Fix worker node count logic

[rsevilla87]

Type of change

• [ ] Refactor
• [ ] New feature
• [x] Bug fix
• [x] Optimization
• [ ] Documentation Update

Description

The previous logic was counting nodes with the infra and worker labels (this happens in Classic ROSA clusters), as workers. With this patch, when the worker label is found, we ensure that the node does not contain any "workload" or "infra" label.

Related Tickets & Documents

• Related Issue #
• Closes #

Checklist before requesting a review

• [x] I have performed a self-review of my code.
• [ ] If it is a core feature, I have added thorough tests.

Testing

• Please describe the System Under Test.
• Please provide detailed steps to perform tests related to this code change.
• How were the fix/results from this change verified? Please provide relevant screenshots or results.

[codecov[bot]]

Codecov Report

Merging #25 (5e0d706) into main (ec9da22) will not change coverage. The diff coverage is n/a.

@@           Coverage Diff           @@
##             main      #25   +/-   ##
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  Coverage   85.13%   85.13%           
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  Files           6        6           
  Lines         343      343           
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  Hits          292      292           
  Misses         37       37           
  Partials       14       14