feat(operator): accept LogLevels for all controllers

[sudiptob2]

Fixes #724

Checklist

• Define log levels in the values.yaml
• Update overlay with the loglevel values
• Adapt code to use the loglevel values from the env

[codecov]

Codecov Report

Merging #790 (1c41080) into main (2fa1a02) will increase coverage by 0.01%.
The diff coverage is n/a.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #790      +/-   ##
==========================================
+ Coverage   58.59%   58.60%   +0.01%     
==========================================
  Files          97       97              
  Lines        7552     7552              
==========================================
+ Hits         4425     4426       +1     
+ Misses       2936     2935       -1     
  Partials      191      191              

Impacted Files	Coverage Δ
...ptnworkloadinstance/reconcile_prepostevaluation.go	81.81% <0.00%> (-9.10%)	⬇️
...ator/controllers/lifecycle/keptntask/controller.go	54.94% <0.00%> (-3.30%)	⬇️
...lers/lifecycle/keptnworkloadinstance/controller.go	82.95% <0.00%> (+1.79%)	⬆️
...ptnworkloadinstance/reconcile_prepostdeployment.go	90.90% <0.00%> (+9.09%)	⬆️

Flag	Coverage Δ
component-tests	42.06% <ø> (+0.40%)	⬆️
keptn-lifecycle-operator	54.67% <ø> (ø)
klt-cert-manager	67.50% <ø> (ø)
scheduler	21.17% <ø> (ø)

Flags with carried forward coverage won't be shown. Click here to find out more.

[sudiptob2]

@RealAnna
I am trying to understand the logger setup in KLT. Zapr logger is set up here as follows

	opts := zap.Options{
		Development: true,
	}
	opts.BindFlags(flag.CommandLine)

At this time we can define the log level as

	opts := zap.Options{
		Development: true,
                Level: env.SomeControllerLogLevel
	}

But definitely, we want to configure the different log levels for different controllers. In this case what I think we can do is, patch the log level after the definition of each Reconciler. For example, we can add the following here.

taskReconciler.Log.V(env.SomeControllerLogLevel)

However, I am unsure about the syntax, because zapr takes negative values, but the expected value in Reconciler.Log.V() is positive.

I would appreciate it tremendously if you could guide me in this case.

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[thisthat]

Awesome work 👍 Thanks @sudiptob2

[sonarcloud]

Kudos, SonarCloud Quality Gate passed!   

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