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222 Commits

Author SHA1 Message Date
Brendan Burns
431caa93df Merge pull request #1335 from dchen1107/exit1 
Convert existing kubernetes system to use ContainerStatus, instead of
 2014-09-24 21:37:24 -07:00
Daniel Smith
bb0cd95a83 fix non-gofmt'd things 2014-09-24 14:27:10 -07:00
Dawn Chen
0e6ec3cbfc Convert existing kubernetes system to use ContainerStatus, instead of 
docker.Container directly.

Conflicts:
	pkg/kubelet/dockertools/docker.go
	pkg/registry/pod/rest.go
 2014-09-24 11:16:46 -07:00
Tim Hockin
0f9cd4301d Merge pull request #1401 from jhadvig/k8s_log_retrieval_update 
stdout/stderr writer container log stream
 2014-09-22 16:38:11 -07:00
jhadvig
9ba71528e4 stdout/stderr container log stream 2014-09-23 00:15:36 +02:00
Tim Hockin
486dbd165f Merge pull request #1318 from jhadvig/k8s_log_retrieval 
Adding endpoint for log retrieval on the minion
 2014-09-22 13:21:28 -07:00
Eric Paris
a32400f47f Remove all code dealing with cadvisor Percentiles 
This was removed upstream beween cadvisor 0.3.0 and 0.4.0
 2014-09-22 14:22:40 -04:00
jhadvig
f3f5d0200c Using podID+containerName for querying the logs 2014-09-17 21:00:09 +02:00
Brendan Burns
dc5a4a8c3f Refactor to clean up names. 2014-09-16 15:19:02 -07:00
Brendan Burns
5b9e2a55b5 Add a flag to reject privileged containers in the apiserver. 2014-09-16 11:22:32 -07:00
jhadvig
f351691493 Adding endpoint for log retrieval on the minion 2014-09-15 17:02:56 +02:00
Brendan Burns
46d0cbd645 Add a global flag to enable/disable privileged containers 2014-09-12 09:56:45 -07:00
Dan Mace
3a3fab3f82 FEATURE: Support privileged containers in a pod 
Add a Privileged field to containers in a pod, in order to facilitate pods
performing administrative tasks such as builds via Docker-in-Docker.

Discussion: https://github.com/GoogleCloudPlatform/kubernetes/issues/391
 2014-09-12 09:38:11 -07:00
Brian Waldon
0bf4fabc19 kubelet: move docker-related code into sub-package 2014-09-11 13:12:28 -07:00
Dawn Chen
15cab4d053 Introduce the simplest RestartPolicy and handling. 2014-09-08 22:41:38 -07:00
Dawn Chen
7ace5a3e83 Passing pod UUID to Kubelet. 2014-09-08 14:24:09 -07:00
Brendan Burns
d0884accd7 Add support for the PostStart event handler. 2014-09-05 12:37:57 -07:00
Daniel Smith
099c8fd36f Propagate rename; tests pass again. 2014-09-02 10:42:06 -07:00
Daniel Smith
97b05619f1 Remove deprecated bits from kubelet 2014-08-26 22:39:00 -07:00
Brendan Burns
4f1fa939f7 Switch the hostname in a container to be the pod id. 2014-08-26 11:13:53 -07:00
Vishnu Kannan
2b61831c22 Improve kubelet logging - log the docker container image name when docker pull fails. 2014-08-20 10:30:42 -07:00
Dawn Chen
5a2365b323 Fix #926 
Make HostPort a real option without being set to ContainerPort if absent.
 2014-08-19 15:44:50 -07:00
Brendan Burns
0caae9c1d4 Add a in container exec based health check. 2014-08-18 12:00:11 -07:00
Brendan Burns
2986db9885 Add container hashing to the container name, and restart containers on changes. 2014-08-08 13:32:07 -07:00
Daniel Smith
2297bf8cea Merge pull request #830 from brendandburns/net 
Delete containers for a pod if we have to create the network container.
 2014-08-08 13:12:42 -07:00
Brendan Burns
38900a9c58 Delete containers for a pod if we have to create the network container. 2014-08-08 12:34:59 -07:00
Victor Marmol
adc57da3f3 Merge pull request #825 from brendandburns/runin 
Add support for "run in"
 2014-08-07 23:47:19 -07:00
Brendan Burns
d31d0781b2 Add support for "run in" 2014-08-07 20:27:58 -07:00
Clayton Coleman
d7f46718a8 Kubelet should have a max think time before auto resync 
The sync frequency should be part of the syncLoop and resync no
less often than every X seconds.  The current implementation runs
even if a config update was delivered less than X seconds ago.
 2014-08-07 10:40:03 -04:00
Danny Jones
7c28e0849f Reorganization; Directory traversal less ugly 
Directory traversal is no longer recursive and only goes as deep as it
needs to. Moved GetActiveVolumes to volume packages and added a simple
test.
 2014-08-06 11:20:34 -07:00
Danny Jones
3f7f6cb2dc Modifies tests to use new volume objects. 2014-08-06 10:21:59 -07:00
Danny Jones
6191ffc0de Modifies directory walker to use a regex 
Now a regex is used to determine active volume properties from
their directory paths.
 2014-08-06 10:21:59 -07:00
Danny Jones
47bca30edc Splits volume interface into Builders and Cleaners 
Different information is needed to perform setup versus teardown. It
makes sense to separate these two interfaces since when we call teardown
from the reconciliation loop, we cannot rely on having the
information provided by the api definition of the volume.
 2014-08-06 10:21:59 -07:00
Danny Jones
dfc9cb86f0 Initial reconciliation loop. 
Determines the set of active volumes versus the set of valid volumes
defined by the manifests. If there is an active volume that is not
defined in any of the manifests, deletes and cleans up that volume.
 2014-08-06 10:21:59 -07:00
Brendan Burns
490bb28bf9 Add TCP socket based health checking. 2014-08-01 14:13:56 -07:00
Dawn Chen
2e8020be8c Update the entire cAdvisor package. There is a version mismatch issue 
which cause #707
 2014-07-31 10:11:25 -07:00
Dawn Chen
76ec7acf91 bump(github.com/google/cadvisor): bdd574b728e8a1e5eb08649d631197620dd09650 2014-07-31 09:14:04 -07:00
Francisco Souza
2a345ffa9e third_party: update go-dockerclient 
math.MaxInt64 represents 8 exabytes, which is a good limit for memory.
Also, this is the type used by Docker, so it's not possible to get any
value bigger than math.MaxInt64 as memory limit (both ram and swap) on a
Docker container.

