Resource consumer might use slightly more CPU than requested. That
resulted in HPA sometimes increasing size of deployments during e2e
tests. Deflake tests by:
- Scaling up CPU requests in those tests. Resource consumer might go a fixed
number of milli CPU seconds above target. Having higher requests makes
the test less sensitive.
- On scale down consume CPU in the middle between what would generate
recommendation of expexted size and 1 pod fewer (instead of righ on
edge beween expected and expected +1).
Some variables were int32 but always cast to int before use. Make them
int.
The service account authenticator isn't the only authenticator that
should respect API audience. The authentication config structure should
reflect that.
If dig fails to reach the DNS, it will output errors to stdout, which
can cause the test -n to falsely pass:
ubuntu@ubuntu:~$ dig +notcp +noall +answer +search kubernetes.default A
;; connection timed out; no servers could be reached
command terminated with exit code 9
ubuntu@ubuntu:~$ test -n "$(dig +notcp +noall +answer +search kubernetes.default A)" && echo OK
OK
This patch solves this issue by making sure the dig command actually succeeds
before checking its output.
The test "should run with the expected status" passes with and without
the set SELinuxOptions, but removing it will ensure that the test will
be able to run and pass on Windows nodes as well.
This change updates the ETCD storage test so that its data is
exported. Thus it can be used by other tests. The dry run test was
updated to consume this data instead of having a duplicate copy.
The code to start a master that can be used for "one of every
resource" style tests was also factored out. It is reused in the
dry run test as well.
This prevents these tests from drifting in the future and reduces
the long term maintenance burden.
Signed-off-by: Monis Khan <mkhan@redhat.com>
In some storage tests, kubelet is stopped first and the test check node
NotReady state. However, if it fails to have this state, kubelet could
not be restarted because the defer function is placed after the stop
kubelet command. This PR fixes this issue.
Make CreatePrivilegedPSPBinding reentrant so tests using it (e.g. DNS) can be
executed more than once against a cluster. Without this change, such tests will
fail because the PSP already exists, short circuiting test setup.
Not all users of the E2E framework want to run cloud-provider specific
tests. By splitting out the code it becomes possible to decide in
a E2E test suite which providers are supported.
This is achieved in two ways:
- the framework calls certain functions through a provider
interface instead of calling specific cloud provider functions
directly
- tests that are cloud-provider specific directly import the
new provider packages
The ingress test utilities are only needed by a few tests. Splitting
them out into a separate package makes the framework simpler for test
suites not using those tests.
Fixes: #66649
When facing an issue which is due to lack of PV/PVC Protection
finalizer on the e2e tests, the error message is just like
Expected
<bool>: false
to be true
Actually we cannot understand what happened during the tests.
This adds more debugging info on the tests.
Some commands used in tests are Linux specific and do not exist
or do not behave the same on Windows nodes. This can cause those
tests to fail on Windows nodes.
Replaces the mentioned commands with ones that behave the same on
both Linux and Windows.
The test "Should be able to deny attaching pod" can randomly fail
because it never waits for the pod to enter a "Running" state. Because
of this, the "kubectl attach" command can potentially fail, if the pod is
not in the correct state.
Additionally, if the "kubectl attach" actually manages to attach, then the
test will hang. The command should be executed with a timeout.
After the call to ioutil.TempDir, the directory has already been
created, and MkdirAll therefore can't do anything. The mode argument
in particular is misleading.
Tests settings should be defined in the test source code itself
because conceptually the framework is a separate entity that not all
test authors can modify.
For the sake of backwards compatibility the name of the command line
flags are not changed.
Tests settings should be defined in the test source code itself
because conceptually the framework is a separate entity that not all
test authors can modify.
Using the new framework/config code also has several advantages:
- defaults can be set with less code
- no confusion around what's a duration
- the options can also be set via command line flags
While at it, a minor bug gets fixed:
- readConfig() returns only defaults when called while
registering Ginkgo tests because Viperize() gets called later,
so the scale in the logging soak test couldn't really be configured;
now the value is read when the test runs and thus can be changed
The options get moved into the "instrumentation.logging"
resp. "instrumentation.monitoring" group to make it more obvious where
they are used. This is a breaking change, but that was already
necessary to improve the duration setting from plain integer to a
proper time duration.
Tests shouldn't have to use the central context for their settings,
because conceptually tests and framework get developed independently.
This does not yet use the new framework/config utility code because
that code still needs to be reviewed.
Besides moving the flags, they also get renamed from the top-level
"--csiImage{Version|Registry}" to
"--storage.csi.image.{version|registry}". These flags were introduced
fairly recently and shouldn't be in use much, so now is a good time to
introduce a hierarchical naming for storage flags, in particular
because more flags will be added soon.
Storing settings in the framework's TestContext is not something that
out-of-tree test authors can do because for them the framework is a
read-only upstream component. Conceptually the same is true for
in-tree tests, so the recommended approach is to define configuration
settings in the code that uses them.
How to do that is a bit uncertain. Viper has several
drawbacks (maintenance status uncertain, cannot list supported
options, cannot validate the configuration file). How to handle
configuration files is currently getting discussed for kubeadm, with
similar concerns about
Viper (https://github.com/kubernetes/kubeadm/issues/1040).
Instead of making a choice now for E2E, the recommendation is that
test authors continue to define command line flags as before, except
that they should do it in their own code and with better flag names.
But the ability to read options also from a file is useful, so
several enhancements get added:
- all settings defined via flags can also be read from a
configuration file, without extra work for test authors
- framework/config makes it possible to populate a struct directly
and define flags with a single function call
- a path and file suffix can be given to --viper-config (as in
"--viper-config /tmp/e2e.json") instead of expecting the file in
the current directory; as before, just plain "--viper-config e2e"
still works
- if "--viper-config" is set, the file must exist; otherwise the
"e2e" config is optional (as before)
- errors from Viper are no longer silently ignored, so syntax errors
are detected early
- Viper support is optional: test suite authors who don't want
it are not forced to use it by the e2e/framework
Individual implementations are not yet being moved.
Fixed all dependencies which call the interface.
Fixed golint exceptions to reflect the move.
Added project info as per @dims and
https://github.com/kubernetes/kubernetes-template-project.
Added dims to the security contacts.
Fixed minor issues.
Added missing template files.
Copied ControllerClientBuilder interface to cp.
This allows us to break the only dependency on K8s/K8s.
Added TODO to ControllerClientBuilder.
Fixed GoDeps.
Factored in feedback from JustinSB.
Some e2e tests are skipped by depending on Linux distribution of
master and node, and the options can be one of "debian", "ubuntu",
"gci" or "custom". This updates the help message of the options.
The words "error" and "fail" are magic in test output, and are
highlighted in the build logs. Change some test strings to avoid
hitting the highlighting in normal operation.
The new test/e2e/framework/testfiles package makes it possible to
write tests that do not depend on a specific way of providing
additional test files at runtime. Such tests and the framework are
then more easily reused in other test suites.
In the test/e2e suite file access is enabled based on the existing
"repo-root" command line parameter and the built-in bindata. Tests
using the new API will first check for files under "repo-root" and
then fall back to the builtin data. This way, users of a test binary
can modify those files without having to rebuild the binary.
"repo-root" is still needed because at least some tests check for
additional files (secret.yaml, via ingress_utils.go) that are not part
of the upstream source code and thus may or may not be built into a
test binary.
Tests using bindata or repo-root directly get modified to use the new
API, or removed when they are obsolete: test/e2e/examples.go depended
on files that were removed in
https://github.com/kubernetes/kubernetes/pull/61246 and thus can no
longer be run in Kubernetes. Moving the tests to kubernetes/examples
is tracked in https://github.com/kubernetes/examples/issues/214.
The file removal did not break the automated E2E testing probably
because the tests are under the Feature:Example tag and thus not
enabled during normal CI runs.
Removing also the obsolete tests makes it simpler to rework the
"repo-root" setting because less code uses it.
Related-to: #66649 and #23987
New command is now `kubectl diff` rather than `kubectl alpha diff` since
it's moving out of alpha soon, and will be using dry-run apply to
produce the diff rather than the custom merge logic.
This change makes the schema structs consistently use non-pointer
receivers. This makes it easier to call these methods since these
structs are used as values instead of pointers.
Signed-off-by: Monis Khan <mkhan@redhat.com>
Bootstrap initializes the necessary vSphere objects before the tests are
run. A call to Bootstrap was missing in persistent_volumes-vsphere.go's
BeforeEach. This results in Panic while running e2e tests for 'vsphere'
provider with a stack trace like this:
/usr/local/go/src/runtime/panic.go:502 +0x229
github.com/docker/kube-e2e-image/vendor/k8s.io/kubernetes/test/e2e/storage/vsphere.glob..func1.1()
/go/src/github.com/docker/kube-e2e-image/vendor/k8s.io/kubernetes/test/e2e/storage/vsphere/persistent_volumes-vsphere.go:77
+0xa21
github.com/docker/kube-e2e-image/vendor/github.com/onsi/ginkgo/internal/leafnodes.(*runner).runSync(0xc4217c9b60,
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ...)
/go/src/github.com/docker/kube-e2e-image/e2e_test.go:88 +0x2c8
testing.tRunner(0xc4206e01e0, 0x4212900)
/usr/local/go/src/testing/testing.go:777 +0xd0
created by testing.(*T).Run
/usr/local/go/src/testing/testing.go:824 +0x2e0
This change fixes the Panic by calling Bootstrap.
Testing:
After this change, tests with FOCUS set to "PersistentVolumes:vsphere"
dont Panic. They pass as expected.
Signed-off-by: Anusha Ragunathan <anusha.ragunathan@docker.com>
Normally the pod would get created via a DaemonSet controller, but
during testing it is easier to create it directly. We just need to
ignore errors (like 'No API token found for service account
"csi-service-account"') and retry for a while. If the error persists,
the error will still abort and report it eventually.
This problem also occurs elsewhere, so an utility function in the
framework for it seems justified.
Fixes: #68776
This fixes the Redis StatefulSet e2e test by adding the missing `publishNotReadyAddresses: true` field, which was accidentially left out in #63742.
Without this fix, the redis e2e test will fail because the pod is unable
to lookup the service:
```
2018/09/14 13:57:10 lookup redis on 172.31.9.247:53: no such host
```
Signed-off-by: Mikkel Oscar Lyderik Larsen <mikkel.larsen@zalando.de>
The current interface is kind of clunky and not super easy to use, since
you have to specify parameters to specify which versions to diff. Also
the default isn't the most useful setting.
Change the interface by removing all the parameters and force only one
useful use-case, that is: diffing what's currently live against
what would be live if applied.
The EtcdMain function in integration tests is designed to launch an etcd
instance only when running in a bazel test. For non-bazel, we rely on
hack/make-rules/test-integration.sh to bring up the etcd instance.
This patch fixes the following in EtcdMain:
1. If etcd is not found in ${RUNFILES_DIR} then look in ${PATH}.
2. Try to connect to the etcd started by `make test-integraion`; if it
is up, then don't start etcd.
3. Gracefully shut down etcd after tests.
4. Get a port from the OS instead of deriving it from argv[0].
5. Don't use sync.Once.
The benefit of this change is that integration tests work with `go test`
as well as `make test-integration` without users needing to do anything
special. That makes it much easier to pass go testing flags to tests and
integrate with IDEs.
Automatic merge from submit-queue. If you want to cherry-pick this change to another branch, please follow the instructions here: https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md.
Added unschedulable and network-unavailable toleration.
Signed-off-by: Da K. Ma <klaus1982.cn@gmail.com>
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
part of #61312
fixes: https://github.com/kubernetes/kubernetes/issues/67606
**Release note**:
```release-note
If `TaintNodesByCondition` is enabled, add `node.kubernetes.io/unschedulable` and
`node.kubernetes.io/network-unavailable` automatically to DaemonSet pods.
```
Automatic merge from submit-queue (batch tested with PRs 65250, 68241). If you want to cherry-pick this change to another branch, please follow the instructions here: https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md.
Initial node performance testing framework.
This PR adds a framework for node performance testing.
Partially fixes: https://github.com/kubernetes/kubernetes/issues/65249.
Use the following command to run this test:
```sh
make test-e2e-node FOCUS="Node Performance Testing" SKIP="" PARALLELISM=1
```
It has been tested in the following environment:
- n1-standard-16
- Ubuntu 16.04
- docker 17.03.2
Note to reviewers:
This PR won't pass node e2e since the docker images in https://github.com/kubernetes/kubernetes/pull/65251 are required for this to function. The node e2e will fail when trying to pull the required images for testing.
Automatic merge from submit-queue. If you want to cherry-pick this change to another branch, please follow the instructions here: https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md.
CSI Node info registration in kubelet
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixes#67683
**Special notes for your reviewer**:
Feature issue: https://github.com/kubernetes/features/issues/557
Design doc: https://github.com/kubernetes/community/pull/2034
Missing pieces:
* CSI client retry and exponential backoff logic.
* CSINodeInfo object validation
* e2e test with all the CSI machinery.
An RBAC rule is also added to support external-provisioner topology updates.
**Release note**:
```release-note
Registers volume topology information reported by a node-level Container Storage Interface (CSI) driver. This enables Kubernetes support of CSI topology mechanisms.
```
Automatic merge from submit-queue (batch tested with PRs 68341, 68385). If you want to cherry-pick this change to another branch, please follow the instructions here: https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md.
Fixed error message reporting for Gluster driver tests
Quick fix for error message for Gluster driver tests. This doesn't solve the problem but will make it easier to pinpoint the issue if it flakes again on CI.
Related to: #68373
/sig storage
/kind bug
/assign @msau42
```release-note
NONE
```
Automatic merge from submit-queue (batch tested with PRs 67950, 68195). If you want to cherry-pick this change to another branch, please follow the instructions here: https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md.
Remove e2e-image-puller
**What this PR does / why we need it**:
A long time ago, We added the image prepulling as a workaround due to
the overwhelming amount of flake caused by pulling during the tests.
This functionality has been broken for a while now when we switched to a
COS image where mounting `docker` binary into `busybox` stopped working.
So we just have dead code we should clean up.
Change-Id: I538171a5c1d9361eee7f9e0a99655b88b1721e3e
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixes#63355
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
Automatic merge from submit-queue. If you want to cherry-pick this change to another branch, please follow the instructions here: https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md.
Update default etcd server to 3.2.24 for kubernetes 1.12
**What this PR does / why we need it**:
Update default etcd server to 3.2.24 for kubernetes 1.12
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
xref #68147
**Special notes for your reviewer**:
NONE
**Release note**:
```
Update default etcd server to 3.2.24 for kubernetes 1.12
```
/assign @wojtek-t @jpbetz @dims
/cc @kubernetes/sig-cluster-lifecycle-pr-reviews @gyuho
What this PR does / why we need it:
Simple code and typo fixed in nfs tests. The tests in nfs are useful as an example of how to configure a NFS server and this typo was hurting code comprehension.
Which issue(s) this PR fixes (optional, in fixes #<issue number>(, fixes #<issue_number>, ...) format, will close the issue(s) when PR gets merged):
none
Special notes for your reviewer:
none
Release note:
none
Automatic merge from submit-queue (batch tested with PRs 68087, 68256, 64621, 68299, 68296). If you want to cherry-pick this change to another branch, please follow the instructions here: https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md.
Bump addon-manager to v8.7
**What this PR does / why we need it**:
Major changes:
- Support extra `--prune-whitelist` resources in kube-addon-manager.
- Update kubectl to v1.10.7.
Basically picking up https://github.com/kubernetes/kubernetes/pull/67743.
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixes #NONE
**Special notes for your reviewer**:
/assign @Random-Liu @mikedanese
**Release note**:
```release-note
Bump addon-manager to v8.7
- Support extra `--prune-whitelist` resources in kube-addon-manager.
- Update kubectl to v1.10.7.
```
This changes the custom metrics client logic over to support multiple versions
of the custom metrics API by checking discovery to find the appropriate versions.
Fixes#68011
Co-authored-by: Solly Ross <sross@redhat.com>
Automatic merge from submit-queue. If you want to cherry-pick this change to another branch, please follow the instructions here: https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md.
Fix gce localssd pv tests
**What this PR does / why we need it**:
When running local PV tests against GCE local SSD, it directly uses the disk so doesn't need to create a tmp dir like the other test formats. Fsgroup tests do not create test-file so don't error on cleanup if the file doesn't exist.
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixes#68308
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
Automatic merge from submit-queue (batch tested with PRs 68171, 67945, 68233). If you want to cherry-pick this change to another branch, please follow the instructions here: https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md.
Move the CloudControllerManagerConfiguration to an API group in `cmd/`
**What this PR does / why we need it**:
This PR is the last piece of https://github.com/kubernetes/kubernetes/issues/67233.
It moves the `CloudControllerManagerConfiguration` to its own `cloudcontrollermanager.config.k8s.io` config API group, but unlike the other components this API group is "private" (only available in `k8s.io/kubernetes`, which limits consumer base), as it's located entirely in `cmd/` vs a staging repo.
