e2e tests for status.hostIP in downward api

pkg/kubelet/kubelet_pods_test.go

@@ -502,6 +502,15 @@ func TestMakeEnvironmentVariables(t *testing.T) {
 							},
 						},
 					},
+					{
+						Name: "HOST_IP",
+						ValueFrom: &v1.EnvVarSource{
+							FieldRef: &v1.ObjectFieldSelector{
+								APIVersion: api.Registry.GroupOrDie(v1.GroupName).GroupVersion.String(),
+								FieldPath:  "status.hostIP",
+							},
+						},
+					},
 				},
 			},
 			masterServiceNs: "nothing",
@@ -512,6 +521,7 @@ func TestMakeEnvironmentVariables(t *testing.T) {
 				{Name: "POD_NODE_NAME", Value: "node-name"},
 				{Name: "POD_SERVICE_ACCOUNT_NAME", Value: "special"},
 				{Name: "POD_IP", Value: "1.2.3.4"},
+				{Name: "HOST_IP", Value: "5.6.7.8"},
 			},
 		},
 		{
@@ -1142,6 +1152,9 @@ func TestMakeEnvironmentVariables(t *testing.T) {
 				ServiceAccountName: "special",
 				NodeName:           "node-name",
 			},
+			Status: v1.PodStatus{
+				HostIP: "5.6.7.8",
+			},
 		}
 		podIP := "1.2.3.4"
 

test/e2e/common/downward_api.go

@@ -73,6 +73,8 @@ var _ = framework.KubeDescribe("Downward API", func() {
 						FieldPath:  "status.podIP",
 					},
 				},
+			},
+			{
 				Name: "HOST_IP",
 				ValueFrom: &v1.EnvVarSource{
 					FieldRef: &v1.ObjectFieldSelector{