DVO-114: Add watcher prototype to handle configuration changes

[ncaak]

summary

• Added a new ConfigMapWatcher that will provide with configuration and updates
• Added basic logic to use with current Validation engine

[openshift-ci-robot]

@ncaak: This pull request references DVO-114 which is a valid jira issue.

In response to this:

summary

• Added a new ConfigMapWatcher that will provide with configuration and updates
• Added basic logic to use with current Validation engine

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[openshift-ci]

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This pull-request has been approved by: ncaak

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[ncaak]

/test lint

[codecov-commenter]

Codecov Report

Merging #251 (c09a314) into master (9a87b22) will decrease coverage by 1.00%.
The diff coverage is 13.33%.

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@@            Coverage Diff             @@
##           master     #251      +/-   ##
==========================================
- Coverage   44.39%   43.40%   -1.00%     
==========================================
  Files          22       23       +1     
  Lines         910      940      +30     
==========================================
+ Hits          404      408       +4     
- Misses        472      497      +25     
- Partials       34       35       +1     

Impacted Files	Coverage Δ
pkg/controller/configmap_watcher.go	13.33% <13.33%> (ø)

[tremes]

I think I like the approach in 34af45a a little bit more, because it allows to define the informer only for the particular namespace.

[ncaak]

I think I like the approach in 34af45a a little bit more, because it allows to define the informer only for the particular namespace.

Ok, I'll rework it using factory pattern. Maybe that way also we can add more unit tests.

[ncaak]

/hold

[tremes]

OK so let's merge this and we can continue to build upon it. Thanks.
/lgtm