This decision was made for now as we're not sure what the story for the ccm loading ComponentConfig files is, and probably a "real" file-loading ccm will never exist in core, only helper libraries. Eventually the ccm will only be a library in any case, and implementors will/can use the base types the ccm library API group provides. It's probably good to note that there is no practical implication of this change as the ccm **cannot** read ComponentConfig files. Hencec the code move isn't user-facing.
With this change, we're able to remove `pkg/apis/componentconfig`, as this was the last consumer. That is hence done in this PR as well (so the move is easily visible in git, vs first one "big add" then a "big remove"). The only piece of code that was used was the flag helper structs, so I moved them to `pkg/util/flag` that I think makes sense for now.
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
ref: kubernetes/community#2354
**Special notes for your reviewer**:
This PR builds on top of (first two commits, marked as `Co-authored by: @stewart-yu`) https://github.com/kubernetes/kubernetes/pull/67689
**Release note**:
```release-note
NONE
```
/assign @liggitt @sttts @thockin @stewart-yu
Automatic merge from submit-queue (batch tested with PRs 68171, 67945, 68233). If you want to cherry-pick this change to another branch, please follow the instructions here: https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md.
[e2e] verifying LimitRange update is effective before creating new pod
**What this PR does / why we need it**:
Refer to the flaky test mentioned in #68170, LimitRange updating should be verified before creating new pod.
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixes#68170
**Special notes for your reviewer**:
/cc bsalamat k82cn
/sig scheduling
**Release note**:
```release-note
[e2e] verifying LimitRange update is effective before creating new pod
```
At e2e test for "apply set/view last-applied",
failure message is `Missing "replicas": 2 in kubectl
view-last-applied`, in spite of `replicas` key is contained.
This changes `Missing` to `Presenting`.
Automatic merge from submit-queue (batch tested with PRs 68161, 68023, 67909, 67955, 67731). If you want to cherry-pick this change to another branch, please follow the instructions here: https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md.
CSI: skip attach for non-attachable drivers
**What this PR does / why we need it**:
This is implementation of https://github.com/kubernetes/community/pull/2523. CSI volumes that don't need attach/detach now don't need external attacher running.
WIP:
* contains #67803 to get CSIDriver API. Ignore the first commit.
* ~~missing e2e test~~
/sig storage
cc: @saad-ali @vladimirvivien @verult @msau42 @gnufied @davidz627
**Release note**:
```release-note
CSI volume plugin does not need external attacher for non-attachable CSI volumes.
```
Automatic merge from submit-queue (batch tested with PRs 68161, 68023, 67909, 67955, 67731). If you want to cherry-pick this change to another branch, please follow the instructions here: https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md.
Replace git volume with configmap in emptydir wrapper conflict test
**What this PR does / why we need it**: GitRepoVolumeSource is deprecated, use a ConfigMap instead. (This test is part of the conformance suite, so it would be good to allow downstreams to disable/not support gitRepo)
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixes #
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
Automatic merge from submit-queue (batch tested with PRs 67691, 68147). If you want to cherry-pick this change to another branch, please follow the instructions here: https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md.
Bump versions of components with latest security patches.
**What this PR does / why we need it**:
Upgrade versions of monitoring components used on GCP, to include latest security patches.
**Release note**:
```release-note
[fluentd-gcp-scaler addon] Bump fluentd-gcp-scaler to 0.4 to pick up security fixes.
[prometheus-to-sd addon] Bump prometheus-to-sd to 0.3.1 to pick up security fixes, bug fixes and new features.
[event-exporter addon] Bump event-exporter to 0.2.3 to pick up security fixes.
```
Automatic merge from submit-queue (batch tested with PRs 67709, 67556). If you want to cherry-pick this change to another branch, please follow the instructions here: https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md.
Fix volume scheduling issue with pod affinity and anti-affinity
**What this PR does / why we need it**:
The previous design of the volume scheduler had volume assume + bind done before pod assume + bind. This causes issues when trying to evaluate future pods with pod affinity/anti-affinity because the pod has not been assumed while the volumes have been decided.
This PR changes the design so that volume and pod are assumed first, followed by volume and pod binding. Volume binding waits (asynchronously) for the operations to complete or error. This eliminates the subsequent passes through the scheduler to wait for volume binding to complete (although pod events or resyncs may still cause the pod to run through scheduling while binding is still in progress). This design also aligns better with the scheduler framework design, so will make it easier to migrate in the future.
Many changes had to be made in the volume scheduler to handle this new design, mostly around:
* How we cache pending binding operations. Now, any delayed binding PVC that is not fully bound must have a cached binding operation. This also means bind API updates may be repeated.
* Waiting for the bind operation to fully complete, and detecting failure conditions to abort the bind and retry scheduling.
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixes#65131
**Special notes for your reviewer**:
**Release note**:
```release-note
Fixes issue where pod scheduling may fail when using local PVs and pod affinity and anti-affinity without the default StatefulSet OrderedReady pod management policy
```
Automatic merge from submit-queue (batch tested with PRs 66840, 68159). If you want to cherry-pick this change to another branch, please follow the instructions here: https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md.
TTL for cleaning up Jobs after they finish
**What this PR does / why we need it**: https://github.com/kubernetes/features/issues/592
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixes#64470
For https://github.com/kubernetes/features/issues/592
**Special notes for your reviewer**: @kubernetes/sig-apps-pr-reviews
**Release note**:
```release-note
Add a TTL machenism to clean up Jobs after they finish.
```
Automatic merge from submit-queue (batch tested with PRs 67736, 68123, 68138). If you want to cherry-pick this change to another branch, please follow the instructions here: https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md.
