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Merge pull request #97470 from roycaihw/crd/optimize-create-event-handler

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crd create event: skip storage teardown if the crd info doesn't change
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Kubernetes Prow Robot 2021-01-13 10:18:49 -08:00 committed by GitHub
commit b476f7087c
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1 changed files with 10 additions and 0 deletions
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10
staging/src/k8s.io/apiextensions-apiserver/pkg/apiserver/customresource_handler.go
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@ -468,6 +468,16 @@ func (r *crdHandler) createCustomResourceDefinition(obj interface{}) {
r.customStorageLock.Lock() r.customStorageLock.Lock()
defer r.customStorageLock.Unlock() defer r.customStorageLock.Unlock()
// this could happen if the create event is merged from create-update events // this could happen if the create event is merged from create-update events
storageMap := r.customStorage.Load().(crdStorageMap)
oldInfo, found := storageMap[crd.UID]
if !found {
return
}
if apiequality.Semantic.DeepEqual(&crd.Spec, oldInfo.spec) && apiequality.Semantic.DeepEqual(&crd.Status.AcceptedNames, oldInfo.acceptedNames) {
klog.V(6).Infof("Ignoring customresourcedefinition %s create event because a storage with the same spec and accepted names exists",
crd.Name)
return
}
r.removeStorage_locked(crd.UID) r.removeStorage_locked(crd.UID)
} }