Move deps from _workspace/ to vendor/

godep restore
pushd $GOPATH/src/github.com/appc/spec
git co master
popd
go get go4.org/errorutil
rm -rf Godeps
godep save ./...
git add vendor
git add -f $(git ls-files --other vendor/)
git co -- Godeps/LICENSES Godeps/.license_file_state Godeps/OWNERS
This commit is contained in:
Tim Hockin
2016-05-08 20:30:21 -07:00
parent 899f9b4e31
commit 3c0c5ed4e0
4400 changed files with 16739 additions and 376 deletions

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language: go

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Apache License
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# BTree implementation for Go
![Travis CI Build Status](https://api.travis-ci.org/google/btree.svg?branch=master)
This package provides an in-memory B-Tree implementation for Go, useful as a
an ordered, mutable data structure.
The API is based off of the wonderful
http://godoc.org/github.com/petar/GoLLRB/llrb, and is meant to allow btree to
act as a drop-in replacement for gollrb trees.
See http://godoc.org/github.com/google/btree for documentation.

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// Copyright 2014 Google Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// Package btree implements in-memory B-Trees of arbitrary degree.
//
// btree implements an in-memory B-Tree for use as an ordered data structure.
// It is not meant for persistent storage solutions.
//
// It has a flatter structure than an equivalent red-black or other binary tree,
// which in some cases yields better memory usage and/or performance.
// See some discussion on the matter here:
// http://google-opensource.blogspot.com/2013/01/c-containers-that-save-memory-and-time.html
// Note, though, that this project is in no way related to the C++ B-Tree
// implmentation written about there.
//
// Within this tree, each node contains a slice of items and a (possibly nil)
// slice of children. For basic numeric values or raw structs, this can cause
// efficiency differences when compared to equivalent C++ template code that
// stores values in arrays within the node:
// * Due to the overhead of storing values as interfaces (each
// value needs to be stored as the value itself, then 2 words for the
// interface pointing to that value and its type), resulting in higher
// memory use.
// * Since interfaces can point to values anywhere in memory, values are
// most likely not stored in contiguous blocks, resulting in a higher
// number of cache misses.
// These issues don't tend to matter, though, when working with strings or other
// heap-allocated structures, since C++-equivalent structures also must store
// pointers and also distribute their values across the heap.
//
// This implementation is designed to be a drop-in replacement to gollrb.LLRB
// trees, (http://github.com/petar/gollrb), an excellent and probably the most
// widely used ordered tree implementation in the Go ecosystem currently.
// Its functions, therefore, exactly mirror those of
// llrb.LLRB where possible. Unlike gollrb, though, we currently don't
// support storing multiple equivalent values or backwards iteration.
package btree
import (
"fmt"
"io"
"sort"
"strings"
)
// Item represents a single object in the tree.
type Item interface {
// Less tests whether the current item is less than the given argument.
//
// This must provide a strict weak ordering.
// If !a.Less(b) && !b.Less(a), we treat this to mean a == b (i.e. we can only
// hold one of either a or b in the tree).
Less(than Item) bool
}
// ItemIterator allows callers of Ascend* to iterate in-order over portions of
// the tree. When this function returns false, iteration will stop and the
// associated Ascend* function will immediately return.
type ItemIterator func(i Item) bool
// New creates a new B-Tree with the given degree.
//
// New(2), for example, will create a 2-3-4 tree (each node contains 1-3 items
// and 2-4 children).
func New(degree int) *BTree {
if degree <= 1 {
panic("bad degree")
}
return &BTree{
degree: degree,
freelist: make([]*node, 0, 32),
}
}
// items stores items in a node.
type items []Item
// insertAt inserts a value into the given index, pushing all subsequent values
// forward.
func (s *items) insertAt(index int, item Item) {
*s = append(*s, nil)
if index < len(*s) {
copy((*s)[index+1:], (*s)[index:])
}
(*s)[index] = item
}
// removeAt removes a value at a given index, pulling all subsequent values
// back.
func (s *items) removeAt(index int) Item {
item := (*s)[index]
copy((*s)[index:], (*s)[index+1:])
*s = (*s)[:len(*s)-1]
return item
}
// pop removes and returns the last element in the list.
func (s *items) pop() (out Item) {
index := len(*s) - 1
out, *s = (*s)[index], (*s)[:index]
return
}
// find returns the index where the given item should be inserted into this
// list. 'found' is true if the item already exists in the list at the given
// index.
func (s items) find(item Item) (index int, found bool) {
i := sort.Search(len(s), func(i int) bool {
return item.Less(s[i])
})
if i > 0 && !s[i-1].Less(item) {
return i - 1, true
}
return i, false
}
// children stores child nodes in a node.
type children []*node
// insertAt inserts a value into the given index, pushing all subsequent values
// forward.
func (s *children) insertAt(index int, n *node) {
*s = append(*s, nil)
if index < len(*s) {
copy((*s)[index+1:], (*s)[index:])
}
(*s)[index] = n
}
// removeAt removes a value at a given index, pulling all subsequent values
// back.
func (s *children) removeAt(index int) *node {
n := (*s)[index]
copy((*s)[index:], (*s)[index+1:])
*s = (*s)[:len(*s)-1]
return n
}
// pop removes and returns the last element in the list.
func (s *children) pop() (out *node) {
index := len(*s) - 1
out, *s = (*s)[index], (*s)[:index]
return
}
// node is an internal node in a tree.
//
// It must at all times maintain the invariant that either
// * len(children) == 0, len(items) unconstrained
// * len(children) == len(items) + 1
type node struct {
items items
children children
t *BTree
}
// split splits the given node at the given index. The current node shrinks,
// and this function returns the item that existed at that index and a new node
// containing all items/children after it.
func (n *node) split(i int) (Item, *node) {
item := n.items[i]
next := n.t.newNode()
next.items = append(next.items, n.items[i+1:]...)
n.items = n.items[:i]
if len(n.children) > 0 {
next.children = append(next.children, n.children[i+1:]...)
n.children = n.children[:i+1]
}
return item, next
}
// maybeSplitChild checks if a child should be split, and if so splits it.
// Returns whether or not a split occurred.
func (n *node) maybeSplitChild(i, maxItems int) bool {
if len(n.children[i].items) < maxItems {
return false
}
first := n.children[i]
item, second := first.split(maxItems / 2)
n.items.insertAt(i, item)
n.children.insertAt(i+1, second)
return true
}
// insert inserts an item into the subtree rooted at this node, making sure
// no nodes in the subtree exceed maxItems items. Should an equivalent item be
// be found/replaced by insert, it will be returned.
func (n *node) insert(item Item, maxItems int) Item {
i, found := n.items.find(item)
if found {
out := n.items[i]
n.items[i] = item
return out
}
if len(n.children) == 0 {
n.items.insertAt(i, item)
return nil
}
if n.maybeSplitChild(i, maxItems) {
inTree := n.items[i]
switch {
case item.Less(inTree):
// no change, we want first split node
case inTree.Less(item):
i++ // we want second split node
default:
out := n.items[i]
n.items[i] = item
return out
}
}
return n.children[i].insert(item, maxItems)
}
// get finds the given key in the subtree and returns it.
func (n *node) get(key Item) Item {
i, found := n.items.find(key)
if found {
return n.items[i]
} else if len(n.children) > 0 {
return n.children[i].get(key)
}
return nil
}
// toRemove details what item to remove in a node.remove call.
type toRemove int
const (
removeItem toRemove = iota // removes the given item
removeMin // removes smallest item in the subtree
removeMax // removes largest item in the subtree
)
// remove removes an item from the subtree rooted at this node.
func (n *node) remove(item Item, minItems int, typ toRemove) Item {
var i int
var found bool
switch typ {
case removeMax:
if len(n.children) == 0 {
return n.items.pop()
}
i = len(n.items)
case removeMin:
if len(n.children) == 0 {
return n.items.removeAt(0)
}
i = 0
case removeItem:
i, found = n.items.find(item)
if len(n.children) == 0 {
if found {
return n.items.removeAt(i)
}
return nil
}
default:
panic("invalid type")
}
// If we get to here, we have children.
child := n.children[i]
if len(child.items) <= minItems {
return n.growChildAndRemove(i, item, minItems, typ)
}
// Either we had enough items to begin with, or we've done some
// merging/stealing, because we've got enough now and we're ready to return
// stuff.
if found {
// The item exists at index 'i', and the child we've selected can give us a
// predecessor, since if we've gotten here it's got > minItems items in it.
out := n.items[i]
// We use our special-case 'remove' call with typ=maxItem to pull the
// predecessor of item i (the rightmost leaf of our immediate left child)
// and set it into where we pulled the item from.
n.items[i] = child.remove(nil, minItems, removeMax)
return out
}
// Final recursive call. Once we're here, we know that the item isn't in this
// node and that the child is big enough to remove from.
return child.remove(item, minItems, typ)
}
// growChildAndRemove grows child 'i' to make sure it's possible to remove an
// item from it while keeping it at minItems, then calls remove to actually
// remove it.
//
// Most documentation says we have to do two sets of special casing:
// 1) item is in this node
// 2) item is in child
// In both cases, we need to handle the two subcases:
// A) node has enough values that it can spare one
// B) node doesn't have enough values
// For the latter, we have to check:
// a) left sibling has node to spare
// b) right sibling has node to spare
// c) we must merge
// To simplify our code here, we handle cases #1 and #2 the same:
// If a node doesn't have enough items, we make sure it does (using a,b,c).
// We then simply redo our remove call, and the second time (regardless of
// whether we're in case 1 or 2), we'll have enough items and can guarantee
// that we hit case A.
func (n *node) growChildAndRemove(i int, item Item, minItems int, typ toRemove) Item {
child := n.children[i]
if i > 0 && len(n.children[i-1].items) > minItems {
// Steal from left child
stealFrom := n.children[i-1]
stolenItem := stealFrom.items.pop()
child.items.insertAt(0, n.items[i-1])
n.items[i-1] = stolenItem
if len(stealFrom.children) > 0 {
child.children.insertAt(0, stealFrom.children.pop())
}
} else if i < len(n.items) && len(n.children[i+1].items) > minItems {
// steal from right child
stealFrom := n.children[i+1]
stolenItem := stealFrom.items.removeAt(0)
child.items = append(child.items, n.items[i])
n.items[i] = stolenItem
if len(stealFrom.children) > 0 {
child.children = append(child.children, stealFrom.children.removeAt(0))
}
} else {
if i >= len(n.items) {
i--
child = n.children[i]
}
// merge with right child
mergeItem := n.items.removeAt(i)
mergeChild := n.children.removeAt(i + 1)
child.items = append(child.items, mergeItem)
child.items = append(child.items, mergeChild.items...)
child.children = append(child.children, mergeChild.children...)
n.t.freeNode(mergeChild)
}
return n.remove(item, minItems, typ)
}
// iterate provides a simple method for iterating over elements in the tree.
// It could probably use some work to be extra-efficient (it calls from() a
// little more than it should), but it works pretty well for now.
//
// It requires that 'from' and 'to' both return true for values we should hit
// with the iterator. It should also be the case that 'from' returns true for
// values less than or equal to values 'to' returns true for, and 'to'
// returns true for values greater than or equal to those that 'from'
// does.
func (n *node) iterate(from, to func(Item) bool, iter ItemIterator) bool {
for i, item := range n.items {
if !from(item) {
continue
}
if len(n.children) > 0 && !n.children[i].iterate(from, to, iter) {
return false
}
if !to(item) {
return false
}
if !iter(item) {
return false
}
}
if len(n.children) > 0 {
return n.children[len(n.children)-1].iterate(from, to, iter)
}
return true
}
// Used for testing/debugging purposes.
func (n *node) print(w io.Writer, level int) {
fmt.Fprintf(w, "%sNODE:%v\n", strings.Repeat(" ", level), n.items)
for _, c := range n.children {
c.print(w, level+1)
}
}
// BTree is an implementation of a B-Tree.
//
// BTree stores Item instances in an ordered structure, allowing easy insertion,
// removal, and iteration.
//
// Write operations are not safe for concurrent mutation by multiple
// goroutines, but Read operations are.
type BTree struct {
degree int
length int
root *node
freelist []*node
}
// maxItems returns the max number of items to allow per node.
func (t *BTree) maxItems() int {
return t.degree*2 - 1
}
// minItems returns the min number of items to allow per node (ignored for the
// root node).
func (t *BTree) minItems() int {
return t.degree - 1
}
func (t *BTree) newNode() (n *node) {
index := len(t.freelist) - 1
if index < 0 {
return &node{t: t}
}
t.freelist, n = t.freelist[:index], t.freelist[index]
return
}
func (t *BTree) freeNode(n *node) {
if len(t.freelist) < cap(t.freelist) {
for i := range n.items {
n.items[i] = nil // clear to allow GC
}
n.items = n.items[:0]
for i := range n.children {
n.children[i] = nil // clear to allow GC
}
n.children = n.children[:0]
t.freelist = append(t.freelist, n)
}
}
// ReplaceOrInsert adds the given item to the tree. If an item in the tree
// already equals the given one, it is removed from the tree and returned.
// Otherwise, nil is returned.
//
// nil cannot be added to the tree (will panic).
func (t *BTree) ReplaceOrInsert(item Item) Item {
if item == nil {
panic("nil item being added to BTree")
}
if t.root == nil {
t.root = t.newNode()
t.root.items = append(t.root.items, item)
t.length++
return nil
} else if len(t.root.items) >= t.maxItems() {
item2, second := t.root.split(t.maxItems() / 2)
oldroot := t.root
t.root = t.newNode()
t.root.items = append(t.root.items, item2)
t.root.children = append(t.root.children, oldroot, second)
}
out := t.root.insert(item, t.maxItems())
if out == nil {
t.length++
}
return out
}
// Delete removes an item equal to the passed in item from the tree, returning
// it. If no such item exists, returns nil.
func (t *BTree) Delete(item Item) Item {
return t.deleteItem(item, removeItem)
}
// DeleteMin removes the smallest item in the tree and returns it.
// If no such item exists, returns nil.
func (t *BTree) DeleteMin() Item {
return t.deleteItem(nil, removeMin)
}
// DeleteMax removes the largest item in the tree and returns it.
// If no such item exists, returns nil.
func (t *BTree) DeleteMax() Item {
return t.deleteItem(nil, removeMax)
}
func (t *BTree) deleteItem(item Item, typ toRemove) Item {
if t.root == nil || len(t.root.items) == 0 {
return nil
}
out := t.root.remove(item, t.minItems(), typ)
if len(t.root.items) == 0 && len(t.root.children) > 0 {
oldroot := t.root
t.root = t.root.children[0]
t.freeNode(oldroot)
}
if out != nil {
t.length--
}
return out
}
// AscendRange calls the iterator for every value in the tree within the range
// [greaterOrEqual, lessThan), until iterator returns false.
func (t *BTree) AscendRange(greaterOrEqual, lessThan Item, iterator ItemIterator) {
if t.root == nil {
return
}
t.root.iterate(
func(a Item) bool { return !a.Less(greaterOrEqual) },
func(a Item) bool { return a.Less(lessThan) },
iterator)
}
// AscendLessThan calls the iterator for every value in the tree within the range
// [first, pivot), until iterator returns false.
func (t *BTree) AscendLessThan(pivot Item, iterator ItemIterator) {
if t.root == nil {
return
}
t.root.iterate(
func(a Item) bool { return true },
func(a Item) bool { return a.Less(pivot) },
iterator)
}
// AscendGreaterOrEqual calls the iterator for every value in the tree within
// the range [pivot, last], until iterator returns false.
func (t *BTree) AscendGreaterOrEqual(pivot Item, iterator ItemIterator) {
if t.root == nil {
return
}
t.root.iterate(
func(a Item) bool { return !a.Less(pivot) },
func(a Item) bool { return true },
iterator)
}
// Ascend calls the iterator for every value in the tree within the range
// [first, last], until iterator returns false.
func (t *BTree) Ascend(iterator ItemIterator) {
if t.root == nil {
return
}
t.root.iterate(
func(a Item) bool { return true },
func(a Item) bool { return true },
iterator)
}
// Get looks for the key item in the tree, returning it. It returns nil if
// unable to find that item.
func (t *BTree) Get(key Item) Item {
if t.root == nil {
return nil
}
return t.root.get(key)
}
// Has returns true if the given key is in the tree.
func (t *BTree) Has(key Item) bool {
return t.Get(key) != nil
}
// Len returns the number of items currently in the tree.
func (t *BTree) Len() int {
return t.length
}
// Int implements the Item interface for integers.
type Int int
// Less returns true if int(a) < int(b).
func (a Int) Less(b Item) bool {
return a < b.(Int)
}

76
vendor/github.com/google/btree/btree_mem.go generated vendored Normal file
View File

@@ -0,0 +1,76 @@
// Copyright 2014 Google Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// +build ignore
// This binary compares memory usage between btree and gollrb.
package main
import (
"flag"
"fmt"
"math/rand"
"runtime"
"time"
"github.com/google/btree"
"github.com/petar/GoLLRB/llrb"
)
var (
size = flag.Int("size", 1000000, "size of the tree to build")
degree = flag.Int("degree", 8, "degree of btree")
gollrb = flag.Bool("llrb", false, "use llrb instead of btree")
)
func main() {
flag.Parse()
vals := rand.Perm(*size)
var t, v interface{}
v = vals
var stats runtime.MemStats
for i := 0; i < 10; i++ {
runtime.GC()
}
fmt.Println("-------- BEFORE ----------")
runtime.ReadMemStats(&stats)
fmt.Printf("%+v\n", stats)
start := time.Now()
if *gollrb {
tr := llrb.New()
for _, v := range vals {
tr.ReplaceOrInsert(llrb.Int(v))
}
t = tr // keep it around
} else {
tr := btree.New(*degree)
for _, v := range vals {
tr.ReplaceOrInsert(btree.Int(v))
}
t = tr // keep it around
}
fmt.Printf("%v inserts in %v\n", *size, time.Since(start))
fmt.Println("-------- AFTER ----------")
runtime.ReadMemStats(&stats)
fmt.Printf("%+v\n", stats)
for i := 0; i < 10; i++ {
runtime.GC()
}
fmt.Println("-------- AFTER GC ----------")
runtime.ReadMemStats(&stats)
fmt.Printf("%+v\n", stats)
if t == v {
fmt.Println("to make sure vals and tree aren't GC'd")
}
}

View File

@@ -0,0 +1,201 @@
Apache License
Version 2.0, January 2004
http://www.apache.org/licenses/
TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
1. Definitions.
"License" shall mean the terms and conditions for use, reproduction,
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"You" (or "Your") shall mean an individual or Legal Entity
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"Work" shall mean the work of authorship, whether in Source or
Object form, made available under the License, as indicated by a
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"Derivative Works" shall mean any work, whether in Source or Object
form, that is based on (or derived from) the Work and for which the
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of this License, Derivative Works shall not include works that remain
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"Contribution" shall mean any work of authorship, including
the original version of the Work and any modifications or additions
to that Work or Derivative Works thereof, that is intentionally
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designated in writing by the copyright owner as "Not a Contribution."
"Contributor" shall mean Licensor and any individual or Legal Entity
on behalf of whom a Contribution has been received by Licensor and
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2. Grant of Copyright License. Subject to the terms and conditions of
this License, each Contributor hereby grants to You a perpetual,
worldwide, non-exclusive, no-charge, royalty-free, irrevocable
copyright license to reproduce, prepare Derivative Works of,
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Work and such Derivative Works in Source or Object form.
3. Grant of Patent License. Subject to the terms and conditions of
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(except as stated in this section) patent license to make, have made,
use, offer to sell, sell, import, and otherwise transfer the Work,
where such license applies only to those patent claims licensable
by such Contributor that are necessarily infringed by their
Contribution(s) alone or by combination of their Contribution(s)
with the Work to which such Contribution(s) was submitted. If You
institute patent litigation against any entity (including a
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or a Contribution incorporated within the Work constitutes direct
or contributory patent infringement, then any patent licenses
granted to You under this License for that Work shall terminate
as of the date such litigation is filed.
4. Redistribution. You may reproduce and distribute copies of the
Work or Derivative Works thereof in any medium, with or without
modifications, and in Source or Object form, provided that You
meet the following conditions:
(a) You must give any other recipients of the Work or
Derivative Works a copy of this License; and
(b) You must cause any modified files to carry prominent notices
stating that You changed the files; and
(c) You must retain, in the Source form of any Derivative Works
that You distribute, all copyright, patent, trademark, and
attribution notices from the Source form of the Work,
excluding those notices that do not pertain to any part of
the Derivative Works; and
(d) If the Work includes a "NOTICE" text file as part of its
distribution, then any Derivative Works that You distribute must
include a readable copy of the attribution notices contained
within such NOTICE file, excluding those notices that do not
pertain to any part of the Derivative Works, in at least one
of the following places: within a NOTICE text file distributed
as part of the Derivative Works; within the Source form or
documentation, if provided along with the Derivative Works; or,
within a display generated by the Derivative Works, if and
wherever such third-party notices normally appear. The contents
of the NOTICE file are for informational purposes only and
do not modify the License. You may add Your own attribution
notices within Derivative Works that You distribute, alongside
or as an addendum to the NOTICE text from the Work, provided
that such additional attribution notices cannot be construed
as modifying the License.
You may add Your own copyright statement to Your modifications and
may provide additional or different license terms and conditions
for use, reproduction, or distribution of Your modifications, or
for any such Derivative Works as a whole, provided Your use,
reproduction, and distribution of the Work otherwise complies with
the conditions stated in this License.
5. Submission of Contributions. Unless You explicitly state otherwise,
any Contribution intentionally submitted for inclusion in the Work
by You to the Licensor shall be under the terms and conditions of
this License, without any additional terms or conditions.
Notwithstanding the above, nothing herein shall supersede or modify
the terms of any separate license agreement you may have executed
with Licensor regarding such Contributions.
6. Trademarks. This License does not grant permission to use the trade
names, trademarks, service marks, or product names of the Licensor,
except as required for reasonable and customary use in describing the
origin of the Work and reproducing the content of the NOTICE file.
7. Disclaimer of Warranty. Unless required by applicable law or
agreed to in writing, Licensor provides the Work (and each
Contributor provides its Contributions) on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
implied, including, without limitation, any warranties or conditions
of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A
PARTICULAR PURPOSE. You are solely responsible for determining the
appropriateness of using or redistributing the Work and assume any
risks associated with Your exercise of permissions under this License.
8. Limitation of Liability. In no event and under no legal theory,
whether in tort (including negligence), contract, or otherwise,
unless required by applicable law (such as deliberate and grossly
negligent acts) or agreed to in writing, shall any Contributor be
liable to You for damages, including any direct, indirect, special,
incidental, or consequential damages of any character arising as a
result of this License or out of the use or inability to use the
Work (including but not limited to damages for loss of goodwill,
work stoppage, computer failure or malfunction, or any and all
other commercial damages or losses), even if such Contributor
has been advised of the possibility of such damages.
9. Accepting Warranty or Additional Liability. While redistributing
the Work or Derivative Works thereof, You may choose to offer,
and charge a fee for, acceptance of support, warranty, indemnity,
or other liability obligations and/or rights consistent with this
License. However, in accepting such obligations, You may act only
on Your own behalf and on Your sole responsibility, not on behalf
of any other Contributor, and only if You agree to indemnify,
defend, and hold each Contributor harmless for any liability
incurred by, or claims asserted against, such Contributor by reason
of your accepting any such warranty or additional liability.
END OF TERMS AND CONDITIONS
APPENDIX: How to apply the Apache License to your work.
To apply the Apache License to your work, attach the following
boilerplate notice, with the fields enclosed by brackets "{}"
replaced with your own identifying information. (Don't include
the brackets!) The text should be enclosed in the appropriate
comment syntax for the file format. We also recommend that a
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same "printed page" as the copyright notice for easier
identification within third-party archives.
Copyright 2015 Sean Dolphin
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.

View File

@@ -0,0 +1,21 @@
The MIT License (MIT)
Copyright (c) 2014 Simon Eskildsen
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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The above copyright notice and this permission notice shall be included in
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.

View File

@@ -0,0 +1,178 @@
Apache License
Version 2.0, January 2004
http://www.apache.org/licenses/
TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
1. Definitions.
"License" shall mean the terms and conditions for use, reproduction,
and distribution as defined by Sections 1 through 9 of this document.
"Licensor" shall mean the copyright owner or entity authorized by
the copyright owner that is granting the License.
"Legal Entity" shall mean the union of the acting entity and all
other entities that control, are controlled by, or are under common
control with that entity. For the purposes of this definition,
"control" means (i) the power, direct or indirect, to cause the
direction or management of such entity, whether by contract or
otherwise, or (ii) ownership of fifty percent (50%) or more of the
outstanding shares, or (iii) beneficial ownership of such entity.
"You" (or "Your") shall mean an individual or Legal Entity
exercising permissions granted by this License.
"Source" form shall mean the preferred form for making modifications,
including but not limited to software source code, documentation
source, and configuration files.
"Object" form shall mean any form resulting from mechanical
transformation or translation of a Source form, including but
not limited to compiled object code, generated documentation,
and conversions to other media types.
"Work" shall mean the work of authorship, whether in Source or
Object form, made available under the License, as indicated by a
copyright notice that is included in or attached to the work
(an example is provided in the Appendix below).
"Derivative Works" shall mean any work, whether in Source or Object
form, that is based on (or derived from) the Work and for which the
editorial revisions, annotations, elaborations, or other modifications
represent, as a whole, an original work of authorship. For the purposes
of this License, Derivative Works shall not include works that remain
separable from, or merely link (or bind by name) to the interfaces of,
the Work and Derivative Works thereof.
"Contribution" shall mean any work of authorship, including
the original version of the Work and any modifications or additions
to that Work or Derivative Works thereof, that is intentionally
submitted to Licensor for inclusion in the Work by the copyright owner
or by an individual or Legal Entity authorized to submit on behalf of
the copyright owner. For the purposes of this definition, "submitted"
means any form of electronic, verbal, or written communication sent
to the Licensor or its representatives, including but not limited to
communication on electronic mailing lists, source code control systems,
and issue tracking systems that are managed by, or on behalf of, the
Licensor for the purpose of discussing and improving the Work, but
excluding communication that is conspicuously marked or otherwise
designated in writing by the copyright owner as "Not a Contribution."
"Contributor" shall mean Licensor and any individual or Legal Entity
on behalf of whom a Contribution has been received by Licensor and
subsequently incorporated within the Work.
2. Grant of Copyright License. Subject to the terms and conditions of
this License, each Contributor hereby grants to You a perpetual,
worldwide, non-exclusive, no-charge, royalty-free, irrevocable
copyright license to reproduce, prepare Derivative Works of,
publicly display, publicly perform, sublicense, and distribute the
Work and such Derivative Works in Source or Object form.
3. Grant of Patent License. Subject to the terms and conditions of
this License, each Contributor hereby grants to You a perpetual,
worldwide, non-exclusive, no-charge, royalty-free, irrevocable
(except as stated in this section) patent license to make, have made,
use, offer to sell, sell, import, and otherwise transfer the Work,
where such license applies only to those patent claims licensable
by such Contributor that are necessarily infringed by their
Contribution(s) alone or by combination of their Contribution(s)
with the Work to which such Contribution(s) was submitted. If You
institute patent litigation against any entity (including a
cross-claim or counterclaim in a lawsuit) alleging that the Work
or a Contribution incorporated within the Work constitutes direct
or contributory patent infringement, then any patent licenses
granted to You under this License for that Work shall terminate
as of the date such litigation is filed.
4. Redistribution. You may reproduce and distribute copies of the
Work or Derivative Works thereof in any medium, with or without
modifications, and in Source or Object form, provided that You
meet the following conditions:
(a) You must give any other recipients of the Work or
Derivative Works a copy of this License; and
(b) You must cause any modified files to carry prominent notices
stating that You changed the files; and
(c) You must retain, in the Source form of any Derivative Works
that You distribute, all copyright, patent, trademark, and
attribution notices from the Source form of the Work,
excluding those notices that do not pertain to any part of
the Derivative Works; and
(d) If the Work includes a "NOTICE" text file as part of its
distribution, then any Derivative Works that You distribute must
include a readable copy of the attribution notices contained
within such NOTICE file, excluding those notices that do not
pertain to any part of the Derivative Works, in at least one
of the following places: within a NOTICE text file distributed
as part of the Derivative Works; within the Source form or
documentation, if provided along with the Derivative Works; or,
within a display generated by the Derivative Works, if and
wherever such third-party notices normally appear. The contents
of the NOTICE file are for informational purposes only and
do not modify the License. You may add Your own attribution
notices within Derivative Works that You distribute, alongside
or as an addendum to the NOTICE text from the Work, provided
that such additional attribution notices cannot be construed
as modifying the License.
You may add Your own copyright statement to Your modifications and
may provide additional or different license terms and conditions
for use, reproduction, or distribution of Your modifications, or
for any such Derivative Works as a whole, provided Your use,
reproduction, and distribution of the Work otherwise complies with
the conditions stated in this License.
5. Submission of Contributions. Unless You explicitly state otherwise,
any Contribution intentionally submitted for inclusion in the Work
by You to the Licensor shall be under the terms and conditions of
this License, without any additional terms or conditions.
Notwithstanding the above, nothing herein shall supersede or modify
the terms of any separate license agreement you may have executed
with Licensor regarding such Contributions.
6. Trademarks. This License does not grant permission to use the trade
names, trademarks, service marks, or product names of the Licensor,
except as required for reasonable and customary use in describing the
origin of the Work and reproducing the content of the NOTICE file.
7. Disclaimer of Warranty. Unless required by applicable law or
agreed to in writing, Licensor provides the Work (and each
Contributor provides its Contributions) on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
implied, including, without limitation, any warranties or conditions
of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A
PARTICULAR PURPOSE. You are solely responsible for determining the
appropriateness of using or redistributing the Work and assume any
risks associated with Your exercise of permissions under this License.
8. Limitation of Liability. In no event and under no legal theory,
whether in tort (including negligence), contract, or otherwise,
unless required by applicable law (such as deliberate and grossly
negligent acts) or agreed to in writing, shall any Contributor be
liable to You for damages, including any direct, indirect, special,
incidental, or consequential damages of any character arising as a
result of this License or out of the use or inability to use the
Work (including but not limited to damages for loss of goodwill,
work stoppage, computer failure or malfunction, or any and all
other commercial damages or losses), even if such Contributor
has been advised of the possibility of such damages.
9. Accepting Warranty or Additional Liability. While redistributing
the Work or Derivative Works thereof, You may choose to offer,
and charge a fee for, acceptance of support, warranty, indemnity,
or other liability obligations and/or rights consistent with this
License. However, in accepting such obligations, You may act only
on Your own behalf and on Your sole responsibility, not on behalf
of any other Contributor, and only if You agree to indemnify,
defend, and hold each Contributor harmless for any liability
incurred by, or claims asserted against, such Contributor by reason
of your accepting any such warranty or additional liability.
END OF TERMS AND CONDITIONS

View File

@@ -0,0 +1,202 @@
Apache License
Version 2.0, January 2004
http://www.apache.org/licenses/
TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
1. Definitions.
"License" shall mean the terms and conditions for use, reproduction,
and distribution as defined by Sections 1 through 9 of this document.
"Licensor" shall mean the copyright owner or entity authorized by
the copyright owner that is granting the License.
"Legal Entity" shall mean the union of the acting entity and all
other entities that control, are controlled by, or are under common
control with that entity. For the purposes of this definition,
"control" means (i) the power, direct or indirect, to cause the
direction or management of such entity, whether by contract or
otherwise, or (ii) ownership of fifty percent (50%) or more of the
outstanding shares, or (iii) beneficial ownership of such entity.
"You" (or "Your") shall mean an individual or Legal Entity
exercising permissions granted by this License.
"Source" form shall mean the preferred form for making modifications,
including but not limited to software source code, documentation
source, and configuration files.
"Object" form shall mean any form resulting from mechanical
transformation or translation of a Source form, including but
not limited to compiled object code, generated documentation,
and conversions to other media types.
"Work" shall mean the work of authorship, whether in Source or
Object form, made available under the License, as indicated by a
copyright notice that is included in or attached to the work
(an example is provided in the Appendix below).
"Derivative Works" shall mean any work, whether in Source or Object
form, that is based on (or derived from) the Work and for which the
editorial revisions, annotations, elaborations, or other modifications
represent, as a whole, an original work of authorship. For the purposes
of this License, Derivative Works shall not include works that remain
separable from, or merely link (or bind by name) to the interfaces of,
the Work and Derivative Works thereof.
"Contribution" shall mean any work of authorship, including
the original version of the Work and any modifications or additions
to that Work or Derivative Works thereof, that is intentionally
submitted to Licensor for inclusion in the Work by the copyright owner
or by an individual or Legal Entity authorized to submit on behalf of
the copyright owner. For the purposes of this definition, "submitted"
means any form of electronic, verbal, or written communication sent
to the Licensor or its representatives, including but not limited to
communication on electronic mailing lists, source code control systems,
and issue tracking systems that are managed by, or on behalf of, the
Licensor for the purpose of discussing and improving the Work, but
excluding communication that is conspicuously marked or otherwise
designated in writing by the copyright owner as "Not a Contribution."
"Contributor" shall mean Licensor and any individual or Legal Entity
on behalf of whom a Contribution has been received by Licensor and
subsequently incorporated within the Work.
2. Grant of Copyright License. Subject to the terms and conditions of
this License, each Contributor hereby grants to You a perpetual,
worldwide, non-exclusive, no-charge, royalty-free, irrevocable
copyright license to reproduce, prepare Derivative Works of,
publicly display, publicly perform, sublicense, and distribute the
Work and such Derivative Works in Source or Object form.
3. Grant of Patent License. Subject to the terms and conditions of
this License, each Contributor hereby grants to You a perpetual,
worldwide, non-exclusive, no-charge, royalty-free, irrevocable
(except as stated in this section) patent license to make, have made,
use, offer to sell, sell, import, and otherwise transfer the Work,
where such license applies only to those patent claims licensable
by such Contributor that are necessarily infringed by their
Contribution(s) alone or by combination of their Contribution(s)
with the Work to which such Contribution(s) was submitted. If You
institute patent litigation against any entity (including a
cross-claim or counterclaim in a lawsuit) alleging that the Work
or a Contribution incorporated within the Work constitutes direct
or contributory patent infringement, then any patent licenses
granted to You under this License for that Work shall terminate
as of the date such litigation is filed.
4. Redistribution. You may reproduce and distribute copies of the
Work or Derivative Works thereof in any medium, with or without
modifications, and in Source or Object form, provided that You
meet the following conditions:
(a) You must give any other recipients of the Work or
Derivative Works a copy of this License; and
(b) You must cause any modified files to carry prominent notices
stating that You changed the files; and
(c) You must retain, in the Source form of any Derivative Works
that You distribute, all copyright, patent, trademark, and
attribution notices from the Source form of the Work,
excluding those notices that do not pertain to any part of
the Derivative Works; and
(d) If the Work includes a "NOTICE" text file as part of its
distribution, then any Derivative Works that You distribute must
include a readable copy of the attribution notices contained
within such NOTICE file, excluding those notices that do not
pertain to any part of the Derivative Works, in at least one
of the following places: within a NOTICE text file distributed
as part of the Derivative Works; within the Source form or
documentation, if provided along with the Derivative Works; or,
within a display generated by the Derivative Works, if and
wherever such third-party notices normally appear. The contents
of the NOTICE file are for informational purposes only and
do not modify the License. You may add Your own attribution
notices within Derivative Works that You distribute, alongside
or as an addendum to the NOTICE text from the Work, provided
that such additional attribution notices cannot be construed
as modifying the License.
You may add Your own copyright statement to Your modifications and
may provide additional or different license terms and conditions
for use, reproduction, or distribution of Your modifications, or
for any such Derivative Works as a whole, provided Your use,
reproduction, and distribution of the Work otherwise complies with
the conditions stated in this License.
5. Submission of Contributions. Unless You explicitly state otherwise,
any Contribution intentionally submitted for inclusion in the Work
by You to the Licensor shall be under the terms and conditions of
this License, without any additional terms or conditions.
Notwithstanding the above, nothing herein shall supersede or modify
the terms of any separate license agreement you may have executed
with Licensor regarding such Contributions.
6. Trademarks. This License does not grant permission to use the trade
names, trademarks, service marks, or product names of the Licensor,
except as required for reasonable and customary use in describing the
origin of the Work and reproducing the content of the NOTICE file.
7. Disclaimer of Warranty. Unless required by applicable law or
agreed to in writing, Licensor provides the Work (and each
Contributor provides its Contributions) on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
implied, including, without limitation, any warranties or conditions
of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A
PARTICULAR PURPOSE. You are solely responsible for determining the
appropriateness of using or redistributing the Work and assume any
risks associated with Your exercise of permissions under this License.
8. Limitation of Liability. In no event and under no legal theory,
whether in tort (including negligence), contract, or otherwise,
unless required by applicable law (such as deliberate and grossly
negligent acts) or agreed to in writing, shall any Contributor be
liable to You for damages, including any direct, indirect, special,
incidental, or consequential damages of any character arising as a
result of this License or out of the use or inability to use the
Work (including but not limited to damages for loss of goodwill,
work stoppage, computer failure or malfunction, or any and all
other commercial damages or losses), even if such Contributor
has been advised of the possibility of such damages.
9. Accepting Warranty or Additional Liability. While redistributing
the Work or Derivative Works thereof, You may choose to offer,
and charge a fee for, acceptance of support, warranty, indemnity,
or other liability obligations and/or rights consistent with this
License. However, in accepting such obligations, You may act only
on Your own behalf and on Your sole responsibility, not on behalf
of any other Contributor, and only if You agree to indemnify,
defend, and hold each Contributor harmless for any liability
incurred by, or claims asserted against, such Contributor by reason
of your accepting any such warranty or additional liability.
END OF TERMS AND CONDITIONS
APPENDIX: How to apply the Apache License to your work.
To apply the Apache License to your work, attach the following
boilerplate notice, with the fields enclosed by brackets "[]"
replaced with your own identifying information. (Don't include
the brackets!) The text should be enclosed in the appropriate
comment syntax for the file format. We also recommend that a
file or class name and description of purpose be included on the
same "printed page" as the copyright notice for easier
identification within third-party archives.
Copyright [yyyy] [name of copyright owner]
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.

View File

@@ -0,0 +1,3 @@
AWS SDK for Go
Copyright 2015 Amazon.com, Inc. or its affiliates. All Rights Reserved.
Copyright 2014-2015 Stripe, Inc.

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@@ -0,0 +1,191 @@
Apache License
Version 2.0, January 2004
http://www.apache.org/licenses/
TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
1. Definitions.
"License" shall mean the terms and conditions for use, reproduction, and
distribution as defined by Sections 1 through 9 of this document.
"Licensor" shall mean the copyright owner or entity authorized by the copyright
owner that is granting the License.
"Legal Entity" shall mean the union of the acting entity and all other entities
that control, are controlled by, or are under common control with that entity.
For the purposes of this definition, "control" means (i) the power, direct or
indirect, to cause the direction or management of such entity, whether by
contract or otherwise, or (ii) ownership of fifty percent (50%) or more of the
outstanding shares, or (iii) beneficial ownership of such entity.
"You" (or "Your") shall mean an individual or Legal Entity exercising
permissions granted by this License.
"Source" form shall mean the preferred form for making modifications, including
but not limited to software source code, documentation source, and configuration
files.
"Object" form shall mean any form resulting from mechanical transformation or
translation of a Source form, including but not limited to compiled object code,
generated documentation, and conversions to other media types.
"Work" shall mean the work of authorship, whether in Source or Object form, made
available under the License, as indicated by a copyright notice that is included
in or attached to the work (an example is provided in the Appendix below).
"Derivative Works" shall mean any work, whether in Source or Object form, that
is based on (or derived from) the Work and for which the editorial revisions,
annotations, elaborations, or other modifications represent, as a whole, an
original work of authorship. For the purposes of this License, Derivative Works
shall not include works that remain separable from, or merely link (or bind by
name) to the interfaces of, the Work and Derivative Works thereof.
"Contribution" shall mean any work of authorship, including the original version
of the Work and any modifications or additions to that Work or Derivative Works
thereof, that is intentionally submitted to Licensor for inclusion in the Work
by the copyright owner or by an individual or Legal Entity authorized to submit
on behalf of the copyright owner. For the purposes of this definition,
"submitted" means any form of electronic, verbal, or written communication sent
to the Licensor or its representatives, including but not limited to
communication on electronic mailing lists, source code control systems, and
issue tracking systems that are managed by, or on behalf of, the Licensor for
the purpose of discussing and improving the Work, but excluding communication
that is conspicuously marked or otherwise designated in writing by the copyright
owner as "Not a Contribution."
"Contributor" shall mean Licensor and any individual or Legal Entity on behalf
of whom a Contribution has been received by Licensor and subsequently
incorporated within the Work.
2. Grant of Copyright License.
Subject to the terms and conditions of this License, each Contributor hereby
grants to You a perpetual, worldwide, non-exclusive, no-charge, royalty-free,
irrevocable copyright license to reproduce, prepare Derivative Works of,
publicly display, publicly perform, sublicense, and distribute the Work and such
Derivative Works in Source or Object form.
3. Grant of Patent License.
Subject to the terms and conditions of this License, each Contributor hereby
grants to You a perpetual, worldwide, non-exclusive, no-charge, royalty-free,
irrevocable (except as stated in this section) patent license to make, have
made, use, offer to sell, sell, import, and otherwise transfer the Work, where
such license applies only to those patent claims licensable by such Contributor
that are necessarily infringed by their Contribution(s) alone or by combination
of their Contribution(s) with the Work to which such Contribution(s) was
submitted. If You institute patent litigation against any entity (including a
cross-claim or counterclaim in a lawsuit) alleging that the Work or a
Contribution incorporated within the Work constitutes direct or contributory
patent infringement, then any patent licenses granted to You under this License
for that Work shall terminate as of the date such litigation is filed.
4. Redistribution.
You may reproduce and distribute copies of the Work or Derivative Works thereof
in any medium, with or without modifications, and in Source or Object form,
provided that You meet the following conditions:
You must give any other recipients of the Work or Derivative Works a copy of
this License; and
You must cause any modified files to carry prominent notices stating that You
changed the files; and
You must retain, in the Source form of any Derivative Works that You distribute,
all copyright, patent, trademark, and attribution notices from the Source form
of the Work, excluding those notices that do not pertain to any part of the
Derivative Works; and
If the Work includes a "NOTICE" text file as part of its distribution, then any
Derivative Works that You distribute must include a readable copy of the
attribution notices contained within such NOTICE file, excluding those notices
that do not pertain to any part of the Derivative Works, in at least one of the
following places: within a NOTICE text file distributed as part of the
Derivative Works; within the Source form or documentation, if provided along
with the Derivative Works; or, within a display generated by the Derivative
Works, if and wherever such third-party notices normally appear. The contents of
the NOTICE file are for informational purposes only and do not modify the
License. You may add Your own attribution notices within Derivative Works that
You distribute, alongside or as an addendum to the NOTICE text from the Work,
provided that such additional attribution notices cannot be construed as
modifying the License.
You may add Your own copyright statement to Your modifications and may provide
additional or different license terms and conditions for use, reproduction, or
distribution of Your modifications, or for any such Derivative Works as a whole,
provided Your use, reproduction, and distribution of the Work otherwise complies
with the conditions stated in this License.
5. Submission of Contributions.
Unless You explicitly state otherwise, any Contribution intentionally submitted
for inclusion in the Work by You to the Licensor shall be under the terms and
conditions of this License, without any additional terms or conditions.
Notwithstanding the above, nothing herein shall supersede or modify the terms of
any separate license agreement you may have executed with Licensor regarding
such Contributions.
6. Trademarks.
This License does not grant permission to use the trade names, trademarks,
service marks, or product names of the Licensor, except as required for
reasonable and customary use in describing the origin of the Work and
reproducing the content of the NOTICE file.
7. Disclaimer of Warranty.
Unless required by applicable law or agreed to in writing, Licensor provides the
Work (and each Contributor provides its Contributions) on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied,
including, without limitation, any warranties or conditions of TITLE,
NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A PARTICULAR PURPOSE. You are
solely responsible for determining the appropriateness of using or
redistributing the Work and assume any risks associated with Your exercise of
permissions under this License.
8. Limitation of Liability.
In no event and under no legal theory, whether in tort (including negligence),
contract, or otherwise, unless required by applicable law (such as deliberate
and grossly negligent acts) or agreed to in writing, shall any Contributor be
liable to You for damages, including any direct, indirect, special, incidental,
or consequential damages of any character arising as a result of this License or
out of the use or inability to use the Work (including but not limited to
damages for loss of goodwill, work stoppage, computer failure or malfunction, or
any and all other commercial damages or losses), even if such Contributor has
been advised of the possibility of such damages.
9. Accepting Warranty or Additional Liability.
While redistributing the Work or Derivative Works thereof, You may choose to
offer, and charge a fee for, acceptance of support, warranty, indemnity, or
other liability obligations and/or rights consistent with this License. However,
in accepting such obligations, You may act only on Your own behalf and on Your
sole responsibility, not on behalf of any other Contributor, and only if You
agree to indemnify, defend, and hold each Contributor harmless for any liability
incurred by, or claims asserted against, such Contributor by reason of your
accepting any such warranty or additional liability.
END OF TERMS AND CONDITIONS
APPENDIX: How to apply the Apache License to your work
To apply the Apache License to your work, attach the following boilerplate
notice, with the fields enclosed by brackets "[]" replaced with your own
identifying information. (Don't include the brackets!) The text should be
enclosed in the appropriate comment syntax for the file format. We also
recommend that a file or class name and description of purpose be included on
the same "printed page" as the copyright notice for easier identification within
third-party archives.
Copyright [yyyy] [name of copyright owner]
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.

View File

@@ -0,0 +1,201 @@
Apache License
Version 2.0, January 2004
http://www.apache.org/licenses/
TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
1. Definitions.
"License" shall mean the terms and conditions for use, reproduction,
and distribution as defined by Sections 1 through 9 of this document.
"Licensor" shall mean the copyright owner or entity authorized by
the copyright owner that is granting the License.
"Legal Entity" shall mean the union of the acting entity and all
other entities that control, are controlled by, or are under common
control with that entity. For the purposes of this definition,
"control" means (i) the power, direct or indirect, to cause the
direction or management of such entity, whether by contract or
otherwise, or (ii) ownership of fifty percent (50%) or more of the
outstanding shares, or (iii) beneficial ownership of such entity.
"You" (or "Your") shall mean an individual or Legal Entity
exercising permissions granted by this License.
"Source" form shall mean the preferred form for making modifications,
including but not limited to software source code, documentation
source, and configuration files.
"Object" form shall mean any form resulting from mechanical
transformation or translation of a Source form, including but
not limited to compiled object code, generated documentation,
and conversions to other media types.
"Work" shall mean the work of authorship, whether in Source or
Object form, made available under the License, as indicated by a
copyright notice that is included in or attached to the work
(an example is provided in the Appendix below).
"Derivative Works" shall mean any work, whether in Source or Object
form, that is based on (or derived from) the Work and for which the
editorial revisions, annotations, elaborations, or other modifications
represent, as a whole, an original work of authorship. For the purposes
of this License, Derivative Works shall not include works that remain
separable from, or merely link (or bind by name) to the interfaces of,
the Work and Derivative Works thereof.
"Contribution" shall mean any work of authorship, including
the original version of the Work and any modifications or additions
to that Work or Derivative Works thereof, that is intentionally
submitted to Licensor for inclusion in the Work by the copyright owner
or by an individual or Legal Entity authorized to submit on behalf of
the copyright owner. For the purposes of this definition, "submitted"
means any form of electronic, verbal, or written communication sent
to the Licensor or its representatives, including but not limited to
communication on electronic mailing lists, source code control systems,
and issue tracking systems that are managed by, or on behalf of, the
Licensor for the purpose of discussing and improving the Work, but
excluding communication that is conspicuously marked or otherwise
designated in writing by the copyright owner as "Not a Contribution."
"Contributor" shall mean Licensor and any individual or Legal Entity
on behalf of whom a Contribution has been received by Licensor and
subsequently incorporated within the Work.
2. Grant of Copyright License. Subject to the terms and conditions of
this License, each Contributor hereby grants to You a perpetual,
worldwide, non-exclusive, no-charge, royalty-free, irrevocable
copyright license to reproduce, prepare Derivative Works of,
publicly display, publicly perform, sublicense, and distribute the
Work and such Derivative Works in Source or Object form.
3. Grant of Patent License. Subject to the terms and conditions of
this License, each Contributor hereby grants to You a perpetual,
worldwide, non-exclusive, no-charge, royalty-free, irrevocable
(except as stated in this section) patent license to make, have made,
use, offer to sell, sell, import, and otherwise transfer the Work,
where such license applies only to those patent claims licensable
by such Contributor that are necessarily infringed by their
Contribution(s) alone or by combination of their Contribution(s)
with the Work to which such Contribution(s) was submitted. If You
institute patent litigation against any entity (including a
cross-claim or counterclaim in a lawsuit) alleging that the Work
or a Contribution incorporated within the Work constitutes direct
or contributory patent infringement, then any patent licenses
granted to You under this License for that Work shall terminate
as of the date such litigation is filed.
4. Redistribution. You may reproduce and distribute copies of the
Work or Derivative Works thereof in any medium, with or without
modifications, and in Source or Object form, provided that You
meet the following conditions:
(a) You must give any other recipients of the Work or
Derivative Works a copy of this License; and
(b) You must cause any modified files to carry prominent notices
stating that You changed the files; and
(c) You must retain, in the Source form of any Derivative Works
that You distribute, all copyright, patent, trademark, and
attribution notices from the Source form of the Work,
excluding those notices that do not pertain to any part of
the Derivative Works; and
(d) If the Work includes a "NOTICE" text file as part of its
distribution, then any Derivative Works that You distribute must
include a readable copy of the attribution notices contained
within such NOTICE file, excluding those notices that do not
pertain to any part of the Derivative Works, in at least one
of the following places: within a NOTICE text file distributed
as part of the Derivative Works; within the Source form or
documentation, if provided along with the Derivative Works; or,
within a display generated by the Derivative Works, if and
wherever such third-party notices normally appear. The contents
of the NOTICE file are for informational purposes only and
do not modify the License. You may add Your own attribution
notices within Derivative Works that You distribute, alongside
or as an addendum to the NOTICE text from the Work, provided
that such additional attribution notices cannot be construed
as modifying the License.
You may add Your own copyright statement to Your modifications and
may provide additional or different license terms and conditions
for use, reproduction, or distribution of Your modifications, or
for any such Derivative Works as a whole, provided Your use,
reproduction, and distribution of the Work otherwise complies with
the conditions stated in this License.
5. Submission of Contributions. Unless You explicitly state otherwise,
any Contribution intentionally submitted for inclusion in the Work
by You to the Licensor shall be under the terms and conditions of
this License, without any additional terms or conditions.
Notwithstanding the above, nothing herein shall supersede or modify
the terms of any separate license agreement you may have executed
with Licensor regarding such Contributions.
6. Trademarks. This License does not grant permission to use the trade
names, trademarks, service marks, or product names of the Licensor,
except as required for reasonable and customary use in describing the
origin of the Work and reproducing the content of the NOTICE file.
7. Disclaimer of Warranty. Unless required by applicable law or
agreed to in writing, Licensor provides the Work (and each
Contributor provides its Contributions) on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
implied, including, without limitation, any warranties or conditions
of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A
PARTICULAR PURPOSE. You are solely responsible for determining the
appropriateness of using or redistributing the Work and assume any
risks associated with Your exercise of permissions under this License.
8. Limitation of Liability. In no event and under no legal theory,
whether in tort (including negligence), contract, or otherwise,
unless required by applicable law (such as deliberate and grossly
negligent acts) or agreed to in writing, shall any Contributor be
liable to You for damages, including any direct, indirect, special,
incidental, or consequential damages of any character arising as a
result of this License or out of the use or inability to use the
Work (including but not limited to damages for loss of goodwill,
work stoppage, computer failure or malfunction, or any and all
other commercial damages or losses), even if such Contributor
has been advised of the possibility of such damages.
9. Accepting Warranty or Additional Liability. While redistributing
the Work or Derivative Works thereof, You may choose to offer,
and charge a fee for, acceptance of support, warranty, indemnity,
or other liability obligations and/or rights consistent with this
License. However, in accepting such obligations, You may act only
on Your own behalf and on Your sole responsibility, not on behalf
of any other Contributor, and only if You agree to indemnify,
defend, and hold each Contributor harmless for any liability
incurred by, or claims asserted against, such Contributor by reason
of your accepting any such warranty or additional liability.
END OF TERMS AND CONDITIONS
APPENDIX: How to apply the Apache License to your work.
To apply the Apache License to your work, attach the following
boilerplate notice, with the fields enclosed by brackets "{}"
replaced with your own identifying information. (Don't include
the brackets!) The text should be enclosed in the appropriate
comment syntax for the file format. We also recommend that a
file or class name and description of purpose be included on the
same "printed page" as the copyright notice for easier
identification within third-party archives.
Copyright {yyyy} {name of copyright owner}
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.

View File

@@ -0,0 +1,191 @@
Apache License
Version 2.0, January 2004
https://www.apache.org/licenses/
TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
1. Definitions.
"License" shall mean the terms and conditions for use, reproduction,
and distribution as defined by Sections 1 through 9 of this document.
"Licensor" shall mean the copyright owner or entity authorized by
the copyright owner that is granting the License.
"Legal Entity" shall mean the union of the acting entity and all
other entities that control, are controlled by, or are under common
control with that entity. For the purposes of this definition,
"control" means (i) the power, direct or indirect, to cause the
direction or management of such entity, whether by contract or
otherwise, or (ii) ownership of fifty percent (50%) or more of the
outstanding shares, or (iii) beneficial ownership of such entity.
"You" (or "Your") shall mean an individual or Legal Entity
exercising permissions granted by this License.
"Source" form shall mean the preferred form for making modifications,
including but not limited to software source code, documentation
source, and configuration files.
"Object" form shall mean any form resulting from mechanical
transformation or translation of a Source form, including but
not limited to compiled object code, generated documentation,
and conversions to other media types.
"Work" shall mean the work of authorship, whether in Source or
Object form, made available under the License, as indicated by a
copyright notice that is included in or attached to the work
(an example is provided in the Appendix below).
"Derivative Works" shall mean any work, whether in Source or Object
form, that is based on (or derived from) the Work and for which the
editorial revisions, annotations, elaborations, or other modifications
represent, as a whole, an original work of authorship. For the purposes
of this License, Derivative Works shall not include works that remain
separable from, or merely link (or bind by name) to the interfaces of,
the Work and Derivative Works thereof.
"Contribution" shall mean any work of authorship, including
the original version of the Work and any modifications or additions
to that Work or Derivative Works thereof, that is intentionally
submitted to Licensor for inclusion in the Work by the copyright owner
or by an individual or Legal Entity authorized to submit on behalf of
the copyright owner. For the purposes of this definition, "submitted"
means any form of electronic, verbal, or written communication sent
to the Licensor or its representatives, including but not limited to
communication on electronic mailing lists, source code control systems,
and issue tracking systems that are managed by, or on behalf of, the
Licensor for the purpose of discussing and improving the Work, but
excluding communication that is conspicuously marked or otherwise
designated in writing by the copyright owner as "Not a Contribution."
"Contributor" shall mean Licensor and any individual or Legal Entity
on behalf of whom a Contribution has been received by Licensor and
subsequently incorporated within the Work.
2. Grant of Copyright License. Subject to the terms and conditions of
this License, each Contributor hereby grants to You a perpetual,
worldwide, non-exclusive, no-charge, royalty-free, irrevocable
copyright license to reproduce, prepare Derivative Works of,
publicly display, publicly perform, sublicense, and distribute the
Work and such Derivative Works in Source or Object form.
3. Grant of Patent License. Subject to the terms and conditions of
this License, each Contributor hereby grants to You a perpetual,
worldwide, non-exclusive, no-charge, royalty-free, irrevocable
(except as stated in this section) patent license to make, have made,
use, offer to sell, sell, import, and otherwise transfer the Work,
where such license applies only to those patent claims licensable
by such Contributor that are necessarily infringed by their
Contribution(s) alone or by combination of their Contribution(s)
with the Work to which such Contribution(s) was submitted. If You
institute patent litigation against any entity (including a
cross-claim or counterclaim in a lawsuit) alleging that the Work
or a Contribution incorporated within the Work constitutes direct
or contributory patent infringement, then any patent licenses
granted to You under this License for that Work shall terminate
as of the date such litigation is filed.
4. Redistribution. You may reproduce and distribute copies of the
Work or Derivative Works thereof in any medium, with or without
modifications, and in Source or Object form, provided that You
meet the following conditions:
(a) You must give any other recipients of the Work or
Derivative Works a copy of this License; and
(b) You must cause any modified files to carry prominent notices
stating that You changed the files; and
(c) You must retain, in the Source form of any Derivative Works
that You distribute, all copyright, patent, trademark, and
attribution notices from the Source form of the Work,
excluding those notices that do not pertain to any part of
the Derivative Works; and
(d) If the Work includes a "NOTICE" text file as part of its
distribution, then any Derivative Works that You distribute must
include a readable copy of the attribution notices contained
within such NOTICE file, excluding those notices that do not
pertain to any part of the Derivative Works, in at least one
of the following places: within a NOTICE text file distributed
as part of the Derivative Works; within the Source form or
documentation, if provided along with the Derivative Works; or,
within a display generated by the Derivative Works, if and
wherever such third-party notices normally appear. The contents
of the NOTICE file are for informational purposes only and
do not modify the License. You may add Your own attribution
notices within Derivative Works that You distribute, alongside
or as an addendum to the NOTICE text from the Work, provided
that such additional attribution notices cannot be construed
as modifying the License.
You may add Your own copyright statement to Your modifications and
may provide additional or different license terms and conditions
for use, reproduction, or distribution of Your modifications, or
for any such Derivative Works as a whole, provided Your use,
reproduction, and distribution of the Work otherwise complies with
the conditions stated in this License.
5. Submission of Contributions. Unless You explicitly state otherwise,
any Contribution intentionally submitted for inclusion in the Work
by You to the Licensor shall be under the terms and conditions of
this License, without any additional terms or conditions.
Notwithstanding the above, nothing herein shall supersede or modify
the terms of any separate license agreement you may have executed
with Licensor regarding such Contributions.
6. Trademarks. This License does not grant permission to use the trade
names, trademarks, service marks, or product names of the Licensor,
except as required for reasonable and customary use in describing the
origin of the Work and reproducing the content of the NOTICE file.
7. Disclaimer of Warranty. Unless required by applicable law or
agreed to in writing, Licensor provides the Work (and each
Contributor provides its Contributions) on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
implied, including, without limitation, any warranties or conditions
of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A
PARTICULAR PURPOSE. You are solely responsible for determining the
appropriateness of using or redistributing the Work and assume any
risks associated with Your exercise of permissions under this License.
8. Limitation of Liability. In no event and under no legal theory,
whether in tort (including negligence), contract, or otherwise,
unless required by applicable law (such as deliberate and grossly
negligent acts) or agreed to in writing, shall any Contributor be
liable to You for damages, including any direct, indirect, special,
incidental, or consequential damages of any character arising as a
result of this License or out of the use or inability to use the
Work (including but not limited to damages for loss of goodwill,
work stoppage, computer failure or malfunction, or any and all
other commercial damages or losses), even if such Contributor
has been advised of the possibility of such damages.
9. Accepting Warranty or Additional Liability. While redistributing
the Work or Derivative Works thereof, You may choose to offer,
and charge a fee for, acceptance of support, warranty, indemnity,
or other liability obligations and/or rights consistent with this
License. However, in accepting such obligations, You may act only
on Your own behalf and on Your sole responsibility, not on behalf
of any other Contributor, and only if You agree to indemnify,
defend, and hold each Contributor harmless for any liability
incurred by, or claims asserted against, such Contributor by reason
of your accepting any such warranty or additional liability.
END OF TERMS AND CONDITIONS
Copyright 2013-2015 Docker, Inc.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
https://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.

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@@ -0,0 +1,19 @@
Docker
Copyright 2012-2015 Docker, Inc.
This product includes software developed at Docker, Inc. (https://www.docker.com).
This product contains software (https://github.com/kr/pty) developed
by Keith Rarick, licensed under the MIT License.
The following is courtesy of our legal counsel:
Use and transfer of Docker may be subject to certain restrictions by the
United States and other governments.
It is your responsibility to ensure that your use and/or transfer does not
violate applicable laws.
For more information, please see https://www.bis.doc.gov
See also https://www.apache.org/dev/crypto.html and/or seek legal counsel.

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@@ -0,0 +1,502 @@
GNU LESSER GENERAL PUBLIC LICENSE
Version 2.1, February 1999
Copyright (C) 1991, 1999 Free Software Foundation, Inc.
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
Everyone is permitted to copy and distribute verbatim copies
of this license document, but changing it is not allowed.
[This is the first released version of the Lesser GPL. It also counts
as the successor of the GNU Library Public License, version 2, hence
the version number 2.1.]
Preamble
The licenses for most software are designed to take away your
freedom to share and change it. By contrast, the GNU General Public
Licenses are intended to guarantee your freedom to share and change
free software--to make sure the software is free for all its users.
This license, the Lesser General Public License, applies to some
specially designated software packages--typically libraries--of the
Free Software Foundation and other authors who decide to use it. You
can use it too, but we suggest you first think carefully about whether
this license or the ordinary General Public License is the better
strategy to use in any particular case, based on the explanations below.
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The MIT License (MIT)
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The MIT License (MIT)
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SOFTWARE.

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Copyright (c) 2016, go-dockerclient authors
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright notice,
this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

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The MIT License (MIT)
Copyright (c) 2014 Simon Eskildsen
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
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The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.

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Copyright 2015 Docker, Inc.
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Mozilla Public License, version 2.0
1. Definitions
1.1. "Contributor"
means each individual or legal entity that creates, contributes to the
creation of, or owns Covered Software.
1.2. "Contributor Version"
means the combination of the Contributions of others (if any) used by a
Contributor and that particular Contributor's Contribution.
1.3. "Contribution"
means Covered Software of a particular Contributor.
1.4. "Covered Software"
means Source Code Form to which the initial Contributor has attached the
notice in Exhibit A, the Executable Form of such Source Code Form, and
Modifications of such Source Code Form, in each case including portions
thereof.
1.5. "Incompatible With Secondary Licenses"
means
a. that the initial Contributor has attached the notice described in
Exhibit B to the Covered Software; or
b. that the Covered Software was made available under the terms of
version 1.1 or earlier of the License, but not also under the terms of
a Secondary License.
1.6. "Executable Form"
means any form of the work other than Source Code Form.
1.7. "Larger Work"
means a work that combines Covered Software with other material, in a
separate file or files, that is not Covered Software.
1.8. "License"
means this document.
1.9. "Licensable"
means having the right to grant, to the maximum extent possible, whether
at the time of the initial grant or subsequently, any and all of the
rights conveyed by this License.
1.10. "Modifications"
means any of the following:
a. any file in Source Code Form that results from an addition to,
deletion from, or modification of the contents of Covered Software; or
b. any new file in Source Code Form that contains any Covered Software.
1.11. "Patent Claims" of a Contributor
means any patent claim(s), including without limitation, method,
process, and apparatus claims, in any patent Licensable by such
Contributor that would be infringed, but for the grant of the License,
by the making, using, selling, offering for sale, having made, import,
or transfer of either its Contributions or its Contributor Version.
1.12. "Secondary License"
means either the GNU General Public License, Version 2.0, the GNU Lesser
General Public License, Version 2.1, the GNU Affero General Public
License, Version 3.0, or any later versions of those licenses.
1.13. "Source Code Form"
means the form of the work preferred for making modifications.
1.14. "You" (or "Your")
means an individual or a legal entity exercising rights under this
License. For legal entities, "You" includes any entity that controls, is
controlled by, or is under common control with You. For purposes of this
definition, "control" means (a) the power, direct or indirect, to cause
the direction or management of such entity, whether by contract or
otherwise, or (b) ownership of more than fifty percent (50%) of the
outstanding shares or beneficial ownership of such entity.
2. License Grants and Conditions
2.1. Grants
Each Contributor hereby grants You a world-wide, royalty-free,
non-exclusive license:
a. under intellectual property rights (other than patent or trademark)
Licensable by such Contributor to use, reproduce, make available,
modify, display, perform, distribute, and otherwise exploit its
Contributions, either on an unmodified basis, with Modifications, or
as part of a Larger Work; and
b. under Patent Claims of such Contributor to make, use, sell, offer for
sale, have made, import, and otherwise transfer either its
Contributions or its Contributor Version.
2.2. Effective Date
The licenses granted in Section 2.1 with respect to any Contribution
become effective for each Contribution on the date the Contributor first
distributes such Contribution.
2.3. Limitations on Grant Scope
The licenses granted in this Section 2 are the only rights granted under
this License. No additional rights or licenses will be implied from the
distribution or licensing of Covered Software under this License.
Notwithstanding Section 2.1(b) above, no patent license is granted by a
Contributor:
a. for any code that a Contributor has removed from Covered Software; or
b. for infringements caused by: (i) Your and any other third party's
modifications of Covered Software, or (ii) the combination of its
Contributions with other software (except as part of its Contributor
Version); or
c. under Patent Claims infringed by Covered Software in the absence of
its Contributions.
This License does not grant any rights in the trademarks, service marks,
or logos of any Contributor (except as may be necessary to comply with
the notice requirements in Section 3.4).
2.4. Subsequent Licenses
No Contributor makes additional grants as a result of Your choice to
distribute the Covered Software under a subsequent version of this
License (see Section 10.2) or under the terms of a Secondary License (if
permitted under the terms of Section 3.3).
2.5. Representation
Each Contributor represents that the Contributor believes its
Contributions are its original creation(s) or it has sufficient rights to
grant the rights to its Contributions conveyed by this License.
2.6. Fair Use
This License is not intended to limit any rights You have under
applicable copyright doctrines of fair use, fair dealing, or other
equivalents.
2.7. Conditions
Sections 3.1, 3.2, 3.3, and 3.4 are conditions of the licenses granted in
Section 2.1.
3. Responsibilities
3.1. Distribution of Source Form
All distribution of Covered Software in Source Code Form, including any
Modifications that You create or to which You contribute, must be under
the terms of this License. You must inform recipients that the Source
Code Form of the Covered Software is governed by the terms of this
License, and how they can obtain a copy of this License. You may not
attempt to alter or restrict the recipients' rights in the Source Code
Form.
3.2. Distribution of Executable Form
If You distribute Covered Software in Executable Form then:
a. such Covered Software must also be made available in Source Code Form,
as described in Section 3.1, and You must inform recipients of the
Executable Form how they can obtain a copy of such Source Code Form by
reasonable means in a timely manner, at a charge no more than the cost
of distribution to the recipient; and
b. You may distribute such Executable Form under the terms of this
License, or sublicense it under different terms, provided that the
license for the Executable Form does not attempt to limit or alter the
recipients' rights in the Source Code Form under this License.
3.3. Distribution of a Larger Work
You may create and distribute a Larger Work under terms of Your choice,
provided that You also comply with the requirements of this License for
the Covered Software. If the Larger Work is a combination of Covered
Software with a work governed by one or more Secondary Licenses, and the
Covered Software is not Incompatible With Secondary Licenses, this
License permits You to additionally distribute such Covered Software
under the terms of such Secondary License(s), so that the recipient of
the Larger Work may, at their option, further distribute the Covered
Software under the terms of either this License or such Secondary
License(s).
3.4. Notices
You may not remove or alter the substance of any license notices
(including copyright notices, patent notices, disclaimers of warranty, or
limitations of liability) contained within the Source Code Form of the
Covered Software, except that You may alter any license notices to the
extent required to remedy known factual inaccuracies.
3.5. Application of Additional Terms
You may choose to offer, and to charge a fee for, warranty, support,
indemnity or liability obligations to one or more recipients of Covered
Software. However, You may do so only on Your own behalf, and not on
behalf of any Contributor. You must make it absolutely clear that any
such warranty, support, indemnity, or liability obligation is offered by
You alone, and You hereby agree to indemnify every Contributor for any
liability incurred by such Contributor as a result of warranty, support,
indemnity or liability terms You offer. You may include additional
disclaimers of warranty and limitations of liability specific to any
jurisdiction.
4. Inability to Comply Due to Statute or Regulation
If it is impossible for You to comply with any of the terms of this License
with respect to some or all of the Covered Software due to statute,
judicial order, or regulation then You must: (a) comply with the terms of
this License to the maximum extent possible; and (b) describe the
limitations and the code they affect. Such description must be placed in a
text file included with all distributions of the Covered Software under
this License. Except to the extent prohibited by statute or regulation,
such description must be sufficiently detailed for a recipient of ordinary
skill to be able to understand it.
5. Termination
5.1. The rights granted under this License will terminate automatically if You
fail to comply with any of its terms. However, if You become compliant,
then the rights granted under this License from a particular Contributor
are reinstated (a) provisionally, unless and until such Contributor
explicitly and finally terminates Your grants, and (b) on an ongoing
basis, if such Contributor fails to notify You of the non-compliance by
some reasonable means prior to 60 days after You have come back into
compliance. Moreover, Your grants from a particular Contributor are
reinstated on an ongoing basis if such Contributor notifies You of the
non-compliance by some reasonable means, this is the first time You have
received notice of non-compliance with this License from such
Contributor, and You become compliant prior to 30 days after Your receipt
of the notice.
5.2. If You initiate litigation against any entity by asserting a patent
infringement claim (excluding declaratory judgment actions,
counter-claims, and cross-claims) alleging that a Contributor Version
directly or indirectly infringes any patent, then the rights granted to
You by any and all Contributors for the Covered Software under Section
2.1 of this License shall terminate.
5.3. In the event of termination under Sections 5.1 or 5.2 above, all end user
license agreements (excluding distributors and resellers) which have been
validly granted by You or Your distributors under this License prior to
termination shall survive termination.
6. Disclaimer of Warranty
Covered Software is provided under this License on an "as is" basis,
without warranty of any kind, either expressed, implied, or statutory,
including, without limitation, warranties that the Covered Software is free
of defects, merchantable, fit for a particular purpose or non-infringing.
The entire risk as to the quality and performance of the Covered Software
is with You. Should any Covered Software prove defective in any respect,
You (not any Contributor) assume the cost of any necessary servicing,
repair, or correction. This disclaimer of warranty constitutes an essential
part of this License. No use of any Covered Software is authorized under
this License except under this disclaimer.
7. Limitation of Liability
Under no circumstances and under no legal theory, whether tort (including
negligence), contract, or otherwise, shall any Contributor, or anyone who
distributes Covered Software as permitted above, be liable to You for any
direct, indirect, special, incidental, or consequential damages of any
character including, without limitation, damages for lost profits, loss of
goodwill, work stoppage, computer failure or malfunction, or any and all
other commercial damages or losses, even if such party shall have been
informed of the possibility of such damages. This limitation of liability
shall not apply to liability for death or personal injury resulting from
such party's negligence to the extent applicable law prohibits such
limitation. Some jurisdictions do not allow the exclusion or limitation of
incidental or consequential damages, so this exclusion and limitation may
not apply to You.
8. Litigation
Any litigation relating to this License may be brought only in the courts
of a jurisdiction where the defendant maintains its principal place of
business and such litigation shall be governed by laws of that
jurisdiction, without reference to its conflict-of-law provisions. Nothing
in this Section shall prevent a party's ability to bring cross-claims or
counter-claims.
9. Miscellaneous
This License represents the complete agreement concerning the subject
matter hereof. If any provision of this License is held to be
unenforceable, such provision shall be reformed only to the extent
necessary to make it enforceable. Any law or regulation which provides that
the language of a contract shall be construed against the drafter shall not
be used to construe this License against a Contributor.
10. Versions of the License
10.1. New Versions
Mozilla Foundation is the license steward. Except as provided in Section
10.3, no one other than the license steward has the right to modify or
publish new versions of this License. Each version will be given a
distinguishing version number.
10.2. Effect of New Versions
You may distribute the Covered Software under the terms of the version
of the License under which You originally received the Covered Software,
or under the terms of any subsequent version published by the license
steward.
10.3. Modified Versions
If you create software not governed by this License, and you want to
create a new license for such software, you may create and use a
modified version of this License if you rename the license and remove
any references to the name of the license steward (except to note that
such modified license differs from this License).
10.4. Distributing Source Code Form that is Incompatible With Secondary
Licenses If You choose to distribute Source Code Form that is
Incompatible With Secondary Licenses under the terms of this version of
the License, the notice described in Exhibit B of this License must be
attached.
Exhibit A - Source Code Form License Notice
This Source Code Form is subject to the
terms of the Mozilla Public License, v.
2.0. If a copy of the MPL was not
distributed with this file, You can
obtain one at
http://mozilla.org/MPL/2.0/.
If it is not possible or desirable to put the notice in a particular file,
then You may include the notice in a location (such as a LICENSE file in a
relevant directory) where a recipient would be likely to look for such a
notice.
You may add additional accurate notices of copyright ownership.
Exhibit B - "Incompatible With Secondary Licenses" Notice
This Source Code Form is "Incompatible
With Secondary Licenses", as defined by
the Mozilla Public License, v. 2.0.

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@@ -0,0 +1,191 @@
Apache License
Version 2.0, January 2004
http://www.apache.org/licenses/
TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
1. Definitions.
"License" shall mean the terms and conditions for use, reproduction, and
distribution as defined by Sections 1 through 9 of this document.
"Licensor" shall mean the copyright owner or entity authorized by the copyright
owner that is granting the License.
"Legal Entity" shall mean the union of the acting entity and all other entities
that control, are controlled by, or are under common control with that entity.
For the purposes of this definition, "control" means (i) the power, direct or
indirect, to cause the direction or management of such entity, whether by
contract or otherwise, or (ii) ownership of fifty percent (50%) or more of the
outstanding shares, or (iii) beneficial ownership of such entity.
"You" (or "Your") shall mean an individual or Legal Entity exercising
permissions granted by this License.
"Source" form shall mean the preferred form for making modifications, including
but not limited to software source code, documentation source, and configuration
files.
"Object" form shall mean any form resulting from mechanical transformation or
translation of a Source form, including but not limited to compiled object code,
generated documentation, and conversions to other media types.
"Work" shall mean the work of authorship, whether in Source or Object form, made
available under the License, as indicated by a copyright notice that is included
in or attached to the work (an example is provided in the Appendix below).
"Derivative Works" shall mean any work, whether in Source or Object form, that
is based on (or derived from) the Work and for which the editorial revisions,
annotations, elaborations, or other modifications represent, as a whole, an
original work of authorship. For the purposes of this License, Derivative Works
shall not include works that remain separable from, or merely link (or bind by
name) to the interfaces of, the Work and Derivative Works thereof.
"Contribution" shall mean any work of authorship, including the original version
of the Work and any modifications or additions to that Work or Derivative Works
thereof, that is intentionally submitted to Licensor for inclusion in the Work
by the copyright owner or by an individual or Legal Entity authorized to submit
on behalf of the copyright owner. For the purposes of this definition,
"submitted" means any form of electronic, verbal, or written communication sent
to the Licensor or its representatives, including but not limited to
communication on electronic mailing lists, source code control systems, and
issue tracking systems that are managed by, or on behalf of, the Licensor for
the purpose of discussing and improving the Work, but excluding communication
that is conspicuously marked or otherwise designated in writing by the copyright
owner as "Not a Contribution."
"Contributor" shall mean Licensor and any individual or Legal Entity on behalf
of whom a Contribution has been received by Licensor and subsequently
incorporated within the Work.
2. Grant of Copyright License.
Subject to the terms and conditions of this License, each Contributor hereby
grants to You a perpetual, worldwide, non-exclusive, no-charge, royalty-free,
irrevocable copyright license to reproduce, prepare Derivative Works of,
publicly display, publicly perform, sublicense, and distribute the Work and such
Derivative Works in Source or Object form.
3. Grant of Patent License.
Subject to the terms and conditions of this License, each Contributor hereby
grants to You a perpetual, worldwide, non-exclusive, no-charge, royalty-free,
irrevocable (except as stated in this section) patent license to make, have
made, use, offer to sell, sell, import, and otherwise transfer the Work, where
such license applies only to those patent claims licensable by such Contributor
that are necessarily infringed by their Contribution(s) alone or by combination
of their Contribution(s) with the Work to which such Contribution(s) was
submitted. If You institute patent litigation against any entity (including a
cross-claim or counterclaim in a lawsuit) alleging that the Work or a
Contribution incorporated within the Work constitutes direct or contributory
patent infringement, then any patent licenses granted to You under this License
for that Work shall terminate as of the date such litigation is filed.
4. Redistribution.
You may reproduce and distribute copies of the Work or Derivative Works thereof
in any medium, with or without modifications, and in Source or Object form,
provided that You meet the following conditions:
You must give any other recipients of the Work or Derivative Works a copy of
this License; and
You must cause any modified files to carry prominent notices stating that You
changed the files; and
You must retain, in the Source form of any Derivative Works that You distribute,
all copyright, patent, trademark, and attribution notices from the Source form
of the Work, excluding those notices that do not pertain to any part of the
Derivative Works; and
If the Work includes a "NOTICE" text file as part of its distribution, then any
Derivative Works that You distribute must include a readable copy of the
attribution notices contained within such NOTICE file, excluding those notices
that do not pertain to any part of the Derivative Works, in at least one of the
following places: within a NOTICE text file distributed as part of the
Derivative Works; within the Source form or documentation, if provided along
with the Derivative Works; or, within a display generated by the Derivative
Works, if and wherever such third-party notices normally appear. The contents of
the NOTICE file are for informational purposes only and do not modify the
License. You may add Your own attribution notices within Derivative Works that
You distribute, alongside or as an addendum to the NOTICE text from the Work,
provided that such additional attribution notices cannot be construed as
modifying the License.
You may add Your own copyright statement to Your modifications and may provide
additional or different license terms and conditions for use, reproduction, or
distribution of Your modifications, or for any such Derivative Works as a whole,
provided Your use, reproduction, and distribution of the Work otherwise complies
with the conditions stated in this License.
5. Submission of Contributions.
Unless You explicitly state otherwise, any Contribution intentionally submitted
for inclusion in the Work by You to the Licensor shall be under the terms and
conditions of this License, without any additional terms or conditions.
Notwithstanding the above, nothing herein shall supersede or modify the terms of
any separate license agreement you may have executed with Licensor regarding
such Contributions.
6. Trademarks.
This License does not grant permission to use the trade names, trademarks,
service marks, or product names of the Licensor, except as required for
reasonable and customary use in describing the origin of the Work and
reproducing the content of the NOTICE file.
7. Disclaimer of Warranty.
Unless required by applicable law or agreed to in writing, Licensor provides the
Work (and each Contributor provides its Contributions) on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied,
including, without limitation, any warranties or conditions of TITLE,
NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A PARTICULAR PURPOSE. You are
solely responsible for determining the appropriateness of using or
redistributing the Work and assume any risks associated with Your exercise of
permissions under this License.
8. Limitation of Liability.
In no event and under no legal theory, whether in tort (including negligence),
contract, or otherwise, unless required by applicable law (such as deliberate
and grossly negligent acts) or agreed to in writing, shall any Contributor be
liable to You for damages, including any direct, indirect, special, incidental,
or consequential damages of any character arising as a result of this License or
out of the use or inability to use the Work (including but not limited to
damages for loss of goodwill, work stoppage, computer failure or malfunction, or
any and all other commercial damages or losses), even if such Contributor has
been advised of the possibility of such damages.
9. Accepting Warranty or Additional Liability.
While redistributing the Work or Derivative Works thereof, You may choose to
offer, and charge a fee for, acceptance of support, warranty, indemnity, or
other liability obligations and/or rights consistent with this License. However,
in accepting such obligations, You may act only on Your own behalf and on Your
sole responsibility, not on behalf of any other Contributor, and only if You
agree to indemnify, defend, and hold each Contributor harmless for any liability
incurred by, or claims asserted against, such Contributor by reason of your
accepting any such warranty or additional liability.
END OF TERMS AND CONDITIONS
APPENDIX: How to apply the Apache License to your work
To apply the Apache License to your work, attach the following boilerplate
notice, with the fields enclosed by brackets "[]" replaced with your own
identifying information. (Don't include the brackets!) The text should be
enclosed in the appropriate comment syntax for the file format. We also
recommend that a file or class name and description of purpose be included on
the same "printed page" as the copyright notice for easier identification within
third-party archives.
Copyright [yyyy] [name of copyright owner]
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.

View File

@@ -0,0 +1,25 @@
Copyright (c) 2013, Georg Reinke (<guelfey at gmail dot com>), Google
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright notice,
this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

View File

@@ -0,0 +1,191 @@
Apache License
Version 2.0, January 2004
http://www.apache.org/licenses/
TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
1. Definitions.
"License" shall mean the terms and conditions for use, reproduction, and
distribution as defined by Sections 1 through 9 of this document.
"Licensor" shall mean the copyright owner or entity authorized by the copyright
owner that is granting the License.
"Legal Entity" shall mean the union of the acting entity and all other entities
that control, are controlled by, or are under common control with that entity.
For the purposes of this definition, "control" means (i) the power, direct or
indirect, to cause the direction or management of such entity, whether by
contract or otherwise, or (ii) ownership of fifty percent (50%) or more of the
outstanding shares, or (iii) beneficial ownership of such entity.
"You" (or "Your") shall mean an individual or Legal Entity exercising
permissions granted by this License.
"Source" form shall mean the preferred form for making modifications, including
but not limited to software source code, documentation source, and configuration
files.
"Object" form shall mean any form resulting from mechanical transformation or
translation of a Source form, including but not limited to compiled object code,
generated documentation, and conversions to other media types.
"Work" shall mean the work of authorship, whether in Source or Object form, made
available under the License, as indicated by a copyright notice that is included
in or attached to the work (an example is provided in the Appendix below).
"Derivative Works" shall mean any work, whether in Source or Object form, that
is based on (or derived from) the Work and for which the editorial revisions,
annotations, elaborations, or other modifications represent, as a whole, an
original work of authorship. For the purposes of this License, Derivative Works
shall not include works that remain separable from, or merely link (or bind by
name) to the interfaces of, the Work and Derivative Works thereof.
"Contribution" shall mean any work of authorship, including the original version
of the Work and any modifications or additions to that Work or Derivative Works
thereof, that is intentionally submitted to Licensor for inclusion in the Work
by the copyright owner or by an individual or Legal Entity authorized to submit
on behalf of the copyright owner. For the purposes of this definition,
"submitted" means any form of electronic, verbal, or written communication sent
to the Licensor or its representatives, including but not limited to
communication on electronic mailing lists, source code control systems, and
issue tracking systems that are managed by, or on behalf of, the Licensor for
the purpose of discussing and improving the Work, but excluding communication
that is conspicuously marked or otherwise designated in writing by the copyright
owner as "Not a Contribution."
"Contributor" shall mean Licensor and any individual or Legal Entity on behalf
of whom a Contribution has been received by Licensor and subsequently
incorporated within the Work.
2. Grant of Copyright License.
Subject to the terms and conditions of this License, each Contributor hereby
grants to You a perpetual, worldwide, non-exclusive, no-charge, royalty-free,
irrevocable copyright license to reproduce, prepare Derivative Works of,
publicly display, publicly perform, sublicense, and distribute the Work and such
Derivative Works in Source or Object form.
3. Grant of Patent License.
Subject to the terms and conditions of this License, each Contributor hereby
grants to You a perpetual, worldwide, non-exclusive, no-charge, royalty-free,
irrevocable (except as stated in this section) patent license to make, have
made, use, offer to sell, sell, import, and otherwise transfer the Work, where
such license applies only to those patent claims licensable by such Contributor
that are necessarily infringed by their Contribution(s) alone or by combination
of their Contribution(s) with the Work to which such Contribution(s) was
submitted. If You institute patent litigation against any entity (including a
cross-claim or counterclaim in a lawsuit) alleging that the Work or a
Contribution incorporated within the Work constitutes direct or contributory
patent infringement, then any patent licenses granted to You under this License
for that Work shall terminate as of the date such litigation is filed.
4. Redistribution.
You may reproduce and distribute copies of the Work or Derivative Works thereof
in any medium, with or without modifications, and in Source or Object form,
provided that You meet the following conditions:
You must give any other recipients of the Work or Derivative Works a copy of
this License; and
You must cause any modified files to carry prominent notices stating that You
changed the files; and
You must retain, in the Source form of any Derivative Works that You distribute,
all copyright, patent, trademark, and attribution notices from the Source form
of the Work, excluding those notices that do not pertain to any part of the
Derivative Works; and
If the Work includes a "NOTICE" text file as part of its distribution, then any
Derivative Works that You distribute must include a readable copy of the
attribution notices contained within such NOTICE file, excluding those notices
that do not pertain to any part of the Derivative Works, in at least one of the
following places: within a NOTICE text file distributed as part of the
Derivative Works; within the Source form or documentation, if provided along
with the Derivative Works; or, within a display generated by the Derivative
Works, if and wherever such third-party notices normally appear. The contents of
the NOTICE file are for informational purposes only and do not modify the
License. You may add Your own attribution notices within Derivative Works that
You distribute, alongside or as an addendum to the NOTICE text from the Work,
provided that such additional attribution notices cannot be construed as
modifying the License.
You may add Your own copyright statement to Your modifications and may provide
additional or different license terms and conditions for use, reproduction, or
distribution of Your modifications, or for any such Derivative Works as a whole,
provided Your use, reproduction, and distribution of the Work otherwise complies
with the conditions stated in this License.
5. Submission of Contributions.
Unless You explicitly state otherwise, any Contribution intentionally submitted
for inclusion in the Work by You to the Licensor shall be under the terms and
conditions of this License, without any additional terms or conditions.
Notwithstanding the above, nothing herein shall supersede or modify the terms of
any separate license agreement you may have executed with Licensor regarding
such Contributions.
6. Trademarks.
This License does not grant permission to use the trade names, trademarks,
service marks, or product names of the Licensor, except as required for
reasonable and customary use in describing the origin of the Work and
reproducing the content of the NOTICE file.
7. Disclaimer of Warranty.
Unless required by applicable law or agreed to in writing, Licensor provides the
Work (and each Contributor provides its Contributions) on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied,
including, without limitation, any warranties or conditions of TITLE,
NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A PARTICULAR PURPOSE. You are
solely responsible for determining the appropriateness of using or
redistributing the Work and assume any risks associated with Your exercise of
permissions under this License.
8. Limitation of Liability.
In no event and under no legal theory, whether in tort (including negligence),
contract, or otherwise, unless required by applicable law (such as deliberate
and grossly negligent acts) or agreed to in writing, shall any Contributor be
liable to You for damages, including any direct, indirect, special, incidental,
or consequential damages of any character arising as a result of this License or
out of the use or inability to use the Work (including but not limited to
damages for loss of goodwill, work stoppage, computer failure or malfunction, or
any and all other commercial damages or losses), even if such Contributor has
been advised of the possibility of such damages.
9. Accepting Warranty or Additional Liability.
While redistributing the Work or Derivative Works thereof, You may choose to
offer, and charge a fee for, acceptance of support, warranty, indemnity, or
other liability obligations and/or rights consistent with this License. However,
in accepting such obligations, You may act only on Your own behalf and on Your
sole responsibility, not on behalf of any other Contributor, and only if You
agree to indemnify, defend, and hold each Contributor harmless for any liability
incurred by, or claims asserted against, such Contributor by reason of your
accepting any such warranty or additional liability.
END OF TERMS AND CONDITIONS
APPENDIX: How to apply the Apache License to your work
To apply the Apache License to your work, attach the following boilerplate
notice, with the fields enclosed by brackets "[]" replaced with your own
identifying information. (Don't include the brackets!) The text should be
enclosed in the appropriate comment syntax for the file format. We also
recommend that a file or class name and description of purpose be included on
the same "printed page" as the copyright notice for easier identification within
third-party archives.
Copyright [yyyy] [name of copyright owner]
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.

View File

@@ -0,0 +1,31 @@
Go support for Protocol Buffers - Google's data interchange format
Copyright 2010 The Go Authors. All rights reserved.
https://github.com/golang/protobuf
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are
met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the following disclaimer
in the documentation and/or other materials provided with the
distribution.
* Neither the name of Google Inc. nor the names of its
contributors may be used to endorse or promote products derived from
this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

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@@ -0,0 +1,27 @@
Copyright (c) 2011 The Snappy-Go Authors. All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are
met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the following disclaimer
in the documentation and/or other materials provided with the
distribution.
* Neither the name of Google Inc. nor the names of its
contributors may be used to endorse or promote products derived from
this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

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@@ -0,0 +1,20 @@
The MIT License (MIT)
Copyright (c) 2013-2015 Errplane Inc.
Permission is hereby granted, free of charge, to any person obtaining a copy of
this software and associated documentation files (the "Software"), to deal in
the Software without restriction, including without limitation the rights to
use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
the Software, and to permit persons to whom the Software is furnished to do so,
subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

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@@ -0,0 +1,19 @@
# List
- github.com/gogo/protobuf/proto [BSD LICENSE](https://github.com/gogo/protobuf/blob/master/LICENSE)
- gopkg.in/fatih/pool.v2 [MIT LICENSE](https://github.com/fatih/pool/blob/v2.0.0/LICENSE)
- github.com/BurntSushi/toml [WTFPL LICENSE](https://github.com/BurntSushi/toml/blob/master/COPYING)
- github.com/peterh/liner [MIT LICENSE](https://github.com/peterh/liner/blob/master/COPYING)
- github.com/davecgh/go-spew/spew [ISC LICENSE](https://github.com/davecgh/go-spew/blob/master/LICENSE)
- github.com/hashicorp/raft [MPL LICENSE](https://github.com/hashicorp/raft/blob/master/LICENSE)
- github.com/rakyll/statik/fs [APACHE LICENSE](https://github.com/rakyll/statik/blob/master/LICENSE)
- github.com/kimor79/gollectd [BSD LICENSE](https://github.com/kimor79/gollectd/blob/master/LICENSE)
- github.com/bmizerany/pat [MIT LICENSE](https://github.com/bmizerany/pat#license)
- react 0.13.3 [BSD LICENSE](https://github.com/facebook/react/blob/master/LICENSE)
- bootstrap 3.3.5 [MIT LICENSE](https://github.com/twbs/bootstrap/blob/master/LICENSE)
- jquery 2.1.4 [MIT LICENSE](https://github.com/jquery/jquery/blob/master/LICENSE.txt)
- glyphicons [LICENSE](http://glyphicons.com/license/)
- github.com/golang/snappy [BSD LICENSE](https://github.com/golang/snappy/blob/master/LICENSE)
- github.com/boltdb/bolt [MIT LICENSE](https://github.com/boltdb/bolt/blob/master/LICENSE)
- collectd.org [ISC LICENSE](https://github.com/collectd/go-collectd/blob/master/LICENSE)
- golang.org/x/crypto/* [BSD LICENSE](https://github.com/golang/crypto/blob/master/LICENSE)

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@@ -0,0 +1,13 @@
Copyright 2015 James Saryerwinnie
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.

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@@ -0,0 +1,28 @@
Copyright (c) 2012 The Go Authors. All rights reserved.
Copyright (c) 2015 Klaus Post
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are
met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the following disclaimer
in the documentation and/or other materials provided with the
distribution.
* Neither the name of Google Inc. nor the names of its
contributors may be used to endorse or promote products derived from
this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

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@@ -0,0 +1,21 @@
The MIT License (MIT)
Copyright 2012 Keith Rarick
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.

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@@ -0,0 +1,19 @@
Copyright 2012 Keith Rarick
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.

View File

@@ -0,0 +1,201 @@
Apache License
Version 2.0, January 2004
http://www.apache.org/licenses/
TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
1. Definitions.
"License" shall mean the terms and conditions for use, reproduction,
and distribution as defined by Sections 1 through 9 of this document.
"Licensor" shall mean the copyright owner or entity authorized by
the copyright owner that is granting the License.
"Legal Entity" shall mean the union of the acting entity and all
other entities that control, are controlled by, or are under common
control with that entity. For the purposes of this definition,
"control" means (i) the power, direct or indirect, to cause the
direction or management of such entity, whether by contract or
otherwise, or (ii) ownership of fifty percent (50%) or more of the
outstanding shares, or (iii) beneficial ownership of such entity.
"You" (or "Your") shall mean an individual or Legal Entity
exercising permissions granted by this License.
"Source" form shall mean the preferred form for making modifications,
including but not limited to software source code, documentation
source, and configuration files.
"Object" form shall mean any form resulting from mechanical
transformation or translation of a Source form, including but
not limited to compiled object code, generated documentation,
and conversions to other media types.
"Work" shall mean the work of authorship, whether in Source or
Object form, made available under the License, as indicated by a
copyright notice that is included in or attached to the work
(an example is provided in the Appendix below).
"Derivative Works" shall mean any work, whether in Source or Object
form, that is based on (or derived from) the Work and for which the
editorial revisions, annotations, elaborations, or other modifications
represent, as a whole, an original work of authorship. For the purposes
of this License, Derivative Works shall not include works that remain
separable from, or merely link (or bind by name) to the interfaces of,
the Work and Derivative Works thereof.
"Contribution" shall mean any work of authorship, including
the original version of the Work and any modifications or additions
to that Work or Derivative Works thereof, that is intentionally
submitted to Licensor for inclusion in the Work by the copyright owner
or by an individual or Legal Entity authorized to submit on behalf of
the copyright owner. For the purposes of this definition, "submitted"
means any form of electronic, verbal, or written communication sent
to the Licensor or its representatives, including but not limited to
communication on electronic mailing lists, source code control systems,
and issue tracking systems that are managed by, or on behalf of, the
Licensor for the purpose of discussing and improving the Work, but
excluding communication that is conspicuously marked or otherwise
designated in writing by the copyright owner as "Not a Contribution."
"Contributor" shall mean Licensor and any individual or Legal Entity
on behalf of whom a Contribution has been received by Licensor and
subsequently incorporated within the Work.
2. Grant of Copyright License. Subject to the terms and conditions of
this License, each Contributor hereby grants to You a perpetual,
worldwide, non-exclusive, no-charge, royalty-free, irrevocable
copyright license to reproduce, prepare Derivative Works of,
publicly display, publicly perform, sublicense, and distribute the
Work and such Derivative Works in Source or Object form.
3. Grant of Patent License. Subject to the terms and conditions of
this License, each Contributor hereby grants to You a perpetual,
worldwide, non-exclusive, no-charge, royalty-free, irrevocable
(except as stated in this section) patent license to make, have made,
use, offer to sell, sell, import, and otherwise transfer the Work,
where such license applies only to those patent claims licensable
by such Contributor that are necessarily infringed by their
Contribution(s) alone or by combination of their Contribution(s)
with the Work to which such Contribution(s) was submitted. If You
institute patent litigation against any entity (including a
cross-claim or counterclaim in a lawsuit) alleging that the Work
or a Contribution incorporated within the Work constitutes direct
or contributory patent infringement, then any patent licenses
granted to You under this License for that Work shall terminate
as of the date such litigation is filed.
4. Redistribution. You may reproduce and distribute copies of the
Work or Derivative Works thereof in any medium, with or without
modifications, and in Source or Object form, provided that You
meet the following conditions:
(a) You must give any other recipients of the Work or
Derivative Works a copy of this License; and
(b) You must cause any modified files to carry prominent notices
stating that You changed the files; and
(c) You must retain, in the Source form of any Derivative Works
that You distribute, all copyright, patent, trademark, and
attribution notices from the Source form of the Work,
excluding those notices that do not pertain to any part of
the Derivative Works; and
(d) If the Work includes a "NOTICE" text file as part of its
distribution, then any Derivative Works that You distribute must
include a readable copy of the attribution notices contained
within such NOTICE file, excluding those notices that do not
pertain to any part of the Derivative Works, in at least one
of the following places: within a NOTICE text file distributed
as part of the Derivative Works; within the Source form or
documentation, if provided along with the Derivative Works; or,
within a display generated by the Derivative Works, if and
wherever such third-party notices normally appear. The contents
of the NOTICE file are for informational purposes only and
do not modify the License. You may add Your own attribution
notices within Derivative Works that You distribute, alongside
or as an addendum to the NOTICE text from the Work, provided
that such additional attribution notices cannot be construed
as modifying the License.
You may add Your own copyright statement to Your modifications and
may provide additional or different license terms and conditions
for use, reproduction, or distribution of Your modifications, or
for any such Derivative Works as a whole, provided Your use,
reproduction, and distribution of the Work otherwise complies with
the conditions stated in this License.
5. Submission of Contributions. Unless You explicitly state otherwise,
any Contribution intentionally submitted for inclusion in the Work
by You to the Licensor shall be under the terms and conditions of
this License, without any additional terms or conditions.
Notwithstanding the above, nothing herein shall supersede or modify
the terms of any separate license agreement you may have executed
with Licensor regarding such Contributions.
6. Trademarks. This License does not grant permission to use the trade
names, trademarks, service marks, or product names of the Licensor,
except as required for reasonable and customary use in describing the
origin of the Work and reproducing the content of the NOTICE file.
7. Disclaimer of Warranty. Unless required by applicable law or
agreed to in writing, Licensor provides the Work (and each
Contributor provides its Contributions) on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
implied, including, without limitation, any warranties or conditions
of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A
PARTICULAR PURPOSE. You are solely responsible for determining the
appropriateness of using or redistributing the Work and assume any
risks associated with Your exercise of permissions under this License.
8. Limitation of Liability. In no event and under no legal theory,
whether in tort (including negligence), contract, or otherwise,
unless required by applicable law (such as deliberate and grossly
negligent acts) or agreed to in writing, shall any Contributor be
liable to You for damages, including any direct, indirect, special,
incidental, or consequential damages of any character arising as a
result of this License or out of the use or inability to use the
Work (including but not limited to damages for loss of goodwill,
work stoppage, computer failure or malfunction, or any and all
other commercial damages or losses), even if such Contributor
has been advised of the possibility of such damages.
9. Accepting Warranty or Additional Liability. While redistributing
the Work or Derivative Works thereof, You may choose to offer,
and charge a fee for, acceptance of support, warranty, indemnity,
or other liability obligations and/or rights consistent with this
License. However, in accepting such obligations, You may act only
on Your own behalf and on Your sole responsibility, not on behalf
of any other Contributor, and only if You agree to indemnify,
defend, and hold each Contributor harmless for any liability
incurred by, or claims asserted against, such Contributor by reason
of your accepting any such warranty or additional liability.
END OF TERMS AND CONDITIONS
APPENDIX: How to apply the Apache License to your work.
To apply the Apache License to your work, attach the following
boilerplate notice, with the fields enclosed by brackets "[]"
replaced with your own identifying information. (Don't include
the brackets!) The text should be enclosed in the appropriate
comment syntax for the file format. We also recommend that a
file or class name and description of purpose be included on the
same "printed page" as the copyright notice for easier
identification within third-party archives.
Copyright 2013 Matt T. Proud
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.

View File

@@ -0,0 +1,201 @@
Apache License
Version 2.0, January 2004
http://www.apache.org/licenses/
TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
1. Definitions.
"License" shall mean the terms and conditions for use, reproduction,
and distribution as defined by Sections 1 through 9 of this document.
"Licensor" shall mean the copyright owner or entity authorized by
the copyright owner that is granting the License.
"Legal Entity" shall mean the union of the acting entity and all
other entities that control, are controlled by, or are under common
control with that entity. For the purposes of this definition,
"control" means (i) the power, direct or indirect, to cause the
direction or management of such entity, whether by contract or
otherwise, or (ii) ownership of fifty percent (50%) or more of the
outstanding shares, or (iii) beneficial ownership of such entity.
"You" (or "Your") shall mean an individual or Legal Entity
exercising permissions granted by this License.
"Source" form shall mean the preferred form for making modifications,
including but not limited to software source code, documentation
source, and configuration files.
"Object" form shall mean any form resulting from mechanical
transformation or translation of a Source form, including but
not limited to compiled object code, generated documentation,
and conversions to other media types.
"Work" shall mean the work of authorship, whether in Source or
Object form, made available under the License, as indicated by a
copyright notice that is included in or attached to the work
(an example is provided in the Appendix below).
"Derivative Works" shall mean any work, whether in Source or Object
form, that is based on (or derived from) the Work and for which the
editorial revisions, annotations, elaborations, or other modifications
represent, as a whole, an original work of authorship. For the purposes
of this License, Derivative Works shall not include works that remain
separable from, or merely link (or bind by name) to the interfaces of,
the Work and Derivative Works thereof.
"Contribution" shall mean any work of authorship, including
the original version of the Work and any modifications or additions
to that Work or Derivative Works thereof, that is intentionally
submitted to Licensor for inclusion in the Work by the copyright owner
or by an individual or Legal Entity authorized to submit on behalf of
the copyright owner. For the purposes of this definition, "submitted"
means any form of electronic, verbal, or written communication sent
to the Licensor or its representatives, including but not limited to
communication on electronic mailing lists, source code control systems,
and issue tracking systems that are managed by, or on behalf of, the
Licensor for the purpose of discussing and improving the Work, but
excluding communication that is conspicuously marked or otherwise
designated in writing by the copyright owner as "Not a Contribution."
"Contributor" shall mean Licensor and any individual or Legal Entity
on behalf of whom a Contribution has been received by Licensor and
subsequently incorporated within the Work.
2. Grant of Copyright License. Subject to the terms and conditions of
this License, each Contributor hereby grants to You a perpetual,
worldwide, non-exclusive, no-charge, royalty-free, irrevocable
copyright license to reproduce, prepare Derivative Works of,
publicly display, publicly perform, sublicense, and distribute the
Work and such Derivative Works in Source or Object form.
3. Grant of Patent License. Subject to the terms and conditions of
this License, each Contributor hereby grants to You a perpetual,
worldwide, non-exclusive, no-charge, royalty-free, irrevocable
(except as stated in this section) patent license to make, have made,
use, offer to sell, sell, import, and otherwise transfer the Work,
where such license applies only to those patent claims licensable
by such Contributor that are necessarily infringed by their
Contribution(s) alone or by combination of their Contribution(s)
with the Work to which such Contribution(s) was submitted. If You
institute patent litigation against any entity (including a
cross-claim or counterclaim in a lawsuit) alleging that the Work
or a Contribution incorporated within the Work constitutes direct
or contributory patent infringement, then any patent licenses
granted to You under this License for that Work shall terminate
as of the date such litigation is filed.
4. Redistribution. You may reproduce and distribute copies of the
Work or Derivative Works thereof in any medium, with or without
modifications, and in Source or Object form, provided that You
meet the following conditions:
(a) You must give any other recipients of the Work or
Derivative Works a copy of this License; and
(b) You must cause any modified files to carry prominent notices
stating that You changed the files; and
(c) You must retain, in the Source form of any Derivative Works
that You distribute, all copyright, patent, trademark, and
attribution notices from the Source form of the Work,
excluding those notices that do not pertain to any part of
the Derivative Works; and
(d) If the Work includes a "NOTICE" text file as part of its
distribution, then any Derivative Works that You distribute must
include a readable copy of the attribution notices contained
within such NOTICE file, excluding those notices that do not
pertain to any part of the Derivative Works, in at least one
of the following places: within a NOTICE text file distributed
as part of the Derivative Works; within the Source form or
documentation, if provided along with the Derivative Works; or,
within a display generated by the Derivative Works, if and
wherever such third-party notices normally appear. The contents
of the NOTICE file are for informational purposes only and
do not modify the License. You may add Your own attribution
notices within Derivative Works that You distribute, alongside
or as an addendum to the NOTICE text from the Work, provided
that such additional attribution notices cannot be construed
as modifying the License.
You may add Your own copyright statement to Your modifications and
may provide additional or different license terms and conditions
for use, reproduction, or distribution of Your modifications, or
for any such Derivative Works as a whole, provided Your use,
reproduction, and distribution of the Work otherwise complies with
the conditions stated in this License.
5. Submission of Contributions. Unless You explicitly state otherwise,
any Contribution intentionally submitted for inclusion in the Work
by You to the Licensor shall be under the terms and conditions of
this License, without any additional terms or conditions.
Notwithstanding the above, nothing herein shall supersede or modify
the terms of any separate license agreement you may have executed
with Licensor regarding such Contributions.
6. Trademarks. This License does not grant permission to use the trade
names, trademarks, service marks, or product names of the Licensor,
except as required for reasonable and customary use in describing the
origin of the Work and reproducing the content of the NOTICE file.
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Contributor provides its Contributions) on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A
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whether in tort (including negligence), contract, or otherwise,
unless required by applicable law (such as deliberate and grossly
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incidental, or consequential damages of any character arising as a
result of this License or out of the use or inability to use the
Work (including but not limited to damages for loss of goodwill,
work stoppage, computer failure or malfunction, or any and all
other commercial damages or losses), even if such Contributor
has been advised of the possibility of such damages.
9. Accepting Warranty or Additional Liability. While redistributing
the Work or Derivative Works thereof, You may choose to offer,
and charge a fee for, acceptance of support, warranty, indemnity,
or other liability obligations and/or rights consistent with this
License. However, in accepting such obligations, You may act only
on Your own behalf and on Your sole responsibility, not on behalf
of any other Contributor, and only if You agree to indemnify,
defend, and hold each Contributor harmless for any liability
incurred by, or claims asserted against, such Contributor by reason
of your accepting any such warranty or additional liability.
END OF TERMS AND CONDITIONS
APPENDIX: How to apply the Apache License to your work.
To apply the Apache License to your work, attach the following
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Copyright (c) 2014, OmniTI Computer Consulting, Inc.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
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Unless required by applicable law or agreed to in writing, software
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.

View File

@@ -0,0 +1,191 @@
Apache License
Version 2.0, January 2004
http://www.apache.org/licenses/
TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
1. Definitions.
"License" shall mean the terms and conditions for use, reproduction,
and distribution as defined by Sections 1 through 9 of this document.
"Licensor" shall mean the copyright owner or entity authorized by
the copyright owner that is granting the License.
"Legal Entity" shall mean the union of the acting entity and all
other entities that control, are controlled by, or are under common
control with that entity. For the purposes of this definition,
"control" means (i) the power, direct or indirect, to cause the
direction or management of such entity, whether by contract or
otherwise, or (ii) ownership of fifty percent (50%) or more of the
outstanding shares, or (iii) beneficial ownership of such entity.
"You" (or "Your") shall mean an individual or Legal Entity
exercising permissions granted by this License.
"Source" form shall mean the preferred form for making modifications,
including but not limited to software source code, documentation
source, and configuration files.
"Object" form shall mean any form resulting from mechanical
transformation or translation of a Source form, including but
not limited to compiled object code, generated documentation,
and conversions to other media types.
"Work" shall mean the work of authorship, whether in Source or
Object form, made available under the License, as indicated by a
copyright notice that is included in or attached to the work
(an example is provided in the Appendix below).
"Derivative Works" shall mean any work, whether in Source or Object
form, that is based on (or derived from) the Work and for which the
editorial revisions, annotations, elaborations, or other modifications
represent, as a whole, an original work of authorship. For the purposes
of this License, Derivative Works shall not include works that remain
separable from, or merely link (or bind by name) to the interfaces of,
the Work and Derivative Works thereof.
"Contribution" shall mean any work of authorship, including
the original version of the Work and any modifications or additions
to that Work or Derivative Works thereof, that is intentionally
submitted to Licensor for inclusion in the Work by the copyright owner
or by an individual or Legal Entity authorized to submit on behalf of
the copyright owner. For the purposes of this definition, "submitted"
means any form of electronic, verbal, or written communication sent
to the Licensor or its representatives, including but not limited to
communication on electronic mailing lists, source code control systems,
and issue tracking systems that are managed by, or on behalf of, the
Licensor for the purpose of discussing and improving the Work, but
excluding communication that is conspicuously marked or otherwise
designated in writing by the copyright owner as "Not a Contribution."
"Contributor" shall mean Licensor and any individual or Legal Entity
on behalf of whom a Contribution has been received by Licensor and
subsequently incorporated within the Work.
2. Grant of Copyright License. Subject to the terms and conditions of
this License, each Contributor hereby grants to You a perpetual,
worldwide, non-exclusive, no-charge, royalty-free, irrevocable
copyright license to reproduce, prepare Derivative Works of,
publicly display, publicly perform, sublicense, and distribute the
Work and such Derivative Works in Source or Object form.
3. Grant of Patent License. Subject to the terms and conditions of
this License, each Contributor hereby grants to You a perpetual,
worldwide, non-exclusive, no-charge, royalty-free, irrevocable
(except as stated in this section) patent license to make, have made,
use, offer to sell, sell, import, and otherwise transfer the Work,
where such license applies only to those patent claims licensable
by such Contributor that are necessarily infringed by their
Contribution(s) alone or by combination of their Contribution(s)
with the Work to which such Contribution(s) was submitted. If You
institute patent litigation against any entity (including a
cross-claim or counterclaim in a lawsuit) alleging that the Work
or a Contribution incorporated within the Work constitutes direct
or contributory patent infringement, then any patent licenses
granted to You under this License for that Work shall terminate
as of the date such litigation is filed.
4. Redistribution. You may reproduce and distribute copies of the
Work or Derivative Works thereof in any medium, with or without
modifications, and in Source or Object form, provided that You
meet the following conditions:
(a) You must give any other recipients of the Work or
Derivative Works a copy of this License; and
(b) You must cause any modified files to carry prominent notices
stating that You changed the files; and
(c) You must retain, in the Source form of any Derivative Works
that You distribute, all copyright, patent, trademark, and
attribution notices from the Source form of the Work,
excluding those notices that do not pertain to any part of
the Derivative Works; and
(d) If the Work includes a "NOTICE" text file as part of its
distribution, then any Derivative Works that You distribute must
include a readable copy of the attribution notices contained
within such NOTICE file, excluding those notices that do not
pertain to any part of the Derivative Works, in at least one
of the following places: within a NOTICE text file distributed
as part of the Derivative Works; within the Source form or
documentation, if provided along with the Derivative Works; or,
within a display generated by the Derivative Works, if and
wherever such third-party notices normally appear. The contents
of the NOTICE file are for informational purposes only and
do not modify the License. You may add Your own attribution
notices within Derivative Works that You distribute, alongside
or as an addendum to the NOTICE text from the Work, provided
that such additional attribution notices cannot be construed
as modifying the License.
You may add Your own copyright statement to Your modifications and
may provide additional or different license terms and conditions
for use, reproduction, or distribution of Your modifications, or
for any such Derivative Works as a whole, provided Your use,
reproduction, and distribution of the Work otherwise complies with
the conditions stated in this License.
5. Submission of Contributions. Unless You explicitly state otherwise,
any Contribution intentionally submitted for inclusion in the Work
by You to the Licensor shall be under the terms and conditions of
this License, without any additional terms or conditions.
Notwithstanding the above, nothing herein shall supersede or modify
the terms of any separate license agreement you may have executed
with Licensor regarding such Contributions.
6. Trademarks. This License does not grant permission to use the trade
names, trademarks, service marks, or product names of the Licensor,
except as required for reasonable and customary use in describing the
origin of the Work and reproducing the content of the NOTICE file.
7. Disclaimer of Warranty. Unless required by applicable law or
agreed to in writing, Licensor provides the Work (and each
Contributor provides its Contributions) on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
implied, including, without limitation, any warranties or conditions
of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A
PARTICULAR PURPOSE. You are solely responsible for determining the
appropriateness of using or redistributing the Work and assume any
risks associated with Your exercise of permissions under this License.
8. Limitation of Liability. In no event and under no legal theory,
whether in tort (including negligence), contract, or otherwise,
unless required by applicable law (such as deliberate and grossly
negligent acts) or agreed to in writing, shall any Contributor be
liable to You for damages, including any direct, indirect, special,
incidental, or consequential damages of any character arising as a
result of this License or out of the use or inability to use the
Work (including but not limited to damages for loss of goodwill,
work stoppage, computer failure or malfunction, or any and all
other commercial damages or losses), even if such Contributor
has been advised of the possibility of such damages.
9. Accepting Warranty or Additional Liability. While redistributing
the Work or Derivative Works thereof, You may choose to offer,
and charge a fee for, acceptance of support, warranty, indemnity,
or other liability obligations and/or rights consistent with this
License. However, in accepting such obligations, You may act only
on Your own behalf and on Your sole responsibility, not on behalf
of any other Contributor, and only if You agree to indemnify,
defend, and hold each Contributor harmless for any liability
incurred by, or claims asserted against, such Contributor by reason
of your accepting any such warranty or additional liability.
END OF TERMS AND CONDITIONS
Copyright 2014 Docker, Inc.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.

View File

@@ -0,0 +1,17 @@
runc
Copyright 2012-2015 Docker, Inc.
This product includes software developed at Docker, Inc. (http://www.docker.com).
The following is courtesy of our legal counsel:
Use and transfer of Docker may be subject to certain restrictions by the
United States and other governments.
It is your responsibility to ensure that your use and/or transfer does not
violate applicable laws.
For more information, please see http://www.bis.doc.gov
See also http://www.apache.org/dev/crypto.html and/or seek legal counsel.

View File

@@ -0,0 +1,27 @@
Copyright (c) 2009,2014 Google Inc. All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are
met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the following disclaimer
in the documentation and/or other materials provided with the
distribution.
* Neither the name of Google Inc. nor the names of its
contributors may be used to endorse or promote products derived from
this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

View File

@@ -0,0 +1,201 @@
Apache License
Version 2.0, January 2004
http://www.apache.org/licenses/
TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
1. Definitions.
"License" shall mean the terms and conditions for use, reproduction,
and distribution as defined by Sections 1 through 9 of this document.
"Licensor" shall mean the copyright owner or entity authorized by
the copyright owner that is granting the License.
"Legal Entity" shall mean the union of the acting entity and all
other entities that control, are controlled by, or are under common
control with that entity. For the purposes of this definition,
"control" means (i) the power, direct or indirect, to cause the
direction or management of such entity, whether by contract or
otherwise, or (ii) ownership of fifty percent (50%) or more of the
outstanding shares, or (iii) beneficial ownership of such entity.
"You" (or "Your") shall mean an individual or Legal Entity
exercising permissions granted by this License.
"Source" form shall mean the preferred form for making modifications,
including but not limited to software source code, documentation
source, and configuration files.
"Object" form shall mean any form resulting from mechanical
transformation or translation of a Source form, including but
not limited to compiled object code, generated documentation,
and conversions to other media types.
"Work" shall mean the work of authorship, whether in Source or
Object form, made available under the License, as indicated by a
copyright notice that is included in or attached to the work
(an example is provided in the Appendix below).
"Derivative Works" shall mean any work, whether in Source or Object
form, that is based on (or derived from) the Work and for which the
editorial revisions, annotations, elaborations, or other modifications
represent, as a whole, an original work of authorship. For the purposes
of this License, Derivative Works shall not include works that remain
separable from, or merely link (or bind by name) to the interfaces of,
the Work and Derivative Works thereof.
"Contribution" shall mean any work of authorship, including
the original version of the Work and any modifications or additions
to that Work or Derivative Works thereof, that is intentionally
submitted to Licensor for inclusion in the Work by the copyright owner
or by an individual or Legal Entity authorized to submit on behalf of
the copyright owner. For the purposes of this definition, "submitted"
means any form of electronic, verbal, or written communication sent
to the Licensor or its representatives, including but not limited to
communication on electronic mailing lists, source code control systems,
and issue tracking systems that are managed by, or on behalf of, the
Licensor for the purpose of discussing and improving the Work, but
excluding communication that is conspicuously marked or otherwise
designated in writing by the copyright owner as "Not a Contribution."
"Contributor" shall mean Licensor and any individual or Legal Entity
on behalf of whom a Contribution has been received by Licensor and
subsequently incorporated within the Work.
2. Grant of Copyright License. Subject to the terms and conditions of
this License, each Contributor hereby grants to You a perpetual,
worldwide, non-exclusive, no-charge, royalty-free, irrevocable
copyright license to reproduce, prepare Derivative Works of,
publicly display, publicly perform, sublicense, and distribute the
Work and such Derivative Works in Source or Object form.
3. Grant of Patent License. Subject to the terms and conditions of
this License, each Contributor hereby grants to You a perpetual,
worldwide, non-exclusive, no-charge, royalty-free, irrevocable
(except as stated in this section) patent license to make, have made,
use, offer to sell, sell, import, and otherwise transfer the Work,
where such license applies only to those patent claims licensable
by such Contributor that are necessarily infringed by their
Contribution(s) alone or by combination of their Contribution(s)
with the Work to which such Contribution(s) was submitted. If You
institute patent litigation against any entity (including a
cross-claim or counterclaim in a lawsuit) alleging that the Work
or a Contribution incorporated within the Work constitutes direct
or contributory patent infringement, then any patent licenses
granted to You under this License for that Work shall terminate
as of the date such litigation is filed.
4. Redistribution. You may reproduce and distribute copies of the
Work or Derivative Works thereof in any medium, with or without
modifications, and in Source or Object form, provided that You
meet the following conditions:
(a) You must give any other recipients of the Work or
Derivative Works a copy of this License; and
(b) You must cause any modified files to carry prominent notices
stating that You changed the files; and
(c) You must retain, in the Source form of any Derivative Works
that You distribute, all copyright, patent, trademark, and
attribution notices from the Source form of the Work,
excluding those notices that do not pertain to any part of
the Derivative Works; and
(d) If the Work includes a "NOTICE" text file as part of its
distribution, then any Derivative Works that You distribute must
include a readable copy of the attribution notices contained
within such NOTICE file, excluding those notices that do not
pertain to any part of the Derivative Works, in at least one
of the following places: within a NOTICE text file distributed
as part of the Derivative Works; within the Source form or
documentation, if provided along with the Derivative Works; or,
within a display generated by the Derivative Works, if and
wherever such third-party notices normally appear. The contents
of the NOTICE file are for informational purposes only and
do not modify the License. You may add Your own attribution
notices within Derivative Works that You distribute, alongside
or as an addendum to the NOTICE text from the Work, provided
that such additional attribution notices cannot be construed
as modifying the License.
You may add Your own copyright statement to Your modifications and
may provide additional or different license terms and conditions
for use, reproduction, or distribution of Your modifications, or
for any such Derivative Works as a whole, provided Your use,
reproduction, and distribution of the Work otherwise complies with
the conditions stated in this License.
5. Submission of Contributions. Unless You explicitly state otherwise,
any Contribution intentionally submitted for inclusion in the Work
by You to the Licensor shall be under the terms and conditions of
this License, without any additional terms or conditions.
Notwithstanding the above, nothing herein shall supersede or modify
the terms of any separate license agreement you may have executed
with Licensor regarding such Contributions.
6. Trademarks. This License does not grant permission to use the trade
names, trademarks, service marks, or product names of the Licensor,
except as required for reasonable and customary use in describing the
origin of the Work and reproducing the content of the NOTICE file.
7. Disclaimer of Warranty. Unless required by applicable law or
agreed to in writing, Licensor provides the Work (and each
Contributor provides its Contributions) on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
implied, including, without limitation, any warranties or conditions
of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A
PARTICULAR PURPOSE. You are solely responsible for determining the
appropriateness of using or redistributing the Work and assume any
risks associated with Your exercise of permissions under this License.
8. Limitation of Liability. In no event and under no legal theory,
whether in tort (including negligence), contract, or otherwise,
unless required by applicable law (such as deliberate and grossly
negligent acts) or agreed to in writing, shall any Contributor be
liable to You for damages, including any direct, indirect, special,
incidental, or consequential damages of any character arising as a
result of this License or out of the use or inability to use the
Work (including but not limited to damages for loss of goodwill,
work stoppage, computer failure or malfunction, or any and all
other commercial damages or losses), even if such Contributor
has been advised of the possibility of such damages.
9. Accepting Warranty or Additional Liability. While redistributing
the Work or Derivative Works thereof, You may choose to offer,
and charge a fee for, acceptance of support, warranty, indemnity,
or other liability obligations and/or rights consistent with this
License. However, in accepting such obligations, You may act only
on Your own behalf and on Your sole responsibility, not on behalf
of any other Contributor, and only if You agree to indemnify,
defend, and hold each Contributor harmless for any liability
incurred by, or claims asserted against, such Contributor by reason
of your accepting any such warranty or additional liability.
END OF TERMS AND CONDITIONS
APPENDIX: How to apply the Apache License to your work.
To apply the Apache License to your work, attach the following
boilerplate notice, with the fields enclosed by brackets "[]"
replaced with your own identifying information. (Don't include
the brackets!) The text should be enclosed in the appropriate
comment syntax for the file format. We also recommend that a
file or class name and description of purpose be included on the
same "printed page" as the copyright notice for easier
identification within third-party archives.
Copyright [yyyy] [name of copyright owner]
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.

View File

@@ -0,0 +1,28 @@
Prometheus instrumentation library for Go applications
Copyright 2012-2015 The Prometheus Authors
This product includes software developed at
SoundCloud Ltd. (http://soundcloud.com/).
The following components are included in this product:
goautoneg
http://bitbucket.org/ww/goautoneg
Copyright 2011, Open Knowledge Foundation Ltd.
See README.txt for license details.
perks - a fork of https://github.com/bmizerany/perks
https://github.com/beorn7/perks
Copyright 2013-2015 Blake Mizerany, Björn Rabenstein
See https://github.com/beorn7/perks/blob/master/README.md for license details.
Go support for Protocol Buffers - Google's data interchange format
http://github.com/golang/protobuf/
Copyright 2010 The Go Authors
See source code for license details.
Support for streaming Protocol Buffer messages for the Go language (golang).
https://github.com/matttproud/golang_protobuf_extensions
Copyright 2013 Matt T. Proud
Licensed under the Apache License, Version 2.0

View File

@@ -0,0 +1,201 @@
Apache License
Version 2.0, January 2004
http://www.apache.org/licenses/
TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
1. Definitions.
"License" shall mean the terms and conditions for use, reproduction,
and distribution as defined by Sections 1 through 9 of this document.
"Licensor" shall mean the copyright owner or entity authorized by
the copyright owner that is granting the License.
"Legal Entity" shall mean the union of the acting entity and all
other entities that control, are controlled by, or are under common
control with that entity. For the purposes of this definition,
"control" means (i) the power, direct or indirect, to cause the
direction or management of such entity, whether by contract or
otherwise, or (ii) ownership of fifty percent (50%) or more of the
outstanding shares, or (iii) beneficial ownership of such entity.
"You" (or "Your") shall mean an individual or Legal Entity
exercising permissions granted by this License.
"Source" form shall mean the preferred form for making modifications,
including but not limited to software source code, documentation
source, and configuration files.
"Object" form shall mean any form resulting from mechanical
transformation or translation of a Source form, including but
not limited to compiled object code, generated documentation,
and conversions to other media types.
"Work" shall mean the work of authorship, whether in Source or
Object form, made available under the License, as indicated by a
copyright notice that is included in or attached to the work
(an example is provided in the Appendix below).
"Derivative Works" shall mean any work, whether in Source or Object
form, that is based on (or derived from) the Work and for which the
editorial revisions, annotations, elaborations, or other modifications
represent, as a whole, an original work of authorship. For the purposes
of this License, Derivative Works shall not include works that remain
separable from, or merely link (or bind by name) to the interfaces of,
the Work and Derivative Works thereof.
"Contribution" shall mean any work of authorship, including
the original version of the Work and any modifications or additions
to that Work or Derivative Works thereof, that is intentionally
submitted to Licensor for inclusion in the Work by the copyright owner
or by an individual or Legal Entity authorized to submit on behalf of
the copyright owner. For the purposes of this definition, "submitted"
means any form of electronic, verbal, or written communication sent
to the Licensor or its representatives, including but not limited to
communication on electronic mailing lists, source code control systems,
and issue tracking systems that are managed by, or on behalf of, the
Licensor for the purpose of discussing and improving the Work, but
excluding communication that is conspicuously marked or otherwise
designated in writing by the copyright owner as "Not a Contribution."
"Contributor" shall mean Licensor and any individual or Legal Entity
on behalf of whom a Contribution has been received by Licensor and
subsequently incorporated within the Work.
2. Grant of Copyright License. Subject to the terms and conditions of
this License, each Contributor hereby grants to You a perpetual,
worldwide, non-exclusive, no-charge, royalty-free, irrevocable
copyright license to reproduce, prepare Derivative Works of,
publicly display, publicly perform, sublicense, and distribute the
Work and such Derivative Works in Source or Object form.
3. Grant of Patent License. Subject to the terms and conditions of
this License, each Contributor hereby grants to You a perpetual,
worldwide, non-exclusive, no-charge, royalty-free, irrevocable
(except as stated in this section) patent license to make, have made,
use, offer to sell, sell, import, and otherwise transfer the Work,
where such license applies only to those patent claims licensable
by such Contributor that are necessarily infringed by their
Contribution(s) alone or by combination of their Contribution(s)
with the Work to which such Contribution(s) was submitted. If You
institute patent litigation against any entity (including a
cross-claim or counterclaim in a lawsuit) alleging that the Work
or a Contribution incorporated within the Work constitutes direct
or contributory patent infringement, then any patent licenses
granted to You under this License for that Work shall terminate
as of the date such litigation is filed.
4. Redistribution. You may reproduce and distribute copies of the
Work or Derivative Works thereof in any medium, with or without
modifications, and in Source or Object form, provided that You
meet the following conditions:
(a) You must give any other recipients of the Work or
Derivative Works a copy of this License; and
(b) You must cause any modified files to carry prominent notices
stating that You changed the files; and
(c) You must retain, in the Source form of any Derivative Works
that You distribute, all copyright, patent, trademark, and
attribution notices from the Source form of the Work,
excluding those notices that do not pertain to any part of
the Derivative Works; and
(d) If the Work includes a "NOTICE" text file as part of its
distribution, then any Derivative Works that You distribute must
include a readable copy of the attribution notices contained
within such NOTICE file, excluding those notices that do not
pertain to any part of the Derivative Works, in at least one
of the following places: within a NOTICE text file distributed
as part of the Derivative Works; within the Source form or
documentation, if provided along with the Derivative Works; or,
within a display generated by the Derivative Works, if and
wherever such third-party notices normally appear. The contents
of the NOTICE file are for informational purposes only and
do not modify the License. You may add Your own attribution
notices within Derivative Works that You distribute, alongside
or as an addendum to the NOTICE text from the Work, provided
that such additional attribution notices cannot be construed
as modifying the License.
You may add Your own copyright statement to Your modifications and
may provide additional or different license terms and conditions
for use, reproduction, or distribution of Your modifications, or
for any such Derivative Works as a whole, provided Your use,
reproduction, and distribution of the Work otherwise complies with
the conditions stated in this License.
5. Submission of Contributions. Unless You explicitly state otherwise,
any Contribution intentionally submitted for inclusion in the Work
by You to the Licensor shall be under the terms and conditions of
this License, without any additional terms or conditions.
Notwithstanding the above, nothing herein shall supersede or modify
the terms of any separate license agreement you may have executed
with Licensor regarding such Contributions.
6. Trademarks. This License does not grant permission to use the trade
names, trademarks, service marks, or product names of the Licensor,
except as required for reasonable and customary use in describing the
origin of the Work and reproducing the content of the NOTICE file.
7. Disclaimer of Warranty. Unless required by applicable law or
agreed to in writing, Licensor provides the Work (and each
Contributor provides its Contributions) on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
implied, including, without limitation, any warranties or conditions
of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A
PARTICULAR PURPOSE. You are solely responsible for determining the
appropriateness of using or redistributing the Work and assume any
risks associated with Your exercise of permissions under this License.
8. Limitation of Liability. In no event and under no legal theory,
whether in tort (including negligence), contract, or otherwise,
unless required by applicable law (such as deliberate and grossly
negligent acts) or agreed to in writing, shall any Contributor be
liable to You for damages, including any direct, indirect, special,
incidental, or consequential damages of any character arising as a
result of this License or out of the use or inability to use the
Work (including but not limited to damages for loss of goodwill,
work stoppage, computer failure or malfunction, or any and all
other commercial damages or losses), even if such Contributor
has been advised of the possibility of such damages.
9. Accepting Warranty or Additional Liability. While redistributing
the Work or Derivative Works thereof, You may choose to offer,
and charge a fee for, acceptance of support, warranty, indemnity,
or other liability obligations and/or rights consistent with this
License. However, in accepting such obligations, You may act only
on Your own behalf and on Your sole responsibility, not on behalf
of any other Contributor, and only if You agree to indemnify,
defend, and hold each Contributor harmless for any liability
incurred by, or claims asserted against, such Contributor by reason
of your accepting any such warranty or additional liability.
END OF TERMS AND CONDITIONS
APPENDIX: How to apply the Apache License to your work.
To apply the Apache License to your work, attach the following
boilerplate notice, with the fields enclosed by brackets "[]"
replaced with your own identifying information. (Don't include
the brackets!) The text should be enclosed in the appropriate
comment syntax for the file format. We also recommend that a
file or class name and description of purpose be included on the
same "printed page" as the copyright notice for easier
identification within third-party archives.
Copyright [yyyy] [name of copyright owner]
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.

View File

@@ -0,0 +1,5 @@
Data model artifacts for Prometheus.
Copyright 2012-2015 The Prometheus Authors
This product includes software developed at
SoundCloud Ltd. (http://soundcloud.com/).

View File

@@ -0,0 +1,201 @@
Apache License
Version 2.0, January 2004
http://www.apache.org/licenses/
TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
1. Definitions.
"License" shall mean the terms and conditions for use, reproduction,
and distribution as defined by Sections 1 through 9 of this document.
"Licensor" shall mean the copyright owner or entity authorized by
the copyright owner that is granting the License.
"Legal Entity" shall mean the union of the acting entity and all
other entities that control, are controlled by, or are under common
control with that entity. For the purposes of this definition,
"control" means (i) the power, direct or indirect, to cause the
direction or management of such entity, whether by contract or
otherwise, or (ii) ownership of fifty percent (50%) or more of the
outstanding shares, or (iii) beneficial ownership of such entity.
"You" (or "Your") shall mean an individual or Legal Entity
exercising permissions granted by this License.
"Source" form shall mean the preferred form for making modifications,
including but not limited to software source code, documentation
source, and configuration files.
"Object" form shall mean any form resulting from mechanical
transformation or translation of a Source form, including but
not limited to compiled object code, generated documentation,
and conversions to other media types.
"Work" shall mean the work of authorship, whether in Source or
Object form, made available under the License, as indicated by a
copyright notice that is included in or attached to the work
(an example is provided in the Appendix below).
"Derivative Works" shall mean any work, whether in Source or Object
form, that is based on (or derived from) the Work and for which the
editorial revisions, annotations, elaborations, or other modifications
represent, as a whole, an original work of authorship. For the purposes
of this License, Derivative Works shall not include works that remain
separable from, or merely link (or bind by name) to the interfaces of,
the Work and Derivative Works thereof.
"Contribution" shall mean any work of authorship, including
the original version of the Work and any modifications or additions
to that Work or Derivative Works thereof, that is intentionally
submitted to Licensor for inclusion in the Work by the copyright owner
or by an individual or Legal Entity authorized to submit on behalf of
the copyright owner. For the purposes of this definition, "submitted"
means any form of electronic, verbal, or written communication sent
to the Licensor or its representatives, including but not limited to
communication on electronic mailing lists, source code control systems,
and issue tracking systems that are managed by, or on behalf of, the
Licensor for the purpose of discussing and improving the Work, but
excluding communication that is conspicuously marked or otherwise
designated in writing by the copyright owner as "Not a Contribution."
"Contributor" shall mean Licensor and any individual or Legal Entity
on behalf of whom a Contribution has been received by Licensor and
subsequently incorporated within the Work.
2. Grant of Copyright License. Subject to the terms and conditions of
this License, each Contributor hereby grants to You a perpetual,
worldwide, non-exclusive, no-charge, royalty-free, irrevocable
copyright license to reproduce, prepare Derivative Works of,
publicly display, publicly perform, sublicense, and distribute the
Work and such Derivative Works in Source or Object form.
3. Grant of Patent License. Subject to the terms and conditions of
this License, each Contributor hereby grants to You a perpetual,
worldwide, non-exclusive, no-charge, royalty-free, irrevocable
(except as stated in this section) patent license to make, have made,
use, offer to sell, sell, import, and otherwise transfer the Work,
where such license applies only to those patent claims licensable
by such Contributor that are necessarily infringed by their
Contribution(s) alone or by combination of their Contribution(s)
with the Work to which such Contribution(s) was submitted. If You
institute patent litigation against any entity (including a
cross-claim or counterclaim in a lawsuit) alleging that the Work
or a Contribution incorporated within the Work constitutes direct
or contributory patent infringement, then any patent licenses
granted to You under this License for that Work shall terminate
as of the date such litigation is filed.
4. Redistribution. You may reproduce and distribute copies of the
Work or Derivative Works thereof in any medium, with or without
modifications, and in Source or Object form, provided that You
meet the following conditions:
(a) You must give any other recipients of the Work or
Derivative Works a copy of this License; and
(b) You must cause any modified files to carry prominent notices
stating that You changed the files; and
(c) You must retain, in the Source form of any Derivative Works
that You distribute, all copyright, patent, trademark, and
attribution notices from the Source form of the Work,
excluding those notices that do not pertain to any part of
the Derivative Works; and
(d) If the Work includes a "NOTICE" text file as part of its
distribution, then any Derivative Works that You distribute must
include a readable copy of the attribution notices contained
within such NOTICE file, excluding those notices that do not
pertain to any part of the Derivative Works, in at least one
of the following places: within a NOTICE text file distributed
as part of the Derivative Works; within the Source form or
documentation, if provided along with the Derivative Works; or,
within a display generated by the Derivative Works, if and
wherever such third-party notices normally appear. The contents
of the NOTICE file are for informational purposes only and
do not modify the License. You may add Your own attribution
notices within Derivative Works that You distribute, alongside
or as an addendum to the NOTICE text from the Work, provided
that such additional attribution notices cannot be construed
as modifying the License.
You may add Your own copyright statement to Your modifications and
may provide additional or different license terms and conditions
for use, reproduction, or distribution of Your modifications, or
for any such Derivative Works as a whole, provided Your use,
reproduction, and distribution of the Work otherwise complies with
the conditions stated in this License.
5. Submission of Contributions. Unless You explicitly state otherwise,
any Contribution intentionally submitted for inclusion in the Work
by You to the Licensor shall be under the terms and conditions of
this License, without any additional terms or conditions.
Notwithstanding the above, nothing herein shall supersede or modify
the terms of any separate license agreement you may have executed
with Licensor regarding such Contributions.
6. Trademarks. This License does not grant permission to use the trade
names, trademarks, service marks, or product names of the Licensor,
except as required for reasonable and customary use in describing the
origin of the Work and reproducing the content of the NOTICE file.
7. Disclaimer of Warranty. Unless required by applicable law or
agreed to in writing, Licensor provides the Work (and each
Contributor provides its Contributions) on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
implied, including, without limitation, any warranties or conditions
of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A
PARTICULAR PURPOSE. You are solely responsible for determining the
appropriateness of using or redistributing the Work and assume any
risks associated with Your exercise of permissions under this License.
8. Limitation of Liability. In no event and under no legal theory,
whether in tort (including negligence), contract, or otherwise,
unless required by applicable law (such as deliberate and grossly
negligent acts) or agreed to in writing, shall any Contributor be
liable to You for damages, including any direct, indirect, special,
incidental, or consequential damages of any character arising as a
result of this License or out of the use or inability to use the
Work (including but not limited to damages for loss of goodwill,
work stoppage, computer failure or malfunction, or any and all
other commercial damages or losses), even if such Contributor
has been advised of the possibility of such damages.
9. Accepting Warranty or Additional Liability. While redistributing
the Work or Derivative Works thereof, You may choose to offer,
and charge a fee for, acceptance of support, warranty, indemnity,
or other liability obligations and/or rights consistent with this
License. However, in accepting such obligations, You may act only
on Your own behalf and on Your sole responsibility, not on behalf
of any other Contributor, and only if You agree to indemnify,
defend, and hold each Contributor harmless for any liability
incurred by, or claims asserted against, such Contributor by reason
of your accepting any such warranty or additional liability.
END OF TERMS AND CONDITIONS
APPENDIX: How to apply the Apache License to your work.
To apply the Apache License to your work, attach the following
boilerplate notice, with the fields enclosed by brackets "[]"
replaced with your own identifying information. (Don't include
the brackets!) The text should be enclosed in the appropriate
comment syntax for the file format. We also recommend that a
file or class name and description of purpose be included on the
same "printed page" as the copyright notice for easier
identification within third-party archives.
Copyright [yyyy] [name of copyright owner]
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.

View File

@@ -0,0 +1,201 @@
Apache License
Version 2.0, January 2004
http://www.apache.org/licenses/
TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
1. Definitions.
"License" shall mean the terms and conditions for use, reproduction,
and distribution as defined by Sections 1 through 9 of this document.
"Licensor" shall mean the copyright owner or entity authorized by
the copyright owner that is granting the License.
"Legal Entity" shall mean the union of the acting entity and all
other entities that control, are controlled by, or are under common
control with that entity. For the purposes of this definition,
"control" means (i) the power, direct or indirect, to cause the
direction or management of such entity, whether by contract or
otherwise, or (ii) ownership of fifty percent (50%) or more of the
outstanding shares, or (iii) beneficial ownership of such entity.
"You" (or "Your") shall mean an individual or Legal Entity
exercising permissions granted by this License.
"Source" form shall mean the preferred form for making modifications,
including but not limited to software source code, documentation
source, and configuration files.
"Object" form shall mean any form resulting from mechanical
transformation or translation of a Source form, including but
not limited to compiled object code, generated documentation,
and conversions to other media types.
"Work" shall mean the work of authorship, whether in Source or
Object form, made available under the License, as indicated by a
copyright notice that is included in or attached to the work
(an example is provided in the Appendix below).
"Derivative Works" shall mean any work, whether in Source or Object
form, that is based on (or derived from) the Work and for which the
editorial revisions, annotations, elaborations, or other modifications
represent, as a whole, an original work of authorship. For the purposes
of this License, Derivative Works shall not include works that remain
separable from, or merely link (or bind by name) to the interfaces of,
the Work and Derivative Works thereof.
"Contribution" shall mean any work of authorship, including
the original version of the Work and any modifications or additions
to that Work or Derivative Works thereof, that is intentionally
submitted to Licensor for inclusion in the Work by the copyright owner
or by an individual or Legal Entity authorized to submit on behalf of
the copyright owner. For the purposes of this definition, "submitted"
means any form of electronic, verbal, or written communication sent
to the Licensor or its representatives, including but not limited to
communication on electronic mailing lists, source code control systems,
and issue tracking systems that are managed by, or on behalf of, the
Licensor for the purpose of discussing and improving the Work, but
excluding communication that is conspicuously marked or otherwise
designated in writing by the copyright owner as "Not a Contribution."
"Contributor" shall mean Licensor and any individual or Legal Entity
on behalf of whom a Contribution has been received by Licensor and
subsequently incorporated within the Work.
2. Grant of Copyright License. Subject to the terms and conditions of
this License, each Contributor hereby grants to You a perpetual,
worldwide, non-exclusive, no-charge, royalty-free, irrevocable
copyright license to reproduce, prepare Derivative Works of,
publicly display, publicly perform, sublicense, and distribute the
Work and such Derivative Works in Source or Object form.
3. Grant of Patent License. Subject to the terms and conditions of
this License, each Contributor hereby grants to You a perpetual,
worldwide, non-exclusive, no-charge, royalty-free, irrevocable
(except as stated in this section) patent license to make, have made,
use, offer to sell, sell, import, and otherwise transfer the Work,
where such license applies only to those patent claims licensable
by such Contributor that are necessarily infringed by their
Contribution(s) alone or by combination of their Contribution(s)
with the Work to which such Contribution(s) was submitted. If You
institute patent litigation against any entity (including a
cross-claim or counterclaim in a lawsuit) alleging that the Work
or a Contribution incorporated within the Work constitutes direct
or contributory patent infringement, then any patent licenses
granted to You under this License for that Work shall terminate
as of the date such litigation is filed.
4. Redistribution. You may reproduce and distribute copies of the
Work or Derivative Works thereof in any medium, with or without
modifications, and in Source or Object form, provided that You
meet the following conditions:
(a) You must give any other recipients of the Work or
Derivative Works a copy of this License; and
(b) You must cause any modified files to carry prominent notices
stating that You changed the files; and
(c) You must retain, in the Source form of any Derivative Works
that You distribute, all copyright, patent, trademark, and
attribution notices from the Source form of the Work,
excluding those notices that do not pertain to any part of
the Derivative Works; and
(d) If the Work includes a "NOTICE" text file as part of its
distribution, then any Derivative Works that You distribute must
include a readable copy of the attribution notices contained
within such NOTICE file, excluding those notices that do not
pertain to any part of the Derivative Works, in at least one
of the following places: within a NOTICE text file distributed
as part of the Derivative Works; within the Source form or
documentation, if provided along with the Derivative Works; or,
within a display generated by the Derivative Works, if and
wherever such third-party notices normally appear. The contents
of the NOTICE file are for informational purposes only and
do not modify the License. You may add Your own attribution
notices within Derivative Works that You distribute, alongside
or as an addendum to the NOTICE text from the Work, provided
that such additional attribution notices cannot be construed
as modifying the License.
You may add Your own copyright statement to Your modifications and
may provide additional or different license terms and conditions
for use, reproduction, or distribution of Your modifications, or
for any such Derivative Works as a whole, provided Your use,
reproduction, and distribution of the Work otherwise complies with
the conditions stated in this License.
5. Submission of Contributions. Unless You explicitly state otherwise,
any Contribution intentionally submitted for inclusion in the Work
by You to the Licensor shall be under the terms and conditions of
this License, without any additional terms or conditions.
Notwithstanding the above, nothing herein shall supersede or modify
the terms of any separate license agreement you may have executed
with Licensor regarding such Contributions.
6. Trademarks. This License does not grant permission to use the trade
names, trademarks, service marks, or product names of the Licensor,
except as required for reasonable and customary use in describing the
origin of the Work and reproducing the content of the NOTICE file.
7. Disclaimer of Warranty. Unless required by applicable law or
agreed to in writing, Licensor provides the Work (and each
Contributor provides its Contributions) on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
implied, including, without limitation, any warranties or conditions
of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A
PARTICULAR PURPOSE. You are solely responsible for determining the
appropriateness of using or redistributing the Work and assume any
risks associated with Your exercise of permissions under this License.
8. Limitation of Liability. In no event and under no legal theory,
whether in tort (including negligence), contract, or otherwise,
unless required by applicable law (such as deliberate and grossly
negligent acts) or agreed to in writing, shall any Contributor be
liable to You for damages, including any direct, indirect, special,
incidental, or consequential damages of any character arising as a
result of this License or out of the use or inability to use the
Work (including but not limited to damages for loss of goodwill,
work stoppage, computer failure or malfunction, or any and all
other commercial damages or losses), even if such Contributor
has been advised of the possibility of such damages.
9. Accepting Warranty or Additional Liability. While redistributing
the Work or Derivative Works thereof, You may choose to offer,
and charge a fee for, acceptance of support, warranty, indemnity,
or other liability obligations and/or rights consistent with this
License. However, in accepting such obligations, You may act only
on Your own behalf and on Your sole responsibility, not on behalf
of any other Contributor, and only if You agree to indemnify,
defend, and hold each Contributor harmless for any liability
incurred by, or claims asserted against, such Contributor by reason
of your accepting any such warranty or additional liability.
END OF TERMS AND CONDITIONS
APPENDIX: How to apply the Apache License to your work.
To apply the Apache License to your work, attach the following
boilerplate notice, with the fields enclosed by brackets "[]"
replaced with your own identifying information. (Don't include
the brackets!) The text should be enclosed in the appropriate
comment syntax for the file format. We also recommend that a
file or class name and description of purpose be included on the
same "printed page" as the copyright notice for easier
identification within third-party archives.
Copyright [yyyy] [name of copyright owner]
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.

View File

@@ -0,0 +1,7 @@
procfs provides functions to retrieve system, kernel and process
metrics from the pseudo-filesystem proc.
Copyright 2014-2015 The Prometheus Authors
This product includes software developed at
SoundCloud Ltd. (http://soundcloud.com/).

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Copyright (c) 2015 Matthew Heon <mheon@redhat.com>
Copyright (c) 2015 Paul Moore <pmoore@redhat.com>
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
- Redistributions of source code must retain the above copyright notice,
this list of conditions and the following disclaimer.
- Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

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@@ -0,0 +1,23 @@
objx - by Mat Ryer and Tyler Bunnell
The MIT License (MIT)
Copyright (c) 2014 Stretchr, Inc.
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

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@@ -0,0 +1,24 @@
Copyright 2013 Suryandaru Triandana <syndtr@gmail.com>
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are
met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

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@@ -0,0 +1,192 @@
Apache License
Version 2.0, January 2004
http://www.apache.org/licenses/
TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
1. Definitions.
"License" shall mean the terms and conditions for use, reproduction,
and distribution as defined by Sections 1 through 9 of this document.
"Licensor" shall mean the copyright owner or entity authorized by
the copyright owner that is granting the License.
"Legal Entity" shall mean the union of the acting entity and all
other entities that control, are controlled by, or are under common
control with that entity. For the purposes of this definition,
"control" means (i) the power, direct or indirect, to cause the
direction or management of such entity, whether by contract or
otherwise, or (ii) ownership of fifty percent (50%) or more of the
outstanding shares, or (iii) beneficial ownership of such entity.
"You" (or "Your") shall mean an individual or Legal Entity
exercising permissions granted by this License.
"Source" form shall mean the preferred form for making modifications,
including but not limited to software source code, documentation
source, and configuration files.
"Object" form shall mean any form resulting from mechanical
transformation or translation of a Source form, including but
not limited to compiled object code, generated documentation,
and conversions to other media types.
"Work" shall mean the work of authorship, whether in Source or
Object form, made available under the License, as indicated by a
copyright notice that is included in or attached to the work
(an example is provided in the Appendix below).
"Derivative Works" shall mean any work, whether in Source or Object
form, that is based on (or derived from) the Work and for which the
editorial revisions, annotations, elaborations, or other modifications
represent, as a whole, an original work of authorship. For the purposes
of this License, Derivative Works shall not include works that remain
separable from, or merely link (or bind by name) to the interfaces of,
the Work and Derivative Works thereof.
"Contribution" shall mean any work of authorship, including
the original version of the Work and any modifications or additions
to that Work or Derivative Works thereof, that is intentionally
submitted to Licensor for inclusion in the Work by the copyright owner
or by an individual or Legal Entity authorized to submit on behalf of
the copyright owner. For the purposes of this definition, "submitted"
means any form of electronic, verbal, or written communication sent
to the Licensor or its representatives, including but not limited to
communication on electronic mailing lists, source code control systems,
and issue tracking systems that are managed by, or on behalf of, the
Licensor for the purpose of discussing and improving the Work, but
excluding communication that is conspicuously marked or otherwise
designated in writing by the copyright owner as "Not a Contribution."
"Contributor" shall mean Licensor and any individual or Legal Entity
on behalf of whom a Contribution has been received by Licensor and
subsequently incorporated within the Work.
2. Grant of Copyright License. Subject to the terms and conditions of
this License, each Contributor hereby grants to You a perpetual,
worldwide, non-exclusive, no-charge, royalty-free, irrevocable
copyright license to reproduce, prepare Derivative Works of,
publicly display, publicly perform, sublicense, and distribute the
Work and such Derivative Works in Source or Object form.
3. Grant of Patent License. Subject to the terms and conditions of
this License, each Contributor hereby grants to You a perpetual,
worldwide, non-exclusive, no-charge, royalty-free, irrevocable
(except as stated in this section) patent license to make, have made,
use, offer to sell, sell, import, and otherwise transfer the Work,
where such license applies only to those patent claims licensable
by such Contributor that are necessarily infringed by their
Contribution(s) alone or by combination of their Contribution(s)
with the Work to which such Contribution(s) was submitted. If You
institute patent litigation against any entity (including a
cross-claim or counterclaim in a lawsuit) alleging that the Work
or a Contribution incorporated within the Work constitutes direct
or contributory patent infringement, then any patent licenses
granted to You under this License for that Work shall terminate
as of the date such litigation is filed.
4. Redistribution. You may reproduce and distribute copies of the
Work or Derivative Works thereof in any medium, with or without
modifications, and in Source or Object form, provided that You
meet the following conditions:
(a) You must give any other recipients of the Work or
Derivative Works a copy of this License; and
(b) You must cause any modified files to carry prominent notices
stating that You changed the files; and
(c) You must retain, in the Source form of any Derivative Works
that You distribute, all copyright, patent, trademark, and
attribution notices from the Source form of the Work,
excluding those notices that do not pertain to any part of
the Derivative Works; and
(d) If the Work includes a "NOTICE" text file as part of its
distribution, then any Derivative Works that You distribute must
include a readable copy of the attribution notices contained
within such NOTICE file, excluding those notices that do not
pertain to any part of the Derivative Works, in at least one
of the following places: within a NOTICE text file distributed
as part of the Derivative Works; within the Source form or
documentation, if provided along with the Derivative Works; or,
within a display generated by the Derivative Works, if and
wherever such third-party notices normally appear. The contents
of the NOTICE file are for informational purposes only and
do not modify the License. You may add Your own attribution
notices within Derivative Works that You distribute, alongside
or as an addendum to the NOTICE text from the Work, provided
that such additional attribution notices cannot be construed
as modifying the License.
You may add Your own copyright statement to Your modifications and
may provide additional or different license terms and conditions
for use, reproduction, or distribution of Your modifications, or
for any such Derivative Works as a whole, provided Your use,
reproduction, and distribution of the Work otherwise complies with
the conditions stated in this License.
5. Submission of Contributions. Unless You explicitly state otherwise,
any Contribution intentionally submitted for inclusion in the Work
by You to the Licensor shall be under the terms and conditions of
this License, without any additional terms or conditions.
Notwithstanding the above, nothing herein shall supersede or modify
the terms of any separate license agreement you may have executed
with Licensor regarding such Contributions.
6. Trademarks. This License does not grant permission to use the trade
names, trademarks, service marks, or product names of the Licensor,
except as required for reasonable and customary use in describing the
origin of the Work and reproducing the content of the NOTICE file.
7. Disclaimer of Warranty. Unless required by applicable law or
agreed to in writing, Licensor provides the Work (and each
Contributor provides its Contributions) on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
implied, including, without limitation, any warranties or conditions
of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A
PARTICULAR PURPOSE. You are solely responsible for determining the
appropriateness of using or redistributing the Work and assume any
risks associated with Your exercise of permissions under this License.
8. Limitation of Liability. In no event and under no legal theory,
whether in tort (including negligence), contract, or otherwise,
unless required by applicable law (such as deliberate and grossly
negligent acts) or agreed to in writing, shall any Contributor be
liable to You for damages, including any direct, indirect, special,
incidental, or consequential damages of any character arising as a
result of this License or out of the use or inability to use the
Work (including but not limited to damages for loss of goodwill,
work stoppage, computer failure or malfunction, or any and all
other commercial damages or losses), even if such Contributor
has been advised of the possibility of such damages.
9. Accepting Warranty or Additional Liability. While redistributing
the Work or Derivative Works thereof, You may choose to offer,
and charge a fee for, acceptance of support, warranty, indemnity,
or other liability obligations and/or rights consistent with this
License. However, in accepting such obligations, You may act only
on Your own behalf and on Your sole responsibility, not on behalf
of any other Contributor, and only if You agree to indemnify,
defend, and hold each Contributor harmless for any liability
incurred by, or claims asserted against, such Contributor by reason
of your accepting any such warranty or additional liability.
END OF TERMS AND CONDITIONS
Copyright 2014 Vishvananda Ishaya.
Copyright 2014 Docker, Inc.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.

