Automatic merge from submit-queue (batch tested with PRs 46383, 45645, 45923, 44884, 46294)

Dynamic registration prototype

Implementing the api proposed in https://github.com/kubernetes/community/pull/611.
Wiring the code to serve the api via apiserver.
```release-note
Adding admissionregistration API group which enables dynamic registration of initializers and external admission webhooks. It is an alpha feature.
```

Automatic merge from submit-queue (batch tested with PRs 46383, 45645, 45923, 44884, 46294)

Created unit tests for GCE cloud provider storage interface.

- Currently covers CreateDisk and DeleteDisk, GetAutoLabelsForPD
- Created ServiceManager interface in gce.go to facilitate mocking in tests.



**What this PR does / why we need it**:
Increasing test coverage for GCE Persistent Disk.

**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes #44573 

**Release note**:

```release-note
NONE
```

Automatic merge from submit-queue (batch tested with PRs 46383, 45645, 45923, 44884, 46294)

Node status updater now deletes the node entry in attach updates...

… when node is missing in NodeInformer cache.

- Added RemoveNodeFromAttachUpdates as part of node status updater operations.



**What this PR does / why we need it**: Fixes issue of unnecessary node status updates when node is deleted.

**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes #42438

**Special notes for your reviewer**: Unit tested added, but a more comprehensive test involving the attach detach controller requires certain testing functionality that is currently absent, and will require larger effort. Will be added at a later time.

There is an edge case caused by the following steps:
1) A node is deleted and restarted. The node exists, but is not yet recognized by Kubernetes.
2) A pod requiring a volume attach with nodeName specifically set to this node.

This would make the pod stuck in ContainerCreating state. This is low-pri since it's a specific edge case that can be avoided.

**Release note**:

```release-note
NONE
```

Automatic merge from submit-queue (batch tested with PRs 46383, 45645, 45923, 44884, 46294)

Fix test not use test flags

**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**:
old code not use test.flags, now use it

**Release note**:

```release-note
```

Automatic merge from submit-queue (batch tested with PRs 46383, 45645, 45923, 44884, 46294)

fix certificates flake

Fixes https://github.com/kubernetes/kubernetes/issues/46365
Fixes https://github.com/kubernetes/kubernetes/issues/46374

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test case for set_resources

PR adds basic unit test for set_resources.go

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Add support for specifying certificate duration at runtime.

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Update GlusterFS examples readme.

Automatic merge from submit-queue (batch tested with PRs 46501, 45944, 46473)

Enable the ip-masq-agent on GCE installs

Setting this will trigger cluster/addons/ip-masq-agent/ip-masq-agent.yaml to be installed as an addon, which disable configure IP masquerade for all of RFC1918, rather
than just 10.0/8.

Because the flag defaulted to 10.0/8 we can't just change the default.  I think anyone who needs IP masquerade set up should probably use this instead.

@justinsb @kubernetes/sig-cluster-lifecycle-misc 

Fixes #11204

@dnardo - any reason not to do this?

Release Note:
```release-note

GCE installs will now avoid IP masquerade for all RFC-1918 IP blocks, rather than just 10.0.0.0/8.  This means that clusters can
be created in 192.168.0.0./16 and 172.16.0.0/12 while preserving the container IPs (which would be lost before).
```

Automatic merge from submit-queue (batch tested with PRs 46501, 45944, 46473)

fix func comment in helpers.go

**What this PR does / why we need it**:
fix func comment in helpers.go
**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 46501, 45944, 46473)

apiextensions: fix missing storage on CRD delete without previous CR access

Create CR storage on demand when needed from CRD finalizer controller.

/cc @nikhita

Automatic merge from submit-queue

add crd shortname

Adds a shortname, `crd`, for `CustomResourceDefinition`.

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Don't print message at the top of `set selector` or `set subject`

**What this PR does / why we need it**:

Stop printing "running in local/dry-run mode..." at the top of `set selector` or `set subject`, because the user may be trying to pipe the output of this command as the input to another. 

**Which issue this PR fixes**: 
fixes #46505

**Special notes for your reviewer**:
This PR makes `set subject` and `set resources` consistent with similar commands in the same directory.

**Release note**:

```release-note
`set selector` and `set subject` no longer print "running in local/dry-run mode..." at the top, so their output can be piped as valid yaml or json
```

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[Federation] Move service dns controller to its own package

This PR does nothing but just moves service dns controller code to its own package.

**Release note**:
```release-note
NONE
```
cc @kubernetes/sig-federation-pr-reviews 
/assign @marun

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remove duplicate, flaky tests

These tests were replaced in https://github.com/kubernetes/kubernetes/pull/45864, but we forgot to remove the originals.  This just removes the originals, but all the test cases were covered in that other pull.

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Fix typo in test_helper

`CompareObjectMeta` is comparting Name attribute, but
logging Namespace. Looks like a copy/paste error.

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add test in descibe resourcequota

**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
```

because the user may be trying to pipe the output of this command as
the input to another. This makes `set subject` and `set resources`
consistent with all similar commands in this directory.
Signed-off-by: Bryan Boreham <bryan@weave.works>

Automatic merge from submit-queue

fix err message typo and small change in UX

**What this PR does / why we need it**:
1. small ux change

2. fix typo: convertable to convertible

**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
```

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Add createdby annotation for rbd and quobyte and make dynamical createdby key const

make dynamical createdby key const

**Release note**:

```release-note
NONE
```

Automatic merge from submit-queue

print the name of invalid host to help to fix the bug

print the name of invalid host to help to fix the bug.

make dynamical createdby key const

Automatic merge from submit-queue

Update examples in Makefile with WHAT arguments changed.

**What this PR does / why we need it**:
The examples `make check WHAT` and `make vet WHAT` in Makefile don't work anymore. This PR updates them.

**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes #
xref: https://github.com/kubernetes/community/issues/327, https://github.com/kubernetes/community/pull/296, https://github.com/kubernetes/kubernetes/pull/39433

**Special notes for your reviewer**:

**Release note**:

```release-note
NONE
```

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documentation for implementors of RESTCreateStrategy

**What this PR does / why we need it**:
Documentation useful for those implementing these methods.

**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: no issue.

**Special notes for your reviewer**:
I am implementing these for service broker, and gives me examples of what is done or should be done.

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

Automatic merge from submit-queue

Make BoundedFrequencyRunner Run() really non-blocking

Automatic merge from submit-queue (batch tested with PRs 46429, 46308, 46395, 45867, 45492)

deduplicate endpoints before DNS registration

**What this PR does / why we need it**: Multizone clusters will return duplicated endpoints to the federation controller manager. The FCM will then attempt to create an A record with duplicate entries, which will fail. As a result, federated services on multi-AZ clusters don't work right now. This PR deduplicates the endpoint IPs before attempting the DNS record registration. 

**Which issue this PR fixes**: fixes #35997

**Special notes for your reviewer**:
I believe there is a lot of refactoring required with multizone federated clusters, most notably with regard to AWS and optimising for ALIAS records rather than A, but this PR will at least allow basic functionality to work.

```release-note NONE
```

Automatic merge from submit-queue (batch tested with PRs 46429, 46308, 46395, 45867, 45492)

Controller history

**What this PR does / why we need it**:
Implements the ControllerRevision API object and clientset to allow for the implementation of StatefulSet update and DaemonSet history

```release-note
ControllerRevision type added for StatefulSet and DaemonSet history.
```