Use multi-database configuration pattern
What does this MR do?
Adds the multi-database pattern to the Chart templates without allowing configuration of multiple databases.
It is the first step toward enabling the sharding work.
Related issues
Relates to #2808 (closed)
Should not merge until gitlab-org/build/CNG!719 (merged) is merged or pipelines will fail.
Checklist
See Definition of done.
For anything in this list which will not be completed, please provide a reason in the MR discussion.
Required
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Merge Request Title and Description are up to date, accurate, and descriptive -
MR targeting the appropriate branch -
MR has a green pipeline on GitLab.com
Expected (please provide an explanation if not completing)
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Test plan indicating conditions for success has been posted and passes -
Documentation created/updated -
Tests added -
Integration tests added to GitLab QA -
Equivalent MR/issue for omnibus-gitlab opened
Closes #2840 (closed)
Edited by Robert Marshall