Update external provisioner test to use latest nfs-provisioner
**What this PR does / why we need it**: latest nfs-provisioner will work with cri-containerd, so let's update it
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixes #
**Special notes for your reviewer**: I want to move this test to use nfs-client-provisioner soon anyway since a lot of our e2e tests already use a containerized nfs server and it would be good to be consistent. So this can be treated as something of a stopgap but it would be nice to have ASAP to unblock https://github.com/kubernetes-incubator/external-storage/issues/432#issuecomment-417511065
**Release note**:
```release-note
NONE
```
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Port security context NodeConformance e2e_node tests to e2e
**What this PR does / why we need it**:
Port all [NodeConformance] SecurityContext e2e_node tests to e2e/common.
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixes#67032
**Special notes for your reviewer**:
- This PR is a continuing effort to close#67032.
- Removed ContainerRuntime constraint [as discussed](https://github.com/kubernetes/kubernetes/pull/67032#discussion_r214201870).
- Porting all [NodeConformance] tests to e2e/common which do not have node dependencies.
- Does it make sense to port [privileged test](https://github.com/kubernetes/kubernetes/blob/master/test/e2e_node/security_context_test.go#L558) to e2e/common and remove [NodeFeature:HostAccess] label from test name?
**Release note**:
```release-note
NONE
```
/area conformance
@kubernetes/sig-node-pr-reviews
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Support both directory and block device for local volume plugin FileSystem VolumeMode
Support both directory and block device for local volume plugin FileSystem VolumeMode
xref: [local storage dynamic provisioning design #1914](https://github.com/kubernetes/community/pull/1914)
**What this PR does / why we need it**:
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixes #
**Special notes for your reviewer**:
**Release note**:
```release-note
Support both directory and block device for local volume plugin FileSystem VolumeMode
```
A long time ago, We added the image prepulling as a workaround due to
the overwhelming amount of flake caused by pulling during the tests.
This functionality has been broken for a while now when we switched to a
COS image where mounting `docker` binary into `busybox` stopped working.
So we just have dead code we should clean up.
Change-Id: I538171a5c1d9361eee7f9e0a99655b88b1721e3e
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Add --server-dry-run flag to `kubectl apply`
- Adds the flag
- changes the helper so that we can pass options for patch,
- Adds a test to make sure it doesn't change the object
**What this PR does / why we need it**:
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixes #
**Special notes for your reviewer**:
**Release note**:
```release-note
Add new `--server-dry-run` flag to `kubectl apply` so that the request will be sent to the server with the dry-run flag (alpha), which means that changes won't be persisted.
```
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Update echoserver version used to 2.2
Change-Id: Ic1dcb2c64ac682ca601ab2589fd6af70d4e09620
**What this PR does / why we need it**:
In https://github.com/kubernetes/kubernetes/pull/67578 we updated the image. Let's please switch to the new image
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixes #
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
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Taint node in paralle.
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixes#67823
**Release note**:
```release-note
None
```
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Enable ImageLocalityPriority by default with integration tests
**What this PR does / why we need it**:
This PR is a follow-up to [#63842](https://github.com/kubernetes/kubernetes/issues/63842). It moves the ImageLocalityPriority function to default priority functions of the default algorithm provider and adds integration tests for the updated scheduling policy.
- Compared to [#64662](https://github.com/kubernetes/kubernetes/pull/64662), this PR does note provide e2e test due to concerns about a large image may add too much overhead to the testing infrastructure and pipeline. We should add e2e tests in the future with the use of large enough image(s) in following PRs.
- Compared to [#64662](https://github.com/kubernetes/kubernetes/pull/64662), this PR simplifies the code changes and keeps code changes under test/integration/scheduler/.
- The PR contains a bug fix for [#65745](https://github.com/kubernetes/kubernetes/pull/65745) - caught by the integration test - where the image states are not properly cloned to the scheduler's cachedNodeInfoMap. We might split this fix into a separate PR.
The integration test covers what follows: a pod requiring a large image (~= 3GB) is submitted to the cluster and there is a single node in the cluster has the same large image; the pod should get scheduled to that node. We might also consider whether more scenarios are desired.
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixes #
**Special notes for your reviewer**:
Kindly ping @resouer and @bsalamat
**Release note**:
```release-note
None
```
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cloud-ctrl-mgr: enable secure port 10258
This PR enables authn+authz (delegated to the kube-apiserver) and the secure port 10258 for the cloud-controller-manager. In addition, the insecure port is disabled.
This is the counterpart PR to https://github.com/kubernetes/kubernetes/pull/64149.
Moreover, it adds integration test coverage for the `--port` and `--secure-port` flags, plus the testserver infrastructure to tests flags in general inside integration tests.
```release-note
Enable secure serving on port 10258 to cloud-controller-manager (configurable via `--secure-port`). Delegated authentication and authorization have to be configured like for aggregated API servers.
```
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Fixes#67561 Multiple same headers got wrong result on gcr.io/google-containers/echoserver:1.10
**What this PR does / why we need it**:
Fix a bug of echoserver
**Which issue(s) this PR fixes**:
Fixes#67561
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
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apiserver returns continue together with the 410 error
Implements https://github.com/kubernetes/kubernetes/issues/66981#issuecomment-410845134.
Closes#66981.
/sig api-machinery
/assign @lavalamp @liggitt @smarterclayton
```release-note
Upon receiving a LIST request with expired continue token, the apiserver now returns a continue token together with the 410 "the from parameter is too old " error. If the client does not care about getting a list from a consistent snapshot, the client can use this token to continue listing from the next key, but the returned chunk will be from the latest snapshot.
