add node out-of-service taint when node is shutdown

[jwtty]

What type of PR is this?

/kind feature

What this PR does / why we need it:

Add node.kubernetes.io/out-of-service when instance is shutdown so pods can be forcefully deleted. Implement the node non-graceful shutdown feature.

There is a delay between the time node becomes NotReady and cloud provider detects node instance is shutdown, which is caused by cache refresh period. Current cache refresh period is 10min by default. So it can take at most 10min before node shutdown taint and node out-of-service taint are added.

Which issue(s) this PR fixes:

Fixes #3269

Special notes for your reviewer:

Does this PR introduce a user-facing change?

Implement node non-graceful shut down feature. Add "node.kubernetes.io/out-of-service" taint to node when cloud provider determines the node is shutdown.

Additional documentation e.g., KEPs (Kubernetes Enhancement Proposals), usage docs, etc.:

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: jwtty

The full list of commands accepted by this bot can be found here.

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Needs approval from an approver in each of these files:

• OWNERS [jwtty]

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[jwtty]

/retest

[feiskyer]

/lgtm

[jwtty]

/test pull-cloud-provider-azure-e2e-ccm-vmss-multi-slb-capz

[jwtty]

/cherrypick release-1.26

[k8s-infra-cherrypick-robot]

@jwtty: once the present PR merges, I will cherry-pick it on top of release-1.26 in a new PR and assign it to you.

In response to this:

/cherrypick release-1.26

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes/test-infra repository.

[jwtty]

/cherrypick release-1.27

[k8s-infra-cherrypick-robot]

@jwtty: once the present PR merges, I will cherry-pick it on top of release-1.27 in a new PR and assign it to you.

In response to this:

/cherrypick release-1.27

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes/test-infra repository.

[jwtty]

/cherrypick release-1.28

[k8s-infra-cherrypick-robot]

@jwtty: once the present PR merges, I will cherry-pick it on top of release-1.28 in a new PR and assign it to you.

In response to this:

/cherrypick release-1.28

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes/test-infra repository.

[jwtty]

/test pull-cloud-provider-azure-e2e-ccm-capz

[coveralls]

coverage: 80.163% (-0.02%) from 80.185% when pulling 74443ed on jwtty:non-graceful-shutdown into 673def5 on kubernetes-sigs:master.

[k8s-infra-cherrypick-robot]

@jwtty: #4508 failed to apply on top of branch "release-1.26":

Applying: add node out-of-service taint when node is shutdown
Using index info to reconstruct a base tree...
M	pkg/provider/azure.go
M	pkg/provider/azure_test.go
Falling back to patching base and 3-way merge...
Auto-merging pkg/provider/azure_test.go
CONFLICT (content): Merge conflict in pkg/provider/azure_test.go
Auto-merging pkg/provider/azure.go
CONFLICT (content): Merge conflict in pkg/provider/azure.go
error: Failed to merge in the changes.
hint: Use 'git am --show-current-patch=diff' to see the failed patch
Patch failed at 0001 add node out-of-service taint when node is shutdown
When you have resolved this problem, run "git am --continue".
If you prefer to skip this patch, run "git am --skip" instead.
To restore the original branch and stop patching, run "git am --abort".

In response to this:

/cherrypick release-1.26

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes/test-infra repository.

[k8s-infra-cherrypick-robot]

@jwtty: #4508 failed to apply on top of branch "release-1.27":

Applying: add node out-of-service taint when node is shutdown
Using index info to reconstruct a base tree...
M	pkg/provider/azure.go
M	pkg/provider/azure_test.go
Falling back to patching base and 3-way merge...
Auto-merging pkg/provider/azure_test.go
CONFLICT (content): Merge conflict in pkg/provider/azure_test.go
Auto-merging pkg/provider/azure.go
CONFLICT (content): Merge conflict in pkg/provider/azure.go
error: Failed to merge in the changes.
hint: Use 'git am --show-current-patch=diff' to see the failed patch
Patch failed at 0001 add node out-of-service taint when node is shutdown
When you have resolved this problem, run "git am --continue".
If you prefer to skip this patch, run "git am --skip" instead.
To restore the original branch and stop patching, run "git am --abort".

In response to this:

/cherrypick release-1.27

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes/test-infra repository.

[k8s-infra-cherrypick-robot]

@jwtty: new pull request created: #4520

In response to this:

/cherrypick release-1.28

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes/test-infra repository.