Allow no ports when exposing headless service

pkg/kubectl/service_test.go

@@ -536,6 +536,29 @@ func TestGenerateService(t *testing.T) {
 				},
 			},
 		},
+		{
+			generator: ServiceGeneratorV2{},
+			params: map[string]interface{}{
+				"selector":       "foo=bar,baz=blah",
+				"name":           "test",
+				"protocol":       "TCP",
+				"container-port": "1234",
+				"cluster-ip":     "None",
+			},
+			expected: api.Service{
+				ObjectMeta: api.ObjectMeta{
+					Name: "test",
+				},
+				Spec: api.ServiceSpec{
+					Selector: map[string]string{
+						"foo": "bar",
+						"baz": "blah",
+					},
+					Ports:     []api.ServicePort{},
+					ClusterIP: api.ClusterIPNone,
+				},
+			},
+		},
 	}
 	for _, test := range tests {
 		obj, err := test.generator.Generate(test.params)