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Fix maxUnavailable of StatefulSet should not less than 1

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Signed-off-by: FillZpp <FillZpp.pub@gmail.com>
This commit is contained in:
FillZpp 2022-05-16 16:58:19 +08:00
parent 9d85e18ec0
commit 85e3194cf6
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 {
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