Automatic merge from submit-queue

Release API watch resources when done.

Automatic merge from submit-queue (batch tested with PRs 40812, 39903, 40525, 40729)

Add CI coverage for client-go and staging/copy.sh

Client-go master and `staging/copy.sh` keep breaking, leading to frustration of users outside of the inner refactoring circle. This PR adds minimal smoke testing for both.

**Note**: this enforces the split of PRs which change apimachinery and client-go in parallel (via some local "temporary commit" hacking).

- [x] @caesarxuchao ~~do we have to delete the example directory from the upstream repo?~~ merge https://github.com/kubernetes/test-infra/issues/1765

Automatic merge from submit-queue (batch tested with PRs 40812, 39903, 40525, 40729)

test/node_e2e: wire-in cri-enabled local testing

This commit wires-in the pre-existing `--container-runtime` flag for
local node_e2e testing.
This is needed in order to further skip docker specific testing
and validation.

Local CRI node_e2e can now be performed via
`make test-e2e-node RUNTIME=remote REMOTE=false`
which will also take care of passing the appropriate argument to
the kubelet.

Automatic merge from submit-queue (batch tested with PRs 40812, 39903, 40525, 40729)

[CRI] Implement Dockershim Checkpoint

refer: https://github.com/kubernetes/community/pull/255

Automatic merge from submit-queue

test: move deployment helper in testing framework

Wanted to get this out of the way before submitting an upgrade test for Deployments and I need the helper in the framework utility

@janetkuo @soltysh

Automatic merge from submit-queue

upgrade to latest build rules

cc @mtaufen

Automatic merge from submit-queue

Update daemon set controller OWNERS file

Adding myself as reviewer, adding @mikedanese as approver 
cc @kargakis @lukasredynk

Automatic merge from submit-queue (batch tested with PRs 35782, 35831, 39279, 40853, 40867)

remove unnecessarily duplication since types collapsed

We collapsed duplicate types into client-go, so we get to clean this up.

@sttts as promised.

Automatic merge from submit-queue (batch tested with PRs 35782, 35831, 39279, 40853, 40867)

genericapiserver: cut off more dependencies – episode 7

Follow-up of https://github.com/kubernetes/kubernetes/pull/40822

approved based on #40363

Automatic merge from submit-queue (batch tested with PRs 35782, 35831, 39279, 40853, 40867)

kubectl get hpa should print number of replicas

**What this PR does / why we need it**:
Prints number of replicas on deployment managed by HPA. 

**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes #
None, couldn't find one related.

**Special notes for your reviewer**:
Couldn't find any tests for validating kubectl output for hpa, if there are please point me to them and I will add. 

**Release note**:

```release-note
```

Automatic merge from submit-queue (batch tested with PRs 35782, 35831, 39279, 40853, 40867)

Test GCE PD unmounts and detaches when the namespace of the pvc&pod is deleted.

Addition to Persistent Volume E2E testing.  On a GCE cluster, create a pv, pvc, and client pod.  Delete the namespace and check that the disk detaches successfully.
@jeffvance

~~DEPENDENT ON~~ #34353 merged.  No dependencies.

Automatic merge from submit-queue

Removed HPA objects from extensions api group

fix #29778

``` release-note
HorizontalPodAutoscaler is no longer supported in extensions/v1beta1 version. Use autoscaling/v1 instead.
```

 cc @kubernetes/autoscaling

Automatic merge from submit-queue (batch tested with PRs 40855, 40859)

PV binding: send an event when there are no PVs to bind

This is similar to scheduler that says "no nodes available to schedule pods"
when it can't schedule a pod.

@kubernetes/sig-storage-pr-reviews

Automatic merge from submit-queue

kubeadm: fix reset error logging.

**What this PR does / why we need it**: while investigating https://github.com/kubernetes/kubeadm/issues/142 I realized error logging was misleading. This PR is meant to fix it.

**Special notes for your reviewer**: /cc @luxas 

**Release note**:
```release-note
NONE
```

Automatic merge from submit-queue (batch tested with PRs 40810, 40695)

Prevent pv controller from forcefully overwrite provisioned volume name

**What this PR does / why we need it**:
This PR adds a fix to prevents the PV controller from forcefully overwriting the provisioned volume's name with the generated PV name.  Instead, it overwrites the volume's name only when it is missing.  This allows dynamic provisioner implementers to set the name of the volume to a value that they choose.

**Which issue this PR fixes** 
This PR does not have an issue affiliated, but it will allow PR #38924 to properly implement dynamically provisioned volume in namespaces other than default.

Automatic merge from submit-queue (batch tested with PRs 40810, 40695)

move genericvalidation to apimachinery

Moves genericvalidation to apimachinery.  The first commit shows the snip I made.

@sttts

Automatic merge from submit-queue

Move post processing/backward compatibility of openapi out of generic package

Post processing step was put into generic package and was the same for both k8s api server and federation api server. They have different backward compatibility list of types. This PR move that step out of generic package and put it in each server's file.

Automatic merge from submit-queue

genericapiserver: cut off more dependencies – episode 6

Follow-up of https://github.com/kubernetes/kubernetes/pull/40808

approved based on #40363