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>.

remove unused function in cmd_test.go

PR removed unused defaultClientConfigForVersion（） functions from cmd_test.go.



**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**:

```
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>.

Add support for CronJob to kind_visitor

Fixes https://github.com/kubernetes/kubectl/issues/126

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>.

Fixes kubectl Pod Disruption Budget and adds tests

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

This PR fixes several kubectl Pod Disruption Budget issues:
* The `min-available` parameter in Pod Disruption Budget V1 is not required (otherwise it will never use the default value)
* Removes the deprecated `min-available` default in Pod Disruption Budget V2
* The `selector` parameter in Pod Disruption Budget V2 is required
* Fixes (typo) the `max-unavailable` parameter check in Pod Disruption Budget V2
* Fixes some  assertion error messages where the value printed was always the zero value of the parameter type instead of the parameter provided
* Updated kubectl Pod Disruption Budget to use policy V1Beta1 instead of unversioned API (see https://github.com/kubernetes/kubectl/issues/90)
* Add missing tests

**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/kubectl/issues/101

**Special notes for your reviewer**:

Spllited in several commits to make the review process easier. Please let me know if you prefer to squash some commits or if you prefer to split them in different PRs.

**Release note**:

```release-note
NONE
```

/cc @kubernetes/sig-cli-pr-reviews

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Lift embedded structure out of eviction-related KubeletConfiguration fields

- Changes the following KubeletConfiguration fields from `string` to
`map[string]string`:
  - `EvictionHard`
  - `EvictionSoft`
  - `EvictionSoftGracePeriod`
  - `EvictionMinimumReclaim`
- Adds flag parsing shims to maintain Kubelet's public flags API, while
enabling structured input in the file API.
- Also removes `kubeletconfig.ConfigurationMap`, which was an ad-hoc flag
parsing shim living in the kubeletconfig API group, and replaces it
with the `MapStringString` shim introduced in this PR. Flag parsing
shims belong in a common place, not in the kubeletconfig API.
I manually audited these to ensure that this wouldn't cause errors
parsing the command line for syntax that would have previously been
error free (`kubeletconfig.ConfigurationMap` was unique in that it
allowed keys to be provided on the CLI without values. I believe this was
done in `flags.ConfigurationMap` to facilitate the `--node-labels` flag,
which rightfully accepts value-free keys, and that this shim was then
just copied to `kubeletconfig`). Fortunately, the affected fields
(`ExperimentalQOSReserved`, `SystemReserved`, and `KubeReserved`) expect
non-empty strings in the values of the map, and as a result passing the
empty string is already an error. Thus requiring keys shouldn't break
anyone's scripts.
- Updates code and tests accordingly.

Regarding eviction operators, directionality is already implicit in the
signal type (for a given signal, the decision to evict will be made when
crossing the threshold from either above or below, never both). There is
no need to expose an operator, such as `<`, in the API. By changing
`EvictionHard` and `EvictionSoft` to `map[string]string`, this PR
simplifies the experience of working with these fields via the
`KubeletConfiguration` type. Again, flags stay the same.

Other things:
- There is another flag parsing shim, `flags.ConfigurationMap`, from the
shared flag utility. The `NodeLabels` field still uses
`flags.ConfigurationMap`. This PR moves the allocation of the
`map[string]string` for the `NodeLabels` field from
`AddKubeletConfigFlags` to the defaulter for the external
`KubeletConfiguration` type. Flags are layered on top of an internal
object that has undergone conversion from a defaulted external object,
which means that previously the mere registration of flags would have
overwritten any previously-defined defaults for `NodeLabels` (fortunately
there were none).

Related: #53833 (lifting embedded structures out of string fields is part of getting this API to beta)

```release-note
The EvictionHard, EvictionSoft, EvictionSoftGracePeriod, EvictionMinimumReclaim, SystemReserved, and KubeReserved fields in the KubeletConfiguration object (kubeletconfig/v1alpha1) are now of type map[string]string, which facilitates writing JSON and YAML files.
```

Automatic merge from submit-queue (batch tested with PRs 54134, 54507). 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>.

Added service annotation for AWS ELB SSL policy

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

This work adds a new supported service annotation for AWS clusters, `service.beta.kubernetes.io/aws-load-balancer-ssl-negotiation-policy`, which lets users specify which [predefined AWS SSL policy](http://docs.aws.amazon.com/elasticloadbalancing/latest/classic/elb-security-policy-table.html) they would like to use.

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

Fixes #43744

**Special notes for your reviewer**:

While this PR doesn't allow users to define their own cipher policy in an annotation, a user could (out of band) create their own policy on an ELB with the naming convention `k8s-SSLNegotiationPolicy-<my-policy-name>` and specify it with the above annotation.

This is my second k8s PR, and I don't have experience with an e2e test, would that be required for this change? I did run this in a kubeadm cluster and it worked like a charm. I was able to choose different predefined policies, and revert to the default policy when I removed the annotation.

**Release note**:

```release-note
Added service annotation for AWS ELB SSL policy
```

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Adding unit tests to methods of 'scheduler/algorithm/priorities/util'

What this PR does / why we need it:

 1) Adding unit tests to methods of 'non_zero.go'
 2) Adding unit tests to methods of 'util.go'
 3) Adding/Modifing unit tests to methods of 'topologies.go'

thank you!

Automatic merge from submit-queue (batch tested with PRs 55392, 55491, 51914, 55831, 55836). 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>.

Guarantee that status errors have a kind set

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Rename log-dump env to `LOG_DUMP_SYSTEMD_SERVICES`.

For https://github.com/kubernetes/features/issues/286.

Rename `SYSTEMD_SERVICES` to `LOG_DUMP_SYSTEMD_SERVICES`. test-infra disables log dump in our e2e framework, and uses a different log dump logic https://github.com/kubernetes/test-infra/blob/master/kubetest/e2e.go#L480-L497. So the flags we added in https://github.com/kubernetes/kubernetes/pull/55288 will not work in test-infra.

Fortrunately, test-infra is using the same script `cluster/log-dump/log-dump.sh`, so we could still configure systemd services by setting the environment variable globally.

The original environment variable name is too general for setting globally, change it to a more specific name.

**Release note**:

```release-note
none
```

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Move regexp.MustCompile to global variable

Move regexp.MustCompile to global variable.
regexp.MustCompile heavy function and can be run on init app
```release-note
NONE
```

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Fix dangling attach errors

Detach volumes from shutdown nodes and ensure that
dangling volumes are handled correctly in AWS

Fixes https://github.com/kubernetes/kubernetes/issues/52573 

```release-note
Implement correction mechanism for dangling volumes attached for deleted pods
```

Automatic merge from submit-queue (batch tested with PRs 55392, 55491, 51914, 55831, 55836). 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>.

Remove unused pkg/apis/policy/v1alpha1

- Changes the following KubeletConfiguration fields from `string` to
`map[string]string`:
  - `EvictionHard`
  - `EvictionSoft`
  - `EvictionSoftGracePeriod`
  - `EvictionMinimumReclaim`
- Adds flag parsing shims to maintain Kubelet's public flags API, while
enabling structured input in the file API.
- Also removes `kubeletconfig.ConfigurationMap`, which was an ad-hoc flag
parsing shim living in the kubeletconfig API group, and replaces it
with the `MapStringString` shim introduced in this PR. Flag parsing
shims belong in a common place, not in the kubeletconfig API.
I manually audited these to ensure that this wouldn't cause errors
parsing the command line for syntax that would have previously been
error free (`kubeletconfig.ConfigurationMap` was unique in that it
allowed keys to be provided on the CLI without values. I believe this was
done in `flags.ConfigurationMap` to facilitate the `--node-labels` flag,
which rightfully accepts value-free keys, and that this shim was then
just copied to `kubeletconfig`). Fortunately, the affected fields
(`ExperimentalQOSReserved`, `SystemReserved`, and `KubeReserved`) expect
non-empty strings in the values of the map, and as a result passing the
empty string is already an error. Thus requiring keys shouldn't break
anyone's scripts.
- Updates code and tests accordingly.

Regarding eviction operators, directionality is already implicit in the
signal type (for a given signal, the decision to evict will be made when
crossing the threshold from either above or below, never both). There is
no need to expose an operator, such as `<`, in the API. By changing
`EvictionHard` and `EvictionSoft` to `map[string]string`, this PR
simplifies the experience of working with these fields via the
`KubeletConfiguration` type. Again, flags stay the same.

Other things:
- There is another flag parsing shim, `flags.ConfigurationMap`, from the
shared flag utility. The `NodeLabels` field still uses
`flags.ConfigurationMap`. This PR moves the allocation of the
`map[string]string` for the `NodeLabels` field from
`AddKubeletConfigFlags` to the defaulter for the external
`KubeletConfiguration` type. Flags are layered on top of an internal
object that has undergone conversion from a defaulted external object,
which means that previously the mere registration of flags would have
overwritten any previously-defined defaults for `NodeLabels` (fortunately
there were 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>.

Only attempt to construct GC informers for watchable resources

A resource must support list/watch in addition to delete for an informer to be functional

Exclude resources that are not watchable from informer construction

Also fixes a bug with the graph builder not using the instance-configured list of ignored resources

/assign @ironcladlou

