add fieldSelector podIP

pkg/registry/core/pod/strategy.go

@@ -200,6 +200,7 @@ func PodToSelectableFields(pod *api.Pod) fields.Set {
 	podSpecificFieldsSet["spec.nodeName"] = pod.Spec.NodeName
 	podSpecificFieldsSet["spec.restartPolicy"] = string(pod.Spec.RestartPolicy)
 	podSpecificFieldsSet["status.phase"] = string(pod.Status.Phase)
+	podSpecificFieldsSet["status.podIP"] = string(pod.Status.PodIP)
 	return generic.AddObjectMetaFieldsSet(podSpecificFieldsSet, &pod.ObjectMeta, true)
 }
 

pkg/registry/core/pod/strategy_test.go

@@ -82,6 +82,20 @@ func TestMatchPod(t *testing.T) {
 			fieldSelector: fields.ParseSelectorOrDie("status.phase=Pending"),
 			expectMatch:   false,
 		},
+		{
+			in: &api.Pod{
+				Status: api.PodStatus{PodIP: "1.2.3.4"},
+			},
+			fieldSelector: fields.ParseSelectorOrDie("status.podIP=1.2.3.4"),
+			expectMatch:   true,
+		},
+		{
+			in: &api.Pod{
+				Status: api.PodStatus{PodIP: "1.2.3.4"},
+			},
+			fieldSelector: fields.ParseSelectorOrDie("status.podIP=4.3.2.1"),
+			expectMatch:   false,
+		},
 	}
 	for _, testCase := range testCases {
 		m := MatchPod(labels.Everything(), testCase.fieldSelector)