Clear node status before the validation check.

pkg/api/validation/validation.go

@@ -578,6 +578,8 @@ func ValidateMinionUpdate(oldMinion *api.Node, minion *api.Node) errs.Validation
 	// Allow users to update labels and capacity
 	oldMinion.Labels = minion.Labels
 	oldMinion.Spec.Capacity = minion.Spec.Capacity
+	// Clear status
+	oldMinion.Status = minion.Status
 
 	if !reflect.DeepEqual(oldMinion, minion) {
 		glog.V(4).Infof("Update failed validation %#v vs %#v", oldMinion, minion)

pkg/api/validation/validation_test.go

@@ -1236,6 +1236,20 @@ func TestValidateMinionUpdate(t *testing.T) {
 				HostIP: "1.2.3.4",
 			},
 		}, false},
+		{api.Node{
+			ObjectMeta: api.ObjectMeta{
+				Name:   "foo",
+				Labels: map[string]string{"bar": "foo"},
+			},
+			Status: api.NodeStatus{
+				HostIP: "1.2.3.4",
+			},
+		}, api.Node{
+			ObjectMeta: api.ObjectMeta{
+				Name:   "foo",
+				Labels: map[string]string{"bar": "fooobaz"},
+			},
+		}, true},
 	}
 	for _, test := range tests {
 		errs := ValidateMinionUpdate(&test.oldMinion, &test.minion)