Automatic merge from submit-queue (batch tested with PRs 49642, 50335, 50390, 49283, 46582)
Admit sysctls for other runtime.
Fixes https://github.com/kubernetes/kubernetes/issues/50343.
Admit sysctl for other runtimes.
/cc @mikebrow @yujuhong @feiskyer @sttts
Automatic merge from submit-queue (batch tested with PRs 49642, 50335, 50390, 49283, 46582)
Improve GC discovery sync performance
Improve GC discovery sync performance by only syncing when discovered
resource diffs are detected. Before, the GC worker pool was shut down
and monitors resynced unconditionally every sync period, leading to
significant processing delays causing test flakes where otherwise
reasonable GC timeouts were being exceeded.
Related to https://github.com/kubernetes/kubernetes/issues/49966.
/cc @kubernetes/sig-api-machinery-bugs
```release-note
NONE
```
Automatic merge from submit-queue (batch tested with PRs 49642, 50335, 50390, 49283, 46582)
Add rbac.authorization.k8s.io/v1
xref https://github.com/kubernetes/features/issues/2
Promotes the rbac.authorization.k8s.io/v1beta1 API to v1 with no changes
```release-note
The `rbac.authorization.k8s.io/v1beta1` API has been promoted to `rbac.authorization.k8s.io/v1` with no changes.
The `rbac.authorization.k8s.io/v1alpha1` version is deprecated and will be removed in a future release.
```
Automatic merge from submit-queue (batch tested with PRs 49615, 49321, 49982, 49788, 50355)
Simplify hack/verify-flags-underscore.py
**What this PR does / why we need it**:
This PR removes the need for `hack/verify-flags/known-flags.txt` and verify-flags-underscore.py will always parse the flags from go files to check if they have underscore.
It is much faster compared to earlier checks and it does its job to check for underscore in flags.
Now:
```
# time ./hack/verify-flags-underscore.py
real 0m1.638s
user 0m1.560s
sys 0m0.076s
```
Before:
```
# time ./hack/verify-flags-underscore.py
real 0m22.585s
user 0m22.464s
sys 0m0.112s
```
It has become a pain to keep adding new flag to `known-flags.txt` whenever a new flag is introduced. with this PR this is step is not required anymore.
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes#40329#50319
**Special notes for your reviewer**:
**Release note**:
```
NONE
```
/cc @fejta @mtaufen
Automatic merge from submit-queue (batch tested with PRs 49615, 49321, 49982, 49788, 50355)
csr: add resync to csr approver
fixes https://github.com/kubernetes/kubernetes/issues/49787
```release-note
Fix an issue where if a CSR is not approved initially by the SAR approver is not retried.
```
Automatic merge from submit-queue (batch tested with PRs 49615, 49321, 49982, 49788, 50355)
kubeadm: Move all node bootstrap token related code in one phase package
**What this PR does / why we need it**:
Part of the phases refactoring.
Moves everything Node Bootstrap Token-related into its own package.
In the future there will be a `phases/bootstraptoken/master` pkg as well.
The generic bootstrap token client functions should be moved to client go eventually https://github.com/kubernetes/client-go/issues/114
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes #
**Special notes for your reviewer**:
I'll yet add the CLI interface for this tomorrow.
Not sure if this compiles currently, but I'm uploading this now for initial review.
**Release note**:
```release-note
NONE
```
@kubernetes/sig-cluster-lifecycle-pr-reviews @mattmoyer
Automatic merge from submit-queue (batch tested with PRs 49615, 49321, 49982, 49788, 50355)
Fix unused Secret export logic.
**What this PR does / why we need it**:
The strategy used for the secret store defined custom export logic, and
had accompanying unit tests. However the secret storage did not actually
wire this up by setting an ExportStrategy and thus the code was never
used in the real world.
This change fixes the missing assignment and adds testing at a higher
level to ensure any uses of the generic registry.Store that we expect to
have an ExportStrategy do, and no others.
Several other strategies in the RBAC package also appeared to have
unwired Export logic, however their implementations were all empty
leading me to believe that these are not considered exportable. The
empty methods have now been removed.
**Which issue this PR fixes**: fixes#49042
**Release note**:
```release-note
```
Automatic merge from submit-queue (batch tested with PRs 49615, 49321, 49982, 49788, 50355)
remove redundant comment
**What this PR does / why we need it**:
there has redundant comment and delete it!
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes #
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
Automatic merge from submit-queue (batch tested with PRs 50300, 50328, 50368, 50370, 50372)
Bugfix: set resources only for fluentd-gcp container.
There is more than one container in fluentd-gcp deployment. Previous
implementation was setting resources for all containers, not just
the fluent-gcp one.
**What this PR does / why we need it**:
Bugfix; https://github.com/kubernetes/kubernetes/pull/49009 without this is eating more resources.
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes#50366
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
Automatic merge from submit-queue (batch tested with PRs 50300, 50328, 50368, 50370, 50372)
correct the allocated element number of pod selectable field set
a little fix to correct the allocated element number of pod selectable field set
Automatic merge from submit-queue (batch tested with PRs 50300, 50328, 50368, 50370, 50372)
Reduce hollow-kubelet cpu request
Fixes https://github.com/kubernetes/kubernetes/issues/50366
This should make kubemark-500 fit in 6 nodes again. Checked that it should be enough.
cc @kubernetes/sig-scalability-misc
Automatic merge from submit-queue (batch tested with PRs 50300, 50328, 50368, 50370, 50372)
Add unit tests for GenerateLink
Fixes https://github.com/kubernetes/kubernetes/issues/48321
cc @lavalamp
```release-note
NONE
```
Automatic merge from submit-queue (batch tested with PRs 50300, 50328, 50368, 50370, 50372)
Clean validation_test go file
When i wrote test cases for feature gate of local storage quota, found some unused vars and useless code, remove them
**Release note**:
```release-note
NONE
```
Automatic merge from submit-queue (batch tested with PRs 50418, 49830, 49206, 49061, 49912)
add LocalZone into gce.conf and refactor gce cloud provider configura…
The main goal of this PR is to make gce cloud provider able to run locally.
1. added a LocalZone parameter into gce.conf.
2. refactor `newGCECloud` to avoid contacting metadata server if configuration is already available.
```release-note
None
```
Automatic merge from submit-queue (batch tested with PRs 50418, 49830, 49206, 49061, 49912)
Promotes TolerateUnreadyEndpoints annotation to a field (beta)
This PR promotes add the v1.Service.PublishNotReadyAddresses field and adds a deprecation notice for The "service.alpha.kubernetes.io/tolerate-unready-endpoints".
fixes #47880,#25283
```release-note
The v1.Service.PublishNotReadyAddresses field is added to notify DNS addons to publish the notReadyAddresses of Enpdoints. The "service.alpha.kubernetes.io/tolerate-unready-endpoints" annotation has been deprecated and will be removed when clients have sufficient time to consume the field.
```
Automatic merge from submit-queue (batch tested with PRs 50418, 49830, 49206, 49061, 49912)
Add UT case for pdb printer
**What this PR does / why we need it**:
Add UT case for pdb printer
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes #
NONE
**Special notes for your reviewer**:
NONE
**Release note**:
```release-note
NONE
```
Automatic merge from submit-queue (batch tested with PRs 50418, 49830, 49206, 49061, 49912)
Renamed packge name to apiv1
**What this PR does / why we need it**:
Renamed packge name from k8s_api_v1 to apiv1
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes #
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
Automatic merge from submit-queue (batch tested with PRs 50418, 49830, 49206, 49061, 49912)
Target godep script change verifications
helps with #50319
`hack/verify-godeps.sh` takes ~15 minutes of the verify job time. We should not run it if not required, especially since the job is regularly timing out at 1 hour when this check is included.
https://github.com/kubernetes/kubernetes/pull/48653 added a check to run it if *anything* under `hack` was changed. This targetes just changes to the godep scripts
Automatic merge from submit-queue
remove apps/v1beta2 defaulting codes for obj.Spec.Selector and obj.Labels
**What this PR does / why we need it**:
This PR removes defaulting codes for `obj.Spec.Selector`. Currently, `obj.Spec.Selector.MatchLabels` is set to `obj.Spec.Template.Labels` if `obj.Spec.Template.Labels != nil && obj.Spec.Selector == nil`. We should not perform this defaulting operation as controllers selectors are immutable.
