Add PodDisruptionBudget to scheduler cache.

plugin/cmd/kube-scheduler/app/configurator.go

@@ -24,6 +24,7 @@ import (
 	appsinformers "k8s.io/client-go/informers/apps/v1beta1"
 	coreinformers "k8s.io/client-go/informers/core/v1"
 	extensionsinformers "k8s.io/client-go/informers/extensions/v1beta1"
+	policyinformers "k8s.io/client-go/informers/policy/v1beta1"
 	"k8s.io/kubernetes/plugin/cmd/kube-scheduler/app/options"
 
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
@@ -86,6 +87,7 @@ func CreateScheduler(
 	replicaSetInformer extensionsinformers.ReplicaSetInformer,
 	statefulSetInformer appsinformers.StatefulSetInformer,
 	serviceInformer coreinformers.ServiceInformer,
+	pdbInformer policyinformers.PodDisruptionBudgetInformer,
 	recorder record.EventRecorder,
 ) (*scheduler.Scheduler, error) {
 	configurator := factory.NewConfigFactory(
@@ -99,6 +101,7 @@ func CreateScheduler(
 		replicaSetInformer,
 		statefulSetInformer,
 		serviceInformer,
+		pdbInformer,
 		s.HardPodAffinitySymmetricWeight,
 		utilfeature.DefaultFeatureGate.Enabled(features.EnableEquivalenceClassCache),
 	)

plugin/cmd/kube-scheduler/app/server.go

@@ -95,6 +95,7 @@ func Run(s *options.SchedulerServer) error {
 		informerFactory.Extensions().V1beta1().ReplicaSets(),
 		informerFactory.Apps().V1beta1().StatefulSets(),
 		informerFactory.Core().V1().Services(),
+		informerFactory.Policy().V1beta1().PodDisruptionBudgets(),
 		recorder,
 	)
 	if err != nil {