cluster: fix concurrent map writes

[srstack]

What problem does this PR solve?

fix #1897

What is changed and how it works?

Check List

Tests

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

Code changes

• Has exported function/method change
• Has exported variable/fields change
• Has interface methods change
• Has persistent data change

Side effects

• Possible performance regression
• Increased code complexity
• Breaking backward compatibility

Related changes

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

Release notes:

NONE

[ti-chi-bot]

[REVIEW NOTIFICATION]

This pull request has been approved by:

• AstroProfundis

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[codecov-commenter]

Codecov Report

Merging #1895 (8fb408a) into master (f7d350a) will decrease coverage by 0.09%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master    #1895      +/-   ##
==========================================
- Coverage   52.85%   52.76%   -0.09%     
==========================================
  Files         307      307              
  Lines       35169    35175       +6     
==========================================
- Hits        18588    18559      -29     
- Misses      14396    14425      +29     
- Partials     2185     2191       +6     

Flag	Coverage Δ
cluster	41.14% <100.00%> (-0.13%)	⬇️
dm	24.53% <100.00%> (-<0.01%)	⬇️
playground	12.75% <ø> (-<0.01%)	⬇️
tiup	14.34% <ø> (ø)
unittest	21.20% <0.00%> (ø)

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
pkg/cluster/manager/display.go	49.65% <100.00%> (ø)
pkg/cluster/spec/pump.go	60.65% <0.00%> (-4.52%)	⬇️
pkg/cluster/api/pdapi.go	57.47% <0.00%> (-3.16%)	⬇️
pkg/cluster/spec/pd.go	65.02% <0.00%> (-1.23%)	⬇️
pkg/cluster/operation/check.go	47.84% <0.00%> (-0.68%)	⬇️
pkg/cluster/operation/destroy.go	59.45% <0.00%> (-0.64%)	⬇️
pkg/cluster/api/binlog.go	38.22% <0.00%> (-0.52%)	⬇️
pkg/cluster/spec/profile.go	66.67% <0.00%> (+14.17%)	⬆️

---

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[AstroProfundis]

/merge

[ti-chi-bot]

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

Commit hash: 8fb408a