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fixtodo:rsDeepCopy only when sizeNeedsUpdate or annotationsNeedUpdate

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This commit is contained in:
hangaoshuai
2018-04-02 09:27:11 +08:00
parent 20f7f37c49
commit 1fa06a6bd4
2 changed files with 21 additions and 6 deletions
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11
pkg/controller/deployment/sync.go
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@@ -402,18 +402,17 @@ func (dc *DeploymentController) scaleReplicaSetAndRecordEvent(rs *extensions.Rep
}
func (dc *DeploymentController) scaleReplicaSet(rs *extensions.ReplicaSet, newScale int32, deployment *extensions.Deployment, scalingOperation string) (bool, *extensions.ReplicaSet, error) {
rsCopy := rs.DeepCopy()
sizeNeedsUpdate := *(rsCopy.Spec.Replicas) != newScale
// TODO: Do not mutate the replica set here, instead simply compare the annotation and if they mismatch
// call SetReplicasAnnotations inside the following if clause. Then we can also move the deep-copy from
// above inside the if too.
annotationsNeedUpdate := deploymentutil.SetReplicasAnnotations(rsCopy, *(deployment.Spec.Replicas), *(deployment.Spec.Replicas)+deploymentutil.MaxSurge(*deployment))
sizeNeedsUpdate := *(rs.Spec.Replicas) != newScale
annotationsNeedUpdate := deploymentutil.ReplicasAnnotationsNeedUpdate(rs, *(deployment.Spec.Replicas), *(deployment.Spec.Replicas)+deploymentutil.MaxSurge(*deployment))
scaled := false
var err error
if sizeNeedsUpdate || annotationsNeedUpdate {
rsCopy := rs.DeepCopy()
*(rsCopy.Spec.Replicas) = newScale
deploymentutil.SetReplicasAnnotations(rsCopy, *(deployment.Spec.Replicas), *(deployment.Spec.Replicas)+deploymentutil.MaxSurge(*deployment))
rs, err = dc.client.ExtensionsV1beta1().ReplicaSets(rsCopy.Namespace).Update(rsCopy)
if err == nil && sizeNeedsUpdate {
scaled = true