Automatic merge from submit-queue (batch tested with PRs 59580, 58854). 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>.
Prefer apps/v1 storage for daemonsets, deployments, replicasets, statefulsets
The workload API objects went GA in 1.9. This means we can safely begin persisting them in etcd in apps/v1 format in 1.10.
xref #43214
```release-note
DaemonSet, Deployment, ReplicaSet, and StatefulSet objects are now persisted in etcd in apps/v1 format
```
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2nd try at using a vanity GCR name
The 2nd commit here is the changes relative to the reverted PR. Please focus review attention on that.
This is the 2nd attempt. The previous try (#57573) was reverted while we
figured out the regional mirrors (oops).
New plan: k8s.gcr.io is a read-only facade that auto-detects your source
region (us, eu, or asia for now) and pulls from the closest. To publish
an image, push k8s-staging.gcr.io and it will be synced to the regionals
automatically (similar to today). For now the staging is an alias to
gcr.io/google_containers (the legacy URL).
When we move off of google-owned projects (working on it), then we just
do a one-time sync, and change the google-internal config, and nobody
outside should notice.
We can, in parallel, change the auto-sync into a manual sync - send a PR
to "promote" something from staging, and a bot activates it. Nice and
visible, easy to keep track of.
xref https://github.com/kubernetes/release/issues/281
TL;DR:
* The new `staging-k8s.gcr.io` is where we push images. It is literally an alias to `gcr.io/google_containers` (the existing repo) and is hosted in the US.
* The contents of `staging-k8s.gcr.io` are automatically synced to `{asia,eu,us)-k8s.gcr.io`.
* The new `k8s.gcr.io` will be a read-only alias to whichever regional repo is closest to you.
* In the future, images will be promoted from `staging` to regional "prod" more explicitly and auditably.
```release-note
Use "k8s.gcr.io" for pulling container images rather than "gcr.io/google_containers". Images are already synced, so this should not impact anyone materially.
Documentation and tools should all convert to the new name. Users should take note of this in case they see this new name in the system.
```
This is the 2nd attempt. The previous was reverted while we figured out
the regional mirrors (oops).
New plan: k8s.gcr.io is a read-only facade that auto-detects your source
region (us, eu, or asia for now) and pulls from the closest. To publish
an image, push k8s-staging.gcr.io and it will be synced to the regionals
automatically (similar to today). For now the staging is an alias to
gcr.io/google_containers (the legacy URL).
When we move off of google-owned projects (working on it), then we just
do a one-time sync, and change the google-internal config, and nobody
outside should notice.
We can, in parallel, change the auto-sync into a manual sync - send a PR
to "promote" something from staging, and a bot activates it. Nice and
visible, easy to keep track of.
Automatic merge from submit-queue (batch tested with PRs 58444, 59283, 59437, 59325, 59449). 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>.
Update PriorityClassName API doc
**What this PR does / why we need it**: It updates the comment (and hence API doc) for PriorityClassName of PodSpec.
**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
```
/sig scheduling
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Add NominatedNodeName field to PodStatus
**What this PR does / why we need it**:
Today, Scheduler uses an annotation called "nominated-node-name" to mark a preemptor Pod. This annotation helps scheduler know about the Pods that are destined to run on the nodes so that the resources made available by preemption is not allocated to a different Pod. In a recent discussion with @bgrant0607, we learned that we should change the annotation to a field as this field can be used by multiple schedulers and other components that may make scheduling-related decisions (descheduler, auto-scaler, kube-arbitrator, ...).
**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 #57471
**Special notes for your reviewer**:
**Release note**:
```release-note
Add "nominatedNodeName" field to PodStatus. This field is set when a pod preempts other pods on the node.
```
/sig scheduling
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Add binary configmap
Reviving code from https://github.com/kubernetes/kubernetes/pull/33549 submitted by @zreigz
**What this PR does / why we need it**:
Add support for binary files in ConfigMap
**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#32432
**Special notes for your reviewer**:
**Release note**:
```release-note
ConfigMap objects now support binary data via a new `binaryData` field. When using `kubectl create configmap --from-file`, files containing non-UTF8 data will be placed in this new field in order to preserve the non-UTF8 data. Use of this feature requires 1.10+ apiserver and kubelets.
```
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Never let cluster-scoped resources skip webhooks
Fix#57964
This allows user write webhooks for cluster-scoped custom resources.
We still need to figure out how to selectively exempt cluster-scoped resources from webhooks to avoid bootstrapping deadlocks. For now, if a deadlock occurs, users can work around by first deleting the webhook configuration, then rebooting the webhook, then re-enabling the webhook configuration.
```release-note
Bug fix: webhooks now do not skip cluster-scoped resources
Action required: Before upgrading your Kubernetes clusters, double check if you had configured webhooks for cluster-scoped objects (e.g., nodes, persistentVolume), these webhooks will start to take effect. Delete/modify the configs if that's not desirable.
```
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Add FSType for CSI volume source
**What this PR does / why we need it**:
Add FSType for CSI volume source to specify filesystems (alpha defaults to `ext4`)
**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#58183
**Special notes for your reviewer**:
**Release note**:
```release-note
Add FSType for CSI volume source to specify filesystems
```
/assign @saad-ali
cc @vladimirvivien
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Fix autoscaling API documentation
**What this PR does / why we need it**:
This PR fixes the API documentation generated for HorizontalPodAutoscaler resource.
**Which issue(s) this PR fixes**:
The current API doc for `MetricSpec` and `MetricStatus` is confusing. Users get no idea what can be used as the value for the `type` field, because the doc says this:
```
type is the type of metric source. It should match one of the fields below.
```
While acceptable in the source code, it makes no senses when reading the API doc, especially when the "`type`" field is listed as the last row in a table (see: https://kubernetes.io/docs/api-reference/v1.8/#metricspec-v2beta1-autoscaling )
**Special notes for your reviewer**:
This PR makes no changes to the code behavior.
**Release note**:
```release-note
NONE
```
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Document None dns policy clearly
**What this PR does / why we need it**:
Needs to indicate that None dns policy is controlled by a feature gate and by alpha. It also needs to note that only 1.9 or later Kubernetes servers will allow the None value.
Needs to be fixed for 1.9 so that public API documentation is correct.
**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#56399
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
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Mark v1beta1 NetworkPolicy types as deprecated
**What this PR does / why we need it**:
Deprecates v1beta1 NetworkPolicy in favor of v1. The default storage is now set to v1 in 1.9.
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Related #56423
**Special notes for your reviewer**:
**Release note**:
```
deprecate NetworkPolicy v1beta1 API in extensions
```
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New API group for Events.
Fixkubernetes/features#383
cc @shyamjvs
```release-note
Add events.k8s.io api group with v1beta1 API containing redesigned Event type.
```
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update code comment that are out of date for apps/v1beta2
**What this PR does / why we need it**:
update comment that are out of date
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes#54139
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
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Add Custom Pod DNS to Kubernetes API
**What this PR does / why we need it**:
Ref:
- Feature issue: https://github.com/kubernetes/features/issues/504
- Proposal: https://github.com/kubernetes/community/pull/1276
This PR adds the relevant APIs, validation check and the underlying kubelet changes.
**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**:
/sig network
@kubernetes/sig-network-api-reviews
/assign @bowei @thockin
**Release note**:
```release-note
Add DNSConfig field to PodSpec and support "None" mode for DNSPolicy (Alpha).
```
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Refactor iSCSI PV spec to use SecretReference
**What this PR does / why we need it**:
Use SecretReference in iSCSI PV spec
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes https://github.com/kubernetes-incubator/external-storage/issues/321
**Special notes for your reviewer**:
@liggitt
**Release note**:
```release-note
iSCSI Persistent Volume Sources can now reference CHAP Secrets in namespaces other than the namespace of the bound Persistent Volume Claim
```
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Clarify ExternalNames are hostnames
Updates the documentation for ExternalName to clarify
that they adhere RFC-1123 hostname and are not DNS names.
Fixes#52266
**Release note**:
```release-note
```
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Validation for CRD custom resources: feature gate promotion alpha->beta
**What this PR does / why we need it**: This promotes CRD Validation from **alpha** to **beta**.
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes#53829
**Special notes for your reviewer**: Issue #53829 discusses potential blockers to promoting CRD Validation to beta. None of the potential blockers are actual blockers, as they can all be accomplished without backward incompatible changes.
**Release note**:
```release-note
Promote validation for custom resources defined through CRD to beta
```
cc: @sttts @nikhita @mbohlool
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update apps/v1 types.go comments for controller spec selector fields
**What this PR does / why we need it**:
This PR updates apps/v1 types.go comments (including removal of `optional` tag) for controller spec selector fields.
**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 #50808
**Release note**:
```release-note
NONE
```
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Introduce new `VolumeAttachment` API Object
**What this PR does / why we need it**:
Introduce a new `VolumeAttachment` API Object. This object will be used by the CSI volume plugin to enable external attachers (see design [here](https://github.com/kubernetes/community/pull/1258). In the future, existing volume plugins can be refactored to use this object as well.
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: Part of issue https://github.com/kubernetes/features/issues/178
**Special notes for your reviewer**:
None
**Release note**:
```release-note
NONE
```
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Clarify DefaultAddCapabilities behavior
Clarify that capabilities listed in `DefaultAddCapabilities` in the `PodSecurityPolicySpec` need not be repeated in `AllowedCapabilities`.
**Release note**:
```release-note
NONE
```
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fix the inconsistent description of TopologyKey in PodAffinityTerm
**What this PR does / why we need it**:
Clarify the confusing of inconsistent description.
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes #
Just fix#54276
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
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Switch internal scale type to autoscaling, enable apps/v1 scale subresources
xref #49504
* Switch workload internal scale type to autoscaling.Scale (internal-only change)
* Enable scale subresources for apps/v1 deployments, replicasets, statefulsets
```release-note
NONE
```
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Add MutatingWebhookConfiguration type
As part of Mutating Webhook support, this PR adds the configuration for Mutating webhooks. It also renames existing ReadOnly webhook configurations from ExternalAdmissionHookConfiguration to ValidatingWebhookConfiguration. As part of the process some sub-types are also renamed.