```
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Sync peer-finder code from contrib repo
**What this PR does / why we need it**:
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixes https://github.com/kubernetes/contrib/issues/2643
**Special notes for your reviewer**:
This is just an code sync up PR from https://github.com/kubernetes/contrib/pull/2644
**Release note**:
```release-note
NONE
```
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CSI Cluster Registry and Node Info CRDs
**What this PR does / why we need it**:
Introduces the new `CSIDriver` and `CSINodeInfo` API Object as proposed in https://github.com/kubernetes/community/pull/2514 and https://github.com/kubernetes/community/pull/2034
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixes https://github.com/kubernetes/features/issues/594
**Special notes for your reviewer**:
Per the discussion in https://groups.google.com/d/msg/kubernetes-sig-storage-wg-csi/x5CchIP9qiI/D_TyOrn2CwAJ the API is being added to the staging directory of the `kubernetes/kubernetes` repo because the consumers will be attach/detach controller and possibly kubelet, but it will be installed as a CRD (because we want to move in the direction where the API server is Kubernetes agnostic, and all Kubernetes specific types are installed).
**Release note**:
```release-note
Introduce CSI Cluster Registration mechanism to ease CSI plugin discovery and allow CSI drivers to customize Kubernetes' interaction with them.
```
CC @jsafrane
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Update `kubectl get` sorter to deal with server-side printing
**Release note**:
```release-note
NONE
```
### Why?
Currently, we default to non-server-side printing when sorting items in `kubectl get`. This means that instead of taking advantage of having the server tell `kubectl` how to display information, `kubectl` falls back to using hardcoded resource types to figure out how to print its output. This does not really work with resources that `kubectl` does not know about, and it goes against our goal of snipping any dependencies that `kubectl` has on the core repo.
This patch adds a sorter capable of dealing with Table objects sent by the server when using "server-side printing".
A few things left to take care of:
- ~~[ ] When printing `all` resources, this implementation does not handle sorting every single Table object, but rather _only_ the rows in each object. As a result, output will contain sorted resources of the same _kind_, but the overall list of mixed resources will _not_ itself be sorted. Example:~~
```bash
$ kubectl get all --sort-by .metadata.name
NAME READY STATUS RESTARTS AGE
# pods here will be sorted:
pod/bar 0/2 Pending 0 31m
pod/foo 1/1 Running 0 37m
NAME DESIRED CURRENT READY AGE
# replication controllers here will be sorted as well:
replicationcontroller/baz 1 1 1 37m
replicationcontroller/buz 1 1 1 37m
# ... but the overall mixed list of rc's and pods will not be sorted
```
This occurs because each Table object received from the server contains all rows for that resource _kind_. We would need a way to build an ambiguous Table object containing all rows for all objects regardless of their type to have a fully sorted mixed-object output.
- [ ] handle sorting by column-names, rather than _only_ with jsonpaths (Tracked in https://github.com/kubernetes/kubernetes/issues/68027)
cc @soltysh @kubernetes/sig-cli-maintainers @seans3 @mengqiy
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Wait for Scheduler cache empty.
Signed-off-by: Klaus Ma <klaus1982.cn@gmail.com>
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixes#68126
**Release note**:
```release-note
None
```
Automatic merge from submit-queue (batch tested with PRs 67756, 64149, 68076, 68131, 68120). If you want to cherry-pick this change to another branch, please follow the instructions here: https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md.
kube-ctrl-mgr: enable secure port 10257
This PR enables authn+authz (delegated to the kube-apiserver) and the secure port 10257 for the kube-controller-manager. In addition, the insecure port is disabled.
Moreover, it adds integration test coverage for the `--port` and `--secure-port` flags, plus the testserver infrastructure to tests flags in general inside integration tests.
```release-note
Enable secure serving on port 10257 to kube-controller-manager (configurable via `--secure-port`). Delegated authentication and authorization have to be configured like for aggregated API servers.
```
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Fix hostpath subpath reconstruction tests are failing
**What this PR does / why we need it**:
Fix hostpath subpath reconstruction tests are failing
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixes: #68093
**Special notes for your reviewer**:
/sig storage
**Release note**:
```release-note
NONE
```
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Fix multizone gce pd subpath test
**What this PR does / why we need it**:
The format pod for readonly tests also needs to fill in the NodeSelector for inline gce pd volumes.
Also rename "gce" driver to "gcepd"
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixes#68085
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
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Fix subpath tests not to fail in namespace deletion
**What this PR does / why we need it**:
This PR fixes below subpath test not to fail in namespace deletion
- subPath should support restarting containers using directory as subpath
- subPath should support restarting containers using file as subpath
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixes: #68073
**Special notes for your reviewer**:
/sig storage
/sig testing
**Release note**:
```release-note
NONE
```
This is the old behaviour and we did not intent to change it due to enabled authn/z in general.
As the kube-apiserver this sets the "system:unsecured" user info.
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Move kubelet internal ComponentConfig types to `pkg/kubelet/apis/config`
**What this PR does / why we need it**:
This PR is split out from the main PR of https://github.com/kubernetes/kubernetes/pull/67263, in order to make merging each scoped piece of the puzzle easier and smoother.
This PR simply moves the `k8s.io/kubernetes/pkg/apis/kubeletconfig` as-is to `k8s.io/kubernetes/pkg/apis/config` as agreed in the KEP.
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
ref: kubernetes/community#2354
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
@kubernetes/sig-node-pr-reviews
/assign @mtaufen @thockin @liggitt
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Remove feature tag from dynamic provisioning topology tests
**What this PR does / why we need it**:
Now that the feature has been moved to beta, remove feature tag to let it run in the standard CI suite.
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixes #
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
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Add etcd DB size monitoring in density test
/cc @wojtek-t
fyi - @jpbetz @gyuho @kubernetes/sig-scalability-misc
```release-note
NONE
```
This commit fixes below subpath test not to fail in namespace deletion
- subPath should support restarting containers using directory as subpath
- subPath should support restarting containers using file as subpath
Fixes: #68073
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Refactor volume test in a similar way to csi tests
Refactoring for non-csi e2e test similar to below commit in csi e2e test.
