cluster: add tidb dashboard

[nexustar]

What problem does this PR solve?

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

Base: 23.46% // Head: 43.71% // Increases project coverage by +20.25% 🎉

Coverage data is based on head (2828774) compared to base (52b3db5).
Patch coverage: 10.32% of modified lines in pull request are covered.

Additional details and impacted files

@@             Coverage Diff             @@
##           master    #2017       +/-   ##
===========================================
+ Coverage   23.46%   43.71%   +20.25%     
===========================================
  Files         285      314       +29     
  Lines       33269    36491     +3222     
===========================================
+ Hits         7805    15951     +8146     
+ Misses      24593    18643     -5950     
- Partials      871     1897     +1026     

Flag	Coverage Δ
cluster	29.56% <8.73%> (?)
dm	18.06% <0.00%> (?)
playground	12.94% <0.00%> (?)
tiup	13.93% <0.00%> (-0.08%)	⬇️
unittest	20.51% <7.94%> (-0.06%)	⬇️

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

Impacted Files	Coverage Δ
pkg/cluster/spec/instance.go	59.23% <ø> (+41.20%)	⬆️
pkg/cluster/spec/validate.go	92.97% <ø> (+2.05%)	⬆️
pkg/cluster/template/scripts/dashboard.go	0.00% <0.00%> (ø)
pkg/cluster/spec/dashboard.go	5.32% <5.32%> (ø)
pkg/cluster/task/update_meta.go	73.91% <42.86%> (+73.91%)	⬆️
pkg/cluster/spec/spec.go	79.28% <71.43%> (+28.42%)	⬆️
components/playground/instance/tikv_config.go	100.00% <0.00%> (ø)
components/playground/instance/tidb.go	81.25% <0.00%> (ø)
components/playground/instance/instance.go	48.57% <0.00%> (ø)
components/dm/task/update_dm_meta.go	0.00% <0.00%> (ø)
... and 181 more

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[nexustar]

/merge

[ti-chi-bot]

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

Commit hash: 8aa2e53

[ti-chi-bot]

@nexustar: Your PR was out of date, I have automatically updated it for you.

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