View File

@@ -0,0 +1,27 @@
Copyright (c) 2009 The Go Authors. All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are
met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the following disclaimer
in the documentation and/or other materials provided with the
distribution.
* Neither the name of Google Inc. nor the names of its
contributors may be used to endorse or promote products derived from
this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

View File

@@ -0,0 +1,22 @@
Additional IP Rights Grant (Patents)
"This implementation" means the copyrightable works distributed by
Google as part of the Go project.
Google hereby grants to You a perpetual, worldwide, non-exclusive,
no-charge, royalty-free, irrevocable (except as stated in this section)
patent license to make, have made, use, offer to sell, sell, import,
transfer and otherwise run, modify and propagate the contents of this
implementation of Go, where such license applies only to those patent
claims, both currently owned or controlled by Google and acquired in
the future, licensable by Google that are necessarily infringed by this
implementation of Go. This grant does not include claims that would be
infringed only as a consequence of further modification of this
implementation. If you or your agent or exclusive licensee institute or
order or agree to the institution of patent litigation against any
entity (including a cross-claim or counterclaim in a lawsuit) alleging
that this implementation of Go or any code incorporated within this
implementation of Go constitutes direct or contributory patent
infringement, or inducement of patent infringement, then any patent
rights granted to you under this License for this implementation of Go
shall terminate as of the date such litigation is filed.

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@@ -0,0 +1,27 @@
Copyright (c) 2009 The Go Authors. All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are
met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the following disclaimer
in the documentation and/or other materials provided with the
distribution.
* Neither the name of Google Inc. nor the names of its
contributors may be used to endorse or promote products derived from
this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

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@@ -0,0 +1,22 @@
Additional IP Rights Grant (Patents)
"This implementation" means the copyrightable works distributed by
Google as part of the Go project.
Google hereby grants to You a perpetual, worldwide, non-exclusive,
no-charge, royalty-free, irrevocable (except as stated in this section)
patent license to make, have made, use, offer to sell, sell, import,
transfer and otherwise run, modify and propagate the contents of this
implementation of Go, where such license applies only to those patent
claims, both currently owned or controlled by Google and acquired in
the future, licensable by Google that are necessarily infringed by this
implementation of Go. This grant does not include claims that would be
infringed only as a consequence of further modification of this
implementation. If you or your agent or exclusive licensee institute or
order or agree to the institution of patent litigation against any
entity (including a cross-claim or counterclaim in a lawsuit) alleging
that this implementation of Go or any code incorporated within this
implementation of Go constitutes direct or contributory patent
infringement, or inducement of patent infringement, then any patent
rights granted to you under this License for this implementation of Go
shall terminate as of the date such litigation is filed.

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@@ -0,0 +1,27 @@
Copyright (c) 2009 The oauth2 Authors. All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are
met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the following disclaimer
in the documentation and/or other materials provided with the
distribution.
* Neither the name of Google Inc. nor the names of its
contributors may be used to endorse or promote products derived from
this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

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@@ -0,0 +1,27 @@
Copyright (c) 2011 Google Inc. All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are
met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the following disclaimer
in the documentation and/or other materials provided with the
distribution.
* Neither the name of Google Inc. nor the names of its
contributors may be used to endorse or promote products derived from
this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

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@@ -0,0 +1,18 @@
Copyright (c) 2013 Joshua Tacoma
Permission is hereby granted, free of charge, to any person obtaining a copy of
this software and associated documentation files (the "Software"), to deal in
the Software without restriction, including without limitation the rights to
use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
the Software, and to permit persons to whom the Software is furnished to do so,
subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

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@@ -0,0 +1,202 @@
Apache License
Version 2.0, January 2004
http://www.apache.org/licenses/
TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
1. Definitions.
"License" shall mean the terms and conditions for use, reproduction,
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meet the following conditions:
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Derivative Works a copy of this License; and
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You may add Your own copyright statement to Your modifications and
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for any such Derivative Works as a whole, provided Your use,
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the conditions stated in this License.
5. Submission of Contributions. Unless You explicitly state otherwise,
any Contribution intentionally submitted for inclusion in the Work
by You to the Licensor shall be under the terms and conditions of
this License, without any additional terms or conditions.
Notwithstanding the above, nothing herein shall supersede or modify
the terms of any separate license agreement you may have executed
with Licensor regarding such Contributions.
6. Trademarks. This License does not grant permission to use the trade
names, trademarks, service marks, or product names of the Licensor,
except as required for reasonable and customary use in describing the
origin of the Work and reproducing the content of the NOTICE file.
7. Disclaimer of Warranty. Unless required by applicable law or
agreed to in writing, Licensor provides the Work (and each
Contributor provides its Contributions) on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
implied, including, without limitation, any warranties or conditions
of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A
PARTICULAR PURPOSE. You are solely responsible for determining the
appropriateness of using or redistributing the Work and assume any
risks associated with Your exercise of permissions under this License.
8. Limitation of Liability. In no event and under no legal theory,
whether in tort (including negligence), contract, or otherwise,
unless required by applicable law (such as deliberate and grossly
negligent acts) or agreed to in writing, shall any Contributor be
liable to You for damages, including any direct, indirect, special,
incidental, or consequential damages of any character arising as a
result of this License or out of the use or inability to use the
Work (including but not limited to damages for loss of goodwill,
work stoppage, computer failure or malfunction, or any and all
other commercial damages or losses), even if such Contributor
has been advised of the possibility of such damages.
9. Accepting Warranty or Additional Liability. While redistributing
the Work or Derivative Works thereof, You may choose to offer,
and charge a fee for, acceptance of support, warranty, indemnity,
or other liability obligations and/or rights consistent with this
License. However, in accepting such obligations, You may act only
on Your own behalf and on Your sole responsibility, not on behalf
of any other Contributor, and only if You agree to indemnify,
defend, and hold each Contributor harmless for any liability
incurred by, or claims asserted against, such Contributor by reason
of your accepting any such warranty or additional liability.
END OF TERMS AND CONDITIONS
APPENDIX: How to apply the Apache License to your work.
To apply the Apache License to your work, attach the following
boilerplate notice, with the fields enclosed by brackets "[]"
replaced with your own identifying information. (Don't include
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Copyright 2014 Google Inc.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
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Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.

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@@ -0,0 +1,28 @@
Copyright 2014, Google Inc.
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are
met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the following disclaimer
in the documentation and/or other materials provided with the
distribution.
* Neither the name of Google Inc. nor the names of its
contributors may be used to endorse or promote products derived from
this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

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@@ -0,0 +1,22 @@
Additional IP Rights Grant (Patents)
"This implementation" means the copyrightable works distributed by
Google as part of the GRPC project.
Google hereby grants to You a perpetual, worldwide, non-exclusive,
no-charge, royalty-free, irrevocable (except as stated in this section)
patent license to make, have made, use, offer to sell, sell, import,
transfer and otherwise run, modify and propagate the contents of this
implementation of GRPC, where such license applies only to those patent
claims, both currently owned or controlled by Google and acquired in
the future, licensable by Google that are necessarily infringed by this
implementation of GRPC. This grant does not include claims that would be
infringed only as a consequence of further modification of this
implementation. If you or your agent or exclusive licensee institute or
order or agree to the institution of patent litigation against any
entity (including a cross-claim or counterclaim in a lawsuit) alleging
that this implementation of GRPC or any code incorporated within this
implementation of GRPC constitutes direct or contributory patent
infringement, or inducement of patent infringement, then any patent
rights granted to you under this License for this implementation of GRPC
shall terminate as of the date such litigation is filed.

View File

@@ -0,0 +1,20 @@
The MIT License (MIT)
Copyright © 2012-2015 Oliver Eilhard
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the “Software”), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included
in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
IN THE SOFTWARE.

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@@ -0,0 +1,18 @@
Copyright (c) 2013 Joshua Tacoma
Permission is hereby granted, free of charge, to any person obtaining a copy of
this software and associated documentation files (the "Software"), to deal in
the Software without restriction, including without limitation the rights to
use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
the Software, and to permit persons to whom the Software is furnished to do so,
subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

190
vendor/github.com/google/cadvisor/LICENSE generated vendored Normal file
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Copyright 2014 The cAdvisor Authors
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
Apache License
Version 2.0, January 2004
http://www.apache.org/licenses/
TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
1. Definitions.
"License" shall mean the terms and conditions for use, reproduction,
and distribution as defined by Sections 1 through 9 of this document.
"Licensor" shall mean the copyright owner or entity authorized by
the copyright owner that is granting the License.
"Legal Entity" shall mean the union of the acting entity and all
other entities that control, are controlled by, or are under common
control with that entity. For the purposes of this definition,
"control" means (i) the power, direct or indirect, to cause the
direction or management of such entity, whether by contract or
otherwise, or (ii) ownership of fifty percent (50%) or more of the
outstanding shares, or (iii) beneficial ownership of such entity.
"You" (or "Your") shall mean an individual or Legal Entity
exercising permissions granted by this License.
"Source" form shall mean the preferred form for making modifications,
including but not limited to software source code, documentation
source, and configuration files.
"Object" form shall mean any form resulting from mechanical
transformation or translation of a Source form, including but
not limited to compiled object code, generated documentation,
and conversions to other media types.
"Work" shall mean the work of authorship, whether in Source or
Object form, made available under the License, as indicated by a
copyright notice that is included in or attached to the work
(an example is provided in the Appendix below).
"Derivative Works" shall mean any work, whether in Source or Object
form, that is based on (or derived from) the Work and for which the
editorial revisions, annotations, elaborations, or other modifications
represent, as a whole, an original work of authorship. For the purposes
of this License, Derivative Works shall not include works that remain
separable from, or merely link (or bind by name) to the interfaces of,
the Work and Derivative Works thereof.
"Contribution" shall mean any work of authorship, including
the original version of the Work and any modifications or additions
to that Work or Derivative Works thereof, that is intentionally
submitted to Licensor for inclusion in the Work by the copyright owner
or by an individual or Legal Entity authorized to submit on behalf of
the copyright owner. For the purposes of this definition, "submitted"
means any form of electronic, verbal, or written communication sent
to the Licensor or its representatives, including but not limited to
communication on electronic mailing lists, source code control systems,
and issue tracking systems that are managed by, or on behalf of, the
Licensor for the purpose of discussing and improving the Work, but
excluding communication that is conspicuously marked or otherwise
designated in writing by the copyright owner as "Not a Contribution."
"Contributor" shall mean Licensor and any individual or Legal Entity
on behalf of whom a Contribution has been received by Licensor and
subsequently incorporated within the Work.
2. Grant of Copyright License. Subject to the terms and conditions of
this License, each Contributor hereby grants to You a perpetual,
worldwide, non-exclusive, no-charge, royalty-free, irrevocable
copyright license to reproduce, prepare Derivative Works of,
publicly display, publicly perform, sublicense, and distribute the
Work and such Derivative Works in Source or Object form.
3. Grant of Patent License. Subject to the terms and conditions of
this License, each Contributor hereby grants to You a perpetual,
worldwide, non-exclusive, no-charge, royalty-free, irrevocable
(except as stated in this section) patent license to make, have made,
use, offer to sell, sell, import, and otherwise transfer the Work,
where such license applies only to those patent claims licensable
by such Contributor that are necessarily infringed by their
Contribution(s) alone or by combination of their Contribution(s)
with the Work to which such Contribution(s) was submitted. If You
institute patent litigation against any entity (including a
cross-claim or counterclaim in a lawsuit) alleging that the Work
or a Contribution incorporated within the Work constitutes direct
or contributory patent infringement, then any patent licenses
granted to You under this License for that Work shall terminate
as of the date such litigation is filed.
4. Redistribution. You may reproduce and distribute copies of the
Work or Derivative Works thereof in any medium, with or without
modifications, and in Source or Object form, provided that You
meet the following conditions:
(a) You must give any other recipients of the Work or
Derivative Works a copy of this License; and
(b) You must cause any modified files to carry prominent notices
stating that You changed the files; and
(c) You must retain, in the Source form of any Derivative Works
that You distribute, all copyright, patent, trademark, and
attribution notices from the Source form of the Work,
excluding those notices that do not pertain to any part of
the Derivative Works; and
(d) If the Work includes a "NOTICE" text file as part of its
distribution, then any Derivative Works that You distribute must
include a readable copy of the attribution notices contained
within such NOTICE file, excluding those notices that do not
pertain to any part of the Derivative Works, in at least one
of the following places: within a NOTICE text file distributed
as part of the Derivative Works; within the Source form or
documentation, if provided along with the Derivative Works; or,
within a display generated by the Derivative Works, if and
wherever such third-party notices normally appear. The contents
of the NOTICE file are for informational purposes only and
do not modify the License. You may add Your own attribution
notices within Derivative Works that You distribute, alongside
or as an addendum to the NOTICE text from the Work, provided
that such additional attribution notices cannot be construed
as modifying the License.
You may add Your own copyright statement to Your modifications and
may provide additional or different license terms and conditions
for use, reproduction, or distribution of Your modifications, or
for any such Derivative Works as a whole, provided Your use,
reproduction, and distribution of the Work otherwise complies with
the conditions stated in this License.
5. Submission of Contributions. Unless You explicitly state otherwise,
any Contribution intentionally submitted for inclusion in the Work
by You to the Licensor shall be under the terms and conditions of
this License, without any additional terms or conditions.
Notwithstanding the above, nothing herein shall supersede or modify
the terms of any separate license agreement you may have executed
with Licensor regarding such Contributions.
6. Trademarks. This License does not grant permission to use the trade
names, trademarks, service marks, or product names of the Licensor,
except as required for reasonable and customary use in describing the
origin of the Work and reproducing the content of the NOTICE file.
7. Disclaimer of Warranty. Unless required by applicable law or
agreed to in writing, Licensor provides the Work (and each
Contributor provides its Contributions) on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
implied, including, without limitation, any warranties or conditions
of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A
PARTICULAR PURPOSE. You are solely responsible for determining the
appropriateness of using or redistributing the Work and assume any
risks associated with Your exercise of permissions under this License.
8. Limitation of Liability. In no event and under no legal theory,
whether in tort (including negligence), contract, or otherwise,
unless required by applicable law (such as deliberate and grossly
negligent acts) or agreed to in writing, shall any Contributor be
liable to You for damages, including any direct, indirect, special,
incidental, or consequential damages of any character arising as a
result of this License or out of the use or inability to use the
Work (including but not limited to damages for loss of goodwill,
work stoppage, computer failure or malfunction, or any and all
other commercial damages or losses), even if such Contributor
has been advised of the possibility of such damages.
9. Accepting Warranty or Additional Liability. While redistributing
the Work or Derivative Works thereof, You may choose to offer,
and charge a fee for, acceptance of support, warranty, indemnity,
or other liability obligations and/or rights consistent with this
License. However, in accepting such obligations, You may act only
on Your own behalf and on Your sole responsibility, not on behalf
of any other Contributor, and only if You agree to indemnify,
defend, and hold each Contributor harmless for any liability
incurred by, or claims asserted against, such Contributor by reason
of your accepting any such warranty or additional liability.
END OF TERMS AND CONDITIONS

250
vendor/github.com/google/cadvisor/api/handler.go generated vendored Normal file
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@@ -0,0 +1,250 @@
// Copyright 2014 Google Inc. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// Package api provides a handler for /api/
package api
import (
"encoding/json"
"errors"
"fmt"
"io"
"net/http"
"path"
"regexp"
"sort"
"strconv"
"strings"
"time"
"github.com/google/cadvisor/events"
httpmux "github.com/google/cadvisor/http/mux"
info "github.com/google/cadvisor/info/v1"
"github.com/google/cadvisor/manager"
"github.com/golang/glog"
)
const (
apiResource = "/api/"
)
func RegisterHandlers(mux httpmux.Mux, m manager.Manager) error {
apiVersions := getApiVersions()
supportedApiVersions := make(map[string]ApiVersion, len(apiVersions))
for _, v := range apiVersions {
supportedApiVersions[v.Version()] = v
}
mux.HandleFunc(apiResource, func(w http.ResponseWriter, r *http.Request) {
err := handleRequest(supportedApiVersions, m, w, r)
if err != nil {
http.Error(w, err.Error(), 500)
}
})
return nil
}
// Captures the API version, requestType [optional], and remaining request [optional].
var apiRegexp = regexp.MustCompile(`/api/([^/]+)/?([^/]+)?(.*)`)
const (
apiVersion = iota + 1
apiRequestType
apiRequestArgs
)
func handleRequest(supportedApiVersions map[string]ApiVersion, m manager.Manager, w http.ResponseWriter, r *http.Request) error {
start := time.Now()
defer func() {
glog.V(4).Infof("Request took %s", time.Since(start))
}()
request := r.URL.Path
const apiPrefix = "/api"
if !strings.HasPrefix(request, apiPrefix) {
return fmt.Errorf("incomplete API request %q", request)
}
// If the request doesn't have an API version, list those.
if request == apiPrefix || request == apiResource {
versions := make([]string, 0, len(supportedApiVersions))
for v := range supportedApiVersions {
versions = append(versions, v)
}
sort.Strings(versions)
fmt.Fprintf(w, "Supported API versions: %s", strings.Join(versions, ","))
return nil
}
// Verify that we have all the elements we expect:
// /<version>/<request type>[/<args...>]
requestElements := apiRegexp.FindStringSubmatch(request)
if len(requestElements) == 0 {
return fmt.Errorf("malformed request %q", request)
}
version := requestElements[apiVersion]
requestType := requestElements[apiRequestType]
requestArgs := strings.Split(requestElements[apiRequestArgs], "/")
// Check supported versions.
versionHandler, ok := supportedApiVersions[version]
if !ok {
return fmt.Errorf("unsupported API version %q", version)
}
// If no request type, list possible request types.
if requestType == "" {
requestTypes := versionHandler.SupportedRequestTypes()
sort.Strings(requestTypes)
fmt.Fprintf(w, "Supported request types: %q", strings.Join(requestTypes, ","))
return nil
}
// Trim the first empty element from the request.
if len(requestArgs) > 0 && requestArgs[0] == "" {
requestArgs = requestArgs[1:]
}
return versionHandler.HandleRequest(requestType, requestArgs, m, w, r)
}
func writeResult(res interface{}, w http.ResponseWriter) error {
out, err := json.Marshal(res)
if err != nil {
return fmt.Errorf("failed to marshall response %+v with error: %s", res, err)
}
w.Header().Set("Content-Type", "application/json")
w.Write(out)
return nil
}
func streamResults(eventChannel *events.EventChannel, w http.ResponseWriter, r *http.Request, m manager.Manager) error {
cn, ok := w.(http.CloseNotifier)
if !ok {
return errors.New("could not access http.CloseNotifier")
}
flusher, ok := w.(http.Flusher)
if !ok {
return errors.New("could not access http.Flusher")
}
w.Header().Set("Transfer-Encoding", "chunked")
w.WriteHeader(http.StatusOK)
flusher.Flush()
enc := json.NewEncoder(w)
for {
select {
case <-cn.CloseNotify():
m.CloseEventChannel(eventChannel.GetWatchId())
return nil
case ev := <-eventChannel.GetChannel():
err := enc.Encode(ev)
if err != nil {
glog.Errorf("error encoding message %+v for result stream: %v", ev, err)
}
flusher.Flush()
}
}
}
func getContainerInfoRequest(body io.ReadCloser) (*info.ContainerInfoRequest, error) {
query := info.DefaultContainerInfoRequest()
decoder := json.NewDecoder(body)
err := decoder.Decode(&query)
if err != nil && err != io.EOF {
return nil, fmt.Errorf("unable to decode the json value: %s", err)
}
return &query, nil
}
// The user can set any or none of the following arguments in any order
// with any twice defined arguments being assigned the first value.
// If the value type for the argument is wrong the field will be assumed to be
// unassigned
// bools: stream, subcontainers, oom_events, creation_events, deletion_events
// ints: max_events, start_time (unix timestamp), end_time (unix timestamp)
// example r.URL: http://localhost:8080/api/v1.3/events?oom_events=true&stream=true
func getEventRequest(r *http.Request) (*events.Request, bool, error) {
query := events.NewRequest()
stream := false
urlMap := r.URL.Query()
if val, ok := urlMap["stream"]; ok {
newBool, err := strconv.ParseBool(val[0])
if err == nil {
stream = newBool
}
}
if val, ok := urlMap["subcontainers"]; ok {
newBool, err := strconv.ParseBool(val[0])
if err == nil {
query.IncludeSubcontainers = newBool
}
}
eventTypes := map[string]info.EventType{
"oom_events": info.EventOom,
"oom_kill_events": info.EventOomKill,
"creation_events": info.EventContainerCreation,
"deletion_events": info.EventContainerDeletion,
}
allEventTypes := false
if val, ok := urlMap["all_events"]; ok {
newBool, err := strconv.ParseBool(val[0])
if err == nil {
allEventTypes = newBool
}
}
for opt, eventType := range eventTypes {
if allEventTypes {
query.EventType[eventType] = true
} else if val, ok := urlMap[opt]; ok {
newBool, err := strconv.ParseBool(val[0])
if err == nil {
query.EventType[eventType] = newBool
}
}
}
if val, ok := urlMap["max_events"]; ok {
newInt, err := strconv.Atoi(val[0])
if err == nil {
query.MaxEventsReturned = int(newInt)
}
}
if val, ok := urlMap["start_time"]; ok {
newTime, err := time.Parse(time.RFC3339, val[0])
if err == nil {
query.StartTime = newTime
}
}
if val, ok := urlMap["end_time"]; ok {
newTime, err := time.Parse(time.RFC3339, val[0])
if err == nil {
query.EndTime = newTime
}
}
return query, stream, nil
}
func getContainerName(request []string) string {
return path.Join("/", strings.Join(request, "/"))
}

543
vendor/github.com/google/cadvisor/api/versions.go generated vendored Normal file
View File

@@ -0,0 +1,543 @@
// Copyright 2015 Google Inc. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package api
import (
"fmt"
"net/http"
"path"
"strconv"
info "github.com/google/cadvisor/info/v1"
"github.com/google/cadvisor/info/v2"
"github.com/google/cadvisor/manager"
"github.com/golang/glog"
)
const (
containersApi = "containers"
subcontainersApi = "subcontainers"
machineApi = "machine"
machineStatsApi = "machinestats"
dockerApi = "docker"
summaryApi = "summary"
statsApi = "stats"
specApi = "spec"
eventsApi = "events"
storageApi = "storage"
attributesApi = "attributes"
versionApi = "version"
psApi = "ps"
customMetricsApi = "appmetrics"
)
// Interface for a cAdvisor API version
type ApiVersion interface {
// Returns the version string.
Version() string
// List of supported API endpoints.
SupportedRequestTypes() []string
// Handles a request. The second argument is the parameters after /api/<version>/<endpoint>
HandleRequest(requestType string, request []string, m manager.Manager, w http.ResponseWriter, r *http.Request) error
}
// Gets all supported API versions.
func getApiVersions() []ApiVersion {
v1_0 := &version1_0{}
v1_1 := newVersion1_1(v1_0)
v1_2 := newVersion1_2(v1_1)
v1_3 := newVersion1_3(v1_2)
v2_0 := newVersion2_0()
v2_1 := newVersion2_1(v2_0)
return []ApiVersion{v1_0, v1_1, v1_2, v1_3, v2_0, v2_1}
}
// API v1.0
type version1_0 struct {
}
func (self *version1_0) Version() string {
return "v1.0"
}
func (self *version1_0) SupportedRequestTypes() []string {
return []string{containersApi, machineApi}
}
func (self *version1_0) HandleRequest(requestType string, request []string, m manager.Manager, w http.ResponseWriter, r *http.Request) error {
switch requestType {
case machineApi:
glog.V(4).Infof("Api - Machine")
// Get the MachineInfo
machineInfo, err := m.GetMachineInfo()
if err != nil {
return err
}
err = writeResult(machineInfo, w)
if err != nil {
return err
}
case containersApi:
containerName := getContainerName(request)
glog.V(4).Infof("Api - Container(%s)", containerName)
// Get the query request.
query, err := getContainerInfoRequest(r.Body)
if err != nil {
return err
}
// Get the container.
cont, err := m.GetContainerInfo(containerName, query)
if err != nil {
return fmt.Errorf("failed to get container %q with error: %s", containerName, err)
}
// Only output the container as JSON.
err = writeResult(cont, w)
if err != nil {
return err
}
default:
return fmt.Errorf("unknown request type %q", requestType)
}
return nil
}
// API v1.1
type version1_1 struct {
baseVersion *version1_0
}
// v1.1 builds on v1.0.
func newVersion1_1(v *version1_0) *version1_1 {
return &version1_1{
baseVersion: v,
}
}
func (self *version1_1) Version() string {
return "v1.1"
}
func (self *version1_1) SupportedRequestTypes() []string {
return append(self.baseVersion.SupportedRequestTypes(), subcontainersApi)
}
func (self *version1_1) HandleRequest(requestType string, request []string, m manager.Manager, w http.ResponseWriter, r *http.Request) error {
switch requestType {
case subcontainersApi:
containerName := getContainerName(request)
glog.V(4).Infof("Api - Subcontainers(%s)", containerName)
// Get the query request.
query, err := getContainerInfoRequest(r.Body)
if err != nil {
return err
}
// Get the subcontainers.
containers, err := m.SubcontainersInfo(containerName, query)
if err != nil {
return fmt.Errorf("failed to get subcontainers for container %q with error: %s", containerName, err)
}
// Only output the containers as JSON.
err = writeResult(containers, w)
if err != nil {
return err
}
return nil
default:
return self.baseVersion.HandleRequest(requestType, request, m, w, r)
}
}
// API v1.2
type version1_2 struct {
baseVersion *version1_1
}
// v1.2 builds on v1.1.
func newVersion1_2(v *version1_1) *version1_2 {
return &version1_2{
baseVersion: v,
}
}
func (self *version1_2) Version() string {
return "v1.2"
}
func (self *version1_2) SupportedRequestTypes() []string {
return append(self.baseVersion.SupportedRequestTypes(), dockerApi)
}
func (self *version1_2) HandleRequest(requestType string, request []string, m manager.Manager, w http.ResponseWriter, r *http.Request) error {
switch requestType {
case dockerApi:
glog.V(4).Infof("Api - Docker(%v)", request)
// Get the query request.
query, err := getContainerInfoRequest(r.Body)
if err != nil {
return err
}
var containers map[string]info.ContainerInfo
// map requests for "docker/" to "docker"
if len(request) == 1 && len(request[0]) == 0 {
request = request[:0]
}
switch len(request) {
case 0:
// Get all Docker containers.
containers, err = m.AllDockerContainers(query)
if err != nil {
return fmt.Errorf("failed to get all Docker containers with error: %v", err)
}
case 1:
// Get one Docker container.
var cont info.ContainerInfo
cont, err = m.DockerContainer(request[0], query)
if err != nil {
return fmt.Errorf("failed to get Docker container %q with error: %v", request[0], err)
}
containers = map[string]info.ContainerInfo{
cont.Name: cont,
}
default:
return fmt.Errorf("unknown request for Docker container %v", request)
}
// Only output the containers as JSON.
err = writeResult(containers, w)
if err != nil {
return err
}
return nil
default:
return self.baseVersion.HandleRequest(requestType, request, m, w, r)
}
}
// API v1.3
type version1_3 struct {
baseVersion *version1_2
}
// v1.3 builds on v1.2.
func newVersion1_3(v *version1_2) *version1_3 {
return &version1_3{
baseVersion: v,
}
}
func (self *version1_3) Version() string {
return "v1.3"
}
func (self *version1_3) SupportedRequestTypes() []string {
return append(self.baseVersion.SupportedRequestTypes(), eventsApi)
}
func (self *version1_3) HandleRequest(requestType string, request []string, m manager.Manager, w http.ResponseWriter, r *http.Request) error {
switch requestType {
case eventsApi:
return handleEventRequest(request, m, w, r)
default:
return self.baseVersion.HandleRequest(requestType, request, m, w, r)
}
}
func handleEventRequest(request []string, m manager.Manager, w http.ResponseWriter, r *http.Request) error {
query, stream, err := getEventRequest(r)
if err != nil {
return err
}
query.ContainerName = path.Join("/", getContainerName(request))
glog.V(4).Infof("Api - Events(%v)", query)
if !stream {
pastEvents, err := m.GetPastEvents(query)
if err != nil {
return err
}
return writeResult(pastEvents, w)
}
eventChannel, err := m.WatchForEvents(query)
if err != nil {
return err
}
return streamResults(eventChannel, w, r, m)
}
// API v2.0
type version2_0 struct {
}
func newVersion2_0() *version2_0 {
return &version2_0{}
}
func (self *version2_0) Version() string {
return "v2.0"
}
func (self *version2_0) SupportedRequestTypes() []string {
return []string{versionApi, attributesApi, eventsApi, machineApi, summaryApi, statsApi, specApi, storageApi, psApi, customMetricsApi}
}
func (self *version2_0) HandleRequest(requestType string, request []string, m manager.Manager, w http.ResponseWriter, r *http.Request) error {
opt, err := getRequestOptions(r)
if err != nil {
return err
}
switch requestType {
case versionApi:
glog.V(4).Infof("Api - Version")
versionInfo, err := m.GetVersionInfo()
if err != nil {
return err
}
return writeResult(versionInfo.CadvisorVersion, w)
case attributesApi:
glog.V(4).Info("Api - Attributes")
machineInfo, err := m.GetMachineInfo()
if err != nil {
return err
}
versionInfo, err := m.GetVersionInfo()
if err != nil {
return err
}
info := v2.GetAttributes(machineInfo, versionInfo)
return writeResult(info, w)
case machineApi:
glog.V(4).Info("Api - Machine")
// TODO(rjnagal): Move machineInfo from v1.
machineInfo, err := m.GetMachineInfo()
if err != nil {
return err
}
return writeResult(machineInfo, w)
case summaryApi:
containerName := getContainerName(request)
glog.V(4).Infof("Api - Summary for container %q, options %+v", containerName, opt)
stats, err := m.GetDerivedStats(containerName, opt)
if err != nil {
return err
}
return writeResult(stats, w)
case statsApi:
name := getContainerName(request)
glog.V(4).Infof("Api - Stats: Looking for stats for container %q, options %+v", name, opt)
infos, err := m.GetRequestedContainersInfo(name, opt)
if err != nil {
return err
}
contStats := make(map[string][]v2.DeprecatedContainerStats, 0)
for name, cinfo := range infos {
contStats[name] = v2.DeprecatedStatsFromV1(cinfo)
}
return writeResult(contStats, w)
case customMetricsApi:
containerName := getContainerName(request)
glog.V(4).Infof("Api - Custom Metrics: Looking for metrics for container %q, options %+v", containerName, opt)
infos, err := m.GetContainerInfoV2(containerName, opt)
if err != nil {
return err
}
contMetrics := make(map[string]map[string]map[string][]info.MetricValBasic, 0)
for _, cinfo := range infos {
metrics := make(map[string]map[string][]info.MetricValBasic, 0)
for _, contStat := range cinfo.Stats {
if len(contStat.CustomMetrics) == 0 {
continue
}
for name, allLabels := range contStat.CustomMetrics {
metricLabels := make(map[string][]info.MetricValBasic, 0)
for _, metric := range allLabels {
if !metric.Timestamp.IsZero() {
metVal := info.MetricValBasic{
Timestamp: metric.Timestamp,
IntValue: metric.IntValue,
FloatValue: metric.FloatValue,
}
labels := metrics[name]
if labels != nil {
values := labels[metric.Label]
values = append(values, metVal)
labels[metric.Label] = values
metrics[name] = labels
} else {
metricLabels[metric.Label] = []info.MetricValBasic{metVal}
metrics[name] = metricLabels
}
}
}
}
}
contMetrics[containerName] = metrics
}
return writeResult(contMetrics, w)
case specApi:
containerName := getContainerName(request)
glog.V(4).Infof("Api - Spec for container %q, options %+v", containerName, opt)
specs, err := m.GetContainerSpec(containerName, opt)
if err != nil {
return err
}
return writeResult(specs, w)
case storageApi:
var err error
fi := []v2.FsInfo{}
label := r.URL.Query().Get("label")
if len(label) == 0 {
// Get all global filesystems info.
fi, err = m.GetFsInfo("")
if err != nil {
return err
}
} else {
// Get a specific label.
fi, err = m.GetFsInfo(label)
if err != nil {
return err
}
}
return writeResult(fi, w)
case eventsApi:
return handleEventRequest(request, m, w, r)
case psApi:
// reuse container type from request.
// ignore recursive.
// TODO(rjnagal): consider count to limit ps output.
name := getContainerName(request)
glog.V(4).Infof("Api - Spec for container %q, options %+v", name, opt)
ps, err := m.GetProcessList(name, opt)
if err != nil {
return fmt.Errorf("process listing failed: %v", err)
}
return writeResult(ps, w)
default:
return fmt.Errorf("unknown request type %q", requestType)
}
}
type version2_1 struct {
baseVersion *version2_0
}
func newVersion2_1(v *version2_0) *version2_1 {
return &version2_1{
baseVersion: v,
}
}
func (self *version2_1) Version() string {
return "v2.1"
}
func (self *version2_1) SupportedRequestTypes() []string {
return append([]string{machineStatsApi}, self.baseVersion.SupportedRequestTypes()...)
}
func (self *version2_1) HandleRequest(requestType string, request []string, m manager.Manager, w http.ResponseWriter, r *http.Request) error {
// Get the query request.
opt, err := getRequestOptions(r)
if err != nil {
return err
}
switch requestType {
case machineStatsApi:
glog.V(4).Infof("Api - MachineStats(%v)", request)
cont, err := m.GetRequestedContainersInfo("/", opt)
if err != nil {
return err
}
return writeResult(v2.MachineStatsFromV1(cont["/"]), w)
case statsApi:
name := getContainerName(request)
glog.V(4).Infof("Api - Stats: Looking for stats for container %q, options %+v", name, opt)
conts, err := m.GetRequestedContainersInfo(name, opt)
if err != nil {
return err
}
contStats := make(map[string]v2.ContainerInfo, len(conts))
for name, cont := range conts {
if name == "/" {
// Root cgroup stats should be exposed as machine stats
continue
}
contStats[name] = v2.ContainerInfo{
Spec: v2.ContainerSpecFromV1(&cont.Spec, cont.Aliases, cont.Namespace),
Stats: v2.ContainerStatsFromV1(&cont.Spec, cont.Stats),
}
}
return writeResult(contStats, w)
default:
return self.baseVersion.HandleRequest(requestType, request, m, w, r)
}
}
func getRequestOptions(r *http.Request) (v2.RequestOptions, error) {
supportedTypes := map[string]bool{
v2.TypeName: true,
v2.TypeDocker: true,
}
// fill in the defaults.
opt := v2.RequestOptions{
IdType: v2.TypeName,
Count: 64,
Recursive: false,
}
idType := r.URL.Query().Get("type")
if len(idType) != 0 {
if !supportedTypes[idType] {
return opt, fmt.Errorf("unknown 'type' %q", idType)
}
opt.IdType = idType
}
count := r.URL.Query().Get("count")
if len(count) != 0 {
n, err := strconv.ParseUint(count, 10, 32)
if err != nil {
return opt, fmt.Errorf("failed to parse 'count' option: %v", count)
}
opt.Count = int(n)
}
recursive := r.URL.Query().Get("recursive")
if recursive == "true" {
opt.Recursive = true
}
return opt, nil
}

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@@ -0,0 +1,139 @@
// Copyright 2014 Google Inc. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package memory
import (
"fmt"
"sync"
"time"
info "github.com/google/cadvisor/info/v1"
"github.com/google/cadvisor/storage"
"github.com/google/cadvisor/utils"
"github.com/golang/glog"
)
// TODO(vmarmol): See about refactoring this class, we have an unecessary redirection of containerCache and InMemoryCache.
// containerCache is used to store per-container information
type containerCache struct {
ref info.ContainerReference
recentStats *utils.TimedStore
maxAge time.Duration
lock sync.RWMutex
}
func (self *containerCache) AddStats(stats *info.ContainerStats) error {
self.lock.Lock()
defer self.lock.Unlock()
// Add the stat to storage.
self.recentStats.Add(stats.Timestamp, stats)
return nil
}
func (self *containerCache) RecentStats(start, end time.Time, maxStats int) ([]*info.ContainerStats, error) {
self.lock.RLock()
defer self.lock.RUnlock()
result := self.recentStats.InTimeRange(start, end, maxStats)
converted := make([]*info.ContainerStats, len(result))
for i, el := range result {
converted[i] = el.(*info.ContainerStats)
}
return converted, nil
}
func newContainerStore(ref info.ContainerReference, maxAge time.Duration) *containerCache {
return &containerCache{
ref: ref,
recentStats: utils.NewTimedStore(maxAge, -1),
maxAge: maxAge,
}
}
type InMemoryCache struct {
lock sync.RWMutex
containerCacheMap map[string]*containerCache
maxAge time.Duration
backend storage.StorageDriver
}
func (self *InMemoryCache) AddStats(ref info.ContainerReference, stats *info.ContainerStats) error {
var cstore *containerCache
var ok bool
func() {
self.lock.Lock()
defer self.lock.Unlock()
if cstore, ok = self.containerCacheMap[ref.Name]; !ok {
cstore = newContainerStore(ref, self.maxAge)
self.containerCacheMap[ref.Name] = cstore
}
}()
if self.backend != nil {
// TODO(monnand): To deal with long delay write operations, we
// may want to start a pool of goroutines to do write
// operations.
if err := self.backend.AddStats(ref, stats); err != nil {
glog.Error(err)
}
}
return cstore.AddStats(stats)
}
func (self *InMemoryCache) RecentStats(name string, start, end time.Time, maxStats int) ([]*info.ContainerStats, error) {
var cstore *containerCache
var ok bool
err := func() error {
self.lock.RLock()
defer self.lock.RUnlock()
if cstore, ok = self.containerCacheMap[name]; !ok {
return fmt.Errorf("unable to find data for container %v", name)
}
return nil
}()
if err != nil {
return nil, err
}
return cstore.RecentStats(start, end, maxStats)
}
func (self *InMemoryCache) Close() error {
self.lock.Lock()
self.containerCacheMap = make(map[string]*containerCache, 32)
self.lock.Unlock()
return nil
}
func (self *InMemoryCache) RemoveContainer(containerName string) error {
self.lock.Lock()
delete(self.containerCacheMap, containerName)
self.lock.Unlock()
return nil
}
func New(
maxAge time.Duration,
backend storage.StorageDriver,
) *InMemoryCache {
ret := &InMemoryCache{
containerCacheMap: make(map[string]*containerCache, 32),
maxAge: maxAge,
backend: backend,
}
return ret
}

