Introduced flag to specify when sts deleted, pvc's behavious

[CharlesQQ]

What type of PR is this?

/kind bug

What this PR does / why we need it: Introduced flag to specify when sts deleted, pvc's behavious

Which issue(s) this PR fixes: Fixes https://github.com/karmada-io/karmada/issues/4750

Special notes for your reviewer:

Does this PR introduce a user-facing change?:

`karmadactl`/`kubectl-karmada`: Introduced `etcd-sts-pvc-delete-policy` flags to specify when sts deleted, pvc's behavious

[karmada-bot]

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[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 51.78%. Comparing base (13dafc6) to head (e5f0662). Report is 23 commits behind head on master.

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```diff @@ Coverage Diff @@ ## master #4759 +/- ## ========================================== - Coverage 51.81% 51.78% -0.03% ========================================== Files 250 250 Lines 24983 24991 +8 ========================================== - Hits 12944 12942 -2 - Misses 11330 11340 +10 Partials 709 709 ``` | [Flag](https://app.codecov.io/gh/karmada-io/karmada/pull/4759/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=karmada-io) | Coverage Δ | | |---|---|---| | [unittests](https://app.codecov.io/gh/karmada-io/karmada/pull/4759/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=karmada-io) | `51.78% <100.00%> (-0.03%)` | :arrow_down: | Flags with carried forward coverage won't be shown. [Click here](https://docs.codecov.io/docs/carryforward-flags?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=karmada-io#carryforward-flags-in-the-pull-request-comment) to find out more.

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[XiShanYongYe-Chang]

What should we do with these flags for Kubernetes versions prior to v1.26?

[CharlesQQ]

What should we do with these flags for Kubernetes versions prior to v1.26?

patch ovnerreference to pvc metedata

[XiShanYongYe-Chang]

patch ovnerreference to pvc metedata

Sorry, let me rephrase my question. If the version of karmada-apiserver is before 1.27, will the current change have no effect or will it cause the etcd statefulset to report an error?

[CharlesQQ]

If the version of karmada-apiserver is before 1.27, will the current change have no effect or will it cause the etcd statefulset to report an error?

sts has no field spec.persistentVolumeClaimRetentionPolicy, so sts can't be created and report an error

[XiShanYongYe-Chang]

This behavior may not be expected as we allow the user to set the version of the apiserver:

https://github.com/karmada-io/karmada/blob/456d099404d09ba4094614a6a3a8bea36cdf6d61/pkg/karmadactl/cmdinit/cmdinit.go#L121

We may need to add some judgment logic.