add queue controller about state

pkg/apis/scheduling/v1alpha2/types.go

@@ -98,6 +98,28 @@ const (
 	NotEnoughPodsReason string = "NotEnoughTasks"
 )
 
+// QueueEvent represent the phase of queue
+type QueueEvent string
+
+const (
+	// QueueOutOfSyncEvent is triggered if PodGroup/Queue were updated
+	QueueOutOfSyncEvent QueueEvent = "OutOfSync"
+	// QueueCommandIssuedEvent is triggered if a command is raised by user
+	QueueCommandIssuedEvent QueueEvent = "CommandIssued"
+)
+
+// QueueAction is the action that queue controller will take according to the event.
+type QueueAction string
+
+const (
+	// SyncQueueAction is the action to sync queue status.
+	SyncQueueAction QueueAction = "SyncQueue"
+	// OpenQueueAction is the action to open queue
+	OpenQueueAction QueueAction = "OpenQueue"
+	// CloseQueueAction is the action to close queue
+	CloseQueueAction QueueAction = "CloseQueue"
+)
+
 // +genclient
 // +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
 

pkg/controllers/job/job_controller.go

@@ -40,6 +40,7 @@ import (
 	"k8s.io/client-go/util/workqueue"
 
 	batchv1alpha1 "volcano.sh/volcano/pkg/apis/batch/v1alpha1"
+	busv1alpha1 "volcano.sh/volcano/pkg/apis/bus/v1alpha1"
 	vcclientset "volcano.sh/volcano/pkg/client/clientset/versioned"
 	vcscheme "volcano.sh/volcano/pkg/client/clientset/versioned/scheme"
 	informerfactory "volcano.sh/volcano/pkg/client/informers/externalversions"
@@ -155,9 +156,26 @@ func NewJobController(
 	cc.jobSynced = cc.jobInformer.Informer().HasSynced
 
 	cc.cmdInformer = informerfactory.NewSharedInformerFactory(cc.vcClient, 0).Bus().V1alpha1().Commands()
-	cc.cmdInformer.Informer().AddEventHandler(cache.ResourceEventHandlerFuncs{
-		AddFunc: cc.addCommand,
-	})
+	cc.cmdInformer.Informer().AddEventHandler(
+		cache.FilteringResourceEventHandler{
+			FilterFunc: func(obj interface{}) bool {
+				switch obj.(type) {
+				case *busv1alpha1.Command:
+					cmd := obj.(*busv1alpha1.Command)
+					if cmd.TargetObject.APIVersion == batchv1alpha1.SchemeGroupVersion.String() &&
+						cmd.TargetObject.Kind == "Job" {
+						return true
+					}
+
+					return false
+				default:
+					return false
+				}
+			},
+			Handler: cache.ResourceEventHandlerFuncs{
+				AddFunc: cc.addCommand,
+			},
+		})
 	cc.cmdLister = cc.cmdInformer.Lister()
 	cc.cmdSynced = cc.cmdInformer.Informer().HasSynced