Add PodIP to the info returned for a pod.

pkg/api/types.go

@@ -196,6 +196,7 @@ type PodState struct {
 	Status   PodStatus         `json:"status,omitempty" yaml:"status,omitempty"`
 	Host     string            `json:"host,omitempty" yaml:"host,omitempty"`
 	HostIP   string            `json:"hostIP,omitempty" yaml:"hostIP,omitempty"`
+	PodIP    string            `json:"podIP,omitempty" yaml:"podIP,omitempty"`
 
 	// The key of this map is the *name* of the container within the manifest; it has one
 	// entry per container in the manifest. The value of this map is currently the output

pkg/registry/pod_registry.go

@@ -89,6 +89,12 @@ func (storage *PodRegistryStorage) fillPodInfo(pod *api.Pod) {
 			return
 		}
 		pod.CurrentState.Info = info
+		netContainerInfo, ok := info["net"]
+		if ok {
+			pod.CurrentState.PodIP = netContainerInfo.NetworkSettings.IPAddress
+		} else {
+			glog.Warningf("Couldn't find network container in %v", info)
+		}
 	}
 }
 

pkg/registry/pod_registry_test.go

@@ -278,3 +278,42 @@ func TestCreatePod(t *testing.T) {
 		// Do nothing, this is expected.
 	}
 }
+
+type FakePodInfoGetter struct {
+	info api.PodInfo
+	err  error
+}
+
+func (f *FakePodInfoGetter) GetPodInfo(host, podID string) (api.PodInfo, error) {
+	return f.info, f.err
+}
+
+func TestFillPodInfo(t *testing.T) {
+	expectedIP := "1.2.3.4"
+	fakeGetter := FakePodInfoGetter{
+		info: map[string]docker.Container{
+			"net": {
+				ID:   "foobar",
+				Path: "bin/run.sh",
+				NetworkSettings: &docker.NetworkSettings{
+					IPAddress: expectedIP,
+				},
+			},
+		},
+	}
+	storage := PodRegistryStorage{
+		podCache: &fakeGetter,
+	}
+
+	pod := api.Pod{}
+
+	storage.fillPodInfo(&pod)
+
+	if !reflect.DeepEqual(fakeGetter.info, pod.CurrentState.Info) {
+		t.Errorf("Unexpected mis-match: %#v vs %#v", fakeGetter.info, pod.CurrentState.Info)
+	}
+
+	if pod.CurrentState.PodIