godeps update

Signed-off-by: Mike Brown <brownwm@us.ibm.com>

vendor/github.com/opencontainers/image-spec/identity/chainid.go

@@ -0,0 +1,67 @@
+// Copyright 2016 The Linux Foundation
+//
+// 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 identity provides implementations of subtle calculations pertaining
+// to image and layer identity.  The primary item present here is the ChainID
+// calculation used in identifying the result of subsequent layer applications.
+//
+// Helpers are also provided here to ease transition to the
+// github.com/opencontainers/go-digest package, but that package may be used
+// directly.
+package identity
+
+import "github.com/opencontainers/go-digest"
+
+// ChainID takes a slice of digests and returns the ChainID corresponding to
+// the last entry. Typically, these are a list of layer DiffIDs, with the
+// result providing the ChainID identifying the result of sequential
+// application of the preceding layers.
+func ChainID(dgsts []digest.Digest) digest.Digest {
+	chainIDs := make([]digest.Digest, len(dgsts))
+	copy(chainIDs, dgsts)
+	ChainIDs(chainIDs)
+
+	if len(chainIDs) == 0 {
+		return ""
+	}
+	return chainIDs[len(chainIDs)-1]
+}
+
+// ChainIDs calculates the recursively applied chain id for each identifier in
+// the slice. The result is written direcly back into the slice such that the
+// ChainID for each item will be in the respective position.
+//
+// By definition of ChainID, the zeroth element will always be the same before
+// and after the call.
+//
+// As an example, given the chain of ids `[A, B, C]`, the result `[A,
+// ChainID(A|B), ChainID(A|B|C)]` will be written back to the slice.
+//
+// The input is provided as a return value for convenience.
+//
+// Typically, these are a list of layer DiffIDs, with the
+// result providing the ChainID for each the result of each layer application
+// sequentially.
+func ChainIDs(dgsts []digest.Digest) []digest.Digest {
+	if len(dgsts) < 2 {
+		return dgsts
+	}
+
+	parent := digest.FromBytes([]byte(dgsts[0] + " " + dgsts[1]))
+	next := dgsts[1:]
+	next[0] = parent
+	ChainIDs(next)
+
+	return dgsts
+}

vendor/github.com/opencontainers/image-spec/identity/helpers.go

@@ -0,0 +1,40 @@
+// Copyright 2016 The Linux Foundation
+//
+// 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 identity
+
+import (
+	_ "crypto/sha256" // side-effect to install impls, sha256
+	_ "crypto/sha512" // side-effect to install impls, sha384/sh512
+
+	"io"
+
+	digest "github.com/opencontainers/go-digest"
+)
+
+// FromReader consumes the content of rd until io.EOF, returning canonical
+// digest.
+func FromReader(rd io.Reader) (digest.Digest, error) {
+	return digest.Canonical.FromReader(rd)
+}
+
+// FromBytes digests the input and returns a Digest.
+func FromBytes(p []byte) digest.Digest {
+	return digest.Canonical.FromBytes(p)
+}
+
+// FromString digests the input and returns a Digest.
+func FromString(s string) digest.Digest {
+	return digest.Canonical.FromString(s)
+}

vendor/github.com/opencontainers/image-spec/specs-go/v1/config.go

@@ -0,0 +1,96 @@
+// Copyright 2016 The Linux Foundation
+//
+// 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 v1
+
+import "time"
+
+// ImageConfig defines the execution parameters which should be used as a base when running a container using an image.
+type ImageConfig struct {
+	// User defines the username or UID which the process in the container should run as.
+	User string `json:"User,omitempty"`
+
+	// ExposedPorts a set of ports to expose from a container running this image.
+	ExposedPorts map[string]struct{} `json:"ExposedPorts,omitempty"`
+
+	// Env is a list of environment variables to be used in a container.
+	Env []string `json:"Env,omitempty"`
+
+	// Entrypoint defines a list of arguments to use as the command to execute when the container starts.
+	Entrypoint []string `json:"Entrypoint,omitempty"`
+
+	// Cmd defines the default arguments to the entrypoint of the container.
+	Cmd []string `json:"Cmd,omitempty"`
+
+	// Volumes is a set of directories which should be created as data volumes in a container running this image.
+	Volumes map[string]struct{} `json:"Volumes,omitempty"`
+
+	// WorkingDir sets the current working directory of the entrypoint process in the container.
+	WorkingDir string `json:"WorkingDir,omitempty"`
+
+	// Labels contains arbitrary metadata for the container.
+	Labels map[string]string `json:"labels,omitempty"`
+}
+
+// RootFS describes a layer content addresses
+type RootFS struct {
+	// Type is the type of the rootfs.
+	Type string `json:"type"`
+
+	// DiffIDs is an array of layer content hashes (DiffIDs), in order from bottom-most to top-most.
+	DiffIDs []string `json:"diff_ids"`
+}
+
+// History describes the history of a layer.
+type History struct {
+	// Created is the combined date and time at which the layer was created, formatted as defined by RFC 3339, section 5.6.
+	Created time.Time `json:"created,omitempty"`
+
+	// CreatedBy is the command which created the layer.
+	CreatedBy string `json:"created_by,omitempty"`
+
+	// Author is the author of the build point.
+	Author string `json:"author,omitempty"`
+
+	// Comment is a custom message set when creating the layer.
+	Comment string `json:"comment,omitempty"`
+
+	// EmptyLayer is used to mark if the history item created a filesystem diff.
+	EmptyLayer bool `json:"empty_layer,omitempty"`
+}
+
+// Image is the JSON structure which describes some basic information about the image.
+// This provides the `application/vnd.oci.image.config.v1+json` mediatype when marshalled to JSON.
+type Image struct {
+	// Created is the combined date and time at which the image was created, formatted as defined by RFC 3339, section 5.6.
+	Created time.Time `json:"created,omitempty"`
+
+	// Author defines the name and/or email address of the person or entity which created and is responsible for maintaining the image.
+	Author string `json:"author,omitempty"`
+
+	// Architecture is the CPU architecture which the binaries in this image are built to run on.
+	Architecture string `json:"architecture"`
+
+	// OS is the name of the operating system which the image is built to run on.
+	OS string `json:"os"`
+
+	// Config defines the execution parameters which should be used as a base when running a container using the image.
+	Config ImageConfig `json:"config,omitempty"`
+
+	// RootFS references the layer content addresses used by the image.
+	RootFS RootFS `json:"rootfs"`
+
+	// History describes the history of each layer.
+	History []History `json:"history,omitempty"`
+}

vendor/github.com/opencontainers/image-spec/specs-go/v1/descriptor.go

@@ -0,0 +1,36 @@
+// Copyright 2016 The Linux Foundation
+//
+// 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 v1
+
+import digest "github.com/opencontainers/go-digest"
+
+// Descriptor describes the disposition of targeted content.
+// This structure provides `application/vnd.oci.descriptor.v1+json` mediatype when marshalled to JSON
+type Descriptor struct {
+	// MediaType is the media type of the object this schema refers to.
+	MediaType string `json:"mediaType,omitempty"`
+
+	// Digest is the digest of the targeted content.
+	Digest digest.Digest `json:"digest"`
+
+	// Size specifies the size in bytes of the blob.
+	Size int64 `json:"size"`
+
+	// URLs specifies a list of URLs from which this object MAY be downloaded
+	URLs []string `json:"urls,omitempty"`
+
+	// Annotations contains arbitrary metadata relating to the targeted content.
+	Annotations map[string]string `json:"annotations,omitempty"`
+}

vendor/github.com/opencontainers/image-spec/specs-go/v1/image_index.go

@@ -0,0 +1,63 @@
+// Copyright 2016 The Linux Foundation
+//
+// 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 v1
+
+import "github.com/opencontainers/image-spec/specs-go"
+
+// Platform describes the platform which the image in the manifest runs on.
+type Platform struct {
+	// Architecture field specifies the CPU architecture, for example
+	// `amd64` or `ppc64`.
+	Architecture string `json:"architecture"`
+
+	// OS specifies the operating system, for example `linux` or `windows`.
+	OS string `json:"os"`
+
+	// OSVersion is an optional field specifying the operating system
+	// version, for example `10.0.10586`.
+	OSVersion string `json:"os.version,omitempty"`
+
+	// OSFeatures is an optional field specifying an array of strings,
+	// each listing a required OS feature (for example on Windows `win32k`).
+	OSFeatures []string `json:"os.features,omitempty"`
+
+	// Variant is an optional field specifying a variant of the CPU, for
+	// example `ppc64le` to specify a little-endian version of a PowerPC CPU.
+	Variant string `json:"variant,omitempty"`
+
+	// Features is an optional field specifying an array of strings, each
+	// listing a required CPU feature (for example `sse4` or `aes`).
+	Features []string `json:"features,omitempty"`
+}
+
+// ManifestDescriptor describes a platform specific manifest.
+type ManifestDescriptor struct {
+	Descriptor
+
+	// Platform describes the platform which the image in the manifest runs on.
+	Platform Platform `json:"platform"`
+}
+
+// ImageIndex references manifests for various platforms.
+// This structure provides `application/vnd.oci.image.index.v1+json` mediatype when marshalled to JSON.
+type ImageIndex struct {
+	specs.Versioned
+
+	// Manifests references platform specific manifests.
+	Manifests []ManifestDescriptor `json:"manifests"`
+
+	// Annotations contains arbitrary metadata for the image index.
+	Annotations map[string]string `json:"annotations,omitempty"`
+}

vendor/github.com/opencontainers/image-spec/specs-go/v1/layout.go

@@ -0,0 +1,28 @@
+// Copyright 2016 The Linux Foundation
+//
+// 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 v1
+
+const (
+	// ImageLayoutFile is the file name of oci image layout file
+	ImageLayoutFile = "oci-layout"
+	// ImageLayoutVersion is the version of ImageLayout
+	ImageLayoutVersion = "1.0.0"
+)
+
+// ImageLayout is the structure in the "oci-layout" file, found in the root
+// of an OCI Image-layout directory.
+type ImageLayout struct {
+	Version string `json:"imageLayoutVersion"`
+}

vendor/github.com/opencontainers/image-spec/specs-go/v1/manifest.go

@@ -0,0 +1,32 @@
+// Copyright 2016 The Linux Foundation
+//
+// 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 v1
+
+import "github.com/opencontainers/image-spec/specs-go"
+
+// Manifest provides `application/vnd.oci.image.manifest.v1+json` mediatype structure when marshalled to JSON.
+type Manifest struct {
+	specs.Versioned
+
+	// Config references a configuration object for a container, by digest.
+	// The referenced configuration object is a JSON blob that the runtime uses to set up the container.
+	Config Descriptor `json:"config"`
+
+	// Layers is an indexed list of layers referenced by the manifest.
+	Layers []Descriptor `json:"layers"`
+
+	// Annotations contains arbitrary metadata for the manifest.
+	Annotations map[string]string `json:"annotations,omitempty"`
+}

vendor/github.com/opencontainers/image-spec/specs-go/v1/mediatype.go

@@ -0,0 +1,45 @@
+// Copyright 2016 The Linux Foundation
+//
+// 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 v1
+
+const (
+	// MediaTypeDescriptor specifies the media type for a content descriptor.
+	MediaTypeDescriptor = "application/vnd.oci.descriptor.v1+json"
+
+	// MediaTypeImageManifest specifies the media type for an image manifest.
+	MediaTypeImageManifest = "application/vnd.oci.image.manifest.v1+json"
+
+	// MediaTypeImageIndex specifies the media type for an image index.
+	MediaTypeImageIndex = "application/vnd.oci.image.index.v1+json"
+
+	// MediaTypeImageLayer is the media type used for layers referenced by the manifest.
+	MediaTypeImageLayer = "application/vnd.oci.image.layer.v1.tar"
+
+	// MediaTypeImageLayerGzip is the media type used for gzipped layers
+	// referenced by the manifest.
+	MediaTypeImageLayerGzip = "application/vnd.oci.image.layer.v1.tar+gzip"
+
+	// MediaTypeImageLayerNonDistributable is the media type for layers referenced by
+	// the manifest but with distribution restrictions.
+	MediaTypeImageLayerNonDistributable = "application/vnd.oci.image.layer.nondistributable.v1.tar"
+
+	// MediaTypeImageLayerNonDistributableGzip is the media type for
+	// gzipped layers referenced by the manifest but with distribution
+	// restrictions.
+	MediaTypeImageLayerNonDistributableGzip = "application/vnd.oci.image.layer.nondistributable.v1.tar+gzip"
+
+	// MediaTypeImageConfig specifies the media type for the image configuration.
+	MediaTypeImageConfig = "application/vnd.oci.image.config.v1+json"
+)