feat: Set NEW_RELIC_APP_NAME automatically from Pod Labels

[ramkrishankumarN]

Description

If the deployment yaml has the following params already

template:
   metadata:
     labels:
       app: busybox
       app.kubernetes.io/name: busybox

then, automatically, infer the NEW_RELIC_APP_NAME as busybox and populate those as to the app.kubernetes.io/name so, in this case NEW_RELIC_APP_NAME will be set to busybox

Type of change

• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• New feature / enhancement (non-breaking change which adds functionality)
• Security fix
• Bug fix (non-breaking change which fixes an issue)

Checklist:

• Documentation has been updated
• This change requires changes in testing:
  • unit tests
  • E2E tests

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 47.81%. Comparing base (64e82f2) to head (3db11ba).
Report is 7 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #83      +/-   ##
==========================================
+ Coverage   47.43%   47.81%   +0.37%     
==========================================
  Files          13       13              
  Lines         976      983       +7     
==========================================
+ Hits          463      470       +7     
  Misses        448      448              
  Partials       65       65              

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