K8s metadata

[rsevilla87]

Type of change

• Refactor
• New feature
• Bug fix
• Optimization
• Documentation Update

Description

Some updates required to make this library compatible with vanilla k8s

• Adding new GetK8SMetadata() function to get only an small subset of metadata
• Omitting empty metadata fields
• Count control-plane nodes as masters

Related Tickets & Documents

• Related Issue #
• Closes #

Checklist before requesting a review

• 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.

[github-actions]

Code coverage: 86.8%%

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (dc2da49) 83.33% compared to head (d9a5afb) 83.33%.

Additional details and impacted files

@@           Coverage Diff           @@
##             main      #37   +/-   ##
=======================================
  Coverage   83.33%   83.33%           
=======================================
  Files           6        6           
  Lines         312      312           
=======================================
  Hits          260      260           
  Misses         38       38           
  Partials       14       14           

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