elastisys / elastisys/helm-hotpatch

Add a listMergeStrategy option

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Dominant language
Go
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No merged PRs in 30d

Description

Currently, the helm-hotpatcher does not handle merging lists together, instead the target list simply gets replaced with what you are trying to patch, see example here: https://github.com/elastisys/welkin-apps/pull/517#issuecomment-4555087513

We should have the option to also merge lists, either by default or through some config flag or similar.

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First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by locating the helm-hotpatcher logic that replaces target lists and compare its current behavior with the linked welkin-apps example. Decide how list merging should interact with the proposed listMergeStrategy option; done means the behavior is defined and list patches merge as intended rather than always replacing the target list.

Written by the indexing model from the issue text.

Assessment

Tech stack
go, helm
Domain
devops
Issue type
Feature
Difficulty
5/5
Estimated time
Over a week
Activity status
Quiet
Clarity
Needs clarification
Newbie friendliness
38/100

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