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998 Commits

Author SHA1 Message Date
Prashanth Balasubramanian
321bc73264 Flannel server in static pod with private etcd. 2015-11-25 09:42:59 +01:00
Prashanth Balasubramanian
7aa8ebe30f Flannel handshakes with kubelet. 2015-11-25 09:42:59 +01:00
zhengguoyong
2b5a655a5d check ref before use it 2015-11-25 11:02:14 +08:00
k8s-merge-robot
d42030170b Merge pull request #15999 from aveshagarwal/master-issue-15624 
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 2015-11-24 17:07:10 -08:00
Wojciech Tyczynski
b6ef62af24 Use unversioned.ListOptions in clients. 2015-11-24 16:52:09 +01:00
Avesh Agarwal
3d5207fd73 This commit adds type information to events. 
This addresses issue #15624.
 2015-11-24 09:59:54 -05:00
k8s-merge-robot
683e908f0a Merge pull request #17265 from gambol99/rj/node_labels 
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 2015-11-24 06:55:31 -08:00
Yifan Gu
28e78f4fb8 rkt: remove rkt image manager. 
This removes the dead code of rkt image manager as the generic
image manager is being used.
 2015-11-20 16:30:51 -08:00
Yu-Ju Hong
41a9ab388d Use 10s period for image pulling backoff 
This is consistent with the container restart backoff period.
 2015-11-20 11:57:56 -08:00
Rohith
c2526c93fa - adding the -node-label flag to the kubelet which allows for a initial tagging / labelling of the node on cluster registration 
- the labels can come from a series of key=pair value or file:///path_to_file which contains key pairs
 2015-11-18 23:20:58 +00:00
k8s-merge-robot
9604988537 Merge pull request #16894 from alexhersh/manifest-fix 
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 2015-11-17 07:39:15 -08:00
k8s-merge-robot
1334401888 Merge pull request #17202 from brendandburns/fix2 
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 2015-11-17 00:49:13 -08:00
cephaslr
aef7af1ba4 Rename kubelet variable pods to maxPods in kubelet pkg to match pods variable in kubelet cmd. 
Remove comment requesting modification of mesos contrib file, dependencies should be maintained in unit tests
 2015-11-16 20:15:40 -05:00
Jeff Lowdermilk
70d89a3541 Merge pull request #13571 from yujuhong/lifecycle_v0 
kubelet: add a generic pod lifecycle event generator
 2015-11-16 14:59:40 -08:00
k8s-merge-robot
7fa85d430b Merge pull request #16614 from pmorie/ro-managed 
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 2015-11-16 10:46:44 -08:00
k8s-merge-robot
081b21687e Merge pull request #16261 from zhengguoyong/update_condition 
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 2015-11-16 02:34:18 -08:00
Paul Morie
911757486d Refactor volume.Builder.IsReadOnly() to volume.Builder.GetAttributes() 2015-11-13 23:34:48 -05:00
Brendan Burns
fb576f30c8 Refactor an interface for style 2015-11-13 15:56:27 -08:00
Yu-Ju Hong
ac778e8203 Adjust the sync/backoff period 
Set resyncInterval to one minute now that we rely on the generic pleg to trigger
pod syncs on container events. When there is an error during syncing, pod
workers need to wake up sooner to retry. Set the sync error backoff period to
10 second in this case.
 2015-11-13 09:57:25 -08:00
Yu-Ju Hong
bc6414a873 kubelet: add a generic pod lifecycle event generator 
This change introduces pod lifecycle event generator (PLEG), and adds a generic
PLEG. The generic PLEG relies on relisting to discover container events, and is
container-runtime-agnostic. Both docker and rkt are changed to use generic
PLEG.
 2015-11-13 09:55:36 -08:00
Alexander Hersh
0584f9ba7a Create mirrorPod in runOnce to update API before syncPod 
+ Fix #14992
+ "When deploying a pod using an on-disk kubelet manifest (a la /etc/kubernetes/manifests), it appears that the network plugin setUpPod is notified of the new pod before the apiserver."
 2015-11-12 15:35:45 -08:00
k8s-merge-robot
e88593d788 Merge pull request #14542 from vishh/kubelet-refactor 
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 2015-11-12 15:24:22 -08:00
k8s-merge-robot
fbbc5a85a9 Merge pull request #16782 from Random-Liu/past-active-deadline-check 
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 2015-11-12 14:01:45 -08:00
k8s-merge-robot
e80dd6689f Merge pull request #16866 from justinsb/zone_labels_on_nodes 
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 2015-11-12 07:25:37 -08:00
Vishnu kannan
b1770537ab Make cadvisor startup synchronous with container runtime initialization. 
This is hopefully a temporary workaround.

