fix: Fix custom alerting issues
Created by: leoendless
Signed-off-by: leoliu leoliu@yunify.com
What type of PR is this?
/kind bug
What this PR does / why we need it:
Which issue(s) this PR fixes:
Fixes #1512 (closed) #1510 (closed) #1509 (closed) #1508 (closed) #1507 (closed) #1505 (closed)
Special notes for reviewers:
Additional documentation, usage docs, etc.: