CKS: Fix issue with scaling down CKS Nodes when deployed in HA mode

[Pearl1594]

Description

This PR fixes: #12229
Fixes issue when scaling down k8s clusters deployed in HA mode - indexing issue encountered.

Types of changes

• Breaking change (fix or feature that would cause existing functionality to change)
• New feature (non-breaking change which adds functionality)
• Bug fix (non-breaking change which fixes an issue)
• Enhancement (improves an existing feature and functionality)
• Cleanup (Code refactoring and cleanup, that may add test cases)
• Build/CI
• Test (unit or integration test code)

Feature/Enhancement Scale or Bug Severity

Feature/Enhancement Scale

Bug Severity

• BLOCKER
• Critical
• Major
• Minor
• Trivial

Screenshots (if appropriate):

How Has This Been Tested?

How did you try to break this feature and the system with this change?

[codecov]

Codecov Report

❌ Patch coverage is 62.50000% with 6 lines in your changes missing coverage. Please review.
✅ Project coverage is 17.59%. Comparing base (8936e4c) to head (dd07d7d).

Files with missing lines	Patch %	Lines
...er/actionworkers/KubernetesClusterScaleWorker.java	62.50%	4 Missing and 2 partials ⚠️

Additional details and impacted files

@@            Coverage Diff            @@
##               4.22   #12302   +/-   ##
=========================================
  Coverage     17.58%   17.59%           
- Complexity    15580    15584    +4     
=========================================
  Files          5910     5910           
  Lines        529439   529450   +11     
  Branches      64691    64694    +3     
=========================================
+ Hits          93093    93134   +41     
+ Misses       425861   425827   -34     
- Partials      10485    10489    +4     

Flag	Coverage Δ
uitests	3.57% <ø> (ø)
unittests	18.66% <62.50%> (+<0.01%)	⬆️

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[weizhouapache]

code lgtm

@Pearl1594
can this be extracted to a method and add some unit tests for it ?

[weizhouapache]

thanks @Pearl1594 for the update

[sonarqubecloud]

Quality Gate passed

Issues
5 New issues
0 Accepted issues

Measures
0 Security Hotspots
46.2% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[Pearl1594]

@blueorangutan package

[blueorangutan]

@Pearl1594 a [SL] Jenkins job has been kicked to build packages. It will be bundled with KVM, XenServer and VMware SystemVM templates. I'll keep you posted as I make progress.

[blueorangutan]

Packaging result [SF]: ✖️ el8 ✖️ el9 ✔️ debian ✖️ suse15. SL-JID 16111

[blueorangutan]

Packaging result [SF]: ✔️ el8 ✔️ el9 ✔️ el10 ✔️ debian ✔️ suse15. SL-JID 16116