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Delete cluster client for a Cluster deletion

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When federation controller manager checks cluster status, it will
delete the offline cluster from clusterSet, but do not delete the
corresponding restclient from the map clusterKubeClientMap for
the offline cluster. This patch can fix it.
This commit is contained in:
FengyunPan 2017-03-14 14:51:28 +08:00
parent 5e29e1ee05
commit d5798fac5c
1 changed files with 23 additions and 10 deletions
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33
federation/pkg/federation-controller/cluster/clustercontroller.go
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@ -85,14 +85,22 @@ func NewclusterController(federationClient federationclientset.Interface, cluste
// delete the corresponding restclient from the map clusterKubeClientMap
func (cc *ClusterController) delFromClusterSet(obj interface{}) {
cluster := obj.(*federationv1beta1.Cluster)
cc.knownClusterSet.Delete(cluster.Name)
delete(cc.clusterKubeClientMap, cluster.Name)
cc.delFromClusterSetByName(cluster.Name)
}
// delFromClusterSetByName delete a cluster from clusterSet by name and
// delete the corresponding restclient from the map clusterKubeClientMap
func (cc *ClusterController) delFromClusterSetByName(clusterName string) {
glog.V(1).Infof("ClusterController observed a cluster deletion: %v", clusterName)
cc.knownClusterSet.Delete(clusterName)
delete(cc.clusterKubeClientMap, clusterName)
}
// addToClusterSet insert the new cluster to clusterSet and create a corresponding
// restclient to map clusterKubeClientMap
func (cc *ClusterController) addToClusterSet(obj interface{}) {
cluster := obj.(*federationv1beta1.Cluster)
glog.V(1).Infof("ClusterController observed a new cluster: %v", cluster.Name)
cc.knownClusterSet.Insert(cluster.Name)
// create the restclient of cluster
restClient, err := NewClusterClientSet(cluster)
@ -115,9 +123,9 @@ func (cc *ClusterController) Run() {
}, cc.clusterMonitorPeriod, wait.NeverStop)
}
func (cc *ClusterController) GetClusterStatus(cluster *federationv1beta1.Cluster) (*federationv1beta1.ClusterStatus, error) {
// just get the status of cluster, by requesting the restapi "/healthz"
func (cc *ClusterController) GetClusterClient(cluster *federationv1beta1.Cluster) (*ClusterClient, error) {
clusterClient, found := cc.clusterKubeClientMap[cluster.Name]
client := &clusterClient
if !found {
glog.Infof("It's a new cluster, a cluster client will be created")
client, err := NewClusterClientSet(cluster)
@ -125,8 +133,15 @@ func (cc *ClusterController) GetClusterStatus(cluster *federationv1beta1.Cluster
glog.Errorf("Failed to create cluster client, err: %v", err)
return nil, err
}
clusterClient = *client
cc.clusterKubeClientMap[cluster.Name] = clusterClient
}
return client, nil
}
func (cc *ClusterController) GetClusterStatus(cluster *federationv1beta1.Cluster) (*federationv1beta1.ClusterStatus, error) {
// just get the status of cluster, by requesting the restapi "/healthz"
clusterClient, err := cc.GetClusterClient(cluster)
if err != nil {
return nil, err
}
clusterStatus := clusterClient.GetClusterHealthStatus()
return clusterStatus, nil
@ -140,8 +155,7 @@ func (cc *ClusterController) UpdateClusterStatus() error {
}
for _, cluster := range clusters.Items {
if !cc.knownClusterSet.Has(cluster.Name) {
glog.V(1).Infof("ClusterController observed a new cluster: %#v", cluster)
cc.knownClusterSet.Insert(cluster.Name)
cc.addToClusterSet(&cluster)
}
}
@ -153,8 +167,7 @@ func (cc *ClusterController) UpdateClusterStatus() error {
}
deleted := cc.knownClusterSet.Difference(observedSet)
for clusterName := range deleted {
glog.V(1).Infof("ClusterController observed a Cluster deletion: %v", clusterName)
cc.knownClusterSet.Delete(clusterName)
cc.delFromClusterSetByName(clusterName)
}
}
for _, cluster := range clusters.Items {