Signed-off-by: Vishnu kannan <vishnuk@google.com>
 2015-11-11 15:20:13 -08:00
Vishnu kannan
4ad3d6f5fe Move container manager into a separate package. 
Inject container manager into Kubelet. This lets us stub out container
manager during integration testing.
 2015-11-11 15:00:37 -08:00
Vishnu kannan
129dbc734c avoid requiring runtime to be up while initializing kubelet image manager 2015-11-11 15:00:37 -08:00
Vishnu kannan
89c3cb2f43 refactor podCIDR handling in kubelet to runtime state 2015-11-11 15:00:37 -08:00
Vishnu kannan
5f4570b764 handling locks and update tests. Fail node if network is not initialized 2015-11-11 15:00:37 -08:00
Vishnu kannan
cf56f7a8ef Refactoring kubelet to separate object creation from object logical initialization. 2015-11-11 15:00:34 -08:00
k8s-merge-robot
8761ad3ec1 Merge pull request #15464 from jiangyaoguo/bubble-up-reason-when-killing-pod 
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 2015-11-11 14:17:27 -08:00
Lantao Liu
d6b93cdfe1 Move active deadline check into main syncLoop of kubelet. 2015-11-11 10:05:04 -08:00
k8s-merge-robot
0ee52eb0c8 Merge pull request #17102 from zhengguoyong/add_break 
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 2015-11-11 03:57:16 -08:00
zhengguoyong
79d97abac4 When find NodeReadyCondition, it can quit the loop 2015-11-11 16:15:01 +08:00
Tim St. Clair
67cfed5bf3 Don't wait for sync to update readiness 
Push status updates as soon as readiness state changes for containers,
rather than waiting for the sync loop to update the status. In
particular, this should help new containers to come online faster.

Additionally, consolidates prober test helpers into a single file.
 2015-11-10 14:00:12 -08:00
eulerzgy
3f630d8ad7 when pod has successed, update condition to PodCompleted 2015-11-10 15:37:44 +08:00
jiangyaoguo
b0f0c294d9 make reasons constants with clarity 2015-11-09 23:42:14 +08:00
Wojciech Tyczynski
8a8f394f0d Merge pull request #16945 from kargakis/kubelet-fallback-to-apiserver 
kubelet: Fallback to api server for pod status
 2015-11-09 16:12:07 +01:00
k8s-merge-robot
5fe3733f95 Merge pull request #16272 from jiangyaoguo/remove-infra-container-event 
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 2015-11-09 06:05:35 -08:00
kargakis
d519741e1b kubelet: Fallback to api server for pod status 
This commit fixes getting the logs from complete/failed pods after
a kubelet restart by falling back to the api server in case we fail
to resolve the pod status using the status cache.
 2015-11-06 21:15:40 +01:00
Tim St. Clair
1e88a682da Add liveness/readiness probe parameters 
- PeriodSeconds - How often to probe
- SuccessThreshold - Number of successful probes to go from failure to success state
- FailureThreshold - Number of failing probes to go from success to failure state

This commit includes to changes in behavior:

1. InitialDelaySeconds now defaults to 10 seconds, rather than the
kubelet sync interval (although that also defaults to 10 seconds).
2. Prober only retries on probe error, not failure. To compensate, the
default FailureThreshold is set to the maxRetries, 3.
 2015-11-06 10:46:40 -08:00
Justin Santa Barbara
b2c2d617cf Label nodes with Zone information, if available 
This lays the groundwork for simple multizone capabilities.

