*: check raftcluster nil

[HuSharp]

What problem does this PR solve?

Issue Number: Close #7053

What is changed and how does it work?

Check List

Tests

• Unit test
• Integration test
• Manual test (add detailed scripts or steps below)
• No code

Release note

None.

[ti-chi-bot]

[REVIEW NOTIFICATION]

This pull request has been approved by:

• lhy1024
• rleungx

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[codecov]

Codecov Report

Merging #7054 (2f5117e) into master (d031342) will decrease coverage by 0.05%.
Report is 1 commits behind head on master.
The diff coverage is 44.44%.

❗ Current head 2f5117e differs from pull request most recent head 410c9a9. Consider uploading reports for the commit 410c9a9 to get more accurate results

@@            Coverage Diff             @@
##           master    #7054      +/-   ##
==========================================
- Coverage   74.41%   74.36%   -0.05%     
==========================================
  Files         436      436              
  Lines       46440    46460      +20     
==========================================
- Hits        34558    34552       -6     
- Misses       8858     8874      +16     
- Partials     3024     3034      +10     

Flag	Coverage Δ
unittests	74.36% <44.44%> (-0.05%)	⬇️

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[lhy1024]

Do we need to add some tests? Which branches do we need to pick?

[HuSharp]

Which branches do we need to pick?

I think it need to pick to the branch which we supported

[HuSharp]

After reviewing the code, I found that there is a middleware that checks raftCluster #1908
I am not sure why this panic is occurring... :(

[rleungx]

After reviewing the code, I found that there is a middleware that checks raftCluster #1908 I am not sure why this panic is occurring... :(

Maybe you need to use getCluster(r)?

[HuSharp]

After reviewing the code, I found that there is a middleware that checks raftCluster #1908 I am not sure why this panic is occurring... :(

Maybe you need to use getCluster(r)?

get it

[HuSharp]

Can you leave a merge label @rleungx @lhy1024 thx! :)

[lhy1024]

/merge

[ti-chi-bot]

@lhy1024: It seems you want to merge this PR, I will help you trigger all the tests:

/run-all-tests

You only need to trigger /merge once, and if the CI test fails, you just re-trigger the test that failed and the bot will merge the PR for you after the CI passes.

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[ti-chi-bot]

This pull request has been accepted and is ready to merge.

Commit hash: 2f5117e

[ti-chi-bot]

@HuSharp: Your PR was out of date, I have automatically updated it for you.

If the CI test fails, you just re-trigger the test that failed and the bot will merge the PR for you after the CI passes.

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 ti-community-infra/tichi repository.

[ti-chi-bot]

In response to a cherrypick label: new pull request created to branch release-5.3: #7067.

[ti-chi-bot]

In response to a cherrypick label: new pull request created to branch release-5.4: #7068.

[ti-chi-bot]

In response to a cherrypick label: new pull request created to branch release-6.1: #7069.

[ti-chi-bot]

In response to a cherrypick label: new pull request created to branch release-6.5: #7070.

[ti-chi-bot]

In response to a cherrypick label: new pull request created to branch release-7.1: #7071.