kubevirt
Avoid running functional tests for PRs whenever it makes sense
Currently in Kubevirt, every PR needs to run and pass the complete test suite in order to merge.
However, for some PRs (e.g. non-code PRs) there's no value in running any functional tests at all, therefore CI resources are being wasted with no value whatsoever. As an example, a PR making someone an approver [1], which only requires changing a text file, should be tested. This leads to a waste of costly CI resources and should be avoided, which becomes even worse when tests are flakie and need to be re-tested for multiple times.
One possible approach to solving this is to trigger CI only if files under certain paths are being changed.
An even better situation would be to avoid running CI on more sophisticated scenarios, like changing a variable name, comments, file names, and other non-logical code refactoring.
[1] https://github.com/kubevirt/kubevirt/pull/9900
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@dhiller: Reopened this issue.
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Short update: we are still investigating how to tackle this. @oshoval contributed the phased plugin recently, which enables us holding back on testing until the PR has reached merge queue state. We are still investigating how to find a proper solution wrt run_if_changed/skip_if_only_changed, since it currently interferes with how the phased plugin works. Instead, a pragmatic solution has been merged, aborting functests directly if only certain files have been changed.
Short update: we are still investigating how to tackle this. @oshoval contributed the phased plugin recently, which enables us holding back on testing until the PR has reached merge queue state. We are still investigating how to find a proper solution wrt
run_if_changed/skip_if_only_changed, since it currently interferes with how the phased plugin works. Instead, a pragmatic solution has been merged, aborting functests directly if only certain files have been changed.
Great news! Thanks for the update and for pushing this subject forward!
Can we abort functests for files with certain suffixes? e.g. .md, .txt, etc?