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Merge pull request #80230 from tedyu/rolling-sel

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Skip unnecessary copy of Selector
This commit is contained in:
Kubernetes Prow Robot 2019-07-18 07:08:25 -07:00 committed by GitHub
commit c1ebabed42
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1 changed files with 1 additions and 6 deletions
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7
pkg/kubectl/rolling_updater.go
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@ -739,11 +739,6 @@ func AddDeploymentKeyToReplicationController(oldRc *corev1.ReplicationController
if oldRc.Spec.Selector == nil {
oldRc.Spec.Selector = map[string]string{}
}
// Copy the old selector, so that we can scrub out any orphaned pods
selectorCopy := map[string]string{}
for k, v := range oldRc.Spec.Selector {
selectorCopy[k] = v
}
applyUpdate = func(rc *corev1.ReplicationController) {
rc.Spec.Selector[deploymentKey] = deploymentValue
}
@ -755,7 +750,7 @@ func AddDeploymentKeyToReplicationController(oldRc *corev1.ReplicationController
// Clean up any orphaned pods that don't have the new label, this can happen if the rc manager
// doesn't see the update to its pod template and creates a new pod with the old labels after
// we've finished re-adopting existing pods to the rc.
selector = labels.SelectorFromSet(selectorCopy)
selector = labels.SelectorFromSet(oldRc.Spec.Selector)
options = metav1.ListOptions{LabelSelector: selector.String()}
if podList, err = podClient.Pods(namespace).List(options); err != nil {
return nil, err