4d11dab272 (diff-0d9ecaa3e6a0297186ad33f57aad472e)
Scopes for this refactoring are below three files:
- test/e2e/storage/volumes.go
- test/e2e/storage/volume_io.go
- test/e2e/storage/persistent_volumes-volumemode.go
**What this PR does / why we need it**:
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixes#66571
**Special notes for your reviewer**:
/sig storage
@davidz627 @msau42 @jsafrane
**Release note**:
```release-note
NONE
```
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Move volume dynamic provisioning scheduling to beta
**What this PR does / why we need it**:
* Combine feature gate VolumeScheduling and DynamicProvisioningScheduling into one
* Add allowedTopologies description in kubectl
**Special notes for your reviewer**:
Wait until related e2e and downside plugins are ready.
/hold
**Release note**:
```release-note
Move volume dynamic provisioning scheduling to beta (ACTION REQUIRED: The DynamicProvisioningScheduling alpha feature gate has been removed. The VolumeScheduling beta feature gate is still required for this feature)
```
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E2E tests for DynamicProvisioningScheduling support for GCE PD and RePD
**What this PR does / why we need it**:
Add end2end tests to exercise DynamicProvisioningScheduling features for GCE PD and RePD. The tests make sure WaitForFirstConsumer and AllowedTopologies specified in a GCE PD/RePD storage class has the desired effect.
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixes #
**Special notes for your reviewer**:
Tests features added in a2de7d2d8d
**Release note**:
```release-note
NONE
```
/sig storage
cc @msau42
Refactoring for non-csi e2e test similar to below commit in csi e2e test.
4d11dab272 (diff-0d9ecaa3e6a0297186ad33f57aad472e)
Scopes for this refactoring are below four files:
- test/e2e/storage/volumes.go
- test/e2e/storage/volume_io.go
- test/e2e/storage/persistent_volumes-volumemode.go
- test/e2e/storage/subpath.go
fixes: #66571
Automatic merge from submit-queue (batch tested with PRs 67739, 65222). If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>.
Tests: Make e2e test platform-agnostic
The test:
[k8s.io] Pods should support remote command execution over websockets [NodeConformance]
uses cat on /etc/resolv.conf and checks if the output from the container is "namespace",
which is incompatible with windows containers as there is no such file.
Since the test just check if remote command execution works, the command is
irrelevant as long as the output checks out. Switched to using echo "remote execution test",
and checking that output as it works for both windows and linux.
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fix an issue that scheduling doesn't respect NodeLost status of a node
**What this PR does / why we need it**:
- if Node is in UnknowStatus, apply unreachable taint with NoSchedule effect
- some internal data structure refactoring
- update unit test
**Which issue(s) this PR fixes**:
Fixes#67733, and very likely #67536
**Special notes for your reviewer**:
See detailed reproducing steps in #67733.
**Release note**:
```release-note
Apply unreachable taint to a node when it lost network connection.
```
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HPA metrics specificity improvements
**What this PR does / why we need it**:
Improves available specificity for HPA metrics by adding metric selector fields for metrics of Pods and Objects.
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Implements this KEP: https://github.com/kubernetes/community/pull/2055
**Special notes for your reviewer**:
Need to add/update tests?
**Release note**:
```release-note
Introduces autoscaling/v2beta2 and custom_metrics/v1beta2, which implement metric selectors for Object and Pods metrics, as well as allowing AverageValue targets on Objects, similar to External metrics.
```
/assign @DirectXMan12
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remove dead protobuf tags from test
The protobuf tags on this object are deceptive. The test doesn't actually verify proto and in fact requires using json instead. This makes for weird errors when you try to "fix" it.
/assign @enj
@kubernetes/sig-api-machinery-pr-reviews
```release-note
NONE
```
Automatic merge from submit-queue (batch tested with PRs 67362, 67256, 67809). If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>.
Dry run integration
Implement an integration test for dry-run. Also, this turns on the knob to allow dry-run requests, so let's be careful.
**What this PR does / why we need it**:
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixes #
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
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WaitForAllNodesSchedulable should check taints as well
**What this PR does / why we need it**:
In https://github.com/kubernetes/kubernetes/issues/67597 we see a lot of cases when test starts before not-ready and network-unavailable taints are removed from the nodes while they already have correct conditions.
This change makes sure that we wait for both.
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
/assign @wojtek-t
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refactor hard code in test/e2e/apimachinery/garbage_collector.go
**What this PR does / why we need it**:
refactor hard code in test/e2e/apimachinery/garbage_collector.go
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixes #
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
This extends the Kubelet to create and periodically update leases in a
new kube-node-lease namespace. Based on [KEP-0009](https://github.com/kubernetes/community/blob/master/keps/sig-node/0009-node-heartbeat.md),
these leases can be used as a node health signal, and will allow us to
reduce the load caused by over-frequent node status reporting.
- add NodeLease feature gate
- add kube-node-lease system namespace for node leases
- add Kubelet option for lease duration
- add Kubelet-internal lease controller to create and update lease
- add e2e test for NodeLease feature
- modify node authorizer and node restriction admission controller
to allow Kubelets access to corresponding leases
Automatic merge from submit-queue. If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>.
Fix error link in comment
**What this PR does / why we need it**:
Fix error link in comment
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixes #
**Special notes for your reviewer**:
NONE
**Release note**:
```release-note
NONE
```
/sig node
Automatic merge from submit-queue (batch tested with PRs 64564, 65043). If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>.
make stackdriver logging tests not block e2e runs
**What this PR does / why we need it**: prevents Stackdriver logging test failures from failing an e2e run
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixes #
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
Automatic merge from submit-queue (batch tested with PRs 66916, 67252, 67794, 67619, 67328). If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>.
