Add debug messages to CSI identity services handlers (main branch)

[aorcholski]

JIRA

PR for release-1.4

Description

Adds debug messages to the CSI Server handlers

• GetPluginCapabilities
• GetPluginInfo
• Probe

How can this be tested?

Add LOG_LEVEL=debug environment variable to the CSI Server container and check logs.

[codecov-commenter]

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Codecov Report

Attention: Patch coverage is 0% with 2 lines in your changes missing coverage. Please review.

Project coverage is 64.29%. Comparing base (8cccb6a) to head (40d07b4).

Files with missing lines	Patch %	Lines
pkg/controllers/csi/driver/server.go	0.00%	2 Missing ⚠️

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Additional details and impacted files

@@            Coverage Diff             @@
##             main    #4355      +/-   ##
==========================================
- Coverage   64.29%   64.29%   -0.01%     
==========================================
  Files         402      402              
  Lines       26481    26483       +2     
==========================================
  Hits        17027    17027              
- Misses       8145     8147       +2     
  Partials     1309     1309              

Flag	Coverage Δ
unittests	64.29% <0.00%> (-0.01%)	⬇️

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[waodim]

There was a comment left unanswered in the other PR which also sparks my interest tbh:

#4353 (review)

Could someone answer that?

[aorcholski]

Probe request is sent every few seconds and is not rejected by Server rate limiter so we will see confirmation
the Server process is running in a given period of time.

[andriisoldatenko]

It would be great to have this explanation inside the comment before the debug log. It will simplify future maintenance IMO.