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848 Commits

Author SHA1 Message Date
Mike Danese
5896ac9e07 skip GetHostIP call on standalone mode kubelet to fix spammy log statement 2015-06-12 11:37:53 -07:00
Abhi Shah
52db576617 Merge pull request #8882 from mesosphere/upstream_k8sm 
Upstream Kubernetes-Mesos framework
 2015-06-12 06:36:20 -07:00
James DeFelice
3cf7739b42 export kubelet.GetPhase 2015-06-12 11:11:53 +00:00
Prashanth Balasubramanian
b5ed0e9b13 Dont generatePodStatus twice for new pods 2015-06-11 17:18:16 -07:00
James DeFelice
7d66559725 added comments at the top of native k8s files which, if changed, might affect some of the k8sm code 2015-06-10 20:31:22 +00:00
krousey
f62a2a1bb6 Merge pull request #9451 from cjcullen/mig 
Use Node IP Address instead of Node.Name in minion.ResourceLocation.
 2015-06-09 15:52:12 -07:00
James DeFelice
257bc9b1a3 add GetRuntime() to simplify integration with 3rd party kubelet extensions like kubernetes-mesos 2015-06-09 13:27:34 +00:00
CJ Cullen
2d85e4a094 Use Node IP Address instead of Node.Name in minion.ResourceLocation. 
Refactor GetNodeHostIP into pkg/util/node (instead of pkg/util to break import cycle).

Include internalIP in gce NodeAddresses.
 2015-06-08 16:58:00 -07:00
Yifan Gu
f197a9db4e kubelet: Minor refactors. 
Remove some TODOs.
Unexport DockerManager.Puller and DockerManager.PodInfraContainerImage.
Add "docker" for all "go-dockerclient" imports.
 2015-06-04 16:08:45 -07:00
Brian Grant
f72fa67924 Revert "Use Node IP Address instead of Node.Name in minion.ResourceLocation." 2015-06-03 18:19:22 -07:00
Daniel Smith
3f454b7599 remove ro refs from more places 2015-06-03 15:41:09 -07:00
Brian Grant
36a4ece87a Merge pull request #9080 from thockin/dns-new-search-kubelet 
Insert 'svc' into the DNS search paths
 2015-06-02 22:54:07 -07:00
Brian Grant
d4acb1d676 Merge pull request #9155 from cjcullen/mig 
Use Node IP Address instead of Node.Name in minion.ResourceLocation.
 2015-06-02 22:51:20 -07:00
CJ Cullen
4e5d0da839 Use Node IP Address instead of Node.Name in minion.ResourceLocation. 
Refactor GetNodeHostIP into pkg/util/node (instead of pkg/util to break import cycle).

Include internalIP in gce NodeAddresses. Remove NodeLegacyHostIP
 2015-06-02 20:01:49 -07:00
Filip Grzadkowski
98115facfd Revert "Gracefully delete pods from the Kubelet" 2015-06-02 23:40:05 +02:00
Brian Grant
8a9700b2ba Merge pull request #8864 from ncdc/pluggable-docker-exec 
Add support for pluggable Docker exec handlers
 2015-06-02 14:13:06 -07:00
Brian Grant
0a28edf6e7 Merge pull request #8698 from vmarmol/with-limits 
Reserve node resources for node services
 2015-06-02 13:05:29 -07:00
Tim Hockin
a826529573 Insert 'svc' into the DNS search paths 
Fixes #8569.

This requires the DNS server to be running kube2sky v1.6 or higher (part of
release 0.18).  Users with older kube2sky MUST NOT update to this kubelet until
they upgrade DNS.  Versions of kube2sky >= 1.6 support both old and new style
names.  Old style names are deprectaed and will be removed around the time of
kubernetes v1.0 release.
 2015-06-01 17:02:17 -07:00
Clayton Coleman
72ee028cab Gracefully delete pods from the Kubelet 
This commit wires together the graceful delete option for pods
on the Kubelet.  When a pod is deleted on the API server, a
grace period is calculated that is based on the
Pod.Spec.TerminationGracePeriodInSeconds, the user's provided grace
period, or a default.  The grace period can only shrink once set.
The value provided by the user (or the default) is set onto metadata
as DeletionGracePeriod.

When the Kubelet sees a pod with DeletionTimestamp set, it uses the
value of ObjectMeta.GracePeriodSeconds as the grace period
sent to Docker.  When updating status, if the pod has DeletionTimestamp
set and all containers are terminated, the Kubelet will update the
status one last time and then invoke Delete(pod, grace: 0) to
clean up the pod immediately.
 2015-06-01 19:23:59 -04:00
Andy Goldstein
2a0d7ebb11 Add support for pluggable Docker exec handlers 
Add support for pluggable Docker exec handlers. The default handler is
now Docker's native exec API call. The previous default, nsenter, can be
selected by passing --docker-exec-handler=nsenter when starting the
kubelet.
 2015-06-01 16:59:59 -04:00
Victor Marmol
7283e662b5 Introduce SystemContainer to Kubelet ContainerManager. 
This generalizes the handling of containers in the
ContainerManager.

Also introduces the ability to determine how much
resources are reserved for those system containers.
 2015-05-29 17:32:34 -07:00
Rohit Jnagal
233ce46b83 Merge pull request #8923 from caesarxuchao/TerminationToTerminated 
Update ContainerState.Termination to ContainerState.Terminated
 2015-05-29 14:51:09 -07:00
Rohit Jnagal
50b9d6284a Merge pull request #8681 from vmarmol/system-container 
Create a system container
 2015-05-29 09:41:06 -07:00
Chao Xu
2f6e5e2e08 Update ContainerState.Termination to ContainerState.Terminated in pkg/api/types.go and pkg/api/v1/types.go 2015-05-28 17:18:24 -07:00
Tim Hockin
bade36c7dd Merge pull request #8826 from markturansky/b2d_fix 
Fixed setNodeStatus to allow running on pods on OS X
 2015-05-28 16:54:42 -07:00
Tim Hockin
4318ca5a8b Rename 'portal IP' to 'cluster IP' most everywhere 
This covers obvious transforms, but not --portal_net, $PORTAL_NET and
similar.
 2015-05-28 16:10:44 -07:00
Federico Simoncelli
2a89428d44 api: add the ProviderID attribute to NodeSpec 
Signed-off-by: Federico Simoncelli <fsimonce@redhat.com>
 2015-05-28 13:01:58 -04:00
markturansky
8aa3cb22b5 added pod capacity to node.Status when cadvisor unavailable. defaults to kubelet's pod list length 2015-05-28 10:53:08 -04:00
Paul Morie
8b338860aa Make kubelet expand var refs in cmd, args, env 2015-05-27 00:13:57 -04:00
Victor Marmol
9a2630ac6e Make system container name configurable. 2015-05-26 20:49:55 -07:00
Victor Marmol
ddec34a000 Have the ContainerManager create a system container. 
The system container is a resource-only container which contains all
non-kernel processes that are not already part of a container. This will
allow monitoring of their resource usage and limiting it (eventually).
 2015-05-26 20:49:55 -07:00
CJ Cullen
197115853e Report node.Ready == false until cbr0 is configured correctly 2015-05-26 10:48:29 -07:00
Dawn Chen
677a4aa1a7 Merge pull request #8164 from cjcullen/cloudprovider 
Route creation reconciler loop.
 2015-05-22 12:27:50 -07:00
David Oppenheimer
6b428ef1a8 Merge pull request #7170 from simon3z/node-events 
Node events recording fixes
 2015-05-21 12:54:38 -07:00
Dawn Chen
0710976d43 Merge pull request #8490 from thockin/diff-proto 
Allow same-hostport-different-protocol
 2015-05-21 09:16:16 -07:00
Federico Simoncelli
fefc65164a kubelet: fix node ready condition logic 
Fixes #8585

Signed-off-by: Federico Simoncelli <fsimonce@redhat.com>
 2015-05-20 20:03:57 -04:00
Federico Simoncelli
2f503c57a5 nodecontroller: improve node status event recording 
This patch substitutes the misleading reason "unknown" for the event
recording. For symmetry with kubelet's message "online" the conditions
Unknown and False are reported as "offline".

Signed-off-by: Federico Simoncelli <fsimonce@redhat.com>
 2015-05-20 18:46:01 -04:00
CJ Cullen
bf646abf8d Revert "Revert "Modify nodes to register directly with the master."" 
This reverts commit c53786ab31.
 2015-05-20 14:21:03 -07:00
Quinton Hoole
c53786ab31 Revert "Modify nodes to register directly with the master." 2015-05-20 13:47:51 -07:00
Tim Hockin
9117a757e2 Revert "Introduce an 'svc' segment for DNS search" 2015-05-20 09:04:15 -07:00
Eric Tune
1f4172d23c Merge pull request #6949 from roberthbailey/node-register 
Modify nodes to register directly with the master.
 2015-05-19 11:29:43 -07:00
Daniel Smith
181124bc9b Merge pull request #7974 from deads2k/attach-pull-secrets-to-pods 
Attach pull secrets to pods
 2015-05-19 10:26:39 -07:00
Tim Hockin
711fa2f2c6 fix 2015-05-19 10:17:53 -07:00
Tim Hockin
c7bf373d98 Allow same-hostport-different-protocol 2015-05-19 10:00:35 -07:00
Robert Bailey
01467e0bb8 Modify nodes to register directly with the master. 
- Delete nodes when they are no longer ready and don't exist in the
cloud provider.
 - Label each node with it's hostname.
 - Add flag to skip node registration.
 - Add a test for registering an existing node.
 2015-05-19 09:55:07 -07:00
Brian Grant
2c81050e6f Merge pull request #8457 from davidopp/master 
Fix stylistic isues with #5547. Closes #4910.
 2015-05-19 07:43:21 -07:00
David Oppenheimer
44b1e1ca0c Fix stylistic isues with #5547. Closes #4910. 2015-05-18 23:32:06 -07:00
Victor Marmol
c5da035d51 Merge pull request #8421 from yujuhong/active_deadline 
Kubelet: move active deadline check to per pod worker
 2015-05-18 17:42:21 -07:00
Vish Kannan
c5f7ee6f96 Merge pull request #8430 from vmarmol/logging 
Don't run OOM watcher is cAdvisor is not available.
 2015-05-18 14:41:24 -07:00
Yu-Ju Hong
2bf0646c76 Kubelet: do not remove directories of terminated pods 
We recently changed `SyncPods` to filter out terminated pods at the beginning
for two reasons:

 * performance: kubelet no longer keeps goroutines to checks containers for
   terminated pods.
 * correctness: kubelet relies on inspecting dead containers to generate
   pod status. Because dead containers may get garbage collected and
   kubelet does not have checkpoints yet, syncing terminated pod could
   lead to modifying the status of a terminated pod.