View File

@@ -0,0 +1,109 @@
// Copyright 2015 Google Inc. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package collector
import (
"fmt"
"strings"
"time"
"github.com/google/cadvisor/info/v1"
)
const metricLabelPrefix = "io.cadvisor.metric."
type GenericCollectorManager struct {
Collectors []*collectorData
NextCollectionTime time.Time
}
type collectorData struct {
collector Collector
nextCollectionTime time.Time
}
// Returns a new CollectorManager that is thread-compatible.
func NewCollectorManager() (CollectorManager, error) {
return &GenericCollectorManager{
Collectors: []*collectorData{},
NextCollectionTime: time.Now(),
}, nil
}
func GetCollectorConfigs(labels map[string]string) map[string]string {
configs := map[string]string{}
for k, v := range labels {
if strings.HasPrefix(k, metricLabelPrefix) {
name := strings.TrimPrefix(k, metricLabelPrefix)
configs[name] = v
}
}
return configs
}
func (cm *GenericCollectorManager) RegisterCollector(collector Collector) error {
cm.Collectors = append(cm.Collectors, &collectorData{
collector: collector,
nextCollectionTime: time.Now(),
})
return nil
}
func (cm *GenericCollectorManager) GetSpec() ([]v1.MetricSpec, error) {
metricSpec := []v1.MetricSpec{}
for _, c := range cm.Collectors {
specs := c.collector.GetSpec()
metricSpec = append(metricSpec, specs...)
}
return metricSpec, nil
}
func (cm *GenericCollectorManager) Collect() (time.Time, map[string][]v1.MetricVal, error) {
var errors []error
// Collect from all collectors that are ready.
var next time.Time
metrics := map[string][]v1.MetricVal{}
for _, c := range cm.Collectors {
if c.nextCollectionTime.Before(time.Now()) {
var err error
c.nextCollectionTime, metrics, err = c.collector.Collect(metrics)
if err != nil {
errors = append(errors, err)
}
}
// Keep track of the next collector that will be ready.
if next.IsZero() || next.After(c.nextCollectionTime) {
next = c.nextCollectionTime
}
}
cm.NextCollectionTime = next
return next, metrics, compileErrors(errors)
}
// Make an error slice into a single error.
func compileErrors(errors []error) error {
if len(errors) == 0 {
return nil
}
res := make([]string, len(errors))
for i := range errors {
res[i] = fmt.Sprintf("Error %d: %v", i, errors[i].Error())
}
return fmt.Errorf("%s", strings.Join(res, ","))
}

62
vendor/github.com/google/cadvisor/collector/config.go generated vendored Normal file
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// Copyright 2015 Google Inc. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package collector
import (
"time"
"github.com/google/cadvisor/info/v1"
)
type Config struct {
//the endpoint to hit to scrape metrics
Endpoint string `json:"endpoint"`
//holds information about different metrics that can be collected
MetricsConfig []MetricConfig `json:"metrics_config"`
}
// metricConfig holds information extracted from the config file about a metric
type MetricConfig struct {
//the name of the metric
Name string `json:"name"`
//enum type for the metric type
MetricType v1.MetricType `json:"metric_type"`
// metric units to display on UI and in storage (eg: MB, cores)
// this is only used for display.
Units string `json:"units"`
//data type of the metric (eg: int, float)
DataType v1.DataType `json:"data_type"`
//the frequency at which the metric should be collected
PollingFrequency time.Duration `json:"polling_frequency"`
//the regular expression that can be used to extract the metric
Regex string `json:"regex"`
}
type Prometheus struct {
//the endpoint to hit to scrape metrics
Endpoint string `json:"endpoint"`
//the frequency at which metrics should be collected
PollingFrequency time.Duration `json:"polling_frequency"`
//holds names of different metrics that can be collected
MetricsConfig []string `json:"metrics_config"`
}

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@@ -0,0 +1,34 @@
{
"endpoint" : "http://localhost:8000/nginx_status",
"metrics_config" : [
{ "name" : "activeConnections",
"metric_type" : "gauge",
"units" : "number of active connections",
"data_type" : "int",
"polling_frequency" : 10,
"regex" : "Active connections: ([0-9]+)"
},
{ "name" : "reading",
"metric_type" : "gauge",
"units" : "number of reading connections",
"data_type" : "int",
"polling_frequency" : 10,
"regex" : "Reading: ([0-9]+) .*"
},
{ "name" : "writing",
"metric_type" : "gauge",
"data_type" : "int",
"units" : "number of writing connections",
"polling_frequency" : 10,
"regex" : ".*Writing: ([0-9]+).*"
},
{ "name" : "waiting",
"metric_type" : "gauge",
"units" : "number of waiting connections",
"data_type" : "int",
"polling_frequency" : 10,
"regex" : ".*Waiting: ([0-9]+)"
}
]
}

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@@ -0,0 +1,6 @@
{
"endpoint" : "http://localhost:8080/metrics",
"polling_frequency" : 10,
"metrics_config" : [
]
}

View File

@@ -0,0 +1,9 @@
{
"endpoint" : "http://localhost:8080/metrics",
"polling_frequency" : 10,
"metrics_config" : [
"go_goroutines",
"qps"
]
}

37
vendor/github.com/google/cadvisor/collector/fakes.go generated vendored Normal file
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@@ -0,0 +1,37 @@
// Copyright 2015 Google Inc. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package collector
import (
"time"
"github.com/google/cadvisor/info/v1"
)
type FakeCollectorManager struct {
}
func (fkm *FakeCollectorManager) RegisterCollector(collector Collector) error {
return nil
}
func (fkm *FakeCollectorManager) GetSpec() ([]v1.MetricSpec, error) {
return []v1.MetricSpec{}, nil
}
func (fkm *FakeCollectorManager) Collect(metric map[string][]v1.MetricVal) (time.Time, map[string][]v1.MetricVal, error) {
var zero time.Time
return zero, metric, nil
}

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@@ -0,0 +1,176 @@
// Copyright 2015 Google Inc. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package collector
import (
"encoding/json"
"fmt"
"io/ioutil"
"net/http"
"regexp"
"strconv"
"strings"
"time"
"github.com/google/cadvisor/info/v1"
)
type GenericCollector struct {
//name of the collector
name string
//holds information extracted from the config file for a collector
configFile Config
//holds information necessary to extract metrics
info *collectorInfo
}
type collectorInfo struct {
//minimum polling frequency among all metrics
minPollingFrequency time.Duration
//regular expresssions for all metrics
regexps []*regexp.Regexp
// Limit for the number of srcaped metrics. If the count is higher,
// no metrics will be returned.
metricCountLimit int
}
//Returns a new collector using the information extracted from the configfile
func NewCollector(collectorName string, configFile []byte, metricCountLimit int) (*GenericCollector, error) {
var configInJSON Config
err := json.Unmarshal(configFile, &configInJSON)
if err != nil {
return nil, err
}
//TODO : Add checks for validity of config file (eg : Accurate JSON fields)
if len(configInJSON.MetricsConfig) == 0 {
return nil, fmt.Errorf("No metrics provided in config")
}
minPollFrequency := time.Duration(0)
regexprs := make([]*regexp.Regexp, len(configInJSON.MetricsConfig))
for ind, metricConfig := range configInJSON.MetricsConfig {
// Find the minimum specified polling frequency in metric config.
if metricConfig.PollingFrequency != 0 {
if minPollFrequency == 0 || metricConfig.PollingFrequency < minPollFrequency {
minPollFrequency = metricConfig.PollingFrequency
}
}
regexprs[ind], err = regexp.Compile(metricConfig.Regex)
if err != nil {
return nil, fmt.Errorf("Invalid regexp %v for metric %v", metricConfig.Regex, metricConfig.Name)
}
}
// Minimum supported polling frequency is 1s.
minSupportedFrequency := 1 * time.Second
if minPollFrequency < minSupportedFrequency {
minPollFrequency = minSupportedFrequency
}
if len(configInJSON.MetricsConfig) > metricCountLimit {
return nil, fmt.Errorf("Too many metrics defined: %d limit: %d", len(configInJSON.MetricsConfig), metricCountLimit)
}
return &GenericCollector{
name: collectorName,
configFile: configInJSON,
info: &collectorInfo{
minPollingFrequency: minPollFrequency,
regexps: regexprs,
metricCountLimit: metricCountLimit,
},
}, nil
}
//Returns name of the collector
func (collector *GenericCollector) Name() string {
return collector.name
}
func (collector *GenericCollector) configToSpec(config MetricConfig) v1.MetricSpec {
return v1.MetricSpec{
Name: config.Name,
Type: config.MetricType,
Format: config.DataType,
Units: config.Units,
}
}
func (collector *GenericCollector) GetSpec() []v1.MetricSpec {
specs := []v1.MetricSpec{}
for _, metricConfig := range collector.configFile.MetricsConfig {
spec := collector.configToSpec(metricConfig)
specs = append(specs, spec)
}
return specs
}
//Returns collected metrics and the next collection time of the collector
func (collector *GenericCollector) Collect(metrics map[string][]v1.MetricVal) (time.Time, map[string][]v1.MetricVal, error) {
currentTime := time.Now()
nextCollectionTime := currentTime.Add(time.Duration(collector.info.minPollingFrequency))
uri := collector.configFile.Endpoint
response, err := http.Get(uri)
if err != nil {
return nextCollectionTime, nil, err
}
defer response.Body.Close()
pageContent, err := ioutil.ReadAll(response.Body)
if err != nil {
return nextCollectionTime, nil, err
}
var errorSlice []error
for ind, metricConfig := range collector.configFile.MetricsConfig {
matchString := collector.info.regexps[ind].FindStringSubmatch(string(pageContent))
if matchString != nil {
if metricConfig.DataType == v1.FloatType {
regVal, err := strconv.ParseFloat(strings.TrimSpace(matchString[1]), 64)
if err != nil {
errorSlice = append(errorSlice, err)
}
metrics[metricConfig.Name] = []v1.MetricVal{
{FloatValue: regVal, Timestamp: currentTime},
}
} else if metricConfig.DataType == v1.IntType {
regVal, err := strconv.ParseInt(strings.TrimSpace(matchString[1]), 10, 64)
if err != nil {
errorSlice = append(errorSlice, err)
}
metrics[metricConfig.Name] = []v1.MetricVal{
{IntValue: regVal, Timestamp: currentTime},
}
} else {
errorSlice = append(errorSlice, fmt.Errorf("Unexpected value of 'data_type' for metric '%v' in config ", metricConfig.Name))
}
} else {
errorSlice = append(errorSlice, fmt.Errorf("No match found for regexp: %v for metric '%v' in config", metricConfig.Regex, metricConfig.Name))
}
}
return nextCollectionTime, metrics, compileErrors(errorSlice)
}

View File

@@ -0,0 +1,212 @@
// Copyright 2015 Google Inc. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package collector
import (
"encoding/json"
"fmt"
"io/ioutil"
"math"
"net/http"
"strconv"
"strings"
"time"
"github.com/google/cadvisor/info/v1"
)
type PrometheusCollector struct {
//name of the collector
name string
//rate at which metrics are collected
pollingFrequency time.Duration
//holds information extracted from the config file for a collector
configFile Prometheus
// the metrics to gather (uses a map as a set)
metricsSet map[string]bool
// Limit for the number of scaped metrics. If the count is higher,
// no metrics will be returned.
metricCountLimit int
}
//Returns a new collector using the information extracted from the configfile
func NewPrometheusCollector(collectorName string, configFile []byte, metricCountLimit int) (*PrometheusCollector, error) {
var configInJSON Prometheus
err := json.Unmarshal(configFile, &configInJSON)
if err != nil {
return nil, err
}
minPollingFrequency := configInJSON.PollingFrequency
// Minimum supported frequency is 1s
minSupportedFrequency := 1 * time.Second
if minPollingFrequency < minSupportedFrequency {
minPollingFrequency = minSupportedFrequency
}
if metricCountLimit < 0 {
return nil, fmt.Errorf("Metric count limit must be greater than 0")
}
var metricsSet map[string]bool
if len(configInJSON.MetricsConfig) > 0 {
metricsSet = make(map[string]bool, len(configInJSON.MetricsConfig))
for _, name := range configInJSON.MetricsConfig {
metricsSet[name] = true
}
}
if len(configInJSON.MetricsConfig) > metricCountLimit {
return nil, fmt.Errorf("Too many metrics defined: %d limit %d", len(configInJSON.MetricsConfig), metricCountLimit)
}
//TODO : Add checks for validity of config file (eg : Accurate JSON fields)
return &PrometheusCollector{
name: collectorName,
pollingFrequency: minPollingFrequency,
configFile: configInJSON,
metricsSet: metricsSet,
metricCountLimit: metricCountLimit,
}, nil
}
//Returns name of the collector
func (collector *PrometheusCollector) Name() string {
return collector.name
}
func getMetricData(line string) string {
fields := strings.Fields(line)
data := fields[3]
if len(fields) > 4 {
for i := range fields {
if i > 3 {
data = data + "_" + fields[i]
}
}
}
return strings.TrimSpace(data)
}
func (collector *PrometheusCollector) GetSpec() []v1.MetricSpec {
specs := []v1.MetricSpec{}
response, err := http.Get(collector.configFile.Endpoint)
if err != nil {
return specs
}
defer response.Body.Close()
pageContent, err := ioutil.ReadAll(response.Body)
if err != nil {
return specs
}
lines := strings.Split(string(pageContent), "\n")
for i, line := range lines {
if strings.HasPrefix(line, "# HELP") {
stopIndex := strings.Index(lines[i+2], "{")
if stopIndex == -1 {
stopIndex = strings.Index(lines[i+2], " ")
}
name := strings.TrimSpace(lines[i+2][0:stopIndex])
if _, ok := collector.metricsSet[name]; collector.metricsSet != nil && !ok {
continue
}
spec := v1.MetricSpec{
Name: name,
Type: v1.MetricType(getMetricData(lines[i+1])),
Format: "float",
Units: getMetricData(lines[i]),
}
specs = append(specs, spec)
}
}
return specs
}
//Returns collected metrics and the next collection time of the collector
func (collector *PrometheusCollector) Collect(metrics map[string][]v1.MetricVal) (time.Time, map[string][]v1.MetricVal, error) {
currentTime := time.Now()
nextCollectionTime := currentTime.Add(time.Duration(collector.pollingFrequency))
uri := collector.configFile.Endpoint
response, err := http.Get(uri)
if err != nil {
return nextCollectionTime, nil, err
}
defer response.Body.Close()
pageContent, err := ioutil.ReadAll(response.Body)
if err != nil {
return nextCollectionTime, nil, err
}
var errorSlice []error
lines := strings.Split(string(pageContent), "\n")
newMetrics := make(map[string][]v1.MetricVal)
for _, line := range lines {
if line == "" {
break
}
if !strings.HasPrefix(line, "# HELP") && !strings.HasPrefix(line, "# TYPE") {
var metLabel string
startLabelIndex := strings.Index(line, "{")
spaceIndex := strings.Index(line, " ")
if startLabelIndex == -1 {
startLabelIndex = spaceIndex
}
metName := strings.TrimSpace(line[0:startLabelIndex])
if _, ok := collector.metricsSet[metName]; collector.metricsSet != nil && !ok {
continue
}
if startLabelIndex+1 <= spaceIndex-1 {
metLabel = strings.TrimSpace(line[(startLabelIndex + 1):(spaceIndex - 1)])
}
metVal, err := strconv.ParseFloat(line[spaceIndex+1:], 64)
if err != nil {
errorSlice = append(errorSlice, err)
}
if math.IsNaN(metVal) {
metVal = 0
}
metric := v1.MetricVal{
Label: metLabel,
FloatValue: metVal,
Timestamp: currentTime,
}
newMetrics[metName] = append(newMetrics[metName], metric)
if len(newMetrics) > collector.metricCountLimit {
return nextCollectionTime, nil, fmt.Errorf("too many metrics to collect")
}
}
}
for key, val := range newMetrics {
metrics[key] = append(metrics[key], val...)
}
return nextCollectionTime, metrics, compileErrors(errorSlice)
}

53
vendor/github.com/google/cadvisor/collector/types.go generated vendored Normal file
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@@ -0,0 +1,53 @@
// Copyright 2015 Google Inc. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package collector
import (
"time"
"github.com/google/cadvisor/info/v1"
)
// TODO(vmarmol): Export to a custom metrics type when that is available.
// Metric collector.
type Collector interface {
// Collect metrics from this collector.
// Returns the next time this collector should be collected from.
// Next collection time is always returned, even when an error occurs.
// A collection time of zero means no more collection.
Collect(map[string][]v1.MetricVal) (time.Time, map[string][]v1.MetricVal, error)
// Return spec for all metrics associated with this collector
GetSpec() []v1.MetricSpec
// Name of this collector.
Name() string
}
// Manages and runs collectors.
type CollectorManager interface {
// Register a collector.
RegisterCollector(collector Collector) error
// Collect from collectors that are ready and return the next time
// at which a collector will be ready to collect from.
// Next collection time is always returned, even when an error occurs.
// A collection time of zero means no more collection.
Collect() (time.Time, map[string][]v1.MetricVal, error)
// Get metric spec from all registered collectors.
GetSpec() ([]v1.MetricSpec, error)
}

View File

@@ -0,0 +1,61 @@
// Copyright 2014 Google Inc. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// Unmarshal's a Containers description json file. The json file contains
// an array of ContainerHint structs, each with a container's id and networkInterface
// This allows collecting stats about network interfaces configured outside docker
// and lxc
package common
import (
"encoding/json"
"flag"
"io/ioutil"
"os"
)
var ArgContainerHints = flag.String("container_hints", "/etc/cadvisor/container_hints.json", "location of the container hints file")
type containerHints struct {
AllHosts []containerHint `json:"all_hosts,omitempty"`
}
type containerHint struct {
FullName string `json:"full_path,omitempty"`
NetworkInterface *networkInterface `json:"network_interface,omitempty"`
Mounts []Mount `json:"mounts,omitempty"`
}
type Mount struct {
HostDir string `json:"host_dir,omitempty"`
ContainerDir string `json:"container_dir,omitempty"`
}
type networkInterface struct {
VethHost string `json:"veth_host,omitempty"`
VethChild string `json:"veth_child,omitempty"`
}
func GetContainerHintsFromFile(containerHintsFile string) (containerHints, error) {
dat, err := ioutil.ReadFile(containerHintsFile)
if os.IsNotExist(err) {
return containerHints{}, nil
}
var cHints containerHints
if err == nil {
err = json.Unmarshal(dat, &cHints)
}
return cHints, err
}

View File

@@ -0,0 +1,134 @@
// Copyright 2015 Google Inc. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// Handler for Docker containers.
package common
import (
"sync"
"time"
"github.com/google/cadvisor/fs"
"github.com/golang/glog"
)
type FsHandler interface {
Start()
Usage() (baseUsageBytes uint64, totalUsageBytes uint64)
Stop()
}
type realFsHandler struct {
sync.RWMutex
lastUpdate time.Time
usageBytes uint64
baseUsageBytes uint64
period time.Duration
minPeriod time.Duration
rootfs string
extraDir string
fsInfo fs.FsInfo
// Tells the container to stop.
stopChan chan struct{}
}
const (
longDu = time.Second
duTimeout = time.Minute
maxDuBackoffFactor = 20
)
var _ FsHandler = &realFsHandler{}
func NewFsHandler(period time.Duration, rootfs, extraDir string, fsInfo fs.FsInfo) FsHandler {
return &realFsHandler{
lastUpdate: time.Time{},
usageBytes: 0,
baseUsageBytes: 0,
period: period,
minPeriod: period,
rootfs: rootfs,
extraDir: extraDir,
fsInfo: fsInfo,
stopChan: make(chan struct{}, 1),
}
}
func (fh *realFsHandler) update() error {
var (
baseUsage, extraDirUsage uint64
err error
)
// TODO(vishh): Add support for external mounts.
if fh.rootfs != "" {
baseUsage, err = fh.fsInfo.GetDirUsage(fh.rootfs, duTimeout)
if err != nil {
return err
}
}
if fh.extraDir != "" {
extraDirUsage, err = fh.fsInfo.GetDirUsage(fh.extraDir, duTimeout)
if err != nil {
return err
}
}
fh.Lock()
defer fh.Unlock()
fh.lastUpdate = time.Now()
fh.usageBytes = baseUsage + extraDirUsage
fh.baseUsageBytes = baseUsage
return nil
}
func (fh *realFsHandler) trackUsage() {
fh.update()
for {
select {
case <-fh.stopChan:
return
case <-time.After(fh.period):
start := time.Now()
if err := fh.update(); err != nil {
glog.Errorf("failed to collect filesystem stats - %v", err)
fh.period = fh.period * 2
if fh.period > maxDuBackoffFactor*fh.minPeriod {
fh.period = maxDuBackoffFactor * fh.minPeriod
}
} else {
fh.period = fh.minPeriod
}
duration := time.Since(start)
if duration > longDu {
glog.V(2).Infof("`du` on following dirs took %v: %v", duration, []string{fh.rootfs, fh.extraDir})
}
}
}
}
func (fh *realFsHandler) Start() {
go fh.trackUsage()
}
func (fh *realFsHandler) Stop() {
close(fh.stopChan)
}
func (fh *realFsHandler) Usage() (baseUsageBytes, totalUsageBytes uint64) {
fh.RLock()
defer fh.RUnlock()
return fh.baseUsageBytes, fh.usageBytes
}

View File

@@ -0,0 +1,203 @@
// Copyright 2016 Google Inc. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package common
import (
"fmt"
"io/ioutil"
"os"
"path"
"strconv"
"strings"
"time"
info "github.com/google/cadvisor/info/v1"
"github.com/google/cadvisor/utils"
"github.com/golang/glog"
)
func DebugInfo(watches map[string][]string) map[string][]string {
out := make(map[string][]string)
lines := make([]string, 0, len(watches))
for containerName, cgroupWatches := range watches {
lines = append(lines, fmt.Sprintf("%s:", containerName))
for _, cg := range cgroupWatches {
lines = append(lines, fmt.Sprintf("\t%s", cg))
}
}
out["Inotify watches"] = lines
return out
}
func GetSpec(cgroupPaths map[string]string, machineInfoFactory info.MachineInfoFactory, hasNetwork, hasFilesystem bool) (info.ContainerSpec, error) {
var spec info.ContainerSpec
// Assume unified hierarchy containers.
// Get the lowest creation time from all hierarchies as the container creation time.
now := time.Now()
lowestTime := now
for _, cgroupPath := range cgroupPaths {
// The modified time of the cgroup directory changes whenever a subcontainer is created.
// eg. /docker will have creation time matching the creation of latest docker container.
// Use clone_children as a workaround as it isn't usually modified. It is only likely changed
// immediately after creating a container.
cgroupPath = path.Join(cgroupPath, "cgroup.clone_children")
fi, err := os.Stat(cgroupPath)
if err == nil && fi.ModTime().Before(lowestTime) {
lowestTime = fi.ModTime()
}
}
if lowestTime != now {
spec.CreationTime = lowestTime
}
// Get machine info.
mi, err := machineInfoFactory.GetMachineInfo()
if err != nil {
return spec, err
}
// CPU.
cpuRoot, ok := cgroupPaths["cpu"]
if ok {
if utils.FileExists(cpuRoot) {
spec.HasCpu = true
spec.Cpu.Limit = readUInt64(cpuRoot, "cpu.shares")
spec.Cpu.Period = readUInt64(cpuRoot, "cpu.cfs_period_us")
quota := readString(cpuRoot, "cpu.cfs_quota_us")
if quota != "" && quota != "-1" {
val, err := strconv.ParseUint(quota, 10, 64)
if err != nil {
glog.Errorf("GetSpec: Failed to parse CPUQuota from %q: %s", path.Join(cpuRoot, "cpu.cfs_quota_us"), err)
}
spec.Cpu.Quota = val
}
}
}
// Cpu Mask.
// This will fail for non-unified hierarchies. We'll return the whole machine mask in that case.
cpusetRoot, ok := cgroupPaths["cpuset"]
if ok {
if utils.FileExists(cpusetRoot) {
spec.HasCpu = true
mask := readString(cpusetRoot, "cpuset.cpus")
spec.Cpu.Mask = utils.FixCpuMask(mask, mi.NumCores)
}
}
// Memory
memoryRoot, ok := cgroupPaths["memory"]
if ok {
if utils.FileExists(memoryRoot) {
spec.HasMemory = true
spec.Memory.Limit = readUInt64(memoryRoot, "memory.limit_in_bytes")
spec.Memory.SwapLimit = readUInt64(memoryRoot, "memory.memsw.limit_in_bytes")
}
}
spec.HasNetwork = hasNetwork
spec.HasFilesystem = hasFilesystem
if blkioRoot, ok := cgroupPaths["blkio"]; ok && utils.FileExists(blkioRoot) {
spec.HasDiskIo = true
}
return spec, nil
}
func readString(dirpath string, file string) string {
cgroupFile := path.Join(dirpath, file)
// Ignore non-existent files
if !utils.FileExists(cgroupFile) {
return ""
}
// Read
out, err := ioutil.ReadFile(cgroupFile)
if err != nil {
glog.Errorf("readString: Failed to read %q: %s", cgroupFile, err)
return ""
}
return strings.TrimSpace(string(out))
}
func readUInt64(dirpath string, file string) uint64 {
out := readString(dirpath, file)
if out == "" {
return 0
}
val, err := strconv.ParseUint(out, 10, 64)
if err != nil {
glog.Errorf("readUInt64: Failed to parse int %q from file %q: %s", out, path.Join(dirpath, file), err)
return 0
}
return val
}
// Lists all directories under "path" and outputs the results as children of "parent".
func ListDirectories(dirpath string, parent string, recursive bool, output map[string]struct{}) error {
// Ignore if this hierarchy does not exist.
if !utils.FileExists(dirpath) {
return nil
}
entries, err := ioutil.ReadDir(dirpath)
if err != nil {
return err
}
for _, entry := range entries {
// We only grab directories.
if entry.IsDir() {
name := path.Join(parent, entry.Name())
output[name] = struct{}{}
// List subcontainers if asked to.
if recursive {
err := ListDirectories(path.Join(dirpath, entry.Name()), name, true, output)
if err != nil {
return err
}
}
}
}
return nil
}
func MakeCgroupPaths(mountPoints map[string]string, name string) map[string]string {
cgroupPaths := make(map[string]string, len(mountPoints))
for key, val := range mountPoints {
cgroupPaths[key] = path.Join(val, name)
}
return cgroupPaths
}
func CgroupExists(cgroupPaths map[string]string) bool {
// If any cgroup exists, the container is still alive.
for _, cgroupPath := range cgroupPaths {
if utils.FileExists(cgroupPath) {
return true
}
}
return false
}

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@@ -0,0 +1,135 @@
// Copyright 2015 Google Inc. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package common
import (
"sync"
"golang.org/x/exp/inotify"
)
// Watcher for container-related inotify events in the cgroup hierarchy.
//
// Implementation is thread-safe.
type InotifyWatcher struct {
// Underlying inotify watcher.
watcher *inotify.Watcher
// Map of containers being watched to cgroup paths watched for that container.
containersWatched map[string]map[string]bool
// Lock for all datastructure access.
lock sync.Mutex
}
func NewInotifyWatcher() (*InotifyWatcher, error) {
w, err := inotify.NewWatcher()
if err != nil {
return nil, err
}
return &InotifyWatcher{
watcher: w,
containersWatched: make(map[string]map[string]bool),
}, nil
}
// Add a watch to the specified directory. Returns if the container was already being watched.
func (iw *InotifyWatcher) AddWatch(containerName, dir string) (bool, error) {
iw.lock.Lock()
defer iw.lock.Unlock()
cgroupsWatched, alreadyWatched := iw.containersWatched[containerName]
// Register an inotify notification.
if !cgroupsWatched[dir] {
err := iw.watcher.AddWatch(dir, inotify.IN_CREATE|inotify.IN_DELETE|inotify.IN_MOVE)
if err != nil {
return alreadyWatched, err
}
if cgroupsWatched == nil {
cgroupsWatched = make(map[string]bool)
}
cgroupsWatched[dir] = true
}
// Record our watching of the container.
if !alreadyWatched {
iw.containersWatched[containerName] = cgroupsWatched
}
return alreadyWatched, nil
}
// Remove watch from the specified directory. Returns if this was the last watch on the specified container.
func (iw *InotifyWatcher) RemoveWatch(containerName, dir string) (bool, error) {
iw.lock.Lock()
defer iw.lock.Unlock()
// If we don't have a watch registed for this, just return.
cgroupsWatched, ok := iw.containersWatched[containerName]
if !ok {
return false, nil
}
// Remove the inotify watch if it exists.
if cgroupsWatched[dir] {
err := iw.watcher.RemoveWatch(dir)
if err != nil {
return false, nil
}
delete(cgroupsWatched, dir)
}
// Remove the record if this is the last watch.
if len(cgroupsWatched) == 0 {
delete(iw.containersWatched, containerName)
return true, nil
}
return false, nil
}
// Errors are returned on this channel.
func (iw *InotifyWatcher) Error() chan error {
return iw.watcher.Error
}
// Events are returned on this channel.
func (iw *InotifyWatcher) Event() chan *inotify.Event {
return iw.watcher.Event
}
// Closes the inotify watcher.
func (iw *InotifyWatcher) Close() error {
return iw.watcher.Close()
}
// Returns a map of containers to the cgroup paths being watched.
func (iw *InotifyWatcher) GetWatches() map[string][]string {
out := make(map[string][]string, len(iw.containersWatched))
for k, v := range iw.containersWatched {
out[k] = mapToSlice(v)
}
return out
}
func mapToSlice(m map[string]bool) []string {
out := make([]string, 0, len(m))
for k := range m {
out = append(out, k)
}
return out
}

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{
"name": "Container Hints",
"description": "Container hints file",
"all_hosts": [
{
"network_interface": {
"veth_child": "eth1",
"veth_host": "veth24031eth1"
},
"mounts": [
{
"host_dir": "/var/run/nm-sdc1",
"container_dir": "/var/run/nm-sdc1",
"permission": "rw"
},
{
"host_dir": "/var/run/nm-sdb3",
"container_dir": "/var/run/nm-sdb3",
"permission": "rw"
},
{
"host_dir": "/var/run/nm-sda3",
"container_dir": "/var/run/nm-sda3",
"permission": "rw"
},
{
"host_dir": "/var/run/netns/root",
"container_dir": "/var/run/netns/root",
"permission": "ro"
},
{
"host_dir": "/var/run/openvswitch/db.sock",
"container_dir": "/var/run/openvswitch/db.sock",
"permission": "rw"
}
],
"full_path": "18a4585950db428e4d5a65c216a5d708d241254709626f4cb300ee963fb4b144"
}
]
}

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@@ -0,0 +1,88 @@
// Copyright 2014 Google Inc. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// Package container defines types for sub-container events and also
// defines an interface for container operation handlers.
package container
import info "github.com/google/cadvisor/info/v1"
// ListType describes whether listing should be just for a
// specific container or performed recursively.
type ListType int
const (
ListSelf ListType = iota
ListRecursive
)
// SubcontainerEventType indicates an addition or deletion event.
type SubcontainerEventType int
const (
SubcontainerAdd SubcontainerEventType = iota
SubcontainerDelete
)
// SubcontainerEvent represents a
type SubcontainerEvent struct {
// The type of event that occurred.
EventType SubcontainerEventType
// The full container name of the container where the event occurred.
Name string
}
// Interface for container operation handlers.
type ContainerHandler interface {
// Returns the ContainerReference
ContainerReference() (info.ContainerReference, error)
// Returns container's isolation spec.
GetSpec() (info.ContainerSpec, error)
// Returns the current stats values of the container.
GetStats() (*info.ContainerStats, error)
// Returns the subcontainers of this container.
ListContainers(listType ListType) ([]info.ContainerReference, error)
// Returns the threads inside this container.
ListThreads(listType ListType) ([]int, error)
// Returns the processes inside this container.
ListProcesses(listType ListType) ([]int, error)
// Registers a channel to listen for events affecting subcontainers (recursively).
WatchSubcontainers(events chan SubcontainerEvent) error
// Stops watching for subcontainer changes.
StopWatchingSubcontainers() error
// Returns absolute cgroup path for the requested resource.
GetCgroupPath(resource string) (string, error)
// Returns container labels, if available.
GetContainerLabels() map[string]string
// Returns whether the container still exists.
Exists() bool
// Cleanup frees up any resources being held like fds or go routines, etc.
Cleanup()
// Start starts any necessary background goroutines - must be cleaned up in Cleanup().
// It is expected that most implementations will be a no-op.
Start()
}

View File

@@ -0,0 +1,37 @@
// Copyright 2015 Google Inc. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// Handler for /validate content.
// Validates cadvisor dependencies - kernel, os, docker setup.
package docker
import (
"sync"
dclient "github.com/fsouza/go-dockerclient"
)
var (
dockerClient *dclient.Client
dockerClientErr error
once sync.Once
)
func Client() (*dclient.Client, error) {
once.Do(func() {
dockerClient, dockerClientErr = dclient.NewClient(*ArgDockerEndpoint)
})
return dockerClient, dockerClientErr
}

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@@ -0,0 +1,222 @@
// Copyright 2014 Google Inc. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package docker
import (
"flag"
"fmt"
"path"
"regexp"
"strconv"
"strings"
"github.com/google/cadvisor/container"
"github.com/google/cadvisor/container/libcontainer"
"github.com/google/cadvisor/fs"
info "github.com/google/cadvisor/info/v1"
docker "github.com/fsouza/go-dockerclient"
"github.com/golang/glog"
)
var ArgDockerEndpoint = flag.String("docker", "unix:///var/run/docker.sock", "docker endpoint")
// The namespace under which Docker aliases are unique.
var DockerNamespace = "docker"
// Basepath to all container specific information that libcontainer stores.
// TODO: Deprecate this flag
var dockerRootDir = flag.String("docker_root", "/var/lib/docker", "Absolute path to the Docker state root directory (default: /var/lib/docker)")
var dockerRunDir = flag.String("docker_run", "/var/run/docker", "Absolute path to the Docker run directory (default: /var/run/docker)")
// Regexp that identifies docker cgroups, containers started with
// --cgroup-parent have another prefix than 'docker'
var dockerCgroupRegexp = regexp.MustCompile(`([a-z0-9]{64})`)
var dockerEnvWhitelist = flag.String("docker_env_metadata_whitelist", "", "a comma-separated list of environment variable keys that needs to be collected for docker containers")
// TODO(vmarmol): Export run dir too for newer Dockers.
// Directory holding Docker container state information.
func DockerStateDir() string {
return libcontainer.DockerStateDir(*dockerRootDir)
}
const (
dockerRootDirKey = "Root Dir"
)
func RootDir() string {
return *dockerRootDir
}
type storageDriver string
const (
// TODO: Add support for devicemapper storage usage.
devicemapperStorageDriver storageDriver = "devicemapper"
aufsStorageDriver storageDriver = "aufs"
overlayStorageDriver storageDriver = "overlay"
zfsStorageDriver storageDriver = "zfs"
)
type dockerFactory struct {
machineInfoFactory info.MachineInfoFactory
storageDriver storageDriver
storageDir string
client *docker.Client
// Information about the mounted cgroup subsystems.
cgroupSubsystems libcontainer.CgroupSubsystems
// Information about mounted filesystems.
fsInfo fs.FsInfo
dockerVersion []int
ignoreMetrics container.MetricSet
}
func (self *dockerFactory) String() string {
return DockerNamespace
}
func (self *dockerFactory) NewContainerHandler(name string, inHostNamespace bool) (handler container.ContainerHandler, err error) {
client, err := Client()
if err != nil {
return
}
metadataEnvs := strings.Split(*dockerEnvWhitelist, ",")
handler, err = newDockerContainerHandler(
client,
name,
self.machineInfoFactory,
self.fsInfo,
self.storageDriver,
self.storageDir,
&self.cgroupSubsystems,
inHostNamespace,
metadataEnvs,
self.dockerVersion,
self.ignoreMetrics,
)
return
}
// Returns the Docker ID from the full container name.
func ContainerNameToDockerId(name string) string {
id := path.Base(name)
if matches := dockerCgroupRegexp.FindStringSubmatch(id); matches != nil {
return matches[1]
}
return id
}
func isContainerName(name string) bool {
return dockerCgroupRegexp.MatchString(path.Base(name))
}
// Docker handles all containers under /docker
func (self *dockerFactory) CanHandleAndAccept(name string) (bool, bool, error) {
// docker factory accepts all containers it can handle.
canAccept := true
if !isContainerName(name) {
return false, canAccept, fmt.Errorf("invalid container name")
}
// Check if the container is known to docker and it is active.
id := ContainerNameToDockerId(name)
// We assume that if Inspect fails then the container is not known to docker.
ctnr, err := self.client.InspectContainer(id)
if err != nil || !ctnr.State.Running {
return false, canAccept, fmt.Errorf("error inspecting container: %v", err)
}
return true, canAccept, nil
}
func (self *dockerFactory) DebugInfo() map[string][]string {
return map[string][]string{}
}
var (
version_regexp_string = `(\d+)\.(\d+)\.(\d+)`
version_re = regexp.MustCompile(version_regexp_string)
)
// TODO: switch to a semantic versioning library.
func parseDockerVersion(full_version_string string) ([]int, error) {
matches := version_re.FindAllStringSubmatch(full_version_string, -1)
if len(matches) != 1 {
return nil, fmt.Errorf("version string \"%v\" doesn't match expected regular expression: \"%v\"", full_version_string, version_regexp_string)
}
version_string_array := matches[0][1:]
version_array := make([]int, 3)
for index, version_string := range version_string_array {
version, err := strconv.Atoi(version_string)
if err != nil {
return nil, fmt.Errorf("error while parsing \"%v\" in \"%v\"", version_string, full_version_string)
}
version_array[index] = version
}
return version_array, nil
}
// Register root container before running this function!
func Register(factory info.MachineInfoFactory, fsInfo fs.FsInfo, ignoreMetrics container.MetricSet) error {
client, err := Client()
if err != nil {
return fmt.Errorf("unable to communicate with docker daemon: %v", err)
}
dockerInfo, err := ValidateInfo()
if err != nil {
return fmt.Errorf("failed to validate Docker info: %v", err)
}
// Version already validated above, assume no error here.
dockerVersion, _ := parseDockerVersion(dockerInfo.ServerVersion)
storageDir := dockerInfo.DockerRootDir
if storageDir == "" {
storageDir = *dockerRootDir
}
cgroupSubsystems, err := libcontainer.GetCgroupSubsystems()
if err != nil {
return fmt.Errorf("failed to get cgroup subsystems: %v", err)
}
glog.Infof("Registering Docker factory")
f := &dockerFactory{
cgroupSubsystems: cgroupSubsystems,
client: client,
dockerVersion: dockerVersion,
fsInfo: fsInfo,
machineInfoFactory: factory,
storageDriver: storageDriver(dockerInfo.Driver),
storageDir: storageDir,
ignoreMetrics: ignoreMetrics,
}
container.RegisterContainerHandlerFactory(f)
return nil
}