In a cloud environment, nodes are typically created by the kubelet
registering with the API server.  When creating a new node, we now query
the cloudprovider to see if it can provide Zone information, and if so
we add some well-known labels to the Node we are creating.
 2015-11-05 14:35:05 -05:00
Yu-Ju Hong
5863f2a0a5 kubelet: reduce logging frequency for sync loop 
Only logs when there are pods to sync.
 2015-11-05 10:06:10 -08:00
k8s-merge-robot
fb571e3e2e Merge pull request #16545 from timstclair/mirrorpods 
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 2015-11-05 02:56:23 -08:00
Tim St. Clair
858126b42a Clean up static/mirror pod status logic 
- status.Manager always deals with the local (static) pod, but gets the
  mirror pod when syncing
  - This lets components like the probe workers ignore mirror pods
 2015-11-04 11:42:25 -08:00
Yu-Ju Hong
b734155954 Clean up housekeeping routine in kubelet 
Now that kubelet checks sources seen correctly, there is no need to enforce the
initial order of pod updates and housekeeping. Use a ticker for housekeeping to
simplify the code.
 2015-11-04 08:12:18 -08:00
jiangyaoguo
3ce5a51007 remove implicitly required container event 2015-11-04 16:47:17 +08:00
Yu-Ju Hong
2eb17df46b kubelet: independent pod syncs and backoff on error 
Currently kubelet syncs all pods every 10s. This is not preferred because
 * Some pods may have been sync'd recently.
 * This may cause all the pods to be sync'd at once, causing undesirable
   CPU spikes.

This PR replaces the global syncs with independent, periodic pod syncs. At the
end of syncing, each pod worker will enqueue itslef with a future timestamp (
current time + sync interval), when it will be due for another sync.
 * If the pod worker encoutners an sync error, it may requeue with a different
   timestamp to retry sooner.
 * If a sync is triggered by the update channel (events or spec changes), the
   pod worker would enqueue a new sync time.

This change is necessary for moving to long or no periodic sync period once pod
lifecycle event generator is completed. We will still rely on the mechanism to
requeue the pod on sync error.

This change also makes sure that if a sync does not succeed (either due to
real error or the per-container backoff mechanism), an error would be propagated
back to the pod worker, which is responsible for requeuing.
 2015-11-03 13:29:08 -08:00
mqliang
3afcbae1a8 remove unnecessary fmt 2015-11-02 21:07:07 +08:00
Dawn Chen
a39e1e96dc Mark NodeNotReady for docker version below 1.6.2 2015-10-30 13:48:51 -07:00
Sami Wagiaalla
1d352a16b8 Support volume relabling for pods which specify an SELinux label 2015-10-28 09:26:58 -04:00
Daniel Smith
8524d392bf Merge pull request #16178 from madhusudancs/kubelet-out-of-disk-no-master 
Report node out of disk condition in the kubelet.
 2015-10-27 14:28:03 -07:00
k8s-merge-robot
0a7a9f3535 Merge pull request #16340 from timstclair/flaky-prober 
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 2015-10-27 12:10:22 -07:00
Jerzy Szczepkowski
5ef087adab Merge pull request #16266 from wojtek-t/fix_handshake_reflector 
Reuse TCP connections in Reflector between resync periods.
 2015-10-27 10:36:18 +01:00
Tim St. Clair
17b0a964f4 Always resync after resyncInterval 2015-10-26 18:50:57 -07:00
Madhusudan.C.S
9c4424f0bd Report out of disk as a node condition when node goes out of disk. 
Define a new out of disk node condition and use it to report when node
goes out of disk.

Make a copy of loop range clause variable in node listers so that it
is available outside the for loop.

Also update/implement unit tests.
 2015-10-26 15:01:20 -07:00
Daniel Smith
e42f5af6a1 Merge pull request #16219 from thockin/resolvconf-filter 
Add a cloud-provider hook to scrub DNS for pods
 2015-10-26 12:32:02 -07:00
Wojciech Tyczynski
d47e21f19f Reuse TCP connections in Reflector between resync periods. 2015-10-26 19:35:25 +01:00
k8s-merge-robot
bffdd242d8 Merge pull request #16191 from yujuhong/fix_logs 
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 2015-10-26 09:31:35 -07:00
k8s-merge-robot
0e1ee14cc8 Merge pull request #15705 from wojtek-t/watch_options_in_client 
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 2015-10-24 17:39:20 -07:00
Abhi Shah
976cc12c8e Merge pull request #16174 from ArtfulCoder/nilCheck 
Added Nil Check
 2015-10-24 14:16:28 -07:00
k8s-merge-robot
5280540384 Merge pull request #15965 from Random-Liu/use-docker-label 
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 2015-10-24 13:19:40 -07:00
Wojciech Tyczynski
f4d75e0a0a Support timeout in watch requests 2015-10-24 13:12:49 +02:00
k8s-merge-robot
e1559e9fb5 Merge pull request #15352 from pmorie/fsgroup 
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 2015-10-24 01:55:45 -07:00
Tim Hockin
42c7fec490 Add a cloud-provider hook to scrub DNS for pods 
GCE needs this hook and it seems general enough to include.
 2015-10-23 17:01:49 -07:00
Yu-Ju Hong
e4f739115f kubelet: fix getting logs from static pods 
This change adds the necessary UID translation logic to fix the issue.
 2015-10-23 14:31:40 -07:00
Lantao Liu
67a7633202 Put restart count into docker label 2015-10-23 13:02:32 -07:00
Abhishek Shah
4a7b4f2ed2 Nil Check 2015-10-23 11:52:59 -07:00
Filip Grzadkowski
165169ab1c Merge pull request #16052 from ArtfulCoder/mount_etc_hosts 
kubelet manages /etc/hosts file
 2015-10-23 14:07:34 +02:00
Filip Grzadkowski
edd10d8a83 Merge pull request #15914 from vishh/serialize-pull 
make kubelet image pulls serialized by default.
 2015-10-23 14:04:23 +02:00
Vishnu kannan
0df4b46d4c Adding a kubelet flag to optionally enable parallel image pulls. 2015-10-22 17:19:51 -07:00
Paul Morie
3cd12f5e05 FSGroup implementation 2015-10-22 16:40:59 -04:00
Abhishek Shah
ba6469d478 kubelet manages /etc/hosts file 2015-10-22 13:27:05 -07:00
k8s-merge-robot
6dc3dcf36a Merge pull request #15414 from thockin/exp-beta-annotations 
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 2015-10-20 17:45:32 -07:00
Tim St. Clair
a263c77b65 Refactor liveness probing 
This commit builds on previous work and creates an independent
worker for every liveness probe. Liveness probes behave largely the same
as readiness probes, so much of the code is shared by introducing a
probeType paramater to distinguish the type when it matters. The
circular dependency between the runtime and the prober is broken by
exposing a shared liveness ResultsManager, owned by the
kubelet. Finally, an Updates channel is introduced to the ResultsManager
so the kubelet can react to unhealthy containers immediately.
 2015-10-19 15:15:59 -07:00
k8s-merge-robot
75c977d200 Merge pull request #15596 from zhengguoyong/alias_util_errors_packagename 
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 2015-10-19 02:35:37 -07:00