Relevant discussion at #589 (more precisely,
https://github.com/GoogleCloudPlatform/kubernetes/pull/589#issuecomment-50640605).
 2014-07-30 15:18:42 -03:00
Rohit Jnagal
fbd3e85e9c Fix handling of default cpu shares. 2014-07-29 18:34:16 +00:00
Daniel Smith
5ae20f9edb Merge pull request #605 from Sarsate/setup-error 
SetUp now returns an error.
 2014-07-24 14:13:22 -07:00
Danny Jones
1117da4a55 SetUp now returns an error. 
SetUp returns an error, kubelet now skips pod if error occurs.
 2014-07-24 13:53:44 -07:00
Victor Marmol
b131da1cf5 Sync pods asynchronously in the Kubelet. 
This makes two main changes:
- Runs syncPod in a separate Go routine (and enforces only one of those
  runs at a time).
- Uses the pod list to determine if a container should be running or
  should be killed (used to use the output of syncPod).

Since Docker pulls are synchronized by the Docker daemon we still block
on that, but pods can now be removed and prepared for starting without
blocking on long pulls.
 2014-07-24 13:47:51 -07:00
Daniel Smith
41eb15bcff Merge pull request #527 from Sarsate/rootdir-flag 
Adds a flag to specify root working directory.
 2014-07-24 13:12:55 -07:00
Danny Jones
bfa4642055 Adds a flag to specify root working directory. 
--root_dir specifies the directory kubelet will use for it's
procedures. Currently used for volume mounts.
 2014-07-24 13:04:05 -07:00
Nan Deng
ea4224cbe7 update github.com/fsouza/go-dockerclient 2014-07-23 17:42:03 -07:00
Eric Tune
ded67ead1e Make Kubelet type members private and provide New functions. 2014-07-22 14:40:59 -07:00
Clayton Coleman
7767c2a2ac Switch the Kubelet to use kubelet/config 
Also transfer the Kubelet from using ContainerManifest.ID to source specific
identifiers with namespacing.  Move goroutine behavior out of kubelet/ and
into integration.go and cmd/kubelet/kubelet.go for better isolation.
 2014-07-21 21:27:26 -04:00
Daniel Smith
f672edd1cf Merge pull request #457 from dchen1107/minionlogs 
Add support to query kubelet's logs and cadvisor's stats through apiserver by passing rawquery
 2014-07-21 16:02:44 -07:00
Dawn Chen
064237a5b8 Add support to query kubelet's logs and cadvisor's stats through 
apiserver by passing rawquery.

minor changes

Fixed a minor rebase issues.

Using ioutil.ReadAll instead of httputil.DumpResponse
 2014-07-21 11:52:32 -07:00
Victor Marmol
88317efb42 Add a pause image for the net container. 
The pause image is a 240KB image that simply pauses waiting on a signal.
Use this for the net container which only needs to act as a placeholder.
Current net image is ~2.5MB. From my tests, this reduces startup time
for the net container from ~14s to ~6s.
 2014-07-21 10:28:49 -07:00
Kelsey Hightower
dc7ee7c333 normalize -etcd_servers flag across all commands 
The -etcd_servers flag is used inconsistently by the Kubernetes commands,
both externally and internally.

This patch fixes the issue by using the same type to represent a list of
etcd servers internally, and declares the -etcd_servers flag consistently
across all commands.

This patch should be 100% backwards compatible with no changes in behavior.
 2014-07-20 07:48:47 -07:00
Tim Hockin
fda69bcca2 Merge pull request #452 from Sarsate/extvol-hostdir 
Initial framework for external volumes.
 2014-07-18 12:44:38 -07:00
Daniel Smith
e9dbc4e8ad Merge pull request #509 from xiangli-cmu/kubelet 
kubelet: cleanup
 2014-07-18 10:24:11 -07:00
Xiang Li
86288ca82a kubelet: cleanup 2014-07-18 10:12:59 -07:00
Tim Hockin
2f593c92fa Merge pull request #487 from yugui/fix/golint 
Fixes Go lint errors and a style fix
 2014-07-17 22:44:31 -07:00
Danny Jones
bb2843498d API modified to use source; now supports EmptyDirectory 
API is now modified to use a Source struct to handle multiple volumes.

Two volume types are supported now, HostDirectory and EmptyDirectory.
 2014-07-17 15:25:50 -07:00
Nan Deng
564a58722c Retrieve machine spec from cAdvisor 2014-07-17 15:21:47 -07:00
Danny Jones
f84ff740f0 Adds initial volumes package; Supports host-dirs 
Adds the framework for external volume mounts.

Currently supports bare host directory mounts.

Modifies the API to support host directory mounts from Volumes
instead of VolumeMounts.
 2014-07-17 10:08:45 -07:00
Clayton Coleman
185a97b037 Make container lookup in the Kubelet cleaner 
Reduce duplicate calls to list lookups for parallel go routines.
 2014-07-16 14:12:13 -04:00
Yuki Sonoda (Yugui)
df9da65939 Rename a function according to go convention 2014-07-16 22:05:06 +09:00
Yuki Sonoda (Yugui)
a702be8e63 Fixes new golint errors in pkg/kubelet after merge 2014-07-16 21:33:26 +09:00
Yuki Sonoda (Yugui)
07b8be4d4c Merge branch 'master' into fix/golint2 
Conflicts:
	pkg/api/types.go
	pkg/health/health_check.go
	pkg/kubelet/kubelet.go
	pkg/kubelet/kubelet_server.go
	pkg/kubelet/kubelet_server_test.go
	pkg/kubelet/kubelet_test.go
 2014-07-16 21:33:21 +09:00
Daniel Smith
c7d31fabbc Merge pull request #480 from monnand/cadvisor-update-1 
Update kubelet package to use most recent cAdvisor's code
 2014-07-15 18:25:54 -07:00
Brendan Burns
c331849e69 Add support for CPU limiting to the kubelet. 2014-07-15 16:49:34 -07:00
Daniel Smith
3d63d733e3 Merge pull request #456 from brendandburns/health 
Move health checking logic out to a utility. Add a minion registry that health checks.
 2014-07-15 15:39:21 -07:00
Brendan Burns
c5db874090 Addressed comments. 2014-07-15 15:16:36 -07:00
Nan Deng
30bc2af9f1 gofmt -r "GetContainerStats->GetContainerInfo" 2014-07-15 11:53:00 -07:00
Nan Deng
8c573ee727 Update to latest cAdvisor and use data structures directly from cAdvisor 2014-07-15 11:53:00 -07:00
Clayton Coleman
e02ea37d9f Move Docker specific function out of the Kubelet 2014-07-15 11:34:48 -04:00
Yuki Yugui Sonoda
edac5ce0b8 Fixes golint errors in pkg/kubelet 2014-07-15 22:56:31 +09:00
Yuki Yugui Sonoda
af38bf1ef7 Fixes golint errors in pkg/api 2014-07-15 22:56:09 +09:00
Clayton Coleman
07fafb1252 Merge pull request #453 from brendandburns/memory 
Add support for memory limits in the kubelet.
 2014-07-15 09:37:42 -04:00
Brendan Burns
62dfc74606 Move health checking logic out to a utility. 
Add a minion registry that health checks.
 2014-07-14 22:38:28 -07:00
Brendan Burns
92d83640c0 Add support for memory limits in the kubelet. 2014-07-14 20:57:26 -07:00
Brendan Burns
ae179121c6 Address comments. 2014-07-14 20:38:43 -07:00
Yifan Gu
3a95572290 Changed the keepChannel to buffered channel. 
Since the keepChannel is used to send data, not just for synchronizaiton,
so make it a buffered channel can avoid unnecessary goroutine yields.
 2014-07-14 14:22:19 -07:00
Claire Li
10de5b12fe pkg/kubelet: explicitly return nil as error and nil as a result on error 2014-07-12 11:03:08 -07:00
Brendan Burns
1b4dfe7d14 Move from bool to HealthCheckStatus 2014-07-11 10:15:31 -07:00
Brendan Burns
6312ffebcf Address some comments from thockin@ 2014-07-11 10:14:45 -07:00
Tim Hockin
32bcdbeb53 Merge pull request #396 from brendandburns/hostname 
Add Hostname to the docker run command.
 2014-07-10 12:28:30 -07:00
Brendan Burns
dc61547b95 Add Hostname to the docker run command. 2014-07-10 12:25:57 -07:00
Yuki Sonoda (Yugui)
45b48e1668 Fixes golint errors in pkg/kubelet 2014-07-10 21:57:26 +09:00
Tim Hockin
b0b9606aea Merge pull request #365 from brendandburns/health 
add http health checks.
 2014-07-09 16:14:30 -07:00
brendandburns
4c309862e3 Merge pull request #371 from thockin/valid3 
Accumulate errors during validation
 2014-07-09 13:36:37 -07:00
Tim Hockin
95fb7bc1ae Merge pull request #379 from brendandburns/host 
Add support for host up binding to the API (and kubelet)
 2014-07-09 12:54:32 -07:00
Brendan Burns
41c6680943 add http health checks. 2014-07-09 12:01:43 -07:00
Dan Mace
00df67b0bf Namespace "local" volume mounts by ContainerManifest ID on disk 
Local volume mounts in a pod should result in host mounted directories
which are namespaced by the ContainerManifest ID.
 2014-07-09 14:45:22 -04:00
Brendan Burns
4b22f7a462 Add support for host ip binding to the API (and kubelet) 2014-07-09 11:13:38 -07:00
Tim Hockin
54790080b3 Accumulate validation errors 
Rather than report the first error, accumulate all errors and report them all
at once.
 2014-07-09 07:55:15 -07:00
brendandburns
242627eaf0 Merge pull request #358 from thockin/valid2 
Add validation of VolumeMounts
 2014-07-08 21:58:32 -07:00
Dawn Chen
a0f94757a4 Instantiate cAdvisor client for kubelet to query both machine and container 
information.
 2014-07-08 16:37:43 -07:00
Tim Hockin
2eb2784725 Validation of HostPorts and Manifest IDs 
Check that HostPorts are unique across the whole host and that Manifest IDs
are unique.
 2014-07-08 15:22:47 -07:00
Tim Hockin
ad88fa48a5 Add validation of Ports 
Also do caseless compares for "enum" strings.
 2014-07-08 15:22:44 -07:00
Tim Hockin
92cf6662ed Merge pull request #351 from discordianfish/use-api-for-pull 
Use api for pulling images instead of shelling out
 2014-07-08 09:08:12 -07:00
Johannes 'fish' Ziemke
3fa6c9671d Use docker client lib instead of binary for pulls 2014-07-08 12:21:39 +02:00
Nan Deng
aa808a6505 fix data race introduced by 1798e0f 2014-07-02 23:23:14 -07:00
brendandburns
bf44347340 Merge pull request #350 from brendandburns/async 
Fix an error in the async-path that led to dropping pods.
 2014-07-02 23:15:35 -07:00
Brendan Burns
0655370ea2 Fix an error in the async-path that led to dropping pods. 2014-07-02 23:05:30 -07:00
brendandburns
d386c02dfd Merge pull request #328 from monnand/root-container 
Get root container stats from cAdvisor
 2014-07-02 22:57:28 -07:00
Nan Deng
42fd4383a1 Get machine stats from cAdvisor 2014-07-02 16:59:50 -07:00