[Merged by Bors] - feat: Support podOverrides

[sbernauer]

Description

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1. Changes are OpenShift compatible
2. CRD changes approved
3. Helm chart can be installed and deployed operator works
4. Integration tests passed (for non trivial changes)

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1. Code contains useful comments
2. (Integration-)Test cases added
3. Documentation added or updated
4. Changelog updated
5. Cargo.toml only contains references to git tags (not specific commits or branches)

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Once the review is done, comment bors r+ (or bors merge) to merge. Further information

[razvan]

code looks good.
some docs and a test run are missing

[sbernauer]

For the docs we have https://docs.stackable.tech/home/nightly/concepts/overrides.html#_pod_overrides, is that sufficient for you?

[razvan]

It's sufficient for me. I thought we want to link it from the operator docs

[sbernauer]

Happy to do so, any recommendation from where exactly we want to link? Goes along with the questions of how hard we want to try to avoid users using podOverrides ^^

[sbernauer]

Started https://ci.stackable.tech/view/02%20Operator%20Tests%20(custom)/job/hdfs-operator-it-custom/92/

[sbernauer]

bors r+
Added a test, which passed locally

[bors]

Pull request successfully merged into main.

Build succeeded!

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• All tests passed