Merge pull request #8853 from caesarxuchao/HostToNodeName

update PodSpec.Host to PodSpec.NodeName

pkg/api/validation/validation.go

@@ -1007,8 +1007,8 @@ func ValidatePodStatusUpdate(newPod, oldPod *api.Pod) errs.ValidationErrorList {
 	allErrs = append(allErrs, ValidateObjectMetaUpdate(&oldPod.ObjectMeta, &newPod.ObjectMeta).Prefix("metadata")...)
 
 	// TODO: allow change when bindings are properly decoupled from pods
-	if newPod.Spec.Host != oldPod.Spec.Host {
-		allErrs = append(allErrs, errs.NewFieldInvalid("status.host", newPod.Spec.Host, "pod host cannot be changed directly"))
+	if newPod.Spec.NodeName != oldPod.Spec.NodeName {
+		allErrs = append(allErrs, errs.NewFieldInvalid("status.nodeName", newPod.Spec.NodeName, "pod nodename cannot be changed directly"))
 	}
 
 	// For status update we ignore changes to pod spec.

pkg/api/validation/validation_test.go

@@ -1049,7 +1049,7 @@ func TestValidatePodSpec(t *testing.T) {
 			NodeSelector: map[string]string{
 				"key": "value",
 			},
-			Host:                  "foobar",
+			NodeName:              "foobar",
 			DNSPolicy:             api.DNSClusterFirst,
 			ActiveDeadlineSeconds: &activeDeadlineSeconds,
 		},
@@ -1116,7 +1116,7 @@ func TestValidatePodSpec(t *testing.T) {
 			NodeSelector: map[string]string{
 				"key": "value",
 			},
-			Host:                  "foobar",
+			NodeName:              "foobar",
 			DNSPolicy:             api.DNSClusterFirst,
 			ActiveDeadlineSeconds: &activeDeadlineSeconds,
 		},
@@ -1151,7 +1151,7 @@ func TestValidatePod(t *testing.T) {
 				NodeSelector: map[string]string{
 					"key": "value",
 				},
-				Host: "foobar",
+				NodeName: "foobar",
 			},
 		},
 	}