chore: support continuous backup and restore

[wangyelei]

No description provided.

[codecov-commenter]

Codecov Report

Attention: 8 lines in your changes are missing coverage. Please review.

Comparison is base (9f2beee) 43.07% compared to head (d30f4e4) 43.07%.
Report is 2 commits behind head on main.

Files	Patch %	Lines
pkg/cmd/cluster/dataprotection.go	20.00%	5 Missing and 3 partials ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##             main      #52   +/-   ##
=======================================
  Coverage   43.07%   43.07%           
=======================================
  Files         221      221           
  Lines       28070    28080   +10     
=======================================
+ Hits        12090    12095    +5     
- Misses      14494    14497    +3     
- Partials     1486     1488    +2     

Flag	Coverage Δ
unittests	43.07% <33.33%> (+<0.01%)	⬆️

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