add prometheus for pub and deletion protection

[zmberg]

Ⅰ. Describe what this PR does

Ⅱ. Does this pull request fix one issue?

Ⅲ. Describe how to verify it

Ⅳ. Special notes for reviews

[codecov-commenter]

Codecov Report

Merging #1398 (d2a98b7) into master (a477df8) will decrease coverage by 0.01%.
The diff coverage is 72.72%.

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@@            Coverage Diff             @@
##           master    #1398      +/-   ##
==========================================
- Coverage   48.25%   48.24%   -0.01%     
==========================================
  Files         152      153       +1     
  Lines       21469    21492      +23     
==========================================
+ Hits        10359    10369      +10     
- Misses       9973     9984      +11     
- Partials     1137     1139       +2     

Flag	Coverage Δ
unittests	48.24% <72.72%> (-0.01%)	⬇️

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

Files Changed	Coverage Δ
pkg/controller/cloneset/sync/api.go	0.00% <ø> (ø)
pkg/controller/cloneset/sync/cloneset_update.go	57.72% <0.00%> (ø)
...neset/validating/cloneset_create_update_handler.go	0.00% <0.00%> (ø)
...ebhook/pod/validating/pod_create_update_handler.go	0.00% <ø> (ø)
...et/validating/statefulset_create_update_handler.go	0.00% <0.00%> (ø)
...lidating/uniteddeployment_create_update_handler.go	0.00% <0.00%> (ø)
pkg/control/pubcontrol/pub_control_utils.go	50.60% <60.00%> (-0.39%)	⬇️
pkg/control/pubcontrol/api.go	100.00% <100.00%> (ø)
pkg/control/pubcontrol/pub_control.go	27.02% <100.00%> (+2.02%)	⬆️
pkg/control/pubcontrol/pub_control_metrics.go	100.00% <100.00%> (ø)
... and 3 more

... and 2 files with indirect coverage changes

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[furykerry]

plz comment why delete this code

[furykerry]

/lgtm

[furykerry]

/approve

[kruise-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: furykerry

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