Fix the issue that dm grafana doen't has home.json

[lucklove]

Introduced by #982

Close #1055

[codecov-io]

Codecov Report

Merging #1056 (c4b9899) into master (b9c6bae) will decrease coverage by 3.74%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master    #1056      +/-   ##
==========================================
- Coverage   55.49%   51.74%   -3.75%     
==========================================
  Files         282      282              
  Lines       19868    19868              
==========================================
- Hits        11025    10280     -745     
- Misses       7121     7960     +839     
+ Partials     1722     1628      -94     

Flag	Coverage Δ
cluster	38.30% <50.00%> (-5.10%)	⬇️
dm	23.94% <100.00%> (ø)
integrate	45.98% <100.00%> (-3.76%)	⬇️
playground	20.31% <ø> (ø)
tiup	16.48% <0.00%> (ø)
unittest	22.28% <0.00%> (-0.01%)	⬇️

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

Impacted Files	Coverage Δ
pkg/cluster/spec/grafana.go	68.00% <100.00%> (ø)
components/cluster/command/check.go	6.73% <0.00%> (-72.76%)	⬇️
pkg/cluster/task/limits.go	0.00% <0.00%> (-68.75%)	⬇️
pkg/cluster/task/sysctl.go	0.00% <0.00%> (-66.67%)	⬇️
pkg/cluster/task/copy_file.go	0.00% <0.00%> (-54.55%)	⬇️
components/cluster/command/audit.go	27.27% <0.00%> (-54.55%)	⬇️
pkg/cluster/operation/check.go	0.00% <0.00%> (-53.07%)	⬇️
pkg/cluster/manager/patch.go	0.00% <0.00%> (-51.81%)	⬇️
pkg/cluster/task/rmdir.go	0.00% <0.00%> (-50.00%)	⬇️
pkg/cluster/manager/cleanup.go	0.00% <0.00%> (-49.19%)	⬇️
... and 38 more

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[9547]

/lgtm

[AstroProfundis]

/merge

[ti-chi-bot]

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

Commit hash: 714f33c

[ti-chi-bot]

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

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