Add go-crond service and use to manage letsencrypt auto renew cron

What does this MR do?

  • Adds go-crond to the build
  • Adds a crond cookbook with a crond_job LWRP to specify jobs
  • Extends the letsencrypt cookbook to use crond and crond_job resource to trigger the cronned renewal checks
  • Adds documentation on how to use/disable the feature


See Definition of done.

  • Change added to Not applicable for Documentation changes and minor changes.
  • Documentation created/updated
  • Tests added
  • Integration tests added to GitLab QA, if applicable
  • MR targeting master branch
  • MR has a green pipeline on

Reviewer Checklist

In addition to above, reviewer must:

  • Pipeline is green on if the change is not touching documentation or internal cookbooks


Closes #3251 (closed)

Edited by Richard Clamp

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