cluster: omit debug log from console output

[AstroProfundis]

What problem does this PR solve?

Debug logs are not supposed to print on console (stdout), instead, they are more reasonable to be in audit log records.

Also fix #959

What is changed and how it works?

• Not printing debug info to console
• Change the default log level of audit logger

Check List

Tests

• Manual test (add detailed scripts or steps below)

Code changes

• Has exported function/method change
• Has persistent data change

Related changes

• Need to cherry-pick to the release branch

Release notes:

cluster: remove debug log from console output

[codecov-io]

Codecov Report

Merging #977 (ffbc9a2) into master (250c47b) will increase coverage by 0.59%.
The diff coverage is 50.00%.

@@            Coverage Diff             @@
##           master     #977      +/-   ##
==========================================
+ Coverage   55.40%   55.99%   +0.59%     
==========================================
  Files         263      263              
  Lines       19854    19645     -209     
==========================================
+ Hits        11000    11001       +1     
+ Misses       7129     6919     -210     
  Partials     1725     1725              

Flag	Coverage Δ
cluster	43.60% <50.00%> (+0.02%)	⬆️
dm	24.17% <50.00%> (-0.07%)	⬇️
integrate	50.22% <50.00%> (+<0.01%)	⬆️
playground	20.57% <ø> (+<0.01%)	⬆️
tiup	16.79% <ø> (+<0.01%)	⬆️
unittest	22.94% <0.00%> (ø)

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

Impacted Files	Coverage Δ
components/playground/playground.go	41.63% <ø> (+11.07%)	⬆️
pkg/cluster/manager.go	67.66% <0.00%> (ø)
pkg/logger/log/log.go	100.00% <ø> (ø)
pkg/logger/audit.go	53.33% <100.00%> (ø)
pkg/cluster/api/dmapi.go	58.26% <0.00%> (-1.74%)	⬇️
pkg/cluster/api/pdapi.go	59.13% <0.00%> (+0.61%)	⬆️
pkg/utils/http_client.go	72.22% <0.00%> (+5.55%)	⬆️

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[lucklove]

/lgtm

[lucklove]

/merge

[ti-chi-bot]

Can merge label has been added.

Git tree hash: ffbc9a2

[ti-chi-bot]

@AstroProfundis: Your PR has out-of-dated and I have automatically updated it for you.

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