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Merge pull request #110069 from FillZpp/fix-statefulset-maxunavailable-less-than-one

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Fix maxUnavailable of StatefulSet should not less than 1
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Kubernetes Prow Robot 2022-05-20 16:50:12 -07:00 committed by GitHub
commit fbb5717279
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1 changed files with 5 additions and 1 deletions
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6
pkg/controller/statefulset/stateful_set_control.go
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@ -618,7 +618,11 @@ func updateStatefulSetAfterInvariantEstablished(
if err != nil { if err != nil {
return &status, err return &status, err
} }
// maxUnavailable might be zero for small percentage without round up.
// So we have to enforce it not to be less than 1.
if maxUnavailable < 1 {
maxUnavailable = 1
}
} }
// Collect all targets in the range between the 0 and Spec.Replicas. Count any targets in that range // Collect all targets in the range between the 0 and Spec.Replicas. Count any targets in that range