github/kubernetes
1
0
Fork 0
mirror of https://github.com/k3s-io/kubernetes.git synced 2025-07-25 12:43:23 +00:00
Code Issues Projects Releases Wiki Activity

Fix a data race condition in federation namespace controller

Browse Source
This commit is contained in:
nikhiljindal 2016-11-07 09:37:19 -08:00
parent 7f74d48586
commit 647b826d69
2 changed files with 12 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
federation/pkg/federation-controller/namespace/BUILD
View File

@ -27,6 +27,7 @@ go_library(
"//pkg/client/clientset_generated/release_1_5:go_default_library",
"//pkg/client/record:go_default_library",
"//pkg/controller:go_default_library",
"//pkg/conversion:go_default_library",
"//pkg/runtime:go_default_library",
"//pkg/util/flowcontrol:go_default_library",
"//pkg/watch:go_default_library",

13
federation/pkg/federation-controller/namespace/namespace_controller.go
View File

@ -32,6 +32,7 @@ import (
kubeclientset "k8s.io/kubernetes/pkg/client/clientset_generated/release_1_5"
"k8s.io/kubernetes/pkg/client/record"
"k8s.io/kubernetes/pkg/controller"
"k8s.io/kubernetes/pkg/conversion"
"k8s.io/kubernetes/pkg/runtime"
"k8s.io/kubernetes/pkg/util/flowcontrol"
"k8s.io/kubernetes/pkg/watch"
@ -328,7 +329,7 @@ func (nc *NamespaceController) reconcileNamespace(namespace string) {
return
}
baseNamespaceObj, exist, err := nc.namespaceInformerStore.GetByKey(namespace)
namespaceObjFromStore, exist, err := nc.namespaceInformerStore.GetByKey(namespace)
if err != nil {
glog.Errorf("Failed to query main namespace store for %v: %v", namespace, err)
nc.deliverNamespace(namespace, 0, true)
@ -339,7 +340,15 @@ func (nc *NamespaceController) reconcileNamespace(namespace string) {
// Not federated namespace, ignoring.
return
}
baseNamespace := baseNamespaceObj.(*api_v1.Namespace)
// Create a copy before modifying the namespace to prevent race condition with
// other readers of namespace from store.
namespaceObj, err := conversion.NewCloner().DeepCopy(namespaceObjFromStore)
baseNamespace, ok := namespaceObj.(*api_v1.Namespace)
if err != nil || !ok {
glog.Errorf("Error in retrieving obj from store: %v, %v", ok, err)
nc.deliverNamespace(namespace, 0, true)
return
}
if baseNamespace.DeletionTimestamp != nil {
if err := nc.delete(baseNamespace); err != nil {
glog.Errorf("Failed to delete %s: %v", namespace, err)