However, even though kubelet should not *sync* the terminated pods, it
should not attempt to remove the directories and volumes for such
pods as long as they have not been deleted. This change fixes aggresive
directory removal by passing all pods (including terminated pods) to the
cleanup functions.
 2015-05-18 13:23:49 -07:00
deads2k
0c14e0cbdb add pull secret references to pods 2015-05-18 16:18:16 -04:00
Victor Marmol
4a1100bb66 Don't run OOM watcher is cAdvisor is not available. 
Fixes #8424.
 2015-05-18 12:18:12 -07:00
Victor Marmol
45874d5f76 Merge pull request #5547 from gmarek/client3 
Add a resource specifying number of Pods that are allowed to run on Kubelet.
 2015-05-18 11:11:43 -07:00
Yu-Ju Hong
050b8ba60b Kubelet: move active deadline check to per pod worker 
Per-pod workers have sufficient knowledge to determine whether a pod has
exceeded the active deadline, and they set the status at the end of each sync.
Move the active deadline check to generatePodStatus so that per pod workers
can update the pod status directly. This eliminates the possibility of a race
condition where both SyncPods and the pod worker are updating the status, which
could lead to temporary erratic pod status behavior (pod phase: failed ->
running -> failed).
 2015-05-18 10:52:41 -07:00
Yu-Ju Hong
25668ccc11 Kubelet: remove the getPodstatus method 
Pod statuses are periodically writtien to the status manager, and status
manager sets the start time of the pod. All non-status-modifying code should
perform cache lookup and should not attempt to generate pod status on its own.
 2015-05-18 10:52:36 -07:00
Yu-Ju Hong
e1a153e841 Merge pull request #8340 from dchen1107/clean 
Wait for docker to start cadvisor.
 2015-05-15 14:36:10 -07:00
derekwaynecarr
8216332611 Kubelet kills a pod that exceeds ActiveDeadlineSeconds 2015-05-15 16:33:37 -04:00
Dawn Chen
85ca8506bb Wait for docker to start cadvisor. 2015-05-15 13:24:24 -07:00
Victor Marmol
43e4654333 Merge pull request #8292 from yujuhong/rm_podinfo 
Remove /podInfo endpoint on kubelet
 2015-05-15 08:42:02 -07:00
gmarek
27d660d0ac Add a resource specifying number of Pods that are allowed to run on Kubelet. 2015-05-15 10:57:46 +02:00
Yu-Ju Hong
4b40db3367 Remove /podInfo endpoint on kubelet 
Kubelet sends pod status updates to the API server now. This endpoint is no
longer needed.
 2015-05-14 17:51:26 -07:00
Yu-Ju Hong
a2d04a84de kubelet: filter out terminated pods before rejecting pods 
Currently, kubelet doesn't filter out terminated pods before determining whether
a pod fits. This could lead to duplicated events for rejecting the pods. This
change fixes that.

This change also groups all related pod fitness checking functions into one
function to improve readability.
 2015-05-14 13:02:36 -07:00
Rohit Jnagal
532f6fdcef Merge pull request #7955 from hurf/refactor_scheduler 
Move pkg/scheduler to plugin/pkg/scheduler
 2015-05-14 10:28:52 -07:00
Dawn Chen
309a157665 Merge pull request #7984 from cjcullen/kubelet 
Kubelet configure cbr0 instead of configure-vm.sh
 2015-05-13 17:32:52 -07:00
Victor Marmol
67eab52b9e Merge pull request #8146 from yifan-gu/runtime_opt 
kubelet/container: Refactor RunContainerOptions.
 2015-05-13 11:09:56 -07:00
Yifan Gu
d164ac0ba0 kubelet/container: Refactor RunContainerOptions. 
Make Envs, Mounts, PortMappings more generic.
Also add default name for PortMapping if it's not specified.
 2015-05-13 10:01:00 -07:00
hurf
6203ce9f85 Move pkg/scheduler to plugin/pkg/scheduler 
As the TODO in plugin/pkg/scheduler/scheduler.go described:

move everything from pkg/scheduler into this package. Remove
references from registry.
 2015-05-13 14:03:25 +08:00
CJ Cullen
31ea7d1295 Put cbr0-modifying stuff behind a flag. Address some other comments. 2015-05-12 23:00:28 -07:00
CJ Cullen
5e3d2b9138 Kubelet configure cbr0 instead of configure-vm.sh 2015-05-12 23:00:12 -07:00
Victor Marmol
40ec627cd4 Merge pull request #8108 from rjnagal/kubelet 
Handle out of disk situation on kubelet.
 2015-05-12 15:49:31 -07:00
Victor Marmol
3481db8aee Merge pull request #8136 from yifan-gu/runtime_opt 
kubelet/container: Remove ipcMode and netMode from  RunContainerOptions.
 2015-05-12 14:41:49 -07:00
Yifan Gu
a2dac158c2 kubelet/container: Remove ipcMode and netMode from RunContainerOptions. 
Since createPodInfraContainer() is moved into dockertools. There is no
need to pass the ipcMode or netMode via RunContainerOptions.
 2015-05-12 14:18:00 -07:00
Rohit Jnagal
2cf0dfb79d Handle out of disk situation on kubelets. 
Kubelet will stop accepting new pods if it detects low disk space on root fs or fs holding docker images.
Running pods are not affected. low-diskspace-threshold-mb is used to configure the low diskspace threshold.
 2015-05-12 18:23:09 +00:00
Victor Marmol
e1447618f4 Integrating ContainerManager into Kubelet 2015-05-12 10:13:23 -07:00
Tim Hockin
41033af256 Introduce an 'svc' segment for DNS search 2015-05-11 17:20:44 -07:00
Victor Marmol
43029345f9 Merge pull request #7973 from dchen1107/podstatus 
Add kubectl log --previous support to view last terminated container log
 2015-05-11 17:08:45 -07:00
Victor Marmol
1465475401 Merge pull request #8079 from yifan-gu/rm_command_runner 
kubelet/container: Move prober.ContainerCommandRunner to container.
 2015-05-11 16:05:25 -07:00
Yifan Gu
7831b7da72 kubelet/container: Move prober.ContainerCommandRunner to container. 
Also include the ContainerCommandRunner in Runtime interface, but
still keep the ContainerCommandRunner interface for testability.
 2015-05-11 15:32:51 -07:00
Yu-Ju Hong
8b3130b112 Merge pull request #7980 from yifan-gu/fix_kubelet_tests 
kubelet: Fix racy kubelet tests.
 2015-05-11 14:09:44 -07:00
Dawn Chen
86479cc56c Add support to pull log for last terminated container 2015-05-11 12:54:04 -07:00
Yifan Gu
52af792852 kubelet: Fix racy kubelet tests. 
Add fakePodWorkders to run syncPod() in serial for testing.
 2015-05-11 12:50:33 -07:00
Yu-Ju Hong
a9c9505206 Use VirtualSize of the docker image as the image size 2015-05-11 11:03:47 -07:00
Yu-Ju Hong
3599d81ef1 Remove some docker references 2015-05-11 11:03:47 -07:00
Yifan Gu
7e9ba26103 kubelet: Add container runtime option for rkt. 2015-05-07 23:39:37 -07:00
Victor Marmol
ecf8348609 Revert "kubelet: Add container runtime option for rkt." 2015-05-07 13:01:37 -07:00
Yifan Gu
4f6535ed8a kubelet: Add container runtime option for rkt. 2015-05-07 10:31:58 -07:00
Victor Marmol
35c644a45f Merge pull request #7870 from yifan-gu/rkt_volume 
Add volumeGetter to rkt.
 2015-05-07 08:58:00 -07:00
Wojciech Tyczynski
e26da316dc Set NodeReady=False when docker is dead 2015-05-07 09:30:25 +02:00
Yifan Gu
8715c54bd3 kubelet/container: Move kubelet.volumeMap to container.VolumeMap. 
This is a quick fix to solve circular dependency problem when
rkt references volume maps.
 2015-05-06 16:50:57 -07:00
Zach Loafman
3fcea23185 Revert "Revert "Revert "Kubelet: Add rkt as a runtime option""" 2015-05-05 15:55:12 -07:00
Zach Loafman
92ca92f43a Revert "Revert "Kubelet: Add rkt as a runtime option"" 2015-05-05 15:28:09 -07:00
Zach Loafman
6016408096 Revert "Kubelet: Add rkt as a runtime option" 2015-05-05 15:15:15 -07:00
Yu-Ju Hong
b2c0ea37b4 Merge pull request #7743 from vmarmol/runtime-switch 
Kubelet: Add rkt as a runtime option
 2015-05-05 13:36:46 -07:00
Victor Marmol
9f283f356f Start ImageManager housekeeping in Run(). 
Fixes #7762
Fixes #5634
 2015-05-05 11:15:12 -07:00
Victor Marmol
22297d316a Add rkt runtime to Kubelet init 2015-05-05 10:55:21 -07:00
Brian Grant
df8521c468 Merge pull request #7592 from pmorie/dapi-example 
Rename EnvVarSource.FieldPath -> FieldRef and add example
 2015-05-04 17:02:17 -07:00
Victor Marmol
a32d31d045 Merge pull request #7729 from yujuhong/runtime_up 
Kubelet: wait until container runtime is up
 2015-05-04 16:02:30 -07:00
Paul Morie
e949a623ff Change EnvVarSource.FieldPath -> FieldRef and add example 2015-05-04 18:41:09 -04:00
Yu-Ju Hong
d231eb6bef Kubelet: wait until container runtime is up 
Instead of waiting for the docker client to be up, we wait for the container
runtime to be up.
 2015-05-04 15:16:38 -07:00
Victor Marmol
ba7e940a57 Make rkt implement the container Runtime 2015-05-04 11:16:33 -07:00
Victor Marmol
79fc8bee34 Change GetContainerLogs() signature. 
This works for both runtimes. We need to eventually unify the ID scheme
for this method.
 2015-05-04 11:16:32 -07:00
Victor Marmol
2ad933e124 Merge pull request #7674 from yujuhong/enable_runtime 
Kubelet: replace DockerManager with the Runtime interface
 2015-05-04 11:10:20 -07:00
Yu-Ju Hong
1ad4dd7803 Kubelet: replace DockerManager with the Runtime interface 
This change instructs kubelet to switch to using the Runtime interface. In order
to do it, the change moves the Prober instantiation to DockerManager.