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@@ -0,0 +1,411 @@
// Copyright 2014 Google Inc. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// Handler for Docker containers.
package docker
import (
"fmt"
"io/ioutil"
"path"
"strings"
"time"
"github.com/google/cadvisor/container"
"github.com/google/cadvisor/container/common"
containerlibcontainer "github.com/google/cadvisor/container/libcontainer"
"github.com/google/cadvisor/fs"
info "github.com/google/cadvisor/info/v1"
docker "github.com/fsouza/go-dockerclient"
"github.com/opencontainers/runc/libcontainer/cgroups"
cgroupfs "github.com/opencontainers/runc/libcontainer/cgroups/fs"
libcontainerconfigs "github.com/opencontainers/runc/libcontainer/configs"
)
const (
// The read write layers exist here.
aufsRWLayer = "diff"
// Path to the directory where docker stores log files if the json logging driver is enabled.
pathToContainersDir = "containers"
)
type dockerContainerHandler struct {
client *docker.Client
name string
id string
aliases []string
machineInfoFactory info.MachineInfoFactory
// Absolute path to the cgroup hierarchies of this container.
// (e.g.: "cpu" -> "/sys/fs/cgroup/cpu/test")
cgroupPaths map[string]string
// Manager of this container's cgroups.
cgroupManager cgroups.Manager
storageDriver storageDriver
fsInfo fs.FsInfo
rootfsStorageDir string
// Time at which this container was created.
creationTime time.Time
// Metadata associated with the container.
labels map[string]string
envs map[string]string
// The container PID used to switch namespaces as required
pid int
// Image name used for this container.
image string
// The host root FS to read
rootFs string
// The network mode of the container
networkMode string
// Filesystem handler.
fsHandler common.FsHandler
ignoreMetrics container.MetricSet
}
func getRwLayerID(containerID, storageDir string, sd storageDriver, dockerVersion []int) (string, error) {
const (
// Docker version >=1.10.0 have a randomized ID for the root fs of a container.
randomizedRWLayerMinorVersion = 10
rwLayerIDFile = "mount-id"
)
if (dockerVersion[0] <= 1) && (dockerVersion[1] < randomizedRWLayerMinorVersion) {
return containerID, nil
}
bytes, err := ioutil.ReadFile(path.Join(storageDir, "image", string(sd), "layerdb", "mounts", containerID, rwLayerIDFile))
if err != nil {
return "", fmt.Errorf("failed to identify the read-write layer ID for container %q. - %v", containerID, err)
}
return string(bytes), err
}
func newDockerContainerHandler(
client *docker.Client,
name string,
machineInfoFactory info.MachineInfoFactory,
fsInfo fs.FsInfo,
storageDriver storageDriver,
storageDir string,
cgroupSubsystems *containerlibcontainer.CgroupSubsystems,
inHostNamespace bool,
metadataEnvs []string,
dockerVersion []int,
ignoreMetrics container.MetricSet,
) (container.ContainerHandler, error) {
// Create the cgroup paths.
cgroupPaths := make(map[string]string, len(cgroupSubsystems.MountPoints))
for key, val := range cgroupSubsystems.MountPoints {
cgroupPaths[key] = path.Join(val, name)
}
// Generate the equivalent cgroup manager for this container.
cgroupManager := &cgroupfs.Manager{
Cgroups: &libcontainerconfigs.Cgroup{
Name: name,
},
Paths: cgroupPaths,
}
rootFs := "/"
if !inHostNamespace {
rootFs = "/rootfs"
storageDir = path.Join(rootFs, storageDir)
}
id := ContainerNameToDockerId(name)
// Add the Containers dir where the log files are stored.
// FIXME: Give `otherStorageDir` a more descriptive name.
otherStorageDir := path.Join(storageDir, pathToContainersDir, id)
rwLayerID, err := getRwLayerID(id, storageDir, storageDriver, dockerVersion)
if err != nil {
return nil, err
}
var rootfsStorageDir string
switch storageDriver {
case aufsStorageDriver:
rootfsStorageDir = path.Join(storageDir, string(aufsStorageDriver), aufsRWLayer, rwLayerID)
case overlayStorageDriver:
rootfsStorageDir = path.Join(storageDir, string(overlayStorageDriver), rwLayerID)
}
handler := &dockerContainerHandler{
id: id,
client: client,
name: name,
machineInfoFactory: machineInfoFactory,
cgroupPaths: cgroupPaths,
cgroupManager: cgroupManager,
storageDriver: storageDriver,
fsInfo: fsInfo,
rootFs: rootFs,
rootfsStorageDir: rootfsStorageDir,
envs: make(map[string]string),
ignoreMetrics: ignoreMetrics,
}
if !ignoreMetrics.Has(container.DiskUsageMetrics) {
handler.fsHandler = common.NewFsHandler(time.Minute, rootfsStorageDir, otherStorageDir, fsInfo)
}
// We assume that if Inspect fails then the container is not known to docker.
ctnr, err := client.InspectContainer(id)
if err != nil {
return nil, fmt.Errorf("failed to inspect container %q: %v", id, err)
}
handler.creationTime = ctnr.Created
handler.pid = ctnr.State.Pid
// Add the name and bare ID as aliases of the container.
handler.aliases = append(handler.aliases, strings.TrimPrefix(ctnr.Name, "/"), id)
handler.labels = ctnr.Config.Labels
handler.image = ctnr.Config.Image
handler.networkMode = ctnr.HostConfig.NetworkMode
// split env vars to get metadata map.
for _, exposedEnv := range metadataEnvs {
for _, envVar := range ctnr.Config.Env {
splits := strings.SplitN(envVar, "=", 2)
if splits[0] == exposedEnv {
handler.envs[strings.ToLower(exposedEnv)] = splits[1]
}
}
}
return handler, nil
}
func (self *dockerContainerHandler) Start() {
if self.fsHandler != nil {
self.fsHandler.Start()
}
}
func (self *dockerContainerHandler) Cleanup() {
if self.fsHandler != nil {
self.fsHandler.Stop()
}
}
func (self *dockerContainerHandler) ContainerReference() (info.ContainerReference, error) {
return info.ContainerReference{
Id: self.id,
Name: self.name,
Aliases: self.aliases,
Namespace: DockerNamespace,
Labels: self.labels,
}, nil
}
func (self *dockerContainerHandler) needNet() bool {
if !self.ignoreMetrics.Has(container.NetworkUsageMetrics) {
return !strings.HasPrefix(self.networkMode, "container:")
}
return false
}
func (self *dockerContainerHandler) GetSpec() (info.ContainerSpec, error) {
hasFilesystem := !self.ignoreMetrics.Has(container.DiskUsageMetrics)
spec, err := common.GetSpec(self.cgroupPaths, self.machineInfoFactory, self.needNet(), hasFilesystem)
spec.Labels = self.labels
spec.Envs = self.envs
spec.Image = self.image
return spec, err
}
func (self *dockerContainerHandler) getFsStats(stats *info.ContainerStats) error {
if self.ignoreMetrics.Has(container.DiskUsageMetrics) {
return nil
}
switch self.storageDriver {
case aufsStorageDriver, overlayStorageDriver, zfsStorageDriver:
default:
return nil
}
deviceInfo, err := self.fsInfo.GetDirFsDevice(self.rootfsStorageDir)
if err != nil {
return err
}
mi, err := self.machineInfoFactory.GetMachineInfo()
if err != nil {
return err
}
var (
limit uint64
fsType string
)
// Docker does not impose any filesystem limits for containers. So use capacity as limit.
for _, fs := range mi.Filesystems {
if fs.Device == deviceInfo.Device {
limit = fs.Capacity
fsType = fs.Type
break
}
}
fsStat := info.FsStats{Device: deviceInfo.Device, Type: fsType, Limit: limit}
fsStat.BaseUsage, fsStat.Usage = self.fsHandler.Usage()
stats.Filesystem = append(stats.Filesystem, fsStat)
return nil
}
// TODO(vmarmol): Get from libcontainer API instead of cgroup manager when we don't have to support older Dockers.
func (self *dockerContainerHandler) GetStats() (*info.ContainerStats, error) {
stats, err := containerlibcontainer.GetStats(self.cgroupManager, self.rootFs, self.pid, self.ignoreMetrics)
if err != nil {
return stats, err
}
// Clean up stats for containers that don't have their own network - this
// includes containers running in Kubernetes pods that use the network of the
// infrastructure container. This stops metrics being reported multiple times
// for each container in a pod.
if !self.needNet() {
stats.Network = info.NetworkStats{}
}
// Get filesystem stats.
err = self.getFsStats(stats)
if err != nil {
return stats, err
}
return stats, nil
}
func (self *dockerContainerHandler) ListContainers(listType container.ListType) ([]info.ContainerReference, error) {
// No-op for Docker driver.
return []info.ContainerReference{}, nil
}
func (self *dockerContainerHandler) GetCgroupPath(resource string) (string, error) {
path, ok := self.cgroupPaths[resource]
if !ok {
return "", fmt.Errorf("could not find path for resource %q for container %q\n", resource, self.name)
}
return path, nil
}
func (self *dockerContainerHandler) ListThreads(listType container.ListType) ([]int, error) {
// TODO(vmarmol): Implement.
return nil, nil
}
func (self *dockerContainerHandler) GetContainerLabels() map[string]string {
return self.labels
}
func (self *dockerContainerHandler) ListProcesses(listType container.ListType) ([]int, error) {
return containerlibcontainer.GetProcesses(self.cgroupManager)
}
func (self *dockerContainerHandler) WatchSubcontainers(events chan container.SubcontainerEvent) error {
return fmt.Errorf("watch is unimplemented in the Docker container driver")
}
func (self *dockerContainerHandler) StopWatchingSubcontainers() error {
// No-op for Docker driver.
return nil
}
func (self *dockerContainerHandler) Exists() bool {
return common.CgroupExists(self.cgroupPaths)
}
func DockerInfo() (docker.DockerInfo, error) {
client, err := Client()
if err != nil {
return docker.DockerInfo{}, fmt.Errorf("unable to communicate with docker daemon: %v", err)
}
info, err := client.Info()
if err != nil {
return docker.DockerInfo{}, err
}
return *info, nil
}
func DockerImages() ([]docker.APIImages, error) {
client, err := Client()
if err != nil {
return nil, fmt.Errorf("unable to communicate with docker daemon: %v", err)
}
images, err := client.ListImages(docker.ListImagesOptions{All: false})
if err != nil {
return nil, err
}
return images, nil
}
// Checks whether the dockerInfo reflects a valid docker setup, and returns it if it does, or an
// error otherwise.
func ValidateInfo() (*docker.DockerInfo, error) {
client, err := Client()
if err != nil {
return nil, fmt.Errorf("unable to communicate with docker daemon: %v", err)
}
dockerInfo, err := client.Info()
if err != nil {
return nil, fmt.Errorf("failed to detect Docker info: %v", err)
}
// Fall back to version API if ServerVersion is not set in info.
if dockerInfo.ServerVersion == "" {
version, err := client.Version()
if err != nil {
return nil, fmt.Errorf("unable to get docker version: %v", err)
}
dockerInfo.ServerVersion = version.Get("Version")
}
version, err := parseDockerVersion(dockerInfo.ServerVersion)
if err != nil {
return nil, err
}
if version[0] < 1 {
return nil, fmt.Errorf("cAdvisor requires docker version %v or above but we have found version %v reported as %q", []int{1, 0, 0}, version, dockerInfo.ServerVersion)
}
// Check that the libcontainer execdriver is used if the version is < 1.11
// (execution drivers are no longer supported as of 1.11).
if version[0] <= 1 && version[1] <= 10 &&
!strings.HasPrefix(dockerInfo.ExecutionDriver, "native") {
return nil, fmt.Errorf("docker found, but not using native exec driver")
}
if dockerInfo.Driver == "" {
return nil, fmt.Errorf("failed to find docker storage driver")
}
return dockerInfo, nil
}

138
vendor/github.com/google/cadvisor/container/factory.go generated vendored Normal file
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// Copyright 2014 Google Inc. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package container
import (
"fmt"
"sync"
"github.com/golang/glog"
)
type ContainerHandlerFactory interface {
// Create a new ContainerHandler using this factory. CanHandleAndAccept() must have returned true.
NewContainerHandler(name string, inHostNamespace bool) (c ContainerHandler, err error)
// Returns whether this factory can handle and accept the specified container.
CanHandleAndAccept(name string) (handle bool, accept bool, err error)
// Name of the factory.
String() string
// Returns debugging information. Map of lines per category.
DebugInfo() map[string][]string
}
// MetricKind represents the kind of metrics that cAdvisor exposes.
type MetricKind string
const (
CpuUsageMetrics MetricKind = "cpu"
MemoryUsageMetrics MetricKind = "memory"
CpuLoadMetrics MetricKind = "cpuLoad"
DiskIOMetrics MetricKind = "diskIO"
DiskUsageMetrics MetricKind = "disk"
NetworkUsageMetrics MetricKind = "network"
NetworkTcpUsageMetrics MetricKind = "tcp"
AppMetrics MetricKind = "app"
)
func (mk MetricKind) String() string {
return string(mk)
}
type MetricSet map[MetricKind]struct{}
func (ms MetricSet) Has(mk MetricKind) bool {
_, exists := ms[mk]
return exists
}
func (ms MetricSet) Add(mk MetricKind) {
ms[mk] = struct{}{}
}
// TODO(vmarmol): Consider not making this global.
// Global list of factories.
var (
factories []ContainerHandlerFactory
factoriesLock sync.RWMutex
)
// Register a ContainerHandlerFactory. These should be registered from least general to most general
// as they will be asked in order whether they can handle a particular container.
func RegisterContainerHandlerFactory(factory ContainerHandlerFactory) {
factoriesLock.Lock()
defer factoriesLock.Unlock()
factories = append(factories, factory)
}
// Returns whether there are any container handler factories registered.
func HasFactories() bool {
factoriesLock.Lock()
defer factoriesLock.Unlock()
return len(factories) != 0
}
// Create a new ContainerHandler for the specified container.
func NewContainerHandler(name string, inHostNamespace bool) (ContainerHandler, bool, error) {
factoriesLock.RLock()
defer factoriesLock.RUnlock()
// Create the ContainerHandler with the first factory that supports it.
for _, factory := range factories {
canHandle, canAccept, err := factory.CanHandleAndAccept(name)
if err != nil {
glog.V(4).Infof("Error trying to work out if we can handle %s: %v", name, err)
}
if canHandle {
if !canAccept {
glog.V(3).Infof("Factory %q can handle container %q, but ignoring.", factory, name)
return nil, false, nil
}
glog.V(3).Infof("Using factory %q for container %q", factory, name)
handle, err := factory.NewContainerHandler(name, inHostNamespace)
return handle, canAccept, err
} else {
glog.V(4).Infof("Factory %q was unable to handle container %q", factory, name)
}
}
return nil, false, fmt.Errorf("no known factory can handle creation of container")
}
// Clear the known factories.
func ClearContainerHandlerFactories() {
factoriesLock.Lock()
defer factoriesLock.Unlock()
factories = make([]ContainerHandlerFactory, 0, 4)
}
func DebugInfo() map[string][]string {
factoriesLock.RLock()
defer factoriesLock.RUnlock()
// Get debug information for all factories.
out := make(map[string][]string)
for _, factory := range factories {
for k, v := range factory.DebugInfo() {
out[k] = v
}
}
return out
}

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@@ -0,0 +1,449 @@
// Copyright 2014 Google Inc. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package libcontainer
import (
"bufio"
"fmt"
"io/ioutil"
"os"
"path"
"strconv"
"strings"
"time"
"github.com/google/cadvisor/container"
info "github.com/google/cadvisor/info/v1"
"github.com/golang/glog"
"github.com/opencontainers/runc/libcontainer"
"github.com/opencontainers/runc/libcontainer/cgroups"
)
type CgroupSubsystems struct {
// Cgroup subsystem mounts.
// e.g.: "/sys/fs/cgroup/cpu" -> ["cpu", "cpuacct"]
Mounts []cgroups.Mount
// Cgroup subsystem to their mount location.
// e.g.: "cpu" -> "/sys/fs/cgroup/cpu"
MountPoints map[string]string
}
// Get information about the cgroup subsystems.
func GetCgroupSubsystems() (CgroupSubsystems, error) {
// Get all cgroup mounts.
allCgroups, err := cgroups.GetCgroupMounts()
if err != nil {
return CgroupSubsystems{}, err
}
if len(allCgroups) == 0 {
return CgroupSubsystems{}, fmt.Errorf("failed to find cgroup mounts")
}
// Trim the mounts to only the subsystems we care about.
supportedCgroups := make([]cgroups.Mount, 0, len(allCgroups))
mountPoints := make(map[string]string, len(allCgroups))
for _, mount := range allCgroups {
for _, subsystem := range mount.Subsystems {
if _, ok := supportedSubsystems[subsystem]; ok {
supportedCgroups = append(supportedCgroups, mount)
mountPoints[subsystem] = mount.Mountpoint
}
}
}
return CgroupSubsystems{
Mounts: supportedCgroups,
MountPoints: mountPoints,
}, nil
}
// Cgroup subsystems we support listing (should be the minimal set we need stats from).
var supportedSubsystems map[string]struct{} = map[string]struct{}{
"cpu": {},
"cpuacct": {},
"memory": {},
"cpuset": {},
"blkio": {},
}
// Get cgroup and networking stats of the specified container
func GetStats(cgroupManager cgroups.Manager, rootFs string, pid int, ignoreMetrics container.MetricSet) (*info.ContainerStats, error) {
cgroupStats, err := cgroupManager.GetStats()
if err != nil {
return nil, err
}
libcontainerStats := &libcontainer.Stats{
CgroupStats: cgroupStats,
}
stats := toContainerStats(libcontainerStats)
// If we know the pid then get network stats from /proc/<pid>/net/dev
if pid == 0 {
return stats, nil
}
if !ignoreMetrics.Has(container.NetworkUsageMetrics) {
netStats, err := networkStatsFromProc(rootFs, pid)
if err != nil {
glog.V(2).Infof("Unable to get network stats from pid %d: %v", pid, err)
} else {
stats.Network.Interfaces = append(stats.Network.Interfaces, netStats...)
}
}
if !ignoreMetrics.Has(container.NetworkTcpUsageMetrics) {
t, err := tcpStatsFromProc(rootFs, pid, "net/tcp")
if err != nil {
glog.V(2).Infof("Unable to get tcp stats from pid %d: %v", pid, err)
} else {
stats.Network.Tcp = t
}
t6, err := tcpStatsFromProc(rootFs, pid, "net/tcp6")
if err != nil {
glog.V(2).Infof("Unable to get tcp6 stats from pid %d: %v", pid, err)
} else {
stats.Network.Tcp6 = t6
}
}
// For backwards compatibility.
if len(stats.Network.Interfaces) > 0 {
stats.Network.InterfaceStats = stats.Network.Interfaces[0]
}
return stats, nil
}
func networkStatsFromProc(rootFs string, pid int) ([]info.InterfaceStats, error) {
netStatsFile := path.Join(rootFs, "proc", strconv.Itoa(pid), "/net/dev")
ifaceStats, err := scanInterfaceStats(netStatsFile)
if err != nil {
return []info.InterfaceStats{}, fmt.Errorf("couldn't read network stats: %v", err)
}
return ifaceStats, nil
}
var (
ignoredDevicePrefixes = []string{"lo", "veth", "docker"}
)
func isIgnoredDevice(ifName string) bool {
for _, prefix := range ignoredDevicePrefixes {
if strings.HasPrefix(strings.ToLower(ifName), prefix) {
return true
}
}
return false
}
func scanInterfaceStats(netStatsFile string) ([]info.InterfaceStats, error) {
file, err := os.Open(netStatsFile)
if err != nil {
return nil, fmt.Errorf("failure opening %s: %v", netStatsFile, err)
}
defer file.Close()
scanner := bufio.NewScanner(file)
// Discard header lines
for i := 0; i < 2; i++ {
if b := scanner.Scan(); !b {
return nil, scanner.Err()
}
}
stats := []info.InterfaceStats{}
for scanner.Scan() {
line := scanner.Text()
line = strings.Replace(line, ":", "", -1)
fields := strings.Fields(line)
// If the format of the line is invalid then don't trust any of the stats
// in this file.
if len(fields) != 17 {
return nil, fmt.Errorf("invalid interface stats line: %v", line)
}
devName := fields[0]
if isIgnoredDevice(devName) {
continue
}
i := info.InterfaceStats{
Name: devName,
}
statFields := append(fields[1:5], fields[9:13]...)
statPointers := []*uint64{
&i.RxBytes, &i.RxPackets, &i.RxErrors, &i.RxDropped,
&i.TxBytes, &i.TxPackets, &i.TxErrors, &i.TxDropped,
}
err := setInterfaceStatValues(statFields, statPointers)
if err != nil {
return nil, fmt.Errorf("cannot parse interface stats (%v): %v", err, line)
}
stats = append(stats, i)
}
return stats, nil
}
func setInterfaceStatValues(fields []string, pointers []*uint64) error {
for i, v := range fields {
val, err := strconv.ParseUint(v, 10, 64)
if err != nil {
return err
}
*pointers[i] = val
}
return nil
}
func tcpStatsFromProc(rootFs string, pid int, file string) (info.TcpStat, error) {
tcpStatsFile := path.Join(rootFs, "proc", strconv.Itoa(pid), file)
tcpStats, err := scanTcpStats(tcpStatsFile)
if err != nil {
return tcpStats, fmt.Errorf("couldn't read tcp stats: %v", err)
}
return tcpStats, nil
}
func scanTcpStats(tcpStatsFile string) (info.TcpStat, error) {
var stats info.TcpStat
data, err := ioutil.ReadFile(tcpStatsFile)
if err != nil {
return stats, fmt.Errorf("failure opening %s: %v", tcpStatsFile, err)
}
tcpStateMap := map[string]uint64{
"01": 0, //ESTABLISHED
"02": 0, //SYN_SENT
"03": 0, //SYN_RECV
"04": 0, //FIN_WAIT1
"05": 0, //FIN_WAIT2
"06": 0, //TIME_WAIT
"07": 0, //CLOSE
"08": 0, //CLOSE_WAIT
"09": 0, //LAST_ACK
"0A": 0, //LISTEN
"0B": 0, //CLOSING
}
reader := strings.NewReader(string(data))
scanner := bufio.NewScanner(reader)
scanner.Split(bufio.ScanLines)
// Discard header line
if b := scanner.Scan(); !b {
return stats, scanner.Err()
}
for scanner.Scan() {
line := scanner.Text()
state := strings.Fields(line)
// TCP state is the 4th field.
// Format: sl local_address rem_address st tx_queue rx_queue tr tm->when retrnsmt uid timeout inode
tcpState := state[3]
_, ok := tcpStateMap[tcpState]
if !ok {
return stats, fmt.Errorf("invalid TCP stats line: %v", line)
}
tcpStateMap[tcpState]++
}
stats = info.TcpStat{
Established: tcpStateMap["01"],
SynSent: tcpStateMap["02"],
SynRecv: tcpStateMap["03"],
FinWait1: tcpStateMap["04"],
FinWait2: tcpStateMap["05"],
TimeWait: tcpStateMap["06"],
Close: tcpStateMap["07"],
CloseWait: tcpStateMap["08"],
LastAck: tcpStateMap["09"],
Listen: tcpStateMap["0A"],
Closing: tcpStateMap["0B"],
}
return stats, nil
}
func GetProcesses(cgroupManager cgroups.Manager) ([]int, error) {
pids, err := cgroupManager.GetPids()
if err != nil {
return nil, err
}
return pids, nil
}
func DockerStateDir(dockerRoot string) string {
return path.Join(dockerRoot, "containers")
}
func DiskStatsCopy0(major, minor uint64) *info.PerDiskStats {
disk := info.PerDiskStats{
Major: major,
Minor: minor,
}
disk.Stats = make(map[string]uint64)
return &disk
}
type DiskKey struct {
Major uint64
Minor uint64
}
func DiskStatsCopy1(disk_stat map[DiskKey]*info.PerDiskStats) []info.PerDiskStats {
i := 0
stat := make([]info.PerDiskStats, len(disk_stat))
for _, disk := range disk_stat {
stat[i] = *disk
i++
}
return stat
}
func DiskStatsCopy(blkio_stats []cgroups.BlkioStatEntry) (stat []info.PerDiskStats) {
if len(blkio_stats) == 0 {
return
}
disk_stat := make(map[DiskKey]*info.PerDiskStats)
for i := range blkio_stats {
major := blkio_stats[i].Major
minor := blkio_stats[i].Minor
disk_key := DiskKey{
Major: major,
Minor: minor,
}
diskp, ok := disk_stat[disk_key]
if !ok {
diskp = DiskStatsCopy0(major, minor)
disk_stat[disk_key] = diskp
}
op := blkio_stats[i].Op
if op == "" {
op = "Count"
}
diskp.Stats[op] = blkio_stats[i].Value
}
return DiskStatsCopy1(disk_stat)
}
// Convert libcontainer stats to info.ContainerStats.
func toContainerStats0(s *cgroups.Stats, ret *info.ContainerStats) {
ret.Cpu.Usage.User = s.CpuStats.CpuUsage.UsageInUsermode
ret.Cpu.Usage.System = s.CpuStats.CpuUsage.UsageInKernelmode
n := len(s.CpuStats.CpuUsage.PercpuUsage)
ret.Cpu.Usage.PerCpu = make([]uint64, n)
ret.Cpu.Usage.Total = 0
for i := 0; i < n; i++ {
ret.Cpu.Usage.PerCpu[i] = s.CpuStats.CpuUsage.PercpuUsage[i]
ret.Cpu.Usage.Total += s.CpuStats.CpuUsage.PercpuUsage[i]
}
}
func toContainerStats1(s *cgroups.Stats, ret *info.ContainerStats) {
ret.DiskIo.IoServiceBytes = DiskStatsCopy(s.BlkioStats.IoServiceBytesRecursive)
ret.DiskIo.IoServiced = DiskStatsCopy(s.BlkioStats.IoServicedRecursive)
ret.DiskIo.IoQueued = DiskStatsCopy(s.BlkioStats.IoQueuedRecursive)
ret.DiskIo.Sectors = DiskStatsCopy(s.BlkioStats.SectorsRecursive)
ret.DiskIo.IoServiceTime = DiskStatsCopy(s.BlkioStats.IoServiceTimeRecursive)
ret.DiskIo.IoWaitTime = DiskStatsCopy(s.BlkioStats.IoWaitTimeRecursive)
ret.DiskIo.IoMerged = DiskStatsCopy(s.BlkioStats.IoMergedRecursive)
ret.DiskIo.IoTime = DiskStatsCopy(s.BlkioStats.IoTimeRecursive)
}
func toContainerStats2(s *cgroups.Stats, ret *info.ContainerStats) {
ret.Memory.Usage = s.MemoryStats.Usage.Usage
ret.Memory.Failcnt = s.MemoryStats.Usage.Failcnt
ret.Memory.Cache = s.MemoryStats.Stats["cache"]
ret.Memory.RSS = s.MemoryStats.Stats["rss"]
if v, ok := s.MemoryStats.Stats["pgfault"]; ok {
ret.Memory.ContainerData.Pgfault = v
ret.Memory.HierarchicalData.Pgfault = v
}
if v, ok := s.MemoryStats.Stats["pgmajfault"]; ok {
ret.Memory.ContainerData.Pgmajfault = v
ret.Memory.HierarchicalData.Pgmajfault = v
}
if v, ok := s.MemoryStats.Stats["total_inactive_anon"]; ok {
workingSet := ret.Memory.Usage
if workingSet < v {
workingSet = 0
} else {
workingSet -= v
}
if v, ok := s.MemoryStats.Stats["total_inactive_file"]; ok {
if workingSet < v {
workingSet = 0
} else {
workingSet -= v
}
}
ret.Memory.WorkingSet = workingSet
}
}
func toContainerStats3(libcontainerStats *libcontainer.Stats, ret *info.ContainerStats) {
ret.Network.Interfaces = make([]info.InterfaceStats, len(libcontainerStats.Interfaces))
for i := range libcontainerStats.Interfaces {
ret.Network.Interfaces[i] = info.InterfaceStats{
Name: libcontainerStats.Interfaces[i].Name,
RxBytes: libcontainerStats.Interfaces[i].RxBytes,
RxPackets: libcontainerStats.Interfaces[i].RxPackets,
RxErrors: libcontainerStats.Interfaces[i].RxErrors,
RxDropped: libcontainerStats.Interfaces[i].RxDropped,
TxBytes: libcontainerStats.Interfaces[i].TxBytes,
TxPackets: libcontainerStats.Interfaces[i].TxPackets,
TxErrors: libcontainerStats.Interfaces[i].TxErrors,
TxDropped: libcontainerStats.Interfaces[i].TxDropped,
}
}
// Add to base struct for backwards compatibility.
if len(ret.Network.Interfaces) > 0 {
ret.Network.InterfaceStats = ret.Network.Interfaces[0]
}
}
func toContainerStats(libcontainerStats *libcontainer.Stats) *info.ContainerStats {
s := libcontainerStats.CgroupStats
ret := new(info.ContainerStats)
ret.Timestamp = time.Now()
if s != nil {
toContainerStats0(s, ret)
toContainerStats1(s, ret)
toContainerStats2(s, ret)
}
if len(libcontainerStats.Interfaces) > 0 {
toContainerStats3(libcontainerStats, ret)
}
return ret
}

129
vendor/github.com/google/cadvisor/container/mock.go generated vendored Normal file
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// Copyright 2014 Google Inc. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// +build test
package container
import (
info "github.com/google/cadvisor/info/v1"
"github.com/stretchr/testify/mock"
)
// This struct mocks a container handler.
type MockContainerHandler struct {
mock.Mock
Name string
Aliases []string
}
func NewMockContainerHandler(containerName string) *MockContainerHandler {
return &MockContainerHandler{
Name: containerName,
}
}
// If self.Name is not empty, then ContainerReference() will return self.Name and self.Aliases.
// Otherwise, it will use the value provided by .On().Return().
func (self *MockContainerHandler) ContainerReference() (info.ContainerReference, error) {
if len(self.Name) > 0 {
var aliases []string
if len(self.Aliases) > 0 {
aliases = make([]string, len(self.Aliases))
copy(aliases, self.Aliases)
}
return info.ContainerReference{
Name: self.Name,
Aliases: aliases,
}, nil
}
args := self.Called()
return args.Get(0).(info.ContainerReference), args.Error(1)
}
func (self *MockContainerHandler) Start() {}
func (self *MockContainerHandler) Cleanup() {}
func (self *MockContainerHandler) GetSpec() (info.ContainerSpec, error) {
args := self.Called()
return args.Get(0).(info.ContainerSpec), args.Error(1)
}
func (self *MockContainerHandler) GetStats() (*info.ContainerStats, error) {
args := self.Called()
return args.Get(0).(*info.ContainerStats), args.Error(1)
}
func (self *MockContainerHandler) ListContainers(listType ListType) ([]info.ContainerReference, error) {
args := self.Called(listType)
return args.Get(0).([]info.ContainerReference), args.Error(1)
}
func (self *MockContainerHandler) ListThreads(listType ListType) ([]int, error) {
args := self.Called(listType)
return args.Get(0).([]int), args.Error(1)
}
func (self *MockContainerHandler) ListProcesses(listType ListType) ([]int, error) {
args := self.Called(listType)
return args.Get(0).([]int), args.Error(1)
}
func (self *MockContainerHandler) WatchSubcontainers(events chan SubcontainerEvent) error {
args := self.Called(events)
return args.Error(0)
}
func (self *MockContainerHandler) StopWatchingSubcontainers() error {
args := self.Called()
return args.Error(0)
}
func (self *MockContainerHandler) Exists() bool {
args := self.Called()
return args.Get(0).(bool)
}
func (self *MockContainerHandler) GetCgroupPath(path string) (string, error) {
args := self.Called(path)
return args.Get(0).(string), args.Error(1)
}
func (self *MockContainerHandler) GetContainerLabels() map[string]string {
args := self.Called()
return args.Get(0).(map[string]string)
}
type FactoryForMockContainerHandler struct {
Name string
PrepareContainerHandlerFunc func(name string, handler *MockContainerHandler)
}
func (self *FactoryForMockContainerHandler) String() string {
return self.Name
}
func (self *FactoryForMockContainerHandler) NewContainerHandler(name string, inHostNamespace bool) (ContainerHandler, error) {
handler := &MockContainerHandler{}
if self.PrepareContainerHandlerFunc != nil {
self.PrepareContainerHandlerFunc(name, handler)
}
return handler, nil
}
func (self *FactoryForMockContainerHandler) CanHandle(name string) bool {
return true
}

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@@ -0,0 +1,95 @@
// Copyright 2014 Google Inc. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package raw
import (
"flag"
"fmt"
"github.com/google/cadvisor/container"
"github.com/google/cadvisor/container/common"
"github.com/google/cadvisor/container/libcontainer"
"github.com/google/cadvisor/fs"
info "github.com/google/cadvisor/info/v1"
"github.com/golang/glog"
)
var dockerOnly = flag.Bool("docker_only", false, "Only report docker containers in addition to root stats")
type rawFactory struct {
// Factory for machine information.
machineInfoFactory info.MachineInfoFactory
// Information about the cgroup subsystems.
cgroupSubsystems *libcontainer.CgroupSubsystems
// Information about mounted filesystems.
fsInfo fs.FsInfo
// Watcher for inotify events.
watcher *common.InotifyWatcher
// List of metrics to be ignored.
ignoreMetrics map[container.MetricKind]struct{}
}
func (self *rawFactory) String() string {
return "raw"
}
func (self *rawFactory) NewContainerHandler(name string, inHostNamespace bool) (container.ContainerHandler, error) {
rootFs := "/"
if !inHostNamespace {
rootFs = "/rootfs"
}
return newRawContainerHandler(name, self.cgroupSubsystems, self.machineInfoFactory, self.fsInfo, self.watcher, rootFs, self.ignoreMetrics)
}
// The raw factory can handle any container. If --docker_only is set to false, non-docker containers are ignored.
func (self *rawFactory) CanHandleAndAccept(name string) (bool, bool, error) {
accept := name == "/" || !*dockerOnly
return true, accept, nil
}
func (self *rawFactory) DebugInfo() map[string][]string {
return common.DebugInfo(self.watcher.GetWatches())
}
func Register(machineInfoFactory info.MachineInfoFactory, fsInfo fs.FsInfo, ignoreMetrics map[container.MetricKind]struct{}) error {
cgroupSubsystems, err := libcontainer.GetCgroupSubsystems()
if err != nil {
return fmt.Errorf("failed to get cgroup subsystems: %v", err)
}
if len(cgroupSubsystems.Mounts) == 0 {
return fmt.Errorf("failed to find supported cgroup mounts for the raw factory")
}
watcher, err := common.NewInotifyWatcher()
if err != nil {
return err
}
glog.Infof("Registering Raw factory")
factory := &rawFactory{
machineInfoFactory: machineInfoFactory,
fsInfo: fsInfo,
cgroupSubsystems: &cgroupSubsystems,
watcher: watcher,
ignoreMetrics: ignoreMetrics,
}
container.RegisterContainerHandlerFactory(factory)
return nil
}

