Discover cluster capabilities and use them in chart

What does this MR do?

Discover cluster capabilities and use them in chart

Utilites for discovering Kubernetes cluster capabilities are added. These capabilities are passed down to Helm SDK and make it possible to use .Capabilities in rendering templates from GitLab Chart.

Checklist

See Definition of done.

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Required

• 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
• When ready for review, MR is labeled "~workflow::ready for review" per the Distribution MR workflow

Expected (please provide an explanation if not completing)

• 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
• Validate potential values for new configuration settings. Formats such as integer 10, duration 10s, URI scheme://user:passwd@host:port may require quotation or other special handling when rendered in a template and written to a configuration file.

Related issues

Works around #1308 (closed) and possibly closes #1293 (closed) and #1304 (closed).

added bugfunctional devopssystems groupdistribution group::distributiondeploy priority1 sectioncore platform typebug labels

assigned to @pursultani

marked the checklist item Merge Request Title and Description are up to date, accurate, and descriptive as completed

marked the checklist item MR targeting the appropriate branch as completed

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• 7daf0b8e - Discover cluster capabilities and use them in chart

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marked the checklist item MR has a green pipeline on GitLab.com as completed

marked the checklist item When ready for review, MR is labeled "~workflow::ready for review" per the Distribution MR workflow as completed

added workflowready for review label

mentioned in issue #1304 (closed)

If this works, we need to cherry-pick it into 0-21-stable as well. The problem is that we have already tagged 0.21.2.

marked the checklist item Test plan indicating conditions for success has been posted and passes as completed

approved this merge request

changed milestone to %16.2

added workflowin review label and removed workflowready for review label

requested review from @WarheadsSE

merged

mentioned in commit 3a036e8d

picked the changes into the branch cherry-pick-3a036e8d with commit 2efa83f4

mentioned in commit 2efa83f4

mentioned in merge request !646 (merged)

mentioned in issue #1308 (closed)

mentioned in issue #1307 (closed)

mentioned in merge request !643 (closed)

mentioned in issue #1048 (closed)

mentioned in merge request !661 (merged)