Note that most of the tests in kubelet_test.go needs to be migrated to
dockertools. For now, we use type assertion to convert the Runtime interface to
DockerManager in most tests.
 2015-05-04 10:19:46 -07:00
Paul Morie
b538642464 Inject mounter into volume plugins 2015-05-04 11:28:57 -04:00
Daniel Smith
4a6ab7fd36 Merge pull request #7597 from eparis/copyright 
Use generic copyright holder name in license boilerplate
 2015-05-01 17:01:39 -07:00
Eric Paris
6b3a6e6b98 Make copyright ownership statement generic 
Instead of saying "Google Inc." (which is not always correct) say "The
Kubernetes Authors", which is generic.
 2015-05-01 17:49:56 -04:00
Victor Marmol
d9d61c3511 Kubelet: Add container runtime option. 2015-05-01 14:26:54 -07:00
Victor Marmol
3b9eba2c1b Add SyncPod() to DockerManager and use in Kubelet. 
This allows us to abstract away the logic of syncing a pod by the
runtime. It will allow other runtimes to perform their own sync as well.
 2015-05-01 11:03:08 -07:00
Vish Kannan
cadfde0bd1 Merge pull request #7277 from guenter/cgroup-parent 
Add --cgroup_parent flag to Kubelet to set the parent cgroup for pods
 2015-05-01 10:24:58 -07:00
Victor Marmol
441a4e6f30 Merge pull request #7578 from yujuhong/docker_manager 
Add image-related methods to DockerManager
 2015-04-30 16:16:39 -07:00
Yu-Ju Hong
644ec0dbfb Remove ErrNoKubeletContainers 
We no longer use it.
 2015-04-30 13:35:21 -07:00
Yu-Ju Hong
83c599e4d4 Add image-related methods to DockerManager 
This change is part of the efforts to make DockerManager implement the Runtime
interface.

