Update nodeInfo once node was cordon(ed)

Author: jiaxuanzhou

pkg/scheduler/cache/event_handlers.go

@@ -240,9 +240,16 @@ func (sc *SchedulerCache) addNode(node *v1.Node) error {
 }
 
 func isNodeInfoUpdated(oldNode, newNode *v1.Node) bool {
-	return !reflect.DeepEqual(oldNode.Status.Allocatable, newNode.Status.Allocatable) ||
-		!reflect.DeepEqual(oldNode.Spec.Taints, newNode.Spec.Taints) ||
-		!reflect.DeepEqual(oldNode.Labels, newNode.Labels)
+	switch {
+	// TODO(jiaxuanzhou): reserved for predictions for volumes.
+	case !reflect.DeepEqual(oldNode.Status, newNode.Status):
+		return !reflect.DeepEqual(oldNode.Status.Allocatable, newNode.Status.Allocatable)
+	case !reflect.DeepEqual(oldNode.Spec, newNode.Spec):
+		return !reflect.DeepEqual(oldNode.Spec.Taints, newNode.Spec.Taints) ||
+			!reflect.DeepEqual(oldNode.Spec.Unschedulable, newNode.Spec.Unschedulable)
+	default:
+		return !reflect.DeepEqual(oldNode.Labels, newNode.Labels)
+	}
 }
 
 // Assumes that lock is already acquired.