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User separate client for leader election in scheduler

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This commit is contained in:
Wojciech Tyczynski 2017-10-12 13:18:42 +02:00
parent 1d4e1d2dc2
commit 234e20b620
2 changed files with 12 additions and 12 deletions
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12
plugin/cmd/kube-scheduler/app/configurator.go
View File

@ -56,22 +56,22 @@ func createRecorder(kubecli *clientset.Clientset, s *options.SchedulerServer) re
return eventBroadcaster.NewRecorder(api.Scheme, v1.EventSource{Component: s.SchedulerName})
}
func createClient(s *options.SchedulerServer) (*clientset.Clientset, error) {
func createClients(s *options.SchedulerServer) (*clientset.Clientset, *clientset.Clientset, error) {
kubeconfig, err := clientcmd.BuildConfigFromFlags(s.Master, s.Kubeconfig)
if err != nil {
return nil, fmt.Errorf("unable to build config from flags: %v", err)
return nil, nil, fmt.Errorf("unable to build config from flags: %v", err)
}
kubeconfig.ContentType = s.ContentType
// Override kubeconfig qps/burst settings from flags
kubeconfig.QPS = s.KubeAPIQPS
kubeconfig.Burst = int(s.KubeAPIBurst)
cli, err := clientset.NewForConfig(restclient.AddUserAgent(kubeconfig, "leader-election"))
kubeClient, err := clientset.NewForConfig(restclient.AddUserAgent(kubeconfig, "scheduler"))
if err != nil {
return nil, fmt.Errorf("invalid API configuration: %v", err)
glog.Fatalf("Invalid API configuration: %v", err)
}
return cli, nil
leaderElectionClient := clientset.NewForConfigOrDie(restclient.AddUserAgent(kubeconfig, "leader-election"))
return kubeClient, leaderElectionClient, nil
}
// CreateScheduler encapsulates the entire creation of a runnable scheduler.

12
plugin/cmd/kube-scheduler/app/server.go
View File

@ -70,23 +70,23 @@ func Run(s *options.SchedulerServer) error {
// To help debugging, immediately log version
glog.Infof("Version: %+v", version.Get())
kubecli, err := createClient(s)
kubeClient, leaderElectionClient, err := createClients(s)
if err != nil {
return fmt.Errorf("unable to create kube client: %v", err)
}
recorder := createRecorder(kubecli, s)
recorder := createRecorder(kubeClient, s)
informerFactory := informers.NewSharedInformerFactory(kubecli, 0)
informerFactory := informers.NewSharedInformerFactory(kubeClient, 0)
// cache only non-terminal pods
podInformer := factory.NewPodInformer(kubecli, 0)
podInformer := factory.NewPodInformer(kubeClient, 0)
// Apply algorithms based on feature gates.
algorithmprovider.ApplyFeatureGates()
sched, err := CreateScheduler(
s,
kubecli,
kubeClient,
informerFactory.Core().V1().Nodes(),
podInformer,
informerFactory.Core().V1().PersistentVolumes(),
@ -131,7 +131,7 @@ func Run(s *options.SchedulerServer) error {
rl, err := resourcelock.New(s.LeaderElection.ResourceLock,
s.LockObjectNamespace,
s.LockObjectName,
kubecli.CoreV1(),
leaderElectionClient.CoreV1(),
resourcelock.ResourceLockConfig{
Identity: id,
EventRecorder: recorder,