Record owner's generation into STS's annotation

[ideascf]

What problem does this PR solve?

Currently, we have no ability to check whether the STS is already updated with the latest TC.spec.{component}. But for some scenarios, we want to know whether is a STS successfully updated. Therefore, this PR introduces a new annotation tidb.pingcap.com/owner-generation to store the generation of its owner into STS's annotation.

What is changed and how does it work?

Code changes

• [ ] Has Go code change
• [ ] Has CI related scripts change

Tests

• [ ] Unit test

• [ ] E2E test

• [x] Manual test

• [ ] No code

• create a cluster with old tidb-operator

• deploy new tidb-operator, components of this cluster shouldn't restart and all STSs shouldn't be annotated with that annotation

• scale tidb out, that annotation should be annotated into STS db-tidb and the old tidb pod shouldn't be restarted.

• scale tidb in, that annotation should be annotated into STS db-tidb and the another one tidb pod shouldn't be restarted.

k get tc -oyaml | grep generation
    generation: 31

get asts db-tidb -oyaml | grep owner-generation
    tidb.pingcap.com/owner-generation: "31"

Side effects

• [ ] Breaking backward compatibility
• [ ] Other side effects:

Related changes

• [ ] Need to cherry-pick to the release branch
• [ ] Need to update the documentation

Release Notes

Please refer to Release Notes Language Style Guide before writing the release note.

[ti-chi-bot[bot]]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: csuzhangxc

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

The pull request process is described here

Needs approval from an approver in each of these files: - ~~[OWNERS](https://github.com/pingcap/tidb-operator/blob/master/OWNERS)~~ [csuzhangxc] Approvers can indicate their approval by writing `/approve` in a comment Approvers can cancel approval by writing `/approve cancel` in a comment

[ti-chi-bot[bot]]

[LGTM Timeline notifier]

Timeline:

• 2024-05-16 03:49:55.671626204 +0000 UTC m=+1711549.428761774: :ballot_box_with_check: agreed by csuzhangxc.

[csuzhangxc]

/run-all-tests

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 50.00000% with 2 lines in your changes are missing coverage. Please review.

Project coverage is 30.57%. Comparing base (3897095) to head (cfb9dc2). Report is 6 commits behind head on master.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #5647 +/- ## =========================================== - Coverage 61.46% 30.57% -30.90% =========================================== Files 235 219 -16 Lines 30397 30312 -85 =========================================== - Hits 18683 9267 -9416 - Misses 9840 19759 +9919 + Partials 1874 1286 -588 ``` | [Flag](https://app.codecov.io/gh/pingcap/tidb-operator/pull/5647/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=pingcap) | Coverage Δ | | |---|---|---| | [e2e](https://app.codecov.io/gh/pingcap/tidb-operator/pull/5647/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=pingcap) | `30.57% <50.00%> (?)` | | | [unittest](https://app.codecov.io/gh/pingcap/tidb-operator/pull/5647/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=pingcap) | `?` | |

[csuzhangxc]

/run-pull-e2e-kind-across-kubernetes

[csuzhangxc]

/run-pull-e2e-kind-basic

[csuzhangxc]

/run-pull-e2e-kind-br

[csuzhangxc]

/run-pull-e2e-kind-serial