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Validate Karpenter Disruption taints as part of preStop node evaluation #1969

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alexandermarston
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Is this a bug fix or adding new feature?

Bug Fix

What is this PR about? / Why do we need it?

Fix for #1955

Karpenter introduced a breaking change in kubernetes-sigs/karpenter#508 which means it now uses the karpenter.sh/disrupting taint instead of the node.kubernetes.io/unschedulable taint when deprovisioning nodes, which means the preStop code will not run.

This PR adds another check for the new Karpenter taint, instead of only looking for node.kubernetes.io/unschedulable.

What testing is done?

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linux-foundation-easycla bot commented Mar 15, 2024

CLA Signed

The committers listed above are authorized under a signed CLA.

@k8s-ci-robot k8s-ci-robot added the cncf-cla: no Indicates the PR's author has not signed the CNCF CLA. label Mar 15, 2024
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Welcome @alexandermarston!

It looks like this is your first PR to kubernetes-sigs/aws-ebs-csi-driver 🎉. Please refer to our pull request process documentation to help your PR have a smooth ride to approval.

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@k8s-ci-robot k8s-ci-robot added the needs-ok-to-test Indicates a PR that requires an org member to verify it is safe to test. label Mar 15, 2024
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Hi @alexandermarston. 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 size/L Denotes a PR that changes 100-499 lines, ignoring generated files. cncf-cla: yes Indicates the PR's author has signed the CNCF CLA. and removed cncf-cla: no Indicates the PR's author has not signed the CNCF CLA. labels Mar 15, 2024
@AndrewSirenko
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Thank you for this @alexandermarston /ok-to-test

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/test

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@alexandermarston: Cannot trigger testing until a trusted user reviews the PR and leaves an /ok-to-test message.

In response to this:

/test

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/ok-to-test

@k8s-ci-robot k8s-ci-robot added ok-to-test Indicates a non-member PR verified by an org member that is safe to test. and removed needs-ok-to-test Indicates a PR that requires an org member to verify it is safe to test. labels Mar 15, 2024
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/lgtm

@k8s-ci-robot k8s-ci-robot added the lgtm "Looks good to me", indicates that a PR is ready to be merged. label Mar 15, 2024
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Code Coverage Diff

File Old Coverage New Coverage Delta
github.com/kubernetes-sigs/aws-ebs-csi-driver/cmd/hooks/prestop.go 82.4% 81.1% -1.2

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@AndrewSirenko AndrewSirenko left a comment

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Looks great to me, thank you for the fix and extra unit tests.

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@torredil torredil left a comment

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Thank you! @alexandermarston
/lgtm
/approve

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[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: torredil

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@k8s-ci-robot k8s-ci-robot added the approved Indicates a PR has been approved by an approver from all required OWNERS files. label Mar 15, 2024
@k8s-ci-robot k8s-ci-robot merged commit d59bb70 into kubernetes-sigs:master Mar 15, 2024
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5 participants