log_backup: add lock for truncating (#49469)

[ti-chi-bot]

This is an automated cherry-pick of #49469

What problem does this PR solve?

Issue Number: close #49414

Problem Summary:
See the issue.

What changed and how does it work?

This PR added a lock while we are doing truncating.
The lock will be send with metadata of the node that locks the storage, so other can read the lock and decide whether it is valid.

Check List

Tests

• Unit test
• Integration test
• Manual test (add detailed scripts or steps below)

- [ ] No need to test > - [ ] I checked and no code files have been changed. >

Release note

Please refer to Release Notes Language Style Guide to write a quality release note.

Concurrent run of log truncate will cause fail now.

[ti-chi-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: BornChanger, YuJuncen

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• OWNERS [YuJuncen]

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[ti-chi-bot]

[LGTM Timeline notifier]

Timeline:

• 2023-12-25 03:43:40.101774062 +0000 UTC m=+1450911.139000990: ☑️ agreed by YuJuncen.
• 2023-12-26 04:30:34.623026761 +0000 UTC m=+1540125.660253705: ☑️ agreed by BornChanger.

[BornChanger]

/retest

[YuJuncen]

/test-mysql-test

[BornChanger]

/retest

[YuJuncen]

/test mysql-test

[tiprow]

@YuJuncen: No presubmit jobs available for pingcap/[email protected]

In response to this:

/test mysql-test

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[YuJuncen]

/test mysql-test

[tiprow]

@YuJuncen: No presubmit jobs available for pingcap/[email protected]

In response to this:

/test mysql-test

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.

[codecov]

Codecov Report

❗ No coverage uploaded for pull request base (release-6.5@13eeb6a). Click here to learn what that means.
The diff coverage is n/a.

Additional details and impacted files

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