Lastly, the mutating webhook configurations are sorted by name to make the serial executing of them deterministic.
ref: https://github.com/kubernetes/features/issues/492
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Add DaemonSet conditions
**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)*:
xref https://github.com/kubernetes/features/issues/353, #7856
**Special notes for your reviewer**:
A `conditions` field is added to DaemonSetStatus for consistency. No valid DaemonSet condition type is supported yet.
@kubernetes/sig-apps-api-reviews
**Release note**:
```release-note
DaemonSet status now has a new field named "conditions", making it consistent with other workloads controllers.
```
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Improve cronjob concurrency policy doc
**What this PR does / why we need it**:
The CronJob API documentation (https://kubernetes.io/docs/api-reference/v1.8/#cronjobspec-v1beta1-batch) did not clearly state what can be used as `concurrencyPolicy`. Instead, it only says that the default value is "Raw".
**Which issue(s) this PR fixes**:
**Special notes for your reviewer**:
This patch is not changing any code logic but it involves generated "code".
**Release note**:
```release-note
NONE
```
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Workloads V1
**What this PR does / why we need it**: This PR promotes the Deployment, ReplicaSet, and DaemonSet StatefulSet, ControllerRevision kinds to the apps/v1 group version.
https://github.com/kubernetes/features/issues/353
**Special notes for your reviewer**:
There will be at least two followups to this PR. The first to add a scale sub-resource when the correct location is resolved, and the second to deal with Conditions in the workloads API.
While it would have been preferable to move the kinds individually providing a lesser burden on reviewers, this proved impracticable due to the intricacies of version resolution in kubectl for objects of the different kinds in the same group.
```release-note
DaemonSet, Deployment, ReplicaSet, and StatefulSet have been promoted to GA and are available in the apps/v1 group version.
```
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Update deletionTimestamp with information about finalizer effect
**What this PR does / why we need it**:
ref https://github.com/kubernetes/community/pull/1177
**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/website/issues/6128
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
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ScaleIO - Ability to specify Secret's name and namespace
**What this PR does / why we need it**:
This PR is to decouple the ScaleIO secret from the same namespace as that of the StorageClass/PVC/PV that uses it (#53619). Currently, authorized non-admin k8s user, who creates volumes, may end up having unauthorized access to ScaleIO secret information. This PR introduces secret parameter that allows specification of secret's namespace.
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes#53619
**Release note**:
```release-note
ScaleIO persistent volumes now support referencing a secret in a namespace other than the bound persistent volume claim's namespace; this is controlled during provisioning with the `secretNamespace` storage class parameter; StoragePool and ProtectionDomain attributes no longer defaults to the value `default`
```
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Fix typo in comment.
**Release note**:
```release-note
NONE
```
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Refactor RBD volume
Refactor RBD Volume Persistent Volume Spec so RBD PV's SecretRef
allows referencing a secret from a persistent volume in any namespace.
This allows locating credentials for persistent volumes in namespaces
other than the one containing the PVC.
Closes#54432
```release-note
RBD Persistent Volume Sources can now reference User's Secret in namespaces other than the namespace of the bound Persistent Volume Claim
```
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Fix broken links in api after moving proposals to subdirs
**What this PR does / why we need it**:
fix incorrect links in api after kubernetes/community#1010
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes kubernetes/community#918
**Special notes for your reviewer**:
CC @bgrant0607
**Release note**:
```
NONE
```
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update strategic-merge-patch link
**What this PR does / why we need it**:
update strategic-merge-patch link
**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**:
```
NONE
```
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fix some typos in api/types
**What this PR does / why we need it**:
Fix some typos in api/types
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes#53420
**Special notes for your reviewer**:
**Release note**:
```release-note
None
```
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Change RBAC storage version to v1 for 1.9
v1 was introduced in 1.8, but storage version remained at v1beta1 to accommodate HA rolling upgrades. in 1.9, we can change the persisted and preferred version to v1
```release-note
RBAC objects are now stored in etcd in v1 format. After completing an upgrade to 1.9, RBAC objects (Roles, RoleBindings, ClusterRoles, ClusterRoleBindings) should be migrated to ensure all persisted objects are written in `v1` format, prior to `v1alpha1` support being removed in a future release.
```
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Cronjob beta defaults
**What this PR does / why we need it**:
I forget to set the defaults in beta for (successful|failed)JobsHistoryLimit so doing this now. It's already too late for 1.8 so this goes into 1.9.
**Release note**:
```release-note
Set defaults for successfulJobsHistoryLimit (3) and failedJobsHistoryLimit (1) in batch/v1beta1.CronJobs
```
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api: update progressdeadlineseconds comment for deployments
@kubernetes/sig-apps-api-reviews we may never end up doing autorollback - this drops the comment from the pds field for now
Automatic merge from submit-queue (batch tested with PRs 51956, 50708)
Move autoscaling/v2 from alpha1 to beta1
This graduates autoscaling/v2alpha1 to autoscaling/v2beta1. The move is more-or-less just a straightforward rename.
Part of kubernetes/features#117
```release-note
v2 of the autoscaling API group, including improvements to the HorizontalPodAutoscaler, has moved from alpha1 to beta1.
```
Automatic merge from submit-queue
Workloads deprecation 1.8
**What this PR does / why we need it**: This PR deprecates the Deployment, ReplicaSet, and DaemonSet kinds in the extensions/v1beta1 group version and the StatefulSet, Deployment, and ControllerRevision kinds in the apps/v1beta1 group version. The Deployment, ReplicaSet, DaemonSet, StatefuSet, and ControllerRevision kinds in the apps/v1beta2 group version are now the current version.
xref kubernetes/features#353
```release-note
The Deployment, DaemonSet, and ReplicaSet kinds in the extensions/v1beta1 group version are now deprecated, as are the Deployment, StatefulSet, and ControllerRevision kinds in apps/v1beta1. As they will not be removed until after a GA version becomes available, you may continue to use these kinds in existing code. However, all new code should be developed against the apps/v1beta2 group version.
```
Automatic merge from submit-queue (batch tested with PRs 51335, 51364, 51130, 48075, 50920)
[API] Feature/job failure policy
**What this PR does / why we need it**: Implements the Backoff policy and failed pod limit defined in https://github.com/kubernetes/community/pull/583
**Which issue this PR fixes**:
fixes#27997, fixes#30243
**Special notes for your reviewer**:
This is a WIP PR, I updated the api batchv1.JobSpec in order to prepare the backoff policy implementation in the JobController.
**Release note**:
```release-note
Add backoff policy and failed pod limit for a job
```
Automatic merge from submit-queue (batch tested with PRs 45724, 48051, 46444, 51056, 51605)
Mount propagation in kubelet
Together with #45724 it implements mount propagation as proposed in https://github.com/kubernetes/community/pull/659
There is:
- New alpha annotation that allows user to explicitly set propagation mode for each `VolumeMount` in pod containers (to be replaced with real `VolumeMount.Propagation` field during beta) + validation + tests. "Private" is the default one (= no change to existing pods).
I know about proposal for real API fields for alpha feature in https://docs.google.com/document/d/1wuoSqHkeT51mQQ7dIFhUKrdi3-1wbKrNWeIL4cKb9zU/edit, but it seems it's not implemented yet. It would save me quite lot of code and ugly annotation.
- Updated CRI API to transport chosen propagation to Docker.
- New `kubelet --experimental-mount-propagation` option to enable the previous bullet without modifying types.go (worked around with changing `KubeletDeps`... not nice, but it's better than adding a parameter to `NewMainKubelet` and removing it in the next release...)
```release-note
kubelet has alpha support for mount propagation. It is disabled by default and it is there for testing only. This feature may be redesigned or even removed in a future release.
```
@derekwaynecarr @dchen1107 @kubernetes/sig-node-pr-reviews
Automatic merge from submit-queue (batch tested with PRs 45724, 48051, 46444, 51056, 51605)
Add selfsubjectrulesreview in authorization
**What this PR does / why we need it**:
**Which issue this PR fixes**: fixes#47834#31292
**Special notes for your reviewer**:
**Release note**:
```release-note
Add selfsubjectrulesreview API for allowing users to query which permissions they have in a given namespace.
```
/cc @deads2k @liggitt
Automatic merge from submit-queue (batch tested with PRs 51632, 51055, 51676, 51560, 50007)
fixing a typo in staging/src/k8s.io/apimachinery/pkg/apis/meta/v1/types.go
**What this PR does / why we need it**:
Fix a typo in `staging/src/k8s.io/apimachinery/pkg/apis/meta/v1/types.go`.
**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**:
`NONE`
Automatic merge from submit-queue (batch tested with PRs 49971, 51357, 51616, 51649, 51372)
add information for subresource kind determination
xref https://github.com/kubernetes/kubernetes/issues/38810https://github.com/kubernetes/kubernetes/issues/38756
Polymorphic subresources usually have different groupVersions for their discovery kinds than their "native" groupVersions. Even though the APIResourceList shows the kind properly, it does not reflect the group or version of that kind, which makes it impossible to unambiguously determine if the subresource matches you and it is impossible to determine how to serialize your data. See HPA controller.
This adds an optional Group and Version to the discovery doc, which can be used to communicate the "native" groupversion of an endpoint. Doing this does not preclude fancier contenttype negotiation in the future and doesn't prevent future expansion from indicating equivalent types, but it does make it possible to solve the problem we have today or polymorphic categorization.
@kubernetes/sig-api-machinery-misc @smarterclayton
@cheftako since @lavalamp is out.
```release-note
Adds optional group and version information to the discovery interface, so that if an endpoint uses non-default values, the proper value of "kind" can be determined. Scale is a common example.
```
Automatic merge from submit-queue (batch tested with PRs 50719, 51216, 50212, 51408, 51381)
Allow PSP's to specify a whitelist of allowed paths for host volume
**What this PR does / why we need it**:
Reverts the revert for the allowed host path feature that was moved from v1.7 to v1.8. This PR also changes the api as discussed in https://github.com/kubernetes/kubernetes/pull/47811.
Original pr: https://github.com/kubernetes/kubernetes/pull/43946
revert: https://github.com/kubernetes/kubernetes/pull/47851
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes#29326
**Special notes for your reviewer**:
cc @liggitt @ericchiang @php-coder
It seems the api build process has changed. Hopefully I did it right 👼 .
**Release note**:
```release-note
Allow PSP's to specify a whitelist of allowed paths for host volume
```
Automatic merge from submit-queue (batch tested with PRs 50919, 51410, 50099, 51300, 50296)
Remove failure policy from initializer configuration
A few reasons:
* Implementing fail open initializers increases complexity a lot
* We haven't seen strong use cases
* We can always add it back
Automatic merge from submit-queue (batch tested with PRs 50919, 51410, 50099, 51300, 50296)
Take mount options to GA by adding PV.spec.mountOptions
**What this PR does / why we need it**: Implements https://github.com/kubernetes/community/pull/771
issue: https://github.com/kubernetes/features/issues/168
**Special notes for your reviewer**:
TODO:
- ~StorageClass mountOptions~
As described in proposal, this adds PV.spec.mountOptions + mountOptions parameter to every plugin that is both provisionable & supports mount options.
(personally, even having done all the work already, i don't agree w/ the proposal that mountOptions should be SC parameter but... :))
**Release note**:
```release-note
Add mount options field to PersistentVolume spec
```
Automatic merge from submit-queue (batch tested with PRs 51471, 50561, 50435, 51473, 51436)
Add local storage to downwards API
**Release note**:
```release-note
Add local ephemeral storage to downward API
```
/assign @NickrenREN
Automatic merge from submit-queue (batch tested with PRs 50953, 51082)
Fix mergekey of initializers; Repair invalid update of initializers
Fix https://github.com/kubernetes/kubernetes/issues/51131
The PR did two things to make parallel patching `metadata.initializers.pending` possible:
* Add mergekey to initializers.pending
* Let the initializer admission plugin set the `metadata.intializers` to nil if an update makes the `pending` and the `result` both nil, instead of returning a validation error. Otherwise if multiple initializer controllers sending the patch removing themselves from `pending` at the same time, one of them will get a validation error.
```release-note
The patch to remove the last initializer from metadata.initializer.pending will result in metadata.initializer to be set to nil (assuming metadata.initializer.result is also nil), instead of resulting in an validation error.
```
Automatic merge from submit-queue (batch tested with PRs 49850, 47782, 50595, 50730, 51341)
Paramaterize `stickyMaxAgeMinutes` for service in API
**What this PR does / why we need it**:
Currently I find `stickyMaxAgeMinutes` for a session affinity type service is hard code to 180min. There is a TODO comment, see
https://github.com/kubernetes/kubernetes/blob/master/pkg/proxy/iptables/proxier.go#L205
I think the seesion sticky max time varies from service to service and users may not aware of it since it's hard coded in all proxier.go - iptables, userspace and winuserspace.
Once we parameterize it in API, users can set/get the values for their different services.
Perhaps, we can introduce a new field `api.ClientIPAffinityConfig` in `api.ServiceSpec`.
There is an initial discussion about it in sig-network group. See,
https://groups.google.com/forum/#!topic/kubernetes-sig-network/i-LkeHrjs80
**Which issue this PR fixes**:
fixes#49831
**Special notes for your reviewer**:
**Release note**:
```release-note
Paramaterize session affinity timeout seconds in service API for Client IP based session affinity.
```
Automatic merge from submit-queue (batch tested with PRs 50033, 49988, 51132, 49674, 51207)
Add IPBlock to Network Policy
**What this PR does / why we need it**:
Add ipBlockRule to NetworkPolicyPeer.
**Which issue this PR fixes**
fixes#49978
**Special notes for your reviewer**:
- I added this directly as a field on the existing API per guidance from API-Machinery/lazy SIG-Network consensus.
Todo:
- [ ] Documentation comments to mention this is beta, unless we want to go straight to GA
- [ ] e2e tests
**Release note**:
```
Support ipBlock in NetworkPolicy
```
Automatic merge from submit-queue (batch tested with PRs 46986, 51214, 51169, 50155, 51261)
Add OpenAPI README file
Add a README.md file to OpenAPI folder explaining extensions we have on OpenAPI spec.
ref: #0
Automatic merge from submit-queue (batch tested with PRs 50213, 50707, 49502, 51230, 50848)
Refactor CephFS PV spec
**What this PR does / why we need it**:
refactor CephFS Volume Persistent Volume Spec so CephFS PV's SecretRef allows referencing a secret from a persistent volume in any namespace. This allows locating credentials for persistent volumes in namespaces other than the one containing the PVC.
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes https://github.com/kubernetes-incubator/external-storage/issues/309
**Special notes for your reviewer**:
@kubernetes/sig-storage-api-reviews
**Release note**:
```release-note
Allow CephFS PV to specify a namespace for secret
```
Automatic merge from submit-queue (batch tested with PRs 51113, 46597, 50397, 51052, 51166)
implement proposal 34058: hostPath volume type
**What this PR does / why we need it**:
implement proposal #34058
**Which issue this PR fixes** : fixes#46549
**Special notes for your reviewer**:
cc @thockin @luxas @euank PTAL
Automatic merge from submit-queue (batch tested with PRs 50257, 50247, 50665, 50554, 51077)
Remove incorrect patch-merge directives.
**What this PR does / why we need it**:
Directives were misplaced for the following types:
- MatchExpressions
- Taints
- Tolerations
Per the discussion in #46547, we cannot fix these because it would cause backwards-compatibility problems. Instead, remove the incorrect ones so they don't mislead users. This has no impact on behavior.
**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**:
Takes over from #46547 by @aaronlevy
**Release note**:
```release-note
NONE
```
Automatic merge from submit-queue (batch tested with PRs 50563, 50698, 50796)
Add ControllerRevision to apps/v1beta2
**What this PR does / why we need it**:
This PR added `ControllerRevision` currently in `apps/v1beta1` to `apps/v1beta2`.
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes#50696.
**Special notes for your reviewer**:
@kow3ns @janetkuo
**Release note**:
```release-note
Add ControllerRevision to apps/v1beta2
```
Automatic merge from submit-queue (batch tested with PRs 49869, 47987, 50211, 50804, 50583)
Add ReclaimPolicy field to StorageClass
fix https://github.com/kubernetes/kubernetes/issues/38192, enough people want this imo so going ahead and adding it according to initial suggested design
some considerations:
* No Recycle allowed, Retain (& Delete) only.
* Do we need to gate the field.
* E2E test where a Retain PV is dynamically provisioned is TODO if we agree we want this & this is the way to do it.
* Need a feature repo issue to track docs and stuff for 1.8
**Release note**:
```release-note
StorageClass has a new field to configure reclaim policy of dynamically provisioned PVs.
```
Automatic merge from submit-queue
Enables the v1beta2 version of the apps API group by default
**What this PR does / why we need it**: Enables the v1beta2 version of the apps API group by default
fixes # #50641
```release-note
apps/v1beta2 is enabled by default. DaemonSet, Deployment, ReplicaSet, and StatefulSet have been moved to this group version.
```
Directives were misplaced for the following types:
- MatchExpressions
- Taints
- Tolerations
Per the discussion in #46547, we cannot fix these because it would cause
backwards-compatibility problems. Instead, remove the incorrect ones so
they don't mislead users. This has no impact on behavior.
Automatic merge from submit-queue
Cleanup DaemonSet templateGeneration
**What this PR does / why we need it**:
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes#49336
**Special notes for your reviewer**:
/cc @janetkuo @foxish
~~Depends on #49071~~ (Merged)
**Release note**:
```release-note
None
```
Automatic merge from submit-queue (batch tested with PRs 49129, 50436, 50417, 50553, 47587)
Fix Type Taint comment
**What this PR does / why we need it**:
remvoe redundant words in Type `Taint`.
**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**:
/assign @k82cn
**Release note**:
```release-note
None
```
Automatic merge from submit-queue
Added field CollisionCount to StatefulSetStatus
**What this PR does / why we need it**:
This PR added a new field `CollisionCount` into `StatefulSetStatus`, similarly in terms of both name and semantics to the existing `CollisionCount` field in `DaemonSetStatus`. The field will be used for collision avoidance when the `StatefulSet` controller creates name for the newest ControllerRevision, which will be done in another PR.
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: #49909.
**Special notes for your reviewer**:
A second PR will include logic that actually uses the field for collision avoidance.
**Release note**:
```release-note
Added field CollisionCount to StatefulSetStatus in both apps/v1beta1 and apps/v1beta2
```
Automatic merge from submit-queue
add newline for unimplemented RequiredDuringSchedulingRequiredDuringExecution
**What this PR does / why we need it**:
Unimplemented `RequiredDuringSchedulingRequiredDuringExecution` should not be treated as comments of `RequiredDuringSchedulingIgnoredDuringExecution`
* [pkg/api/types.go#L1937](https://github.com/kubernetes/kubernetes/blob/master/pkg/api/types.go#L1937)
* [staging/src/k8s.io/api/core/v1/types.go#L2155](https://github.com/kubernetes/kubernetes/blob/master/staging/src/k8s.io/api/core/v1/types.go#L2155)
> // NOT YET IMPLEMENTED. TODO: Uncomment field once it is implemented.
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*:fixes #50483
**Special notes for your reviewer**:
* Add an empty line to separate them.
/cc @aveshagarwal @bsalamat @gyliu513 @k82cn @timothysc
**Release note**:
```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 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
Change default update strategy to rolling update
Fixes https://github.com/kubernetes/kubernetes/issues/49604
Change default update strategy to rolling update for daemonset and statefulset in v1beta2
cc @kubernetes/sig-apps-pr-reviews @lukaszo @kargakis
**Release note**:
```release-note
Make rolling update the default update strategy for v1beta2.DaemonSet and v1beta2.StatefulSet
```
Automatic merge from submit-queue
Timeout and Max-in-flight don't report non-resource URLs correctly.
Unify error reporting for 429 and 504 to be correct for timeout and max in flight and eviction. Add better messages to eviction (removing a todo). Return the correct body content for timeouts (reason and code should be correct).
This potentially increases cardinality of 429, but because non-api urls may be under the max-inflight budget we need to report them somewhere (if something breaks and starts fetching API versions endlessly).
```release-note
The 504 timeout error was returning a JSON error body that indicated it was a 500. The body contents now correctly report a 500 error.
```
Automatic merge from submit-queue (batch tested with PRs 50103, 49677, 49449, 43586, 48969)
Add missing UID in SubjectAccessReviewSpec
**What this PR does / why we need it**:
WebhookAuthorizer's Authorize should send *all* the information
present in the user.Info data structure. We are not sending the
UID currently.
**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
The SubjectAccessReview API in the authorization.k8s.io API group now allows providing the user uid.
```
Automatic merge from submit-queue
Increase default value of apps/v1beta2 DeploymentSpec.RevisionHistoryLimit to 10
**What this PR does / why we need it**:
All controllers that use the `RevisionHistoryLimit` field have a default value of 10 for the field, except for `Deployment`, which has a default of 2. We should increase it to 10 for consistency on its default value across controllers.
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes#49913
**Special notes for your reviewer**:
/cc @janetkuo @foxish @liyinan926
**Release note**:
```release-note
Increase default value of apps/v1beta2 DeploymentSpec.RevisionHistoryLimit to 10
```
Automatic merge from submit-queue (batch tested with PRs 49992, 48861, 49267, 49356, 49886)
Reintegrate aggregation support for OpenAPI
Reintegrating changes of #46734
Changes summary:
- Extracted all OpenAPI specs to new repo `kube-openapi`
- Make OpenAPI spec aggregator to copy and rename any non-requal model (even with documentation change only).
- Load specs when adding APIServices and retry on failure until successful spec retrieval or a 404.
- Assumes all Specs except aggregator's Spec are static
- A re-register of any APIService will result in updating the spec for that service (Suggestion for TPR: they should be registered to aggregator API Server, Open for discussion if any more changes needed for another PR.)
fixes#48548
Automatic merge from submit-queue (batch tested with PRs 49651, 49707, 49662, 47019, 49747)
Add support for `no_new_privs` via AllowPrivilegeEscalation
**What this PR does / why we need it**:
Implements kubernetes/community#639
Fixes#38417
Adds `AllowPrivilegeEscalation` and `DefaultAllowPrivilegeEscalation` to `PodSecurityPolicy`.
Adds `AllowPrivilegeEscalation` to container `SecurityContext`.
Adds the proposed behavior to `kuberuntime`, `dockershim`, and `rkt`. Adds a bunch of unit tests to ensure the desired default behavior and that when `DefaultAllowPrivilegeEscalation` is explicitly set.
Tests pass locally with docker and rkt runtimes. There are also a few integration tests with a `setuid` binary for sanity.
**Release note**:
```release-note
Adds AllowPrivilegeEscalation to control whether a process can gain more privileges than it's parent process
```
Automatic merge from submit-queue (batch tested with PRs 49286, 49550)
Remove myself from a bunch of places
I am assigned in reviews which I never get to do. I prefer drive-bys whenever I can do them rather than the bot choosing myself in random, ends up being mere spam.
@smarterclayton please approve.
Automatic merge from submit-queue
Remove flags low-diskspace-threshold-mb and outofdisk-transition-frequency
issue: #48843
This removes two flags replaced by the eviction manager. These have been depreciated for two releases, which I believe correctly follows the kubernetes depreciation guidelines.
```release-note
Remove depreciated flags: --low-diskspace-threshold-mb and --outofdisk-transition-frequency, which are replaced by --eviction-hard
```
cc @mtaufen since I am changing kubelet flags
cc @vishh @derekwaynecarr
/sig node
Automatic merge from submit-queue (batch tested with PRs 47851, 47824, 47858, 46099)
Revert 44714 manually
#44714 broke backward compatibility for old swagger spec that kubectl still uses. The decision on #47448 was to revert this change but the change was not automatically revertible. Here I semi-manually remove all references to UnixUserID and UnixGroupID and updated generated files accordingly.
Please wait for tests to pass then review that as there may still be tests that are failing.
Fixes#47448
Adding release note just because the original PR has a release note. If possible, we should remove both release notes as they cancel each other.
**Release note**: (removed by caesarxuchao)
UnixUserID and UnixGroupID is reverted back as int64 to keep backward compatibility.
Automatic merge from submit-queue
Fix api description
**What this PR does / why we need it**:
prefered -> preferred
the the -> the
**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 47492, 47542, 46800, 47545, 45764)
separate group and version priority
Fixes https://github.com/kubernetes/kubernetes/issues/46322
This just modifies the API and does the minimal plumbing. I can extend this pull or do another to fix the priority problem.
Automatic merge from submit-queue
Deprecated binding for 1.7
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes#10043
```release-note
Deprecated Binding objects in 1.7.
