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Fix TopologySpread bug that evicts non-evictable pods #484

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merged 1 commit into from
Jan 13, 2021

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@damemi damemi commented Jan 12, 2021

TopologySpreadConstraint does not properly check if a pod is evictable before calling EvictPod (due to the fact that it does not rely on ListPodsOnNode, which takes IsEvictable as a parameter and does the check there for most of the other strategies).

This breaks the check out explicitly. It could also be refactored to do this check in balanceDomains, when building the list of evictable pods.

@k8s-ci-robot k8s-ci-robot added the cncf-cla: yes Indicates the PR's author has signed the CNCF CLA. label Jan 12, 2021
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/cc @ingvagabund
ptal

@k8s-ci-robot k8s-ci-robot added the size/M Denotes a PR that changes 30-99 lines, ignoring generated files. label Jan 12, 2021
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[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: damemi

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@k8s-ci-robot k8s-ci-robot added approved Indicates a PR has been approved by an approver from all required OWNERS files. kind/bug Categorizes issue or PR as related to a bug. priority/important-soon Must be staffed and worked on either currently, or very soon, ideally in time for the next release. labels Jan 12, 2021
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damemi commented Jan 12, 2021

/priority critical-urgent

@k8s-ci-robot k8s-ci-robot added the priority/critical-urgent Highest priority. Must be actively worked on as someone's top priority right now. label Jan 12, 2021
@damemi damemi removed the priority/important-soon Must be staffed and worked on either currently, or very soon, ideally in time for the next release. label Jan 12, 2021
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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 Jan 13, 2021
@k8s-ci-robot k8s-ci-robot merged commit d502f05 into kubernetes-sigs:master Jan 13, 2021
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LGTM

briend pushed a commit to briend/descheduler that referenced this pull request Feb 11, 2022
Fix TopologySpread bug that evicts non-evictable pods
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4 participants