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pkg/api: move *_test.go -> pkg/api/testing
Cleaning up pkg/api, one little step towards pkg/apis/core.
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removes k8s.io/kubernetes/pkg/api dependency from the webhook plugin.
**What this PR does / why we need it**: removes `k8s.io/kubernetes/pkg/api` dependency from `webhook` plugin. The runtime.scheme can be injected to the webhook from the plugin initializer.
**Release note**:
```
NONE
```
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Move initializer plugin to the generic apiserver
* Moves `k8s.io/kuberentes/plugin/pkg/admission/initialization` to `k8s.io/apiserver/pkg/admission/plugin/initialization`
* Moves `k8s.io/kubernetes/pkg/kubeapiserver/admission/configuration` to `k8s.io/apiserver/pkg/admission/configuration`
* The initializer plugin used to depend on `k8s.io/kubernetes` because it does a type assertion of `api.Pod`. It tries to skip mirror pod. I converted that code to use the generic accessor pattern.
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apimachinery: remove ObjectCopier interface(s)
The big commit is a mechanical, transitive removal of the copier interfaces in all structs and function calls.
move k8s.io/kubernetes/plugin/pkg/admission/initialization to
k8s.io/apiserver/pkg/admission/plugin/initialization/initialization.go;
move k8s.io/kubernetes/pkg/kubeapiserver/admission/configuration to
k8s.io/apiserver/pkg/admission/configuration.
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Fix the defaultServerImage name of hyperkube in kubefed
**What this PR does / why we need it**:
Fixes the issue mentioned in https://github.com/kubernetes/kubernetes/issues/53430
Docker images cannot contain special characters like '+' in the tags. So while uploading the federation container images we replace '+' character by '_'. This should have been taken care by kubefed too while consuming the federation container image.
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes#53430
**Special notes for your reviewer**:
This PR fixes the "invalid reference format" issue for the docker image. But am not sure if the version of hyperkube image is available in registry. The version is got from `version.Get()`. So if a user has built the kubefed from source it may be possible that the hyperkube version referenced by that commit is not available in registry. Ideally this issue should not arise on released versions of kubefed.
We need to cherry-pick this fix to all previous supported k8s versions too.
**Release note**:
```release-note
NONE
```
/cc @kubernetes/sig-multicluster-bugs
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removes Authorizer and ExternalClientSet from kubeapiserver's admissi…
**What this PR does / why we need it**:
removes Authorizer and ExternalClientSet from kubeapiserver's admission initializer.
**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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support nodeSelector in kubefed init
**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#50716
**Special notes for your reviewer**:
/assign @gyliu513
**Release note**:
```release-note
support nodeSelector in kubefed init
```
Automatic merge from submit-queue (batch tested with PRs 50280, 52529, 53093, 53108, 53168). 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>.
Add 201/Status to the list of returned objects.
**What this PR does / why we need it**:
Adds 201/202 to the list of codes/objects returned by `POST` and 201 to the list of codes returned by `PUT` requests in Swagger/OpenAPI
**Special notes for your reviewer**:
This helps fix
https://github.com/kubernetes-client/csharp/issues/29
**Release note**:
```release-note
Adds 201/202 to the list of codes/objects returned by `POST` and 201 to the list of codes returned by `PUT` requests in Swagger/OpenAPI
```
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federation: Remove manifests which are no longer used
Federation manifests files which are meant to be used by CI jobs are no longer used and are out-dated and no longer maintained. So removing them.
**Release note**:
```release-note
NONE
```
/cc @kubernetes/sig-federation-pr-reviews @madhusudancs
Automatic merge from submit-queue (batch tested with PRs 52630, 53110, 53136, 53075). 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>.
federation/pkg/federation-controller/util: fix swallowed errors
**What this PR does / why we need it**: The re-declaration of `err` inside the `if` block causes it to be lost before the check on line 93, even though it is reassigned on lines 95 and 90. By declaring the secret variable on line 71 I was able to ditch the `:=` assignment on line 72, meaning we can keep the `err` variable previously defined before the block on line 47.
```release-note NONE
```
Automatic merge from submit-queue (batch tested with PRs 52630, 53110, 53136, 53075). 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>.
Simplify deployment in federation CI jobs
**What this PR does / why we need it**:
Introduce a new variable `USE_PV_FOR_ETCD` to control whether to use PV for federation etcd. `USE_PV_FOR_ETCD` is set to false by default and can be overridden in CI jobs where we want to test with PV. For most of the federation CI jobs, it does not matter whether we use PV for etcd or not. We can overcome some issues by not depending on PV's in federation setup like failure to bind to PV and leaking PD's. etc...
#50543 is one such issue associated with PV.
This PR also contain a commit to fix couple of minor issues and removing unnecessary include of cluster/common script.
**Release note**:
```release-note
NONE
```
/assign @madhusudancs
/cc @kubernetes/sig-federation-pr-reviews
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>..
Refactor federation dns test case with sets.String
**What this PR does / why we need it**:
change to make got and want use sets.String instead, since that is both safe and more clearly shows the intent.
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes#51396
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
Automatic merge from submit-queue (batch tested with PRs 51929, 52015, 51906, 52069, 51542). 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>..
validate federation cluster spec CIDR
**What this PR does / why we need it**:
Add extra validation for cluster CIDR.
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes #
fix https://github.com/kubernetes/kubernetes/issues/29911
**Special notes for your reviewer**:
none
**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>..
[Federation] Hpa controller controls target objects
This is in the series of PRs over https://github.com/kubernetes/kubernetes/pull/45993.
The last commit is reviewable. Probably the last PR in this chain with e2e tests for relevant scenario, including the scenario created by this PR is soon to follow.
**Special notes for your reviewer**:
@kubernetes/sig-federation-pr-reviews
@quinton-hoole
**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>..
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
Delete the federation namespace from fcp instead of individual objects
**What this PR does / why we need it**:
This PR simplifies cleanup by deleting the entire namespace instead of individual objects.
This PR is linked to https://github.com/kubernetes/kubernetes/issues/50543. This may not solve the issue but instead to try an alternative.
**Release note**:
```release-note
NONE
```
/assign @madhusudancs
Kubernetes Submit Queue