```
Automatic merge from submit-queue
Implement Daemonset history
~Depends on #45867 (the 1st commit, ignore it when reviewing)~ (already merged)
Ref https://github.com/kubernetes/community/pull/527/ and https://github.com/kubernetes/community/pull/594
@kubernetes/sig-apps-api-reviews @kubernetes/sig-apps-pr-reviews @erictune @kow3ns @lukaszo @kargakis
---
TODOs:
- [x] API changes
- [x] (maybe) Remove rollback subresource if we decide to do client-side rollback
- [x] deployment controller
- [x] controller revision
- [x] owner ref (claim & adoption)
- [x] history reconstruct (put revision number, hash collision avoidance)
- [x] de-dup history and relabel pods
- [x] compare ds template with history
- [x] hash labels (put it in controller revision, pods, and maybe deployment)
- [x] clean up old history
- [x] Rename status.uniquifier when we reach consensus in #44774
- [x] e2e tests
- [x] unit tests
- [x] daemoncontroller_test.go
- [x] update_test.go
- [x] ~(maybe) storage_test.go // if we do server side rollback~
kubectl part is in #46144
---
**Release note**:
```release-note
```
Automatic merge from submit-queue
Add Local Storage Capacity Isolation API
This PR adds the new APIs to support storage capacity isolation as
described in the proposal [https://github.com/kubernetes/community/pull/306](url)
1. Add SizeLimit for emptyDir volume
2. Add scratch and overlay storage type used by container level or
node level
**Release note**:
```release-note
Alpha feature: Local volume Storage Capacity Isolation allows users to set storage limit to isolate EmptyDir volumes, container storage overlay, and also supports allocatable storage for shared root file system.
```
Automatic merge from submit-queue (batch tested with PRs 46076, 43879, 44897, 46556, 46654)
Use meta.v1 GroupVersionKind with json tags to generate OpenAPI spec
We are using two different GVK struct in generation of OpenAPI extensions. This PR unify that and also add json tags to meta.v1 GVK to comply with json naming system in other serializations. Also the value of Action extension is now lowercase.
ref: https://github.com/kubernetes/kubernetes/pull/46388
Automatic merge from submit-queue (batch tested with PRs 42240, 46100, 46154, 46431, 45755)
Fix api description in swagger
**What this PR does / why we need 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 46407, 46457)
Remove deletecollection support from namespace object
Namespace storage accidentally picked up deletecollection support from embedding the generic store. If invoked, it skips the custom namespace `Delete()` storage method that enforces finalization, and skips the namespace lifecycle admission plugin that protects immortal namespaces from deletion.
Given the data integrity implications of skipping namespace finalization, I'd backport this as far as we're releasing patch releases.
```release-note
The namespace API object no longer supports the deletecollection operation.
```
Automatic merge from submit-queue (batch tested with PRs 38990, 45781, 46225, 44899, 43663)
Support parallel scaling on StatefulSets
Fixes#41255
```release-note
StatefulSets now include an alpha scaling feature accessible by setting the `spec.podManagementPolicy` field to `Parallel`. The controller will not wait for pods to be ready before adding the other pods, and will replace deleted pods as needed. Since parallel scaling creates pods out of order, you cannot depend on predictable membership changes within your set.
```
The alpha field podManagementPolicy defines how pods are created,
deleted, and replaced. The new `Parallel` policy will replace pods
as fast as possible, not waiting for the pod to be `Ready` or providing
an order. This allows for advanced clustered software to take advantage
of rapid changes in scale.
Automatic merge from submit-queue (batch tested with PRs 45623, 45241, 45460, 41162)
Promotes Source IP preservation for Virtual IPs from Beta to GA
Fixes#33625. Feature issue: kubernetes/features#27.
Bullet points:
- Declare 2 fields (ExternalTraffic and HealthCheckNodePort) that mirror the ESIPP annotations.
- ESIPP alpha annotations will be ignored.
- Existing ESIPP beta annotations will still be fully supported.
- Allow promoting beta annotations to first class fields or reversely.
- Disallow setting invalid ExternalTraffic and HealthCheckNodePort on services. Default ExternalTraffic field for nodePort or loadBalancer type service to "Global" if not set.
**Release note**:
```release-note
Promotes Source IP preservation for Virtual IPs to GA.
Two api fields are defined correspondingly:
- Service.Spec.ExternalTrafficPolicy <- 'service.beta.kubernetes.io/external-traffic' annotation.
- Service.Spec.HealthCheckNodePort <- 'service.beta.kubernetes.io/healthcheck-nodeport' annotation.
```
Automatic merge from submit-queue (batch tested with PRs 45623, 45241, 45460, 41162)
Replacing “Pod Injection Policy” with “Pod Preset” in the code documentation
**What this PR does / why we need it**:
Replacing the leftovers of the old term "Pod Injection Policy" with "Pod Preset" in the code documentation.
Automatic merge from submit-queue
Add OWNERS for staging and api
Part of #44420
* api/ is a copy of pkg/api (same reasoning)
* staging/ is the set of people who should be allowing new top level nested packages + the set of people who can change the staging machinery code
Open to changes to staging/ - very rarely changed. Added owners for the other items
api/ is a copy of pkg/api (same reasoning)
staging/ is the set of people who should be allowing new top level
nested packages + the set of people who can change the staging machinery
code
staging/src/k8s.io/apimachinery/ is the set of core machinery people
Automatic merge from submit-queue (batch tested with PRs 43777, 44121)
Add patchMergeKey and patchStrategy support to OpenAPI
Support generating Open API extensions for strategic merge patch tags in go struct tags
Support `patchStrategy` and `patchMergeKey`.
Also support checking if the Open API extension and struct tags match.
```release-note
Support generating Open API extensions for strategic merge patch tags in go struct tags
```
cc: @pwittrock @ymqytw
(Description mostly copied from #43833)
