feat: cannot delete a cluster with existing instances

[gaius-qi]

Signed-off-by: Gaius [email protected]

Description

• Cannot delete a cluster with existing instances.

Related Issue

Motivation and Context

Screenshots (if appropriate)

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)
• Documentation Update (if none of the other choices apply)

Checklist

• Code compiles correctly.
• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have read the CONTRIBUTING document.
• I have added tests to cover my changes.
• All new and existing tests passed.

[codecov-commenter]

Codecov Report

Merging #1213 (cecc917) into main (f613a8a) will decrease coverage by 0.16%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##             main    #1213      +/-   ##
==========================================
- Coverage   46.60%   46.44%   -0.17%     
==========================================
  Files         133      133              
  Lines       10556    10556              
==========================================
- Hits         4920     4903      -17     
- Misses       5082     5098      +16     
- Partials      554      555       +1     

Flag	Coverage Δ
Object-compatibility-e2etests	?
e2etests	?
unittests	46.44% <ø> (-0.17%)	⬇️

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

Impacted Files	Coverage Δ
...ent/daemon/peer/peertask_piecetask_synchronizer.go	46.95% <0.00%> (-9.76%)	⬇️
client/daemon/peer/piece_broker.go	89.74% <0.00%> (-2.57%)	⬇️

[KubeStacker]

LGTM