change unnecessary switch to if in metrics.go

[Octopusjust]

What type of PR is this?

/kind cleanup

What this PR does / why we need it:

there is only one judgement clause, it's unnecessary to use switch, so i change it to if

Which issue(s) this PR fixes:

Fixes #

Special notes for your reviewer:

Does this PR introduce a user-facing change?

NONE

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

[k8s-ci-robot]

Please note that we're already in Test Freeze for the release-1.26 branch. This means every merged PR will be automatically fast-forwarded via the periodic ci-fast-forward job to the release branch of the upcoming v1.26.0 release.

Fast forwards are scheduled to happen every 6 hours, whereas the most recent run was: Tue Nov 29 21:40:19 UTC 2022.

[k8s-ci-robot]

Hi @Octopusjust. Thanks for your PR.

I'm waiting for a kubernetes member to verify that this patch is reasonable to test. If it is, they should reply with /ok-to-test on its own line. Until that is done, I will not automatically test new commits in this PR, but the usual testing commands by org members will still work. Regular contributors should join the org to skip this step.

Once the patch is verified, the new status will be reflected by the ok-to-test label.

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[fedebongio]

/assign @logicalhan
/triage accepted

[aimuz]

/ok-to-test

[aimuz]

/lgtm

[Octopusjust]

/cc @liggitt @enj
thanks

[k8s-ci-robot]

@Octopusjust: The following tests failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
pull-kubernetes-conformance-kind-ipv6-parallel	51665d92b09538ef790974bdfac927ce0f702c5c	link	false	/test pull-kubernetes-conformance-kind-ipv6-parallel
pull-kubernetes-e2e-gci-gce-ipvs	8ccd3e749e61dea8ba737a099f900c750745cf73	link	false	/test pull-kubernetes-e2e-gci-gce-ipvs

Full PR test history. Your PR dashboard. Please help us cut down on flakes by linking to an open issue when you hit one in your PR.

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. I understand the commands that are listed here.

[Octopusjust]

/retest

[liggitt]

/lgtm
/approve

[k8s-ci-robot]

LGTM label has been added.

Git tree hash: 94689f9e2cb77fe24c42ed541bb3d3bb57ce8171

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: liggitt, Octopusjust

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• staging/src/k8s.io/apiserver/pkg/storage/value/OWNERS [liggitt]

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