k8s-merge-robot
09a3871506 Merge pull request #15755 from zhengguoyong/del_capatical_packagename_for_cadvisorApi2 
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 2015-10-18 04:04:11 -07:00
eulerzgy
f8f9afb874 alias local packagename for pkg/util/errors 2015-10-18 09:37:46 +08:00
k8s-merge-robot
d471318aa8 Merge pull request #15799 from dchen1107/podstatus 
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 2015-10-16 19:32:30 -07:00
Dawn Chen
1b8f851979 Fix PodPhase issue caused by backoff 2015-10-16 15:16:07 -07:00
k8s-merge-robot
535090312f Merge pull request #13180 from samsabed/backoff_e2e 
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 2015-10-16 13:33:36 -07:00
eulerzgy
31c09bdcb8 Del capatical local packagename for cadvisorApi 2015-10-16 11:03:50 +08:00
Sam Abed
78979c77ce backoff e2e tests 
Signed-off-by: Sam Abed <samsabed@gmail.com>
 2015-10-16 13:09:29 +11:00
eulerzgy
ea86e66fbe Del capatical local packagename for kubeletUtil 2015-10-15 09:58:10 +08:00
Tim Hockin
2f4c3035be Change to alpha/beta for bandwidth annotations 2015-10-14 15:33:19 -07:00
Wojciech Tyczynski
647aa1bc8c Unify per-resource List for unversioned client 2015-10-14 08:37:57 +02:00
Yu-Ju Hong
2c76c55bb9 kubelet: move PodManager and MirrorClient to a subpackage 
This change moves pod_manager.go and mirror_client.go to a separate package.
Also made necessary, minor changes to facilitate testing.
 2015-10-12 16:34:18 -07:00
Yu-Ju Hong
1c015560be kubelet logs update source in the sync loop 
This improve the clarity/debuggability.
 2015-10-12 10:18:52 -07:00
Mike Danese
392f33e417 Merge pull request #14054 from mikedanese/register-master 
register master kubelet with the apiserver
 2015-10-09 17:12:37 -07:00
Yu-Ju Hong
a3e60cc32e Rename imported package local name kubeletTypes to kubetypes 
According to the naming guidelines, package name should not include mixedCaps.
 2015-10-09 10:24:31 -07:00
k8s-merge-robot
45cca144cb Merge pull request #15167 from yujuhong/sources_seen 
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 2015-10-09 08:35:40 -07:00
k8s-merge-robot
b793c3edf1 Merge pull request #14700 from liggitt/kubelet_authz 
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 2015-10-09 03:01:43 -07:00
k8s-merge-robot
538cf72208 Merge pull request #15051 from feiskyer/kubelet/garbage-collection 
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 2015-10-09 02:11:47 -07:00
Jordan Liggitt
9d6b52881d Add authentication/authorization interfaces to kubelet, always include /metrics with /stats 2015-10-09 03:10:00 -04:00
Mike Danese
fa60bbe8e6 add flag to kubelet to ignore the cidr passed down by the apiserver on the master 2015-10-08 21:21:19 -07:00
feisky
fb04edea3a Replace rkt --grace-period and --expire-prepared with gcPolicy.MinAge 2015-10-09 06:57:10 +08:00
feisky
d624c7de51 Pass the ContainerGCPolicy in Runtime.GarbageCollect 2015-10-09 06:57:10 +08:00
feisky
35cf8ab7d4 Use runtime instread of dockerclient in container gc 2015-10-09 06:54:38 +08:00
Yu-Ju Hong
098ab05997 kubelet: move common types to kubelet/types 
This would faciliate tasks such as moving code in pkg/kubelet to sub packages.
 2015-10-08 14:38:01 -07:00
Piotr Szczesniak
95b293c615 Merge pull request #13516 from samsabed/backoff-image-reason 
backoff image pulling on failure
 2015-10-08 13:05:32 +02:00