The change also modifies the interface slightly to work with existing
code, and aggregates the type converting functions to convert.go.
 2015-04-30 13:27:52 -07:00
Yu-Ju Hong
2f7b951140 Remove more docker references in kubelet 
This change also renames TrimRuntimePrefixFromImage to TrimRuntimePrefix to
better reflect that the usage is not limited to images (e.g. ID).
 2015-04-30 13:16:11 -07:00
Tobi Knaup
b96c4046a8 Add --cgroup_root flag to Kubelet to set the parent cgroup for all pods. 
Implements #6991.
 2015-04-30 10:32:27 -07:00
Victor Marmol
238b3c6f4e Move lifecycle handlers to its own sub package. 
This will allow injecting it into the runtimes.
 2015-04-30 08:47:23 -07:00
Victor Marmol
4db5127073 Make HttpGetter a shared Kubelet type. 2015-04-30 08:47:23 -07:00
Yu-Ju Hong
baaea11cd5 Merge pull request #7520 from vmarmol/runtime-pull 
Add RuntimeHooks to abstract Kubelet logic
 2015-04-30 08:33:19 -07:00
Victor Marmol
2a01a2c7e9 Use RuntimeHooks in Kubelet. 
Used in functionality that will be moved to the runtimes.
 2015-04-29 17:06:49 -07:00
Yu-Ju Hong
d81ecc58f8 Adapt pod killing and cleanup for generic container runtime 
This change removes docker-specifc code in killUnwantedPods. It
also instructs the cleanup code to move away from interacting with
containers directly. They should always deal with the pod-level
abstraction if at all possible.
 2015-04-29 16:08:09 -07:00
Yu-Ju Hong
ba1140a54f Merge pull request #7480 from vmarmol/runtime-syncpod 
Move ComputePodChanges to the Docker runtime
 2015-04-29 16:05:20 -07:00
Victor Marmol
209b4fcbef Merge pull request #6718 from vishh/sys_oom1 
Adding system oom events from kubelet
 2015-04-29 14:29:38 -07:00
Victor Marmol
fe4600ba17 Move ComputePodChanges to DockerManager. 
This logic is specific to the Docker runtime. This move is the first
step towards making syncPod() runtime-agnostic.
 2015-04-29 14:00:37 -07:00
Vishnu Kannan
020950fd0f Adding events for system ooms. 
Kubelet will continuously watch for system OOMs and generate events whenever it
encounters a system OOM.
 2015-04-29 11:19:11 -07:00
Victor Marmol
f38c607285 Move Prober to its own subpackage. 
This will allow it to be reused by the runtimes.
 2015-04-29 10:11:28 -07:00
Yu-Ju Hong
33b8f487f6 Merge pull request #7449 from vmarmol/runtime-network-plugins 
Move network plugin TearDown to DockerManager
 2015-04-29 10:09:58 -07:00
Victor Marmol
02231ea75d Merge pull request #7503 from jsafrane/devel/fix-volume-rm 
Fixed kubelet deleting data from volumes on stop (#7317).
 2015-04-29 10:01:16 -07:00
Jan Safranek
9b9e98a22f Fixed kubelet deleting data from volumes on stop (#7317). 
We must not clear the pod directory in killUnwantedPods(), volumes are still
mounted there at this time. There already is cleanupOrphanedPodDirs(),
called later in the SyncPods() sequence, which should remove these pod
directories.
 2015-04-29 10:41:19 +02:00
Yifan Gu
fb1c55aa11 kubelet/container: Add GetContainerLogs to runtime interface. 2015-04-28 20:26:16 -07:00
Victor Marmol
787d42d50b Move network plugin teardown to DockerManager. 
This teardown is Docker-specific and will let us also do the setup in
the manager in future cleanups.
 2015-04-28 16:58:54 -07:00
Victor Marmol
de0957ccb1 Create Kubelet types package for common shared types. 2015-04-28 16:57:45 -07:00
Vishnu Kannan
820d0f3e83 Adding a 'PastEventf' method to EventRecorder interface. This will be 
useful for recording the timestamp of events that happened in the past.
 2015-04-28 16:13:29 -07:00
Dawn Chen
af5d017911 Merge pull request #7386 from vmarmol/rkt-pull-image 
Kubelet: Factor out and remove pullImageAndRunContainer
 2015-04-28 09:28:16 -07:00
Dawn Chen
1de4c45115 Merge pull request #7401 from vmarmol/rkt-kill-pod 
Kubelet: Move killPod() logic to DockerManager's KillPod()
 2015-04-28 09:25:12 -07:00
Victor Marmol
6b0db76e85 Move killPod() logic to DockerManager KillPod(). 
This moved Docker specific logic there and allows it to align with the
runtime API. There is still a pod infra container reference in the
function due to network plugins. We can handle this in the Kubelet since
we'll need to be explicit in stating that the network plugin will not
work in a non-Docker runtime.
 2015-04-27 17:15:37 -07:00
Victor Marmol
42a2059a5d Remove DockerPrefix references in Kubelet. 
Makes this usage generic and usable by other runtimes.
 2015-04-27 15:55:13 -07:00
Victor Marmol
3082bb291c Remove pullImageAndRunContainer(). 
Relevant logic is now in shared helpers.
 2015-04-27 15:13:11 -07:00
Victor Marmol
b232eef5f7 Move image PullPolicy logic to pullImage(). 
This will allow us to remove the Docker-specific logic in
pullImageAndRunContainer() and re-use pullImage() in other runtimes.
 2015-04-27 15:13:11 -07:00
Dawn Chen
aa487b7cab Merge pull request #7382 from vmarmol/rkt-deps 
Move Docker-specific log handling to DockerManager.
 2015-04-27 15:10:14 -07:00
Victor Marmol
7404b7019c Move Docker-specific log handling to DockerManager. 
Eases the separation of Docker-specific code into the Docker-specific
runtime.
 2015-04-27 13:10:10 -07:00
Brian Grant
2648ae86d6 Merge pull request #6739 from pmorie/downward-api 
Env var sources / downward API
 2015-04-27 12:46:00 -07:00
Paul Morie
7d30f09ebf Add downward API for environment vars 2015-04-27 14:13:11 -04:00
Victor Marmol
0c52f7b6a5 Move CreatePodInfraContainer to DockerManager. 
This will allow us to start making it an implementation detail of the
Docker runtime.
 2015-04-27 11:07:38 -07:00
Yifan Gu
6c98b9daee kubelet/metrics: Move instrumented_docker.go to dockertools. 
This can solve the circular import problem when we move the
kubelet.pullImage to kubelet/metrics or kubelet/container package.
 2015-04-24 22:03:11 -07:00
Yu-Ju Hong
b0e6926f67 kubelet: filter out terminated pods in SyncPods 
Once a pod reaches a terminated state (whether failed or succeeded), it should
not transit out ever again. Currently, kubelet relies on examining the dead
containers to verify that the container has already been run. This is fine
in most cases, but if the dead containers were garbage collected, kubelet may
falsely concluded that the pod has never been run. It would then try to restart
all the containers.

