DPE-7649 Replace event.set_results(success=False) with event.fail() in action get-cluster-status (take 2)

[astrojuanlu]

Issue

Fix #649

Builds on #663

Solution

Checklist

• I have added or updated any relevant documentation.
• I have cleaned any remaining cloud resources from my accounts.

[codecov]

Codecov Report

❌ Patch coverage is 75.00000% with 3 lines in your changes missing coverage. Please review.
✅ Project coverage is 63.93%. Comparing base (e7c1809) to head (8fe3efb).
⚠️ Report is 203 commits behind head on main.

Files with missing lines	Patch %	Lines
lib/charms/mysql/v0/mysql.py	75.00%	2 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #699      +/-   ##
==========================================
- Coverage   66.25%   63.93%   -2.33%     
==========================================
  Files          17       20       +3     
  Lines        3180     4725    +1545     
  Branches      424      773     +349     
==========================================
+ Hits         2107     3021     +914     
- Misses        935     1455     +520     
- Partials      138      249     +111     

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[astrojuanlu]

Made a small change on top of @arjun11-malik 's original PR. I'd like to request a first round of feedback.

[carlcsaposs-canonical]

test failures appear to be from missing secrets since PR is from fork

@paulomach are you able to add @astrojuanlu to https://github.com/orgs/canonical/teams/data-mysql to give write access to push to a branch on this repo?

[paulomach]

test failures appear to be from missing secrets since PR is from fork

@paulomach are you able to add @astrojuanlu to https://github.com/orgs/canonical/teams/data-mysql to give write access to push to a branch on this repo?

Indeed. I can't but I know a guy

[paulomach]

Nice. I asked for inclusion in the gh team

[astrojuanlu]

Pushed to a repo branch, I have to close this PR and request your approval again in #700. Thank you!