fix: cloud provider should only generate userAgent if it's not provided

[andyzhangx]

What type of PR is this?

/kind bug

What this PR does / why we need it:

fix: cloud provider should only generate userAgent if it's not provided

Which issue(s) this PR fixes:

Fixes #

Special notes for your reviewer:

Does this PR introduce a user-facing change?

fix: cloud provider should only generate userAgent if it's not provided

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

fix: cloud provider should only generate userAgent if it's not provided

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: andyzhangx

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• OWNERS [andyzhangx]

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[andyzhangx]

/retest

[MartinForReal]

/lgtm

[andyzhangx]

/cherrypick release-1.31

[andyzhangx]

/cherrypick release-1.30

[k8s-infra-cherrypick-robot]

@andyzhangx: #7723 failed to apply on top of branch "release-1.31":

Applying: fix: cloud provider should only generate userAgent if it's not provided
Using index info to reconstruct a base tree...
M	pkg/provider/azure.go
Falling back to patching base and 3-way merge...
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
hint: When you have resolved this problem, run "git am --continue".
hint: If you prefer to skip this patch, run "git am --skip" instead.
hint: To restore the original branch and stop patching, run "git am --abort".
hint: Disable this message with "git config advice.mergeConflict false"
Patch failed at 0001 fix: cloud provider should only generate userAgent if it's not provided

In response to this:

/cherrypick release-1.31

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-sigs/prow repository.

[k8s-infra-cherrypick-robot]

@andyzhangx: #7723 failed to apply on top of branch "release-1.30":

Applying: fix: cloud provider should only generate userAgent if it's not provided
Using index info to reconstruct a base tree...
M	pkg/provider/azure.go
Falling back to patching base and 3-way merge...
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
hint: When you have resolved this problem, run "git am --continue".
hint: If you prefer to skip this patch, run "git am --skip" instead.
hint: To restore the original branch and stop patching, run "git am --abort".
hint: Disable this message with "git config advice.mergeConflict false"
Patch failed at 0001 fix: cloud provider should only generate userAgent if it's not provided

In response to this:

/cherrypick release-1.30

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-sigs/prow repository.