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes#50339
**Special notes for your reviewer**:
This PR removes defaulting codes for `apps/v1beta2` only. The defaulting codes for validation will be removed in another PR.
**Release note**:
```NONE
```
Automatic merge from submit-queue
VSphere cloud provider code refactoring
The current PR tracks the vSphere Cloud Provider code refactoring which includes the following changes.
- VCLib Package - A framework used by vSphere cloud provider for managing the vSphere entities. VCLib package mainly does the following:
- Volume management on datastore (Create/Delete)
- Volume management on Virtual Machines (Attach/Detach)
- Storage Policy Management
- vSphere Cloud Provider changes to implement the cloud provider interfaces by calling into VCLib package.
- Modifications to e2e tests to accomodate the latest design changes.
@divyenpatel @rohitjogvmw @luomiao
```release-note
vSphere cloud provider: vSphere cloud provider code refactoring
```
Automatic merge from submit-queue
GKE deployment: Kill cluster/gke
kubernetes/test-infra#3983 migrated the remaining GKE jobs using the bash deployment (cluster/gke). All jobs are now on the gke `deployer` in `kubetest`.
Fixeskubernetes/test-infra#3307
```release-note
`cluster/gke` has been removed. GKE end-to-end testing should be done using `kubetest --deployment=gke`
```
Automatic merge from submit-queue
kubeadm: Upload configuration used at 'kubeadm init' time to ConfigMap for easier upgrades
**What this PR does / why we need it**:
Uploads config used to a ConfigMap so we can upgrade a cluster seamlessly without forcing the user to re-specify all options they specified the first time.
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes #
fixes: https://github.com/kubernetes/kubeadm/issues/373
**Special notes for your reviewer**:
This should be a cherrypick-candidate for easier upgrading to v1.8
cc @wojtek-t
**Release note**:
```release-note
kubeadm: Upload configuration used at 'kubeadm init' time to ConfigMap for easier upgrades
```
@kubernetes/sig-cluster-lifecycle-pr-reviews @timothysc
Automatic merge from submit-queue (batch tested with PRs 50016, 49583, 49930, 46254, 50337)
Break up node controller into packages
This change does NO actual code changes other than moving constituent
parts into packages.
```release-note
NONE
```
Automatic merge from submit-queue (batch tested with PRs 50016, 49583, 49930, 46254, 50337)
Alpha Dynamic Kubelet Configuration
Feature: https://github.com/kubernetes/features/issues/281
This proposal contains the alpha implementation of the Dynamic Kubelet Configuration feature proposed in ~#29459~ [community/contributors/design-proposals/dynamic-kubelet-configuration.md](https://github.com/kubernetes/community/blob/master/contributors/design-proposals/dynamic-kubelet-configuration.md).
Please note:
- ~The proposal doc is not yet up to date with this implementation, there are some subtle differences and some more significant ones. I will update the proposal doc to match by tomorrow afternoon.~
- ~This obviously needs more tests. I plan to write several O(soon). Since it's alpha and feature-gated, I'm decoupling this review from the review of the tests.~ I've beefed up the unit tests, though there is still plenty of testing to be done.
- ~I'm temporarily holding off on updating the generated docs, api specs, etc, for the sake of my reviewers 😄~ these files now live in a separate commit; the first commit is the one to review.
/cc @dchen1107 @vishh @bgrant0607 @thockin @derekwaynecarr
```release-note
Adds (alpha feature) the ability to dynamically configure Kubelets by enabling the DynamicKubeletConfig feature gate, posting a ConfigMap to the API server, and setting the spec.configSource field on Node objects. See the proposal at https://github.com/kubernetes/community/blob/master/contributors/design-proposals/dynamic-kubelet-configuration.md for details.
```
Automatic merge from submit-queue (batch tested with PRs 50016, 49583, 49930, 46254, 50337)
Remove scheduledjobs
This is a prerequisite for promoting CronJobs to beta.
**Release note**:
```release-note
Remove deprecated ScheduledJobs endpoints, use CronJobs instead.
```
Automatic merge from submit-queue (batch tested with PRs 50016, 49583, 49930, 46254, 50337)
[Federation] Make the hpa scale time window configurable
This PR is on top of open pr https://github.com/kubernetes/kubernetes/pull/45993.
Please review only the last commit in this PR.
This adds a config param to controller manager, the value of which gets passed to hpa adapter via sync controller.
This is needed to reduce the overall time limit of the hpa scaling window to much lesser (then the default 2 mins) to get e2e tests run faster. Please see the comment on the newly added parameter.
**Special notes for your reviewer**:
@kubernetes/sig-federation-pr-reviews
@quinton-hoole
@marun to please validate the mechanism used to pass a parameter from cmd line to adapter.
**Release note**:
```
federation-controller-manager gets a new flag --hpa-scale-forbidden-window.
This flag is used to configure the duration used by federation hpa controller to determine if it can move max and/or min replicas
around (or not), of a cluster local hpa object, by comparing current time with the last scaled time of that cluster local hpa.
Lower value will result in faster response to scalibility conditions achieved by cluster local hpas on local replicas, but too low
a value can result in thrashing. Higher values will result in slower response to scalibility conditions on local replicas.
```
Automatic merge from submit-queue
checking if disk is already attached for photon
**What this PR does / why we need it**: check if disk is already attached
**Which issue this PR fixes** : fixes#49621
**Release note**:
```release-note
```
Automatic merge from submit-queue
Run mount in its own systemd scope.
Kubelet needs to run /bin/mount in its own cgroup.
- When kubelet runs as a systemd service, "systemctl restart kubelet" may kill all processes in the same cgroup and thus terminate fuse daemons that are needed for gluster and cephfs mounts.
- When kubelet runs in a docker container, restart of the container kills all fuse daemons started in the container.
Killing fuse daemons is bad, it basically unmounts volumes from running pods.
This patch runs mount via "systemd-run --scope /bin/mount ...", which makes sure that any fuse daemons are forked in its own systemd scope (= cgroup) and they will survive restart of kubelet's systemd service or docker container.
This helps with #34965
As a downside, each new fuse daemon will run in its own transient systemd service and systemctl output may be cluttered.
@kubernetes/sig-storage-pr-reviews
@kubernetes/sig-node-pr-reviews
```release-note
fuse daemons for GlusterFS and CephFS are now run in their own systemd scope when Kubernetes runs on a system with systemd.
```
Automatic merge from submit-queue
Fix sort-by output problem
Fixes https://github.com/kubernetes/kubectl/issues/43
This bug was original introduced in pr here: https://github.com/kubernetes/kubernetes/pull/46265, I think next time if we touch something printer related package, maybe should let @smarterclayton have a review, although he is pretty busy I guess : ) and that package also changed a lot recently since he's been working on refactoring.
this is a quick and dirty fix, not sure if there's better way, I will add some regression test soon...
@kubernetes/sig-cli-pr-reviews
```release-note
NONE
```
/assign @mengqiy
/assign @smarterclayton
Pods associated with the test JobTemplate should use a zero
TerminationGracePeriodSeconds to ensure they're deleted immediately.
This should improve test timing assumption consistency.
Automatic merge from submit-queue
Support exec/attach/portforward in `kubectl proxy`
Use the UpgradeAwareProxy shared code in kubectl proxy. Provide a separate transport for those requests that does not have HTTP/2 enabled. Refactor the code to be a bit cleaner in places and to better separate changes.
Fixes#32026
```release-note
`kubectl proxy` will now correctly handle the `exec`, `attach`, and `portforward` commands. You must pass `--disable-filter` to the command in order to allow these endpoints.
```
The strategy used for the secret store defined custom export logic, and
had accompanying unit tests. However the secret storage did not actually
wire this up by setting an ExportStrategy and thus the code was never
used in the real world.
This change fixes the missing assignment and adds testing at a higher
level to ensure any uses of the generic registry.Store that we expect to
have an ExportStrategy do, and no others.
Several other strategies in the RBAC package also appeared to have
unwired Export logic, however their implementations were all empty
leading me to believe that these are not considered exportable. The
empty methods have now been removed.
Aleksandra Malinowska