This change eliminates most of such possibilities by pre-filtering out the pods
in the final states before sending updates to per-pod workers.
 2015-04-24 15:28:03 -07:00
Yifan Gu
b5a1b32aa4 kubelet/dockertools: Move RunContainer into container runtime. 
Also removed ContainerRunner interface.
 2015-04-23 16:40:37 -07:00
Yifan Gu
6ed27d06f7 kubelet: Move KillContainer to container runtime. 
Rename KillContainerID(string) with KillContainer(string).
Delete the old KillContainer(*kubecontainer.Container).
 2015-04-23 15:44:00 -07:00
David Oppenheimer
8667ebddff Merge pull request #7249 from yifan-gu/generator 
kubelet/container: Introduce RunContainerOptionsGenerator.
 2015-04-23 14:59:23 -07:00
Dawn Chen
6207c518b3 Merge pull request #7254 from yifan-gu/readiness 
kubelet/dockertools: Add readinessManage/containerRefManager to dockerManager.
 2015-04-23 14:34:43 -07:00
Yifan Gu
e8d485a3a1 kubelet/dockertools: Add readinessManage/containerRefManager to dockerManager. 
This can enable us to move KillContainer() to container runtime.
 2015-04-23 14:20:34 -07:00
Yifan Gu
bd7132bc07 kubelet/container: Introduce RunContainerOptionsGenerator. 
This interface wraps the kubelet to provide the options for
container runtime to run a container.
 2015-04-23 13:55:50 -07:00
Dawn Chen
f7831dcd93 Merge pull request #7229 from vmarmol/stats 
Kubelet: Add /stats/container endpoint for raw containers
 2015-04-23 13:43:23 -07:00
Victor Marmol
c29d328c55 Kubelet: Add /stats/container endpoint. 
This endpoint exposes container stats for all raw containers on the
machine. The addition is backwards compatible.
 2015-04-23 10:38:29 -07:00
Yifan Gu
af1e9f737f kubelet: Introduce volume manager. 
The volume manager book-keeps the information for the volume mounts
on the kubelet, so we can avoid passing the volumeMap around.
 2015-04-23 10:37:02 -07:00
Satnam Singh
2444c1f943 Propagate pod and container name for log files 2015-04-22 15:08:51 -07:00
Victor Marmol
45575d95b3 Merge pull request #7177 from yifan-gu/runner 
kubelet/dockertools: Remove dockerContainerCommandRunner.
 2015-04-22 13:24:50 -07:00
Yifan Gu
f59013410a kubelet/container: Move Prober/HandlerRunner interface to container/helpers.go 
This enables us to pass them to container runtime as parameters.
 2015-04-22 11:56:15 -07:00
Yifan Gu
c55c879ffe kubelet/dockertools: Remove dockerContainerCommandRunner. 
Replace with docker manager.
 2015-04-22 11:00:54 -07:00
Victor Marmol
914a6febfb Merge pull request #7010 from yifan-gu/compute 
kubelet: Refactor computePodContainerChanges().
 2015-04-22 08:05:18 -07:00
Brian Grant
8dbbf3da5c Merge pull request #7138 from pravisankar/unschedulable-event 
Record an event on node schedulable changes
 2015-04-22 07:11:14 -07:00
Yifan Gu
611fb25926 kubelet: Refactor GetDockerVersion(). 
Remove GetDockerServerVersion() from DockerContainerCommandRunner interface,
replaced with runtime.Version(). Also added Version type in runtime for version
comparision.
 2015-04-21 14:52:08 -07:00
Ravi Sankar Penta
f1d88f6d2f Record an event on node schedulable changes 2015-04-21 14:14:59 -07:00
Yifan Gu
5594981340 kubelet: Refactor computePodContainerChanges(). 
Pull generatePodStatus() and makePodDataDirs() out as they are the
common part for container runtimes.
 2015-04-21 13:53:20 -07:00
Victor Marmol
4b9a64bcd8 Merge pull request #7098 from yifan-gu/handler 
kubelet: Refactor runHandler().
 2015-04-21 08:14:42 -07:00
Yifan Gu
c23b83b0ca kubelet: Refactor runHandler(). 
Use new HandlerRunner type to replace runHandler()
 2015-04-20 21:31:11 -07:00
Daniel Smith
462534ca5d Merge pull request #7068 from krousey/api_pod_pointer 
Changing  a few more instances of api.Pod to *api.Pod
 2015-04-20 17:09:28 -07:00
Kris Rousey
594f514843 Changing a few remaining instances of passing pods around by value. I 
avoided changing api.PodList.Items to []*api.Pod.
 2015-04-20 15:26:45 -07:00
Victor Marmol
d44e9b4880 Merge pull request #7048 from yujuhong/para_cleanup 
Kubelet: parallelize cleaning up containers in unwanted pods
 2015-04-20 14:59:07 -07:00
Yu-Ju Hong
275002173e Kubelet: parallelize cleaning up containers in unwanted pods 
Kubelet kills unwanted pods in SyncPods, which directly impact the latency of a
sync iteration. This change parallelizes the cleanup to lessen the effect.

