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[cherry-pick: release-v0.43.x] ci(e2e): raise inotify limits for ubuntu-26.04 runners - #3397
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tekton-robot merged 1 commit intoOct 29, 2026
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The ubuntu-latest runner image rolled over to ubuntu-26.04, where /etc/sysctl.conf is no longer applied at boot (actions/runner-images#15108). This drops fs.inotify.max_user_instances from the image's intended 1280 to the kernel default of 128. inotify limits are not namespaced, so the 3-node kind cluster used by the e2e tests exhausts them and Tekton entrypoint pods fail with "failed to create fsnotify watcher: too many open files", making the pipelinerun/taskrun log assertions fail. Restore the intended limits on the runner host before creating the kind cluster. Assisted-by: Claude Opus 4.8 (via GitHub Copilot CLI) Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com> Signed-off-by: divyansh42 <diagrawa@redhat.com>
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This is a cherry-pick of #3393
Changes
The
ubuntu-latestrunner image rolled over to ubuntu-26.04, where/etc/sysctl.confis no longer applied at boot, droppingfs.inotify.max_user_instancesfrom the image's intended1280to the kerneldefault of
128(andmax_user_watchesfrom655360to64097). inotifylimits are not namespaced, so the 3-node kind cluster used by the e2e tests
exhausts them and Tekton entrypoint pods fail with
failed to create fsnotify watcher: too many open files, breaking the pipelinerun/taskrun log assertions(
TestPipelineRunLogE2E,TestClusterResolverPipelineRunLogE2E,TestPipelineInteractiveStartE2E).This adds a step that restores the intended inotify limits on the runner host
before the kind cluster is created.
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