fixing correctness defects

[Akshay2191]

No description provided.

[codecov]

Codecov Report

❌ Patch coverage is 88.23529% with 2 lines in your changes missing coverage. Please review.
✅ Project coverage is 85.08%. Comparing base (fc7dd7f) to head (02d7998).

Files with missing lines	Patch %	Lines
pkg/tls/self_signed_cert.go	66.66%	1 Missing and 1 partial ⚠️

Additional details and impacted files

@@                Coverage Diff                 @@
##           v3-refactoring    #1778      +/-   ##
==================================================
+ Coverage           84.78%   85.08%   +0.30%     
==================================================
  Files                 105      105              
  Lines               13656    13660       +4     
==================================================
+ Hits                11578    11623      +45     
+ Misses               1557     1513      -44     
- Partials              521      524       +3     

Files with missing lines	Coverage Δ
internal/backoff/backoff.go	100.00% <ø> (ø)
internal/model/config.go	90.90% <100.00%> (+0.43%)	⬆️
internal/nginx/nginx_plus_actions.go	97.60% <100.00%> (ø)
...ernal/watcher/instance/instance_watcher_service.go	80.95% <100.00%> (+10.88%)	⬆️
internal/watcher/instance/nginx_process_parser.go	91.17% <100.00%> (+0.13%)	⬆️
pkg/tls/self_signed_cert.go	75.00% <66.66%> (-0.48%)	⬇️

... and 4 files with indirect coverage changes

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