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Add clarity/retries to proxy url test
Improve one segment of the kube-proxy networking test by:
1. Retrying for 30s
2. Bucketing into 2 failure modes
3. Adding some clarity by describing the exec pod on failure
Althought 1 shouldn't be necessary, I don't think we lose anything if the kube-proxy convenience endpoint doesn't respond immediately, and if it fails for 30s straight it is indicative of something that requires attention probably within 1.5.
Fixes https://github.com/kubernetes/kubernetes/issues/32436
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Enable NFSv4 and GlusterFS tests on cluster e2e tests
Enable NFSv4 and GlusterFS tests on cluster e2e tests for GCI images
only.
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Node E2E: Avoid printing test result twice.
This is a problem since long time ago.
`RunSshCommand` includes the command output to the error. If the command running the test fails, the test output will also be included in the error. [The runner prints both the test output and the error](https://github.com/kubernetes/kubernetes/blob/master/test/e2e_node/runner/remote/run_remote.go#L270), which leads the test result to be printed twice. (See the [test result](https://storage.googleapis.com/kubernetes-jenkins/logs/kubelet-gce-e2e-ci/10968/build-log.txt) on node tmp-node-e2e-af900a4d-e2e-node-ubuntu-trusty-docker9-v1-image)
This PR changes `RunSshCommand` not to put command output into the error, and leave the caller to decide how to deal with command output when the command fails.
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Add e2e test for CockroachDB statefulset
Refactor the code of statefulset e2e test for clustered applications, and add a test for CockroachDB.
The yaml file is copied from examples/cockroachdb/
cc @erictune @foxish @kow3ns @kubernetes/sig-apps
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e2e pod cleanup test: restrict pods to be assigned to nodes observed …
The test checks the individual kubelet /runningPods endpoint based on the
initial list of nodes it observes. It is important that all pods are
scheduled only onto those nodes. Apply node labels to ensure no stray pods on
other nodes.
This fixes#35197
kubectl-in-pod.json has a hardcoded path for
kubectl in its hostPath ('/usr/bin/kubectl').
When the test actually runs on gke, kubectl
is available at '/workspace/kubernetes/platforms/linux/amd64/kubectl'
and NOT at '/usr/bin/kubectl'. So we need to
fix the hostPath for the test to work properly.
Fixes#36586
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Garbage collection tests the MaxPerPodContainers and MaxContainers constraints
This is the first version of this test. It tests that containers are garbage collected according to the default configuration.
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Cleanup pod in MatchContainerOutput
MatchContainerOutput always creates a pod and does not cleanup. We need
to fix this to be better at re-trying the scenarios.
When there is an error say in the first attempt of ExpectNoErrorWithRetries
(for example in "Pods should contain environment variables for services" test)
the retries logic calls MatchContainerOutput another time and the
podClient.create fails correctly since the pod was not cleaned up the
first time MatchContainerOutput was called.
Fixes#35089
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Change dnsutils image to use alpine
This reduces the size of the dnsutils image and should reduce the # of failed e2e test runs due to image pull timeout.
MatchContainerOutput always creates a pod and does not cleanup. We need
to fix this to be better at re-trying the scenarios.
When there is an error say in the first attempt of ExpectNoErrorWithRetries
(for example in "Pods should contain environment variables for services" test)
the retries logic calls MatchContainerOutput another time and the
podClient.create fails correctly since the pod was not cleaned up the
first time MatchContainerOutput was called.
Fixes#35089
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[kubelet] rename --cgroups-per-qos to --experimental-cgroups-per-qos
This reflects the true nature of "cgroups per qos" feature.
```release-note
* Rename `--cgroups-per-qos` to `--experimental-cgroups-per-qos` in Kubelet
```
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tests: update memory resource limits
```release-note
NONE
```
On ubuntu, the `RestartNever` test OOMs its cgroup limit fairly
frequently.
This bumps the number up to something suitably large since the test
isn't testing anything related to this anyways.
Fixes#36159
Fix based on https://github.com/kubernetes/kubernetes/issues/36159#issuecomment-258992255
cc @yujuhong @saad-ali
The test checks the individual kubelet /runningPods endpoint based on the
initial list of nodes it observes. It is important that all pods are
scheduled only onto those nodes. Apply node labels to ensure no stray pods on
other nodes.
On ubuntu, the `RestartNever` test OOMs its cgroup limit fairly
frequently.
This bumps the number up to something suitably large since the test
isn't testing anything related to this anyways.
Fixes#36159
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Use generous limits in the resource usage tracking tests
These tests are mainly used to catch resource leaks in the soak cluster. Using
higher limits to reduce noise.
This should fix#32942 and #32214.
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Bump GCI version to gci-dev-56-8977-0-0
@vishh @saad
``` release-note
Updating GCI base image to gci-dev-56-8977-0-0. Changelog as follows:
* runc: Eliminate redundant parsing of mountinfo
* Updated kubernetes to v1.4.5
```
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Add back e2e tests for disruption budget
The tests were temporarily removed due to problems with api versions in client-go. The test is almost exactly the same as it used to be before api version change.
cc: @caesarxuchao @davidopp
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Restore event messages for replica sets in the deployment controller
Needed to unblock release upgrade tests (see https://github.com/kubernetes/kubernetes/issues/36453)
@kubernetes/deployment ptal
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Node Conformance & E2E: Get node name from node object.
This PR changes the node e2e test framework to get node name from apiserver instead of test flags.
When a user tried out the node conformance test, he found that node conformance test will not work properly if kubelet is started with `hostname-override`.
The reason is that node conformance test is using [the default node name - `os.Hostname`](https://github.com/kubernetes/kubernetes/blob/master/test/e2e_node/e2e_node_suite_test.go#L124), which may be different from `hostname-override`. This will cause test pods not scheduled, and eventually test timeout.
We can expose a flag from node conformance test, and let user set node name themselves if they are using `hostname-override` on kubelet. However, let the framework automatically detect it from apiserver is more user friendly.
/cc @kubernetes/sig-node
This PR 1) only changes node e2e test framework; 2) fixes a problem in node conformance test which is a 1.5 feature. @saad-ali Can we have this in 1.5?
