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Allow to configure the global topologicalKey for podAntiAffinity

Guillaume MARTINEZ requested to merge Lunik/gitlab-chart:configurable-antiaffinity-topologicalkey into master

What does this MR do?

To resolve high availability requirements in case of zone or region disaster, the user should be able to define a custom topologyKey on podAntiAffinity configuration based on his level BPC.

This MR add a new parameter to the global values : global.antiAffinityTopologyKey that allow to overwrite all topologyKey in the pod affinity section if the sub chart support it.

In addition, this MR enable support for podAntiAffinity on kas and gitlab-pages sub charts

Related issues

Checklist

See Definition of done.

For anything in this list which will not be completed, please provide a reason in the MR discussion.

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

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
Edited by Hossein Pursultani

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