```release-note
NONE
```

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Revert "Add options for mounting SCSI or NVMe local SSD though Block or Filesystem and do all of that with UUID"

Reverts kubernetes/kubernetes#53466

@mindprince @davidz627

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Move 'alpha' KubeletConfiguration fields that aren't feature-gated and self-registration fields to KubeletFlags

Some of these fields are marked "alpha" in help text. They cannot be in the KubeletConfiguration object unless they are feature gated or graduated from alpha. 

Others relate to Kubelet self-registration, and given https://github.com/kubernetes/community/pull/911 I think its prudent to wait and see if these really should be in the KubeletConfiguration type.

For now we just leave them all as flags.

```release-note
NONE
```

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Fix TestForgivenessAdmission.

This test would never fail because Annotations were empty in all cases!

This was missed when Tolerations were moved from Annotations to be part of Pod.Spec in #38957.

/kind bug
/sig scheduling

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

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Using --show-labels with incompatible ‘kubectl get’ arguments should …

…error out

**What this PR does / why we need it**:
According to @ahmetb 's [issue](https://github.com/kubernetes/kubernetes/issues/55290)  
Under specific circumstances, current behavior is that the `--show-labels` simply doesn’t make a difference since it’s not applicable.  

**Which issue(s) this PR fixes** :
Fixes #55290 

**Release note**:

```release-note
NONE
```

Revert "Add options for mounting SCSI or NVMe local SSD though Block or Filesystem and do all of that with UUID"

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remove redundant code in ValidateDiscovery
Signed-off-by: yuexiao-wang <wang.yuexiao@zte.com.cn>



**What this PR does / why we need it**:
Remove redundant code in ValidateDiscovery.
It deplicated check for DiscoveryToken and DiscoveryFile as follows:


func ValidateDiscovery(c *kubeadm.NodeConfiguration, fldPath *field.Path) field.ErrorList {
	allErrs := field.ErrorList{}

	if len(c.DiscoveryToken) != 0 {
		allErrs = append(allErrs, ValidateToken(c.DiscoveryToken, fldPath)...)
	}
	if len(c.DiscoveryFile) != 0 {
		allErrs = append(allErrs, ValidateDiscoveryFile(c.DiscoveryFile, fldPath)...)
	}
	allErrs = append(allErrs, ValidateArgSelection(c, fldPath)...)
	allErrs = append(allErrs, ValidateToken(c.TLSBootstrapToken, fldPath)...)
	allErrs = append(allErrs, ValidateJoinDiscoveryTokenAPIServer(c, fldPath)...)

	if len(c.DiscoveryToken) != 0 {
		allErrs = append(allErrs, ValidateToken(c.DiscoveryToken, fldPath)...)
	}
	if len(c.DiscoveryFile) != 0 {
		allErrs = append(allErrs, ValidateDiscoveryFile(c.DiscoveryFile, fldPath)...)
	}
	return allErrs
}

**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**:
cc @luxas 

**Release note**:

```release-note
NONE
```

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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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Fix a typo in CloudControllerManager

**What this PR does / why we need it**:
Fix a typo in CloudControllerManager
**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
```

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Improve documentation for kubeadm preflight command

**What this PR does / why we need it**:
This PR is part of the effort for improving kubeadm reference doc (CLI, website, manpages), and more specifically improves documentation for `kubeadm alpha phase preflight`

**Which issue(s) this PR fixes**:
part of the effort for [#265](https://github.com/kubernetes/kubeadm/issues/265)

**Special notes for your reviewer**:
The PR has two commits:
- `Clone documentation utility from //pkg/kubectl/cmd/templates`, that re-implements in kubeadm some kubectl utilities for handling description and examples for cobra.commands; more PR will follow re-using those utilities. NB. I was forced to add an exception to golint because `blackfriday.Renderer` requires to implement an interface that is not compliant
- `kubeadm-doc-preflight` that implements improvement to `kubeadm alpha phase preflight`

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

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Adds Octavia v2 as LoadBalancer provider

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

Adds support for using Octavia as the OpenStack LB provider.  

**Which issue(s) this PR fixes**:

Although some LB providers can be specified using the [lb-provider](https://github.com/kubernetes/kubernetes/pull/54176/files#diff-694c675fe77b09923cc453e7228f8fa8R85) JSON request field, other installations which use Octavia by default rely on it being discovered via the service catalog. When a user specifies the `load-balancer` service type, it will get back the root Octavia endpoint URL, which needs to have `v2.0` appended to it.

To facilitate this change, gophercloud recently added the `NewLoadBalancerV2` helper in https://github.com/gophercloud/gophercloud/pull/591.

**Release note**:

```release-note
Octavia v2 now supported as a LB provider
```

/cc @xgerman

Automatic merge from submit-queue (batch tested with PRs 55868, 55393, 55152, 55849). 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>.

Set resource-gathering and probe-duration period for kubemark

Ref https://github.com/kubernetes/kubernetes/issues/55818#issuecomment-344888480

/cc @porridge 
fyi - @jiayingz

Detach volumes from shutdown nodes and ensure that
dangling volumes are handled correctly in AWS

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Stop executing Pod Priority and Preemption e2e tests on GKE.

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GetPodPortMappings should return nil error if checkpoint returns with KeyNotFound error

**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)*:
Fixes #55819 

**Special notes for your reviewer**:

**Release note**:

```release-note
NONE
```

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Move category expander out of kubectl/resource

Removes coupling with unstructured.  Part of refactoring get.go and simplifying the builder.

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Add e2e test for mount propagation

**What this PR does / why we need it**:
This adds e2e test for mount propagation introduced by #46444.

@kubernetes/sig-node-pr-reviews 
/sig node

**Release note**:
```release-note
None
```

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Parse the last partial line in CRI logs

@Random-Liu @yujuhong @runcom @feiskyer PTAL

Fixes part of https://github.com/kubernetes/kubernetes/issues/44976

This should work while we find a longer term format for CRI logs.
Signed-off-by: Mrunal Patel <mrunalp@gmail.com>

**What this PR does / why we need it**:
This PR attempts to parse the last line of  log even if it doesn't have a newline. Today for CRI based log formats such lines are ignored and empty output is returned.

**Which issue(s) this PR fixes** 
Fixes part of #44976

**Special notes for your reviewer**:
Use a CRI runtime like CRI-O and the output will be empty for these commands without this PR.
```
# kubectl create -f https://raw.githubusercontent.com/openshift-qe/v3-testfiles/master/configmap/configmap.yaml
# kubectl create -f https://raw.githubusercontent.com/openshift-qe/v3-testfiles/master/configmap/pod-configmap-volume1.yaml 
# kubectl logs dapi-test-pod-1 
very# 
```

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

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Fix failed to access service of e2e test

**What this PR does / why we need it**:
We should create service before deployments as said in the issue.

**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 [#55696](https://github.com/kubernetes/kubernetes/issues/55696)

**Special notes for your reviewer**:

**Release note**:

```release-note
NONE
```

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kubeadm: Create dnsIP by selecting the tenth IP from k8s svc CIDR

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

Creates dnsIP by selecting the ninth IP from k8s svc cluster IP, instead of appending 0 to the k8s svcIP string. 

**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes #51997

**Special notes for your reviewer**:
This is helpful when we have service cluster range CIDR as 10.87.116.64/26 (for example), previously this would have failed while parsing the dnsIP, as we used to append a 0 to the k8s svc clusterIP string. This will get the same dnsIP 10.96.0.10 for very widely used service cluster range CIDR 10.96.0.0/12


**Release note**:
```release-note
None
```

Automatic merge from submit-queue (batch tested with PRs 55798, 49579, 54862, 55188, 51990). 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 monitoring support for hardware accelerators

Currently only NVIDIA GPU monitoring is implemented.

Feature repo issue: https://github.com/kubernetes/features/issues/369
cAdvisor PR: https://github.com/google/cadvisor/pull/1762

/kind feature
/sig node
/sig instrumentation
/area hw-accelerators

**Release note**:
```release-note
Kubelet now exposes metrics for NVIDIA GPUs attached to the containers.
```

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fix a grammatical problem in a comment

**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)*:
Fixes #

**Special notes for your reviewer**:

**Release note**:

```release-note

```

Automatic merge from submit-queue (batch tested with PRs 55798, 49579, 54862, 55188, 51990). 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 back defaulting for parameter decoding

At the beginning of 1.7, we removed the last "conversion causes defaulting".  This broke the "default to true" behavior for exec and attach options, but we didn't notice.  This removes the broken defaulter (you can default a non-point bool to true on an object) and adds back defaulting to parameter codecs.

@k8s-mirror-api-machinery-misc @lavalamp @smarterclayton

Automatic merge from submit-queue (batch tested with PRs 55798, 49579, 54862, 55188, 51990). 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 special tag for disabling ESIPP and HPA-related tests on large clusters

As discussed offline, this would help improve accountability for tests needing some love from scalability perspective.

/cc @porridge 
fyi - @MrHohn @MaciekPytel @mwielgus @crassirostris 

@kubernetes/sig-scalability-misc