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// Copyright 2014 Google Inc. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// Handler for "raw" containers.
package raw
import (
"fmt"
"io/ioutil"
"path"
"strings"
"github.com/google/cadvisor/container"
"github.com/google/cadvisor/container/common"
"github.com/google/cadvisor/container/libcontainer"
"github.com/google/cadvisor/fs"
info "github.com/google/cadvisor/info/v1"
"github.com/google/cadvisor/utils/machine"
"github.com/golang/glog"
"github.com/opencontainers/runc/libcontainer/cgroups"
cgroupfs "github.com/opencontainers/runc/libcontainer/cgroups/fs"
"github.com/opencontainers/runc/libcontainer/configs"
"golang.org/x/exp/inotify"
)
type rawContainerHandler struct {
// Name of the container for this handler.
name string
cgroupSubsystems *libcontainer.CgroupSubsystems
machineInfoFactory info.MachineInfoFactory
// Inotify event watcher.
watcher *common.InotifyWatcher
// Signal for watcher thread to stop.
stopWatcher chan error
// Absolute path to the cgroup hierarchies of this container.
// (e.g.: "cpu" -> "/sys/fs/cgroup/cpu/test")
cgroupPaths map[string]string
// Manager of this container's cgroups.
cgroupManager cgroups.Manager
fsInfo fs.FsInfo
externalMounts []common.Mount
rootFs string
// Metrics to be ignored.
ignoreMetrics container.MetricSet
pid int
}
func isRootCgroup(name string) bool {
return name == "/"
}
func newRawContainerHandler(name string, cgroupSubsystems *libcontainer.CgroupSubsystems, machineInfoFactory info.MachineInfoFactory, fsInfo fs.FsInfo, watcher *common.InotifyWatcher, rootFs string, ignoreMetrics container.MetricSet) (container.ContainerHandler, error) {
cgroupPaths := common.MakeCgroupPaths(cgroupSubsystems.MountPoints, name)
cHints, err := common.GetContainerHintsFromFile(*common.ArgContainerHints)
if err != nil {
return nil, err
}
// Generate the equivalent cgroup manager for this container.
cgroupManager := &cgroupfs.Manager{
Cgroups: &configs.Cgroup{
Name: name,
},
Paths: cgroupPaths,
}
var externalMounts []common.Mount
for _, container := range cHints.AllHosts {
if name == container.FullName {
externalMounts = container.Mounts
break
}
}
pid := 0
if isRootCgroup(name) {
pid = 1
}
return &rawContainerHandler{
name: name,
cgroupSubsystems: cgroupSubsystems,
machineInfoFactory: machineInfoFactory,
stopWatcher: make(chan error),
cgroupPaths: cgroupPaths,
cgroupManager: cgroupManager,
fsInfo: fsInfo,
externalMounts: externalMounts,
watcher: watcher,
rootFs: rootFs,
ignoreMetrics: ignoreMetrics,
pid: pid,
}, nil
}
func (self *rawContainerHandler) ContainerReference() (info.ContainerReference, error) {
// We only know the container by its one name.
return info.ContainerReference{
Name: self.name,
}, nil
}
func (self *rawContainerHandler) GetRootNetworkDevices() ([]info.NetInfo, error) {
nd := []info.NetInfo{}
if isRootCgroup(self.name) {
mi, err := self.machineInfoFactory.GetMachineInfo()
if err != nil {
return nd, err
}
return mi.NetworkDevices, nil
}
return nd, nil
}
// Nothing to start up.
func (self *rawContainerHandler) Start() {}
// Nothing to clean up.
func (self *rawContainerHandler) Cleanup() {}
func (self *rawContainerHandler) GetSpec() (info.ContainerSpec, error) {
const hasNetwork = false
hasFilesystem := isRootCgroup(self.name) || len(self.externalMounts) > 0
spec, err := common.GetSpec(self.cgroupPaths, self.machineInfoFactory, hasNetwork, hasFilesystem)
if err != nil {
return spec, err
}
if isRootCgroup(self.name) {
// Check physical network devices for root container.
nd, err := self.GetRootNetworkDevices()
if err != nil {
return spec, err
}
spec.HasNetwork = spec.HasNetwork || len(nd) != 0
// Get memory and swap limits of the running machine
memLimit, err := machine.GetMachineMemoryCapacity()
if err != nil {
glog.Warningf("failed to obtain memory limit for machine container")
spec.HasMemory = false
} else {
spec.Memory.Limit = uint64(memLimit)
// Spec is marked to have memory only if the memory limit is set
spec.HasMemory = true
}
swapLimit, err := machine.GetMachineSwapCapacity()
if err != nil {
glog.Warningf("failed to obtain swap limit for machine container")
} else {
spec.Memory.SwapLimit = uint64(swapLimit)
}
}
return spec, nil
}
func (self *rawContainerHandler) getFsStats(stats *info.ContainerStats) error {
// Get Filesystem information only for the root cgroup.
if isRootCgroup(self.name) {
filesystems, err := self.fsInfo.GetGlobalFsInfo()
if err != nil {
return err
}
for _, fs := range filesystems {
stats.Filesystem = append(stats.Filesystem,
info.FsStats{
Device: fs.Device,
Type: fs.Type.String(),
Limit: fs.Capacity,
Usage: fs.Capacity - fs.Free,
Available: fs.Available,
InodesFree: fs.InodesFree,
ReadsCompleted: fs.DiskStats.ReadsCompleted,
ReadsMerged: fs.DiskStats.ReadsMerged,
SectorsRead: fs.DiskStats.SectorsRead,
ReadTime: fs.DiskStats.ReadTime,
WritesCompleted: fs.DiskStats.WritesCompleted,
WritesMerged: fs.DiskStats.WritesMerged,
SectorsWritten: fs.DiskStats.SectorsWritten,
WriteTime: fs.DiskStats.WriteTime,
IoInProgress: fs.DiskStats.IoInProgress,
IoTime: fs.DiskStats.IoTime,
WeightedIoTime: fs.DiskStats.WeightedIoTime,
})
}
} else if len(self.externalMounts) > 0 {
var mountSet map[string]struct{}
mountSet = make(map[string]struct{})
for _, mount := range self.externalMounts {
mountSet[mount.HostDir] = struct{}{}
}
filesystems, err := self.fsInfo.GetFsInfoForPath(mountSet)
if err != nil {
return err
}
for _, fs := range filesystems {
stats.Filesystem = append(stats.Filesystem,
info.FsStats{
Device: fs.Device,
Type: fs.Type.String(),
Limit: fs.Capacity,
Usage: fs.Capacity - fs.Free,
InodesFree: fs.InodesFree,
ReadsCompleted: fs.DiskStats.ReadsCompleted,
ReadsMerged: fs.DiskStats.ReadsMerged,
SectorsRead: fs.DiskStats.SectorsRead,
ReadTime: fs.DiskStats.ReadTime,
WritesCompleted: fs.DiskStats.WritesCompleted,
WritesMerged: fs.DiskStats.WritesMerged,
SectorsWritten: fs.DiskStats.SectorsWritten,
WriteTime: fs.DiskStats.WriteTime,
IoInProgress: fs.DiskStats.IoInProgress,
IoTime: fs.DiskStats.IoTime,
WeightedIoTime: fs.DiskStats.WeightedIoTime,
})
}
}
return nil
}
func (self *rawContainerHandler) GetStats() (*info.ContainerStats, error) {
stats, err := libcontainer.GetStats(self.cgroupManager, self.rootFs, self.pid, self.ignoreMetrics)
if err != nil {
return stats, err
}
// Get filesystem stats.
err = self.getFsStats(stats)
if err != nil {
return stats, err
}
return stats, nil
}
func (self *rawContainerHandler) GetCgroupPath(resource string) (string, error) {
path, ok := self.cgroupPaths[resource]
if !ok {
return "", fmt.Errorf("could not find path for resource %q for container %q\n", resource, self.name)
}
return path, nil
}
func (self *rawContainerHandler) GetContainerLabels() map[string]string {
return map[string]string{}
}
func (self *rawContainerHandler) ListContainers(listType container.ListType) ([]info.ContainerReference, error) {
containers := make(map[string]struct{})
for _, cgroupPath := range self.cgroupPaths {
err := common.ListDirectories(cgroupPath, self.name, listType == container.ListRecursive, containers)
if err != nil {
return nil, err
}
}
// Make into container references.
ret := make([]info.ContainerReference, 0, len(containers))
for cont := range containers {
ret = append(ret, info.ContainerReference{
Name: cont,
})
}
return ret, nil
}
func (self *rawContainerHandler) ListThreads(listType container.ListType) ([]int, error) {
// TODO(vmarmol): Implement
return nil, nil
}
func (self *rawContainerHandler) ListProcesses(listType container.ListType) ([]int, error) {
return libcontainer.GetProcesses(self.cgroupManager)
}
// Watches the specified directory and all subdirectories. Returns whether the path was
// already being watched and an error (if any).
func (self *rawContainerHandler) watchDirectory(dir string, containerName string) (bool, error) {
alreadyWatching, err := self.watcher.AddWatch(containerName, dir)
if err != nil {
return alreadyWatching, err
}
// Remove the watch if further operations failed.
cleanup := true
defer func() {
if cleanup {
_, err := self.watcher.RemoveWatch(containerName, dir)
if err != nil {
glog.Warningf("Failed to remove inotify watch for %q: %v", dir, err)
}
}
}()
// TODO(vmarmol): We should re-do this once we're done to ensure directories were not added in the meantime.
// Watch subdirectories as well.
entries, err := ioutil.ReadDir(dir)
if err != nil {
return alreadyWatching, err
}
for _, entry := range entries {
if entry.IsDir() {
// TODO(vmarmol): We don't have to fail here, maybe we can recover and try to get as many registrations as we can.
_, err = self.watchDirectory(path.Join(dir, entry.Name()), path.Join(containerName, entry.Name()))
if err != nil {
return alreadyWatching, err
}
}
}
cleanup = false
return alreadyWatching, nil
}
func (self *rawContainerHandler) processEvent(event *inotify.Event, events chan container.SubcontainerEvent) error {
// Convert the inotify event type to a container create or delete.
var eventType container.SubcontainerEventType
switch {
case (event.Mask & inotify.IN_CREATE) > 0:
eventType = container.SubcontainerAdd
case (event.Mask & inotify.IN_DELETE) > 0:
eventType = container.SubcontainerDelete
case (event.Mask & inotify.IN_MOVED_FROM) > 0:
eventType = container.SubcontainerDelete
case (event.Mask & inotify.IN_MOVED_TO) > 0:
eventType = container.SubcontainerAdd
default:
// Ignore other events.
return nil
}
// Derive the container name from the path name.
var containerName string
for _, mount := range self.cgroupSubsystems.Mounts {
mountLocation := path.Clean(mount.Mountpoint) + "/"
if strings.HasPrefix(event.Name, mountLocation) {
containerName = event.Name[len(mountLocation)-1:]
break
}
}
if containerName == "" {
return fmt.Errorf("unable to detect container from watch event on directory %q", event.Name)
}
// Maintain the watch for the new or deleted container.
switch {
case eventType == container.SubcontainerAdd:
// New container was created, watch it.
alreadyWatched, err := self.watchDirectory(event.Name, containerName)
if err != nil {
return err
}
// Only report container creation once.
if alreadyWatched {
return nil
}
case eventType == container.SubcontainerDelete:
// Container was deleted, stop watching for it.
lastWatched, err := self.watcher.RemoveWatch(containerName, event.Name)
if err != nil {
return err
}
// Only report container deletion once.
if !lastWatched {
return nil
}
default:
return fmt.Errorf("unknown event type %v", eventType)
}
// Deliver the event.
events <- container.SubcontainerEvent{
EventType: eventType,
Name: containerName,
}
return nil
}
func (self *rawContainerHandler) WatchSubcontainers(events chan container.SubcontainerEvent) error {
// Watch this container (all its cgroups) and all subdirectories.
for _, cgroupPath := range self.cgroupPaths {
_, err := self.watchDirectory(cgroupPath, self.name)
if err != nil {
return err
}
}
// Process the events received from the kernel.
go func() {
for {
select {
case event := <-self.watcher.Event():
err := self.processEvent(event, events)
if err != nil {
glog.Warningf("Error while processing event (%+v): %v", event, err)
}
case err := <-self.watcher.Error():
glog.Warningf("Error while watching %q:", self.name, err)
case <-self.stopWatcher:
err := self.watcher.Close()
if err == nil {
self.stopWatcher <- err
return
}
}
}
}()
return nil
}
func (self *rawContainerHandler) StopWatchingSubcontainers() error {
// Rendezvous with the watcher thread.
self.stopWatcher <- nil
return <-self.stopWatcher
}
func (self *rawContainerHandler) Exists() bool {
return common.CgroupExists(self.cgroupPaths)
}

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// Copyright 2016 Google Inc. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package rkt
import (
"fmt"
"net"
"sync"
"time"
rktapi "github.com/coreos/rkt/api/v1alpha"
"golang.org/x/net/context"
"google.golang.org/grpc"
)
const (
defaultRktAPIServiceAddr = "localhost:15441"
timeout = 2 * time.Second
)
var (
rktClient rktapi.PublicAPIClient
rktClientErr error
once sync.Once
)
func Client() (rktapi.PublicAPIClient, error) {
once.Do(func() {
conn, err := net.DialTimeout("tcp", defaultRktAPIServiceAddr, timeout)
if err != nil {
rktClient = nil
rktClientErr = fmt.Errorf("rkt: cannot tcp Dial rkt api service: %v", err)
return
}
conn.Close()
apisvcConn, err := grpc.Dial(defaultRktAPIServiceAddr, grpc.WithInsecure(), grpc.WithTimeout(timeout))
if err != nil {
rktClient = nil
rktClientErr = fmt.Errorf("rkt: cannot grpc Dial rkt api service: %v", err)
return
}
rktClient = rktapi.NewPublicAPIClient(apisvcConn)
})
return rktClient, rktClientErr
}
func RktPath() (string, error) {
client, err := Client()
if err != nil {
return "", err
}
resp, err := client.GetInfo(context.Background(), &rktapi.GetInfoRequest{})
if err != nil {
return "", fmt.Errorf("couldn't GetInfo from rkt api service: %v", err)
}
return resp.Info.GlobalFlags.Dir, nil
}

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// Copyright 2016 Google Inc. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package rkt
import (
"fmt"
"strings"
"github.com/google/cadvisor/container"
"github.com/google/cadvisor/container/libcontainer"
"github.com/google/cadvisor/fs"
info "github.com/google/cadvisor/info/v1"
"github.com/golang/glog"
)
const RktNamespace = "rkt"
type rktFactory struct {
machineInfoFactory info.MachineInfoFactory
cgroupSubsystems *libcontainer.CgroupSubsystems
fsInfo fs.FsInfo
ignoreMetrics container.MetricSet
rktPath string
}
func (self *rktFactory) String() string {
return "rkt"
}
func (self *rktFactory) NewContainerHandler(name string, inHostNamespace bool) (container.ContainerHandler, error) {
client, err := Client()
if err != nil {
return nil, err
}
rootFs := "/"
if !inHostNamespace {
rootFs = "/rootfs"
}
return newRktContainerHandler(name, client, self.rktPath, self.cgroupSubsystems, self.machineInfoFactory, self.fsInfo, rootFs, self.ignoreMetrics)
}
func (self *rktFactory) CanHandleAndAccept(name string) (bool, bool, error) {
// will ignore all cgroup names that don't either correspond to the machine.slice that is the pod or the containers that belong to the pod
// only works for machined rkt pods at the moment
if strings.HasPrefix(name, "/machine.slice/machine-rkt\\x2d") {
accept, err := verifyName(name)
return true, accept, err
}
return false, false, fmt.Errorf("%s not handled by rkt handler", name)
}
func (self *rktFactory) DebugInfo() map[string][]string {
return map[string][]string{}
}
func Register(machineInfoFactory info.MachineInfoFactory, fsInfo fs.FsInfo, ignoreMetrics container.MetricSet) error {
_, err := Client()
if err != nil {
return fmt.Errorf("unable to communicate with Rkt api service: %v", err)
}
rktPath, err := RktPath()
if err != nil {
return fmt.Errorf("unable to get the RktPath variable %v", err)
}
cgroupSubsystems, err := libcontainer.GetCgroupSubsystems()
if err != nil {
return fmt.Errorf("failed to get cgroup subsystems: %v", err)
}
if len(cgroupSubsystems.Mounts) == 0 {
return fmt.Errorf("failed to find supported cgroup mounts for the raw factory")
}
glog.Infof("Registering Rkt factory")
factory := &rktFactory{
machineInfoFactory: machineInfoFactory,
fsInfo: fsInfo,
cgroupSubsystems: &cgroupSubsystems,
ignoreMetrics: ignoreMetrics,
rktPath: rktPath,
}
container.RegisterContainerHandlerFactory(factory)
return nil
}

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// Copyright 2016 Google Inc. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// Handler for "rkt" containers.
package rkt
import (
"fmt"
"os"
"path"
"time"
rktapi "github.com/coreos/rkt/api/v1alpha"
"github.com/google/cadvisor/container"
"github.com/google/cadvisor/container/common"
"github.com/google/cadvisor/container/libcontainer"
"github.com/google/cadvisor/fs"
info "github.com/google/cadvisor/info/v1"
"golang.org/x/net/context"
"github.com/golang/glog"
"github.com/opencontainers/runc/libcontainer/cgroups"
cgroupfs "github.com/opencontainers/runc/libcontainer/cgroups/fs"
"github.com/opencontainers/runc/libcontainer/configs"
)
type rktContainerHandler struct {
rktClient rktapi.PublicAPIClient
// Name of the container for this handler.
name string
cgroupSubsystems *libcontainer.CgroupSubsystems
machineInfoFactory info.MachineInfoFactory
// Absolute path to the cgroup hierarchies of this container.
// (e.g.: "cpu" -> "/sys/fs/cgroup/cpu/test")
cgroupPaths map[string]string
// Manager of this container's cgroups.
cgroupManager cgroups.Manager
// Whether this container has network isolation enabled.
hasNetwork bool
fsInfo fs.FsInfo
rootFs string
isPod bool
aliases []string
pid int
rootfsStorageDir string
labels map[string]string
// Filesystem handler.
fsHandler common.FsHandler
ignoreMetrics container.MetricSet
apiPod *rktapi.Pod
}
func newRktContainerHandler(name string, rktClient rktapi.PublicAPIClient, rktPath string, cgroupSubsystems *libcontainer.CgroupSubsystems, machineInfoFactory info.MachineInfoFactory, fsInfo fs.FsInfo, rootFs string, ignoreMetrics container.MetricSet) (container.ContainerHandler, error) {
aliases := make([]string, 1)
isPod := false
apiPod := &rktapi.Pod{}
parsed, err := parseName(name)
if err != nil {
return nil, fmt.Errorf("this should be impossible!, new handler failing, but factory allowed, name = %s", name)
}
//rktnetes uses containerID: rkt://fff40827-b994-4e3a-8f88-6427c2c8a5ac:nginx
if parsed.Container == "" {
isPod = true
aliases = append(aliases, "rkt://"+parsed.Pod)
} else {
aliases = append(aliases, "rkt://"+parsed.Pod+":"+parsed.Container)
}
pid := os.Getpid()
labels := make(map[string]string)
resp, err := rktClient.InspectPod(context.Background(), &rktapi.InspectPodRequest{
Id: parsed.Pod,
})
if err != nil {
return nil, err
} else {
var annotations []*rktapi.KeyValue
if parsed.Container == "" {
pid = int(resp.Pod.Pid)
apiPod = resp.Pod
annotations = resp.Pod.Annotations
} else {
var ok bool
if annotations, ok = findAnnotations(resp.Pod.Apps, parsed.Container); !ok {
glog.Warningf("couldn't find application in Pod matching %v", parsed.Container)
}
}
labels = createLabels(annotations)
}
cgroupPaths := common.MakeCgroupPaths(cgroupSubsystems.MountPoints, name)
// Generate the equivalent cgroup manager for this container.
cgroupManager := &cgroupfs.Manager{
Cgroups: &configs.Cgroup{
Name: name,
},
Paths: cgroupPaths,
}
hasNetwork := false
if isPod {
hasNetwork = true
}
rootfsStorageDir := getRootFs(rktPath, parsed)
handler := &rktContainerHandler{
name: name,
rktClient: rktClient,
cgroupSubsystems: cgroupSubsystems,
machineInfoFactory: machineInfoFactory,
cgroupPaths: cgroupPaths,
cgroupManager: cgroupManager,
fsInfo: fsInfo,
hasNetwork: hasNetwork,
rootFs: rootFs,
isPod: isPod,
aliases: aliases,
pid: pid,
labels: labels,
rootfsStorageDir: rootfsStorageDir,
ignoreMetrics: ignoreMetrics,
apiPod: apiPod,
}
if !ignoreMetrics.Has(container.DiskUsageMetrics) {
handler.fsHandler = common.NewFsHandler(time.Minute, rootfsStorageDir, "", fsInfo)
}
return handler, nil
}
func findAnnotations(apps []*rktapi.App, container string) ([]*rktapi.KeyValue, bool) {
for _, app := range apps {
if app.Name == container {
return app.Annotations, true
}
}
return nil, false
}
func createLabels(annotations []*rktapi.KeyValue) map[string]string {
labels := make(map[string]string)
for _, kv := range annotations {
labels[kv.Key] = kv.Value
}
return labels
}
func (handler *rktContainerHandler) ContainerReference() (info.ContainerReference, error) {
return info.ContainerReference{
Name: handler.name,
Aliases: handler.aliases,
Namespace: RktNamespace,
Labels: handler.labels,
}, nil
}
func (handler *rktContainerHandler) Start() {
handler.fsHandler.Start()
}
func (handler *rktContainerHandler) Cleanup() {
handler.fsHandler.Stop()
}
func (handler *rktContainerHandler) GetSpec() (info.ContainerSpec, error) {
hasNetwork := handler.hasNetwork && !handler.ignoreMetrics.Has(container.NetworkUsageMetrics)
hasFilesystem := !handler.ignoreMetrics.Has(container.DiskUsageMetrics)
return common.GetSpec(handler.cgroupPaths, handler.machineInfoFactory, hasNetwork, hasFilesystem)
}
func (handler *rktContainerHandler) getFsStats(stats *info.ContainerStats) error {
if handler.ignoreMetrics.Has(container.DiskUsageMetrics) {
return nil
}
deviceInfo, err := handler.fsInfo.GetDirFsDevice(handler.rootfsStorageDir)
if err != nil {
return err
}
mi, err := handler.machineInfoFactory.GetMachineInfo()
if err != nil {
return err
}
var limit uint64 = 0
// Use capacity as limit.
for _, fs := range mi.Filesystems {
if fs.Device == deviceInfo.Device {
limit = fs.Capacity
break
}
}
fsStat := info.FsStats{Device: deviceInfo.Device, Limit: limit}
fsStat.BaseUsage, fsStat.Usage = handler.fsHandler.Usage()
stats.Filesystem = append(stats.Filesystem, fsStat)
return nil
}
func (handler *rktContainerHandler) GetStats() (*info.ContainerStats, error) {
stats, err := libcontainer.GetStats(handler.cgroupManager, handler.rootFs, handler.pid, handler.ignoreMetrics)
if err != nil {
return stats, err
}
// Get filesystem stats.
err = handler.getFsStats(stats)
if err != nil {
return stats, err
}
return stats, nil
}
func (handler *rktContainerHandler) GetCgroupPath(resource string) (string, error) {
path, ok := handler.cgroupPaths[resource]
if !ok {
return "", fmt.Errorf("could not find path for resource %q for container %q\n", resource, handler.name)
}
return path, nil
}
func (handler *rktContainerHandler) GetContainerLabels() map[string]string {
return handler.labels
}
func (handler *rktContainerHandler) ListContainers(listType container.ListType) ([]info.ContainerReference, error) {
containers := make(map[string]struct{})
// Rkt containers do not have subcontainers, only the "Pod" does.
if handler.isPod == false {
var ret []info.ContainerReference
return ret, nil
}
// Turn the system.slice cgroups into the Pod's subcontainers
for _, cgroupPath := range handler.cgroupPaths {
err := common.ListDirectories(path.Join(cgroupPath, "system.slice"), path.Join(handler.name, "system.slice"), listType == container.ListRecursive, containers)
if err != nil {
return nil, err
}
}
// Create the container references. for the Pod's subcontainers
ret := make([]info.ContainerReference, 0, len(handler.apiPod.Apps))
for cont := range containers {
aliases := make([]string, 1)
parsed, err := parseName(cont)
if err != nil {
return nil, fmt.Errorf("this should be impossible!, unable to parse rkt subcontainer name = %s", cont)
}
aliases = append(aliases, parsed.Pod+":"+parsed.Container)
labels := make(map[string]string)
if annotations, ok := findAnnotations(handler.apiPod.Apps, parsed.Container); !ok {
glog.Warningf("couldn't find application in Pod matching %v", parsed.Container)
} else {
labels = createLabels(annotations)
}
ret = append(ret, info.ContainerReference{
Name: cont,
Aliases: aliases,
Namespace: RktNamespace,
Labels: labels,
})
}
return ret, nil
}
func (handler *rktContainerHandler) ListThreads(listType container.ListType) ([]int, error) {
// TODO(sjpotter): Implement? Not implemented with docker yet
return nil, nil
}
func (handler *rktContainerHandler) ListProcesses(listType container.ListType) ([]int, error) {
return libcontainer.GetProcesses(handler.cgroupManager)
}
func (handler *rktContainerHandler) WatchSubcontainers(events chan container.SubcontainerEvent) error {
return fmt.Errorf("watch is unimplemented in the Rkt container driver")
}
func (handler *rktContainerHandler) StopWatchingSubcontainers() error {
// No-op for Rkt driver.
return nil
}
func (handler *rktContainerHandler) Exists() bool {
return common.CgroupExists(handler.cgroupPaths)
}

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@@ -0,0 +1,93 @@
// Copyright 2016 Google Inc. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package rkt
import (
"fmt"
"io/ioutil"
"path"
"strings"
"github.com/golang/glog"
)
type parsedName struct {
Pod string
Container string
}
func verifyName(name string) (bool, error) {
_, err := parseName(name)
return err == nil, err
}
/* Parse cgroup name into a pod/container name struct
Example cgroup fs name
pod - /sys/fs/cgroup/cpu/machine.slice/machine-rkt\\x2df556b64a\\x2d17a7\\x2d47d7\\x2d93ec\\x2def2275c3d67e.scope/
container under pod - /sys/fs/cgroup/cpu/machine.slice/machine-rkt\\x2df556b64a\\x2d17a7\\x2d47d7\\x2d93ec\\x2def2275c3d67e.scope/system.slice/alpine-sh.service
*/
//TODO{sjpotter}: this currently only recognizes machined started pods, which actually doesn't help with k8s which uses them as systemd services, need a solution for both
func parseName(name string) (*parsedName, error) {
splits := strings.Split(name, "/")
if len(splits) == 3 || len(splits) == 5 {
parsed := &parsedName{}
if splits[1] == "machine.slice" {
replacer := strings.NewReplacer("machine-rkt\\x2d", "", ".scope", "", "\\x2d", "-")
parsed.Pod = replacer.Replace(splits[2])
if len(splits) == 3 {
return parsed, nil
}
if splits[3] == "system.slice" {
parsed.Container = strings.Replace(splits[4], ".service", "", -1)
return parsed, nil
}
}
}
return nil, fmt.Errorf("%s not handled by rkt handler", name)
}
// Gets a Rkt container's overlay upper dir
func getRootFs(root string, parsed *parsedName) string {
/* Example of where it stores the upper dir key
for container
/var/lib/rkt/pods/run/bc793ec6-c48f-4480-99b5-6bec16d52210/appsinfo/alpine-sh/treeStoreID
for pod
/var/lib/rkt/pods/run/f556b64a-17a7-47d7-93ec-ef2275c3d67e/stage1TreeStoreID
*/
var tree string
if parsed.Container == "" {
tree = path.Join(root, "pods/run", parsed.Pod, "stage1TreeStoreID")
} else {
tree = path.Join(root, "pods/run", parsed.Pod, "appsinfo", parsed.Container, "treeStoreID")
}
bytes, err := ioutil.ReadFile(tree)
if err != nil {
glog.Infof("ReadFile failed, couldn't read %v to get upper dir: %v", tree, err)
return ""
}
s := string(bytes)
/* Example of where the upper dir is stored via key read above
/var/lib/rkt/pods/run/bc793ec6-c48f-4480-99b5-6bec16d52210/overlay/deps-sha512-82a099e560a596662b15dec835e9adabab539cad1f41776a30195a01a8f2f22b/
*/
return path.Join(root, "pods/run", parsed.Pod, "overlay", s)
}

View File

@@ -0,0 +1,57 @@
// Copyright 2016 Google Inc. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package systemd
import (
"fmt"
"strings"
"github.com/google/cadvisor/container"
"github.com/google/cadvisor/fs"
info "github.com/google/cadvisor/info/v1"
"github.com/golang/glog"
)
type systemdFactory struct{}
func (f *systemdFactory) String() string {
return "systemd"
}
func (f *systemdFactory) NewContainerHandler(name string, inHostNamespace bool) (container.ContainerHandler, error) {
return nil, fmt.Errorf("Not yet supported")
}
func (f *systemdFactory) CanHandleAndAccept(name string) (bool, bool, error) {
// on systemd using devicemapper each mount into the container has an associated cgroup that we ignore.
// for details on .mount units: http://man7.org/linux/man-pages/man5/systemd.mount.5.html
if strings.HasSuffix(name, ".mount") {
return true, false, nil
}
return false, false, fmt.Errorf("%s not handled by systemd handler", name)
}
func (f *systemdFactory) DebugInfo() map[string][]string {
return map[string][]string{}
}
// Register registers the systemd container factory.
func Register(machineInfoFactory info.MachineInfoFactory, fsInfo fs.FsInfo, ignoreMetrics container.MetricSet) error {
glog.Infof("Registering systemd factory")
factory := &systemdFactory{}
container.RegisterContainerHandlerFactory(factory)
return nil
}

334
vendor/github.com/google/cadvisor/events/handler.go generated vendored Normal file
View File

@@ -0,0 +1,334 @@
// Copyright 2015 Google Inc. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package events
import (
"errors"
"sort"
"strings"
"sync"
"time"
info "github.com/google/cadvisor/info/v1"
"github.com/google/cadvisor/utils"
"github.com/golang/glog"
)
type byTimestamp []*info.Event
// functions necessary to implement the sort interface on the Events struct
func (e byTimestamp) Len() int {
return len(e)
}
func (e byTimestamp) Swap(i, j int) {
e[i], e[j] = e[j], e[i]
}
func (e byTimestamp) Less(i, j int) bool {
return e[i].Timestamp.Before(e[j].Timestamp)
}
type EventChannel struct {
// Watch ID. Can be used by the caller to request cancellation of watch events.
watchId int
// Channel on which the caller can receive watch events.
channel chan *info.Event
}
// Request holds a set of parameters by which Event objects may be screened.
// The caller may want events that occurred within a specific timeframe
// or of a certain type, which may be specified in the *Request object
// they pass to an EventManager function
type Request struct {
// events falling before StartTime do not satisfy the request. StartTime
// must be left blank in calls to WatchEvents
StartTime time.Time
// events falling after EndTime do not satisfy the request. EndTime
// must be left blank in calls to WatchEvents
EndTime time.Time
// EventType is a map that specifies the type(s) of events wanted
EventType map[info.EventType]bool
// allows the caller to put a limit on how many
// events to receive. If there are more events than MaxEventsReturned
// then the most chronologically recent events in the time period
// specified are returned. Must be >= 1
MaxEventsReturned int
// the absolute container name for which the event occurred
ContainerName string
// if IncludeSubcontainers is false, only events occurring in the specific
// container, and not the subcontainers, will be returned
IncludeSubcontainers bool
}
// EventManager is implemented by Events. It provides two ways to monitor
// events and one way to add events
type EventManager interface {
// WatchEvents() allows a caller to register for receiving events based on the specified request.
// On successful registration, an EventChannel object is returned.
WatchEvents(request *Request) (*EventChannel, error)
// GetEvents() returns all detected events based on the filters specified in request.
GetEvents(request *Request) ([]*info.Event, error)
// AddEvent allows the caller to add an event to an EventManager
// object
AddEvent(e *info.Event) error
// Cancels a previously requested watch event.
StopWatch(watch_id int)
}
// events provides an implementation for the EventManager interface.
type events struct {
// eventStore holds the events by event type.
eventStore map[info.EventType]*utils.TimedStore
// map of registered watchers keyed by watch id.
watchers map[int]*watch
// lock guarding the eventStore.
eventsLock sync.RWMutex
// lock guarding watchers.
watcherLock sync.RWMutex
// last allocated watch id.
lastId int
// Event storage policy.
storagePolicy StoragePolicy
}
// initialized by a call to WatchEvents(), a watch struct will then be added
// to the events slice of *watch objects. When AddEvent() finds an event that
// satisfies the request parameter of a watch object in events.watchers,
// it will send that event out over the watch object's channel. The caller that
// called WatchEvents will receive the event over the channel provided to
// WatchEvents
type watch struct {
// request parameters passed in by the caller of WatchEvents()
request *Request
// a channel used to send event back to the caller.
eventChannel *EventChannel
}
func NewEventChannel(watchId int) *EventChannel {
return &EventChannel{
watchId: watchId,
channel: make(chan *info.Event, 10),
}
}
// Policy specifying how many events to store.
// MaxAge is the max duration for which to keep events.
// MaxNumEvents is the max number of events to keep (-1 for no limit).
type StoragePolicy struct {
// Defaults limites, used if a per-event limit is not set.
DefaultMaxAge time.Duration
DefaultMaxNumEvents int
// Per-event type limits.
PerTypeMaxAge map[info.EventType]time.Duration
PerTypeMaxNumEvents map[info.EventType]int
}
func DefaultStoragePolicy() StoragePolicy {
return StoragePolicy{
DefaultMaxAge: 24 * time.Hour,
DefaultMaxNumEvents: 100000,
PerTypeMaxAge: make(map[info.EventType]time.Duration),
PerTypeMaxNumEvents: make(map[info.EventType]int),
}
}
// returns a pointer to an initialized Events object.
func NewEventManager(storagePolicy StoragePolicy) *events {
return &events{
eventStore: make(map[info.EventType]*utils.TimedStore, 0),
watchers: make(map[int]*watch),
storagePolicy: storagePolicy,
}
}
// returns a pointer to an initialized Request object
func NewRequest() *Request {
return &Request{
EventType: map[info.EventType]bool{},
IncludeSubcontainers: false,
MaxEventsReturned: 10,
}
}
// returns a pointer to an initialized watch object
func newWatch(request *Request, eventChannel *EventChannel) *watch {
return &watch{
request: request,
eventChannel: eventChannel,
}
}
func (self *EventChannel) GetChannel() chan *info.Event {
return self.channel
}
func (self *EventChannel) GetWatchId() int {
return self.watchId
}
// sorts and returns up to the last MaxEventsReturned chronological elements
func getMaxEventsReturned(request *Request, eSlice []*info.Event) []*info.Event {
sort.Sort(byTimestamp(eSlice))
n := request.MaxEventsReturned
if n >= len(eSlice) || n <= 0 {
return eSlice
}
return eSlice[len(eSlice)-n:]
}
// If the request wants all subcontainers, this returns if the request's
// container path is a prefix of the event container path. Otherwise,
// it checks that the container paths of the event and request are
// equivalent
func checkIfIsSubcontainer(request *Request, event *info.Event) bool {
if request.IncludeSubcontainers == true {
return request.ContainerName == "/" || strings.HasPrefix(event.ContainerName+"/", request.ContainerName+"/")
}
return event.ContainerName == request.ContainerName
}
// determines if an event occurs within the time set in the request object and is the right type
func checkIfEventSatisfiesRequest(request *Request, event *info.Event) bool {
startTime := request.StartTime
endTime := request.EndTime
eventTime := event.Timestamp
if !startTime.IsZero() {
if startTime.After(eventTime) {
return false
}
}
if !endTime.IsZero() {
if endTime.Before(eventTime) {
return false
}
}
if !request.EventType[event.EventType] {
return false
}
if request.ContainerName != "" {
return checkIfIsSubcontainer(request, event)
}
return true
}
// method of Events object that screens Event objects found in the eventStore
// attribute and if they fit the parameters passed by the Request object,
// adds it to a slice of *Event objects that is returned. If both MaxEventsReturned
// and StartTime/EndTime are specified in the request object, then only
// up to the most recent MaxEventsReturned events in that time range are returned.
func (self *events) GetEvents(request *Request) ([]*info.Event, error) {
returnEventList := []*info.Event{}
self.eventsLock.RLock()
defer self.eventsLock.RUnlock()
for eventType, fetch := range request.EventType {
if !fetch {
continue
}
evs, ok := self.eventStore[eventType]
if !ok {
continue
}
res := evs.InTimeRange(request.StartTime, request.EndTime, request.MaxEventsReturned)
for _, in := range res {
e := in.(*info.Event)
if checkIfEventSatisfiesRequest(request, e) {
returnEventList = append(returnEventList, e)
}
}
}
returnEventList = getMaxEventsReturned(request, returnEventList)
return returnEventList, nil
}
// method of Events object that maintains an *Event channel passed by the user.
// When an event is added by AddEvents that satisfies the parameters in the passed
// Request object it is fed to the channel. The StartTime and EndTime of the watch
// request should be uninitialized because the purpose is to watch indefinitely
// for events that will happen in the future
func (self *events) WatchEvents(request *Request) (*EventChannel, error) {
if !request.StartTime.IsZero() || !request.EndTime.IsZero() {
return nil, errors.New(
"for a call to watch, request.StartTime and request.EndTime must be uninitialized")
}
self.watcherLock.Lock()
defer self.watcherLock.Unlock()
new_id := self.lastId + 1
returnEventChannel := NewEventChannel(new_id)
newWatcher := newWatch(request, returnEventChannel)
self.watchers[new_id] = newWatcher
self.lastId = new_id
return returnEventChannel, nil
}
// helper function to update the event manager's eventStore
func (self *events) updateEventStore(e *info.Event) {
self.eventsLock.Lock()
defer self.eventsLock.Unlock()
if _, ok := self.eventStore[e.EventType]; !ok {
maxAge := self.storagePolicy.DefaultMaxAge
maxNumEvents := self.storagePolicy.DefaultMaxNumEvents
if age, ok := self.storagePolicy.PerTypeMaxAge[e.EventType]; ok {
maxAge = age
}
if numEvents, ok := self.storagePolicy.PerTypeMaxNumEvents[e.EventType]; ok {
maxNumEvents = numEvents
}
self.eventStore[e.EventType] = utils.NewTimedStore(maxAge, maxNumEvents)
}
self.eventStore[e.EventType].Add(e.Timestamp, e)
}
func (self *events) findValidWatchers(e *info.Event) []*watch {
watchesToSend := make([]*watch, 0)
for _, watcher := range self.watchers {
watchRequest := watcher.request
if checkIfEventSatisfiesRequest(watchRequest, e) {
watchesToSend = append(watchesToSend, watcher)
}
}
return watchesToSend
}
// method of Events object that adds the argument Event object to the
// eventStore. It also feeds the event to a set of watch channels
// held by the manager if it satisfies the request keys of the channels
func (self *events) AddEvent(e *info.Event) error {
self.updateEventStore(e)
self.watcherLock.RLock()
defer self.watcherLock.RUnlock()
watchesToSend := self.findValidWatchers(e)
for _, watchObject := range watchesToSend {
watchObject.eventChannel.GetChannel() <- e
}
glog.V(4).Infof("Added event %v", e)
return nil
}
// Removes a watch instance from the EventManager's watchers map
func (self *events) StopWatch(watchId int) {
self.watcherLock.Lock()
defer self.watcherLock.Unlock()
_, ok := self.watchers[watchId]
if !ok {
glog.Errorf("Could not find watcher instance %v", watchId)
}
close(self.watchers[watchId].eventChannel.GetChannel())
delete(self.watchers, watchId)
}

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