Make error messages more helpful in some e2e tests
Related to issues 34059 and 10322
**What this PR does / why we need it**:
This PR makes error messages more helpful in some e2e tests
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixes #
**Special notes for your reviewer**:
This is my first time writing Go/Contributing to Kubernetes - let me know if I've missed anything! :-)
**Release note**:
```release-note
NONE
```
Automatic merge from submit-queue. If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>.
Moving KubeSchedulerConfiguration from ComponentConfig API types to staging repos
**What this PR does / why we need it**:
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixeskubernetes/kubeadm#528
**Special notes for your reviewer**:
/cc luxas timothysc
/cc @kubernetes/sig-cluster-lifecycle-pr-reviews
**Release note**:
```release-note
Moving KubeSchedulerConfiguration from ComponentConfig API types to staging repos
```
manager change in commit 7b1ae66.
Also changes the test to make sure node is indeed ready after Kubelet
restart. The previous readiness check may use old API state but
didn't run into the issue due to the delay of waiting for pod restart.
Automatic merge from submit-queue (batch tested with PRs 67377, 67801). If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>.
Revert "Parallelize RC deletion in density test"
Reverts kubernetes/kubernetes#67712
2k test has failed because of this: even if we trigger removal in parallel, controller manager is deleting replicacontrollers sequentially:
```
I0823 13:35:41.906] Aug 23 13:35:41.906: INFO: Terminating { ReplicationController} density43650-0-584f5bb0-a6d6-11e8-b145-0a580a3c6f08 pods took: 1m0.00118401s
I0823 13:36:42.021] Aug 23 13:36:42.020: INFO: Terminating { ReplicationController} density43650-14-584f5bb0-a6d6-11e8-b145-0a580a3c6f08 pods took: 2m0.00202238s
I0823 13:37:42.056] Aug 23 13:37:42.055: INFO: Terminating { ReplicationController} density43650-8-584f5bb0-a6d6-11e8-b145-0a580a3c6f08 pods took: 3m0.004624139s
I0823 13:38:42.092] Aug 23 13:38:42.092: INFO: Terminating { ReplicationController} density43650-5-584f5bb0-a6d6-11e8-b145-0a580a3c6f08 pods took: 4m0.000797258s
I0823 13:39:32.095] Aug 23 13:39:32.095: INFO: Terminating { ReplicationController} density43650-4-584f5bb0-a6d6-11e8-b145-0a580a3c6f08 pods took: 4m50.000689353s
I0823 13:40:32.206] Aug 23 13:40:32.206: INFO: Terminating { ReplicationController} density43650-11-584f5bb0-a6d6-11e8-b145-0a580a3c6f08 pods took: 5m50.000731007s
I0823 13:41:32.206] Aug 23 13:41:32.206: INFO: Terminating { ReplicationController} density43650-7-584f5bb0-a6d6-11e8-b145-0a580a3c6f08 pods took: 6m50.000648956s
I0823 13:42:32.194] Aug 23 13:42:32.194: INFO: Terminating { ReplicationController} density43650-12-584f5bb0-a6d6-11e8-b145-0a580a3c6f08 pods took: 7m50.001155426s
I0823 13:43:32.282] Aug 23 13:43:32.282: INFO: Terminating { ReplicationController} density43650-10-584f5bb0-a6d6-11e8-b145-0a580a3c6f08 pods took: 8m50.000739417s
I0823 13:44:16.434] W0823 13:44:16.433780 7517 reflector.go:270] k8s.io/kubernetes/test/utils/pod_store.go:56: watch of *v1.Pod ended with: too old resource version: 624915 (659380)
I0823 13:44:32.282] Aug 23 13:44:32.282: INFO: Terminating { ReplicationController} density43650-9-584f5bb0-a6d6-11e8-b145-0a580a3c6f08 pods took: 9m50.000486689s
I0823 13:44:42.283] Aug 23 13:44:42.282: INFO: Unexpected error occurred: error while waiting for pods to become inactive density43650-2-584f5bb0-a6d6-11e8-b145-0a580a3c6f08: timed out waiting for the condition
I0823 13:44:42.331] Aug 23 13:44:42.331: INFO: Unexpected error occurred: error while waiting for pods to become inactive density43650-1-584f5bb0-a6d6-11e8-b145-0a580a3c6f08: timed out waiting for the condition
I0823 13:44:42.333] Aug 23 13:44:42.332: INFO: Unexpected error occurred: error while waiting for pods to become inactive density43650-6-584f5bb0-a6d6-11e8-b145-0a580a3c6f08: timed out waiting for the condition
I0823 13:44:42.334] Aug 23 13:44:42.333: INFO: Unexpected error occurred: error while waiting for pods to become inactive density43650-13-584f5bb0-a6d6-11e8-b145-0a580a3c6f08: timed out waiting for the condition
I0823 13:44:42.437] Aug 23 13:44:42.436: INFO: Unexpected error occurred: error while waiting for pods to become inactive density43650-3-584f5bb0-a6d6-11e8-b145-0a580a3c6f08: timed out waiting for the condition
```
Automatic merge from submit-queue (batch tested with PRs 67707, 62420). If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>.
svcacct: support jose.OpaqueSigner and push errors to token generator creation
```release-note
NONE
```
Automatic merge from submit-queue. If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>.
diff: Fix crash when remote object doesn't exist
Since we're saving nil in an interface rather than the implementation,
we can't compare to nil to check if the remote object exists or
not. Change the struct to save in the implementation.
**What this PR does / why we need it**:
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixes #
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
Automatic merge from submit-queue. If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>.
remove rescheduler since scheduling DS pods by default scheduler is moving to beta
**What this PR does / why we need it**:
remove rescheduler since scheduling DS pods by default scheduler is moving to beta
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixes#64725
**Special notes for your reviewer**:
**Release note**:
```release-note
Remove rescheduler since scheduling DS pods by default scheduler is moving to beta.
```
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