cluster: fix wrong status when display due to closure

[nexustar]

What problem does this PR solve?

• close tiup cluster: display down monitoring as up #1736

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 #1742 (64e4021) into master (5a7693d) will decrease coverage by 0.03%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master    #1742      +/-   ##
==========================================
- Coverage   53.16%   53.13%   -0.03%     
==========================================
  Files         303      303              
  Lines       34353    34357       +4     
==========================================
- Hits        18262    18253       -9     
- Misses      13945    13960      +15     
+ Partials     2146     2144       -2     

Flag	Coverage Δ
cluster	41.35% <100.00%> (-0.05%)	⬇️
dm	24.78% <75.00%> (+0.05%)	⬆️
playground	12.73% <0.00%> (-<0.01%)	⬇️
tiup	14.52% <0.00%> (-<0.01%)	⬇️
unittest	21.41% <75.00%> (+0.01%)	⬆️

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

Impacted Files	Coverage Δ
pkg/cluster/spec/alertmanager.go	67.39% <100.00%> (+0.36%)	⬆️
pkg/cluster/spec/grafana.go	63.81% <100.00%> (+0.17%)	⬆️
pkg/cluster/spec/monitoring.go	72.73% <100.00%> (+0.09%)	⬆️
pkg/cluster/spec/tispark.go	65.80% <100.00%> (+0.13%)	⬆️
pkg/utils/retry.go	46.43% <0.00%> (-16.07%)	⬇️
pkg/cluster/spec/tikv.go	61.31% <0.00%> (-1.31%)	⬇️
pkg/cluster/api/pdapi.go	58.94% <0.00%> (-0.53%)	⬇️
pkg/cluster/api/dmapi.go	61.63% <0.00%> (+1.74%)	⬆️

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[AstroProfundis]

/merge

[ti-chi-bot]

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

Details

Commit hash: 64e4021

[srstack]

LGTM