cluster/dm: support backup and restore cluster meta

[nexustar]

What problem does this PR solve?

• close support backup meta.yaml  #1782

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
• srstack

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[codecov-commenter]

Codecov Report

Merging #1801 (ff0b588) into master (d6ab2cc) will decrease coverage by 5.32%.
The diff coverage is 24.28%.

@@            Coverage Diff             @@
##           master    #1801      +/-   ##
==========================================
- Coverage   52.94%   47.62%   -5.32%     
==========================================
  Files         303      304       +1     
  Lines       34695    34857     +162     
==========================================
- Hits        18366    16599    -1767     
- Misses      14175    16107    +1932     
+ Partials     2154     2151       -3     

Flag	Coverage Δ
cluster	41.04% <15.56%> (-0.16%)	⬇️
dm	24.71% <15.56%> (+<0.01%)	⬆️
tiup	14.35% <0.00%> (-0.02%)	⬇️
unittest	?

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

Impacted Files	Coverage Δ
pkg/cluster/manager/basic.go	41.09% <0.00%> (-13.50%)	⬇️
pkg/utils/ioutil.go	48.64% <0.00%> (-11.45%)	⬇️
components/cluster/command/meta.go	54.05% <54.05%> (ø)
components/dm/command/meta.go	54.05% <54.05%> (ø)
components/cluster/command/root.go	46.02% <100.00%> (+0.19%)	⬆️
components/dm/command/root.go	56.50% <100.00%> (+0.22%)	⬆️
components/dm/ansible/worker.go	0.00% <0.00%> (-100.00%)	⬇️
pkg/meta/err.go	0.00% <0.00%> (-76.19%)	⬇️
pkg/cluster/api/error.go	0.00% <0.00%> (-75.00%)	⬇️
pkg/crypto/rand/passwd.go	0.00% <0.00%> (-75.00%)	⬇️
... and 55 more

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[AstroProfundis]

/merge

[ti-chi-bot]

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

Commit hash: ff0b588

[dveeden]

I didn't see any docs updates for this yet. Is there something I can help to review?

cc @TomShawn @qiancai