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Increase probe-timeout to avoid CrashloopBackoff #2997

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@sathieu sathieu commented Aug 21, 2024

Also ensure probe-timeout of the liveness-probe container is shorter than livenessProbe of the vsphere-csi-node container (5s)

What this PR does / why we need it:

Without this, if the socket probe takes too long, another livenessProbe check is started while the previous is not finished. Liveness probe requests pile up until the container liveness-probe failed in CrashLoopBackoff

Which issue this PR fixes (optional, in fixes #<issue number>(, fixes #<issue_number>, ...) format, will close that issue when PR gets merged): fixes #

Testing done:

Yes (deployed since a few months)

Special notes for your reviewer:

Release note:

Increase probe-timeout to avoid CrashloopBackoff

Also ensure probe-timeout of the liveness-probe container is
shorter than livenessProbe of the vsphere-csi-node container (5s)

Co-Authored-By: Maurice Grivel <[email protected]>
Co-Authored-By: Mathieu Parent <[email protected]>
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[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: sathieu
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@k8s-ci-robot k8s-ci-robot added the cncf-cla: yes Indicates the PR's author has signed the CNCF CLA. label Aug 21, 2024
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Welcome @sathieu!

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Hi @sathieu. Thanks for your PR.

I'm waiting for a kubernetes-sigs member to verify that this patch is reasonable to test. If it is, they should reply with /ok-to-test on its own line. Until that is done, I will not automatically test new commits in this PR, but the usual testing commands by org members will still work. Regular contributors should join the org to skip this step.

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@k8s-ci-robot k8s-ci-robot added needs-ok-to-test Indicates a PR that requires an org member to verify it is safe to test. size/XS Denotes a PR that changes 0-9 lines, ignoring generated files. labels Aug 21, 2024
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sathieu commented Aug 21, 2024

Answering @divyenpatel questions at #2931 (review)

@jacen57 do you think this needs to updated in the documentation here - https://github.com/kubernetes-csi/livenessprobe?tab=readme-ov-file#command-line-options

Probably. A lot of drivers override this timeout to at least 3s. See here and here. azure-lustre up to 120s!

Can you update this for other liveness-probe container in the same file? https://github.com/kubernetes-sigs/vsphere-csi-driver/blob/ed4a34ac281bc907825f73466eab5a38a4374c6b/manifests/vanilla/vsphere-csi-driver.yaml#L532C17-L533

Done.

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sathieu commented Aug 21, 2024

I created kubernetes-csi/livenessprobe#293 to discuss changing the default:

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