Eventually, we should leverage per-pod workers for cleanup, with the exception
of truly orphaned pods.
 2015-04-20 14:42:12 -07:00
Brendan Burns
01b891770f Merge pull request #7054 from ncdc/dockerclient-version 
Use go-dockerclient's APIVersion
 2015-04-20 14:20:57 -07:00
Andy Goldstein
a0a80ea76e Use go-dockerclient's APIVersion 
Use go-dockerclient's APIVersion to check the minimum required Docker
version, as it contains methods for parsing the ApiVersion response from
the Docker daemon and for comparing 2 APIVersion objects.
 2015-04-20 13:48:18 -04:00
Yu-Ju Hong
cd61aa9484 Merge pull request #7009 from yifan-gu/kube_dep 
kubelet: Refactor prober.
 2015-04-20 10:23:04 -07:00
Clayton Coleman
9e87924983 Tone down kubelet logs for already run containers 2015-04-19 22:55:38 -04:00
Yifan Gu
1d58992df7 kubelet: Refactor prober. 
Decompose the health check prober from the kubelet.
 2015-04-17 15:54:28 -07:00
Yu-Ju Hong
1f3e47f6f7 Merge pull request #7005 from yifan-gu/kube_dep 
kubelet: Refactor shouldContainerBeRestarted():
 2015-04-17 15:05:41 -07:00
Yifan Gu
29a5da231d kubelet: Refactor shouldContainerBeRestarted(): 
Remove the function's dependency on kubelet.
 2015-04-17 14:35:39 -07:00
Kris Rousey
81497f3ed2 Changing the scheduler package to use *api.Pod instead of api.Pod to 
avoid unnecessary shallow copies. The change rippled through a lot of
code.
 2015-04-17 13:34:31 -07:00
Yu-Ju Hong
13b29cd64b Merge pull request #6595 from guenter/kubelet-update-channel-closed 
kubelet syncloop should stop if/when updates chan closes
 2015-04-17 10:42:05 -07:00
Victor Marmol
abab9ea31f Merge pull request #6844 from yifan-gu/cleankube 
kubelet: Clean up computePodContainerChanges.
 2015-04-15 13:53:21 -07:00
Yifan Gu
3b28c6262b kubelet: Clean up computePodContainerChanges. 
More `continue`, less `else` to make it less indent and more readable.
 2015-04-15 10:13:57 -07:00
Victor Marmol
fb3c351fe1 Run Kubelet on "/kubelet" container. 2015-04-14 10:29:05 -07:00
Victor Marmol
ca9e209ccb Merge pull request #6795 from yifan-gu/cache 
kubelet/container: Replace DockerCache with RuntimeCache.
 2015-04-14 09:37:34 -07:00
Dawn Chen
8420abeea8 Merge pull request #6786 from yifan-gu/cleankube 
kubelet: Remove unused docker functions.
 2015-04-14 09:16:53 -07:00
Victor Marmol
e265f2c58d Merge pull request #6799 from xiang90/kerr 
pkg/kubelet: fix error msg in GetHostIP
 2015-04-14 08:40:34 -07:00
Xiang Li
4a152290f4 pkg/kubelet: fix error msg in GetHostIP 2015-04-13 22:44:23 -07:00
Yifan Gu
e1feed9a8b kubelet/container: Replace DockerCache with RuntimeCache. 2015-04-13 18:16:05 -07:00
Yifan Gu
7fedb14c27 kubelet: Remove unused docker functions. 
Remove kubelet.getPodInfraContainer().
Remove dockertools.RemoveContainerWithID().
Remove dockertools.FindContainersByPod().

Also replace the useless test with a test for GetPods().
 2015-04-13 16:32:18 -07:00
Yifan Gu
d14cb8f1dd kubelet: Introduce PodInfraContainerChanged(). 
This functions computes in ahead whether we need to restart the pod
infra container.
 2015-04-13 16:18:52 -07:00
Yifan Gu
dda600e45c kubelet/dockertools: Add puller interfaces in the containerManager. 2015-04-13 15:34:22 -07:00
Yifan Gu
a3675e08f2 kubelet/dockertool: Move Getpods() to DockerManager. 2015-04-13 14:05:22 -07:00
Xiang Li
cef744ecaa pkg/kubelet: move the capabilities related code to util.go 2015-04-11 12:09:11 -07:00
Tobi Knaup
3932dfd8bb Log an error when update channel is closed. 2015-04-10 17:30:04 -07:00
Dawn Chen
fff6cebb5f Merge pull request #6711 from yujuhong/container_status 
Kubelet: surface the container creation/start failure reason
 2015-04-10 17:19:32 -07:00
Yu-Ju Hong
bb417e82d7 Kubelet: surface the container creation/start failure reason 
Container creation/start failure cannot be reproduced by inspecting the
containers. This change caches such errors so that kubelet can retrieve it
later.

This change also extends FakeDockerClient to support setting error response
for a specific function.
 2015-04-10 16:02:27 -07:00
Daniel Smith
e2093798cb Merge pull request #6675 from wojtek-t/nodes_support_field_selector 
FieldSelector for node List()
 2015-04-10 10:30:55 -07:00
Victor Marmol
1563a7636a Merge pull request #6652 from dchen1107/podstatus 
Populate last terminated container information
 2015-04-10 09:21:58 -07:00
Wojciech Tyczynski
88eb0b0295 FieldSelector for node List() 2015-04-10 12:53:16 +02:00
Dawn Chen
563f2965ba Populate last terminated container information 2015-04-09 16:10:13 -07:00
Daniel Smith
629d94657e Merge pull request #6624 from gmarek/status_to_subresource 
Update NodeStatus use subresources.
 2015-04-09 16:00:15 -07:00
Victor Marmol
40acaef454 Merge pull request #6607 from yujuhong/mirror_update 
Kubelet: recreate mirror pod if the static pod changes
 2015-04-09 10:29:55 -07:00
Yifan Gu
b868f421e0 kubelet: Move pod infra container image setting to dockertools. 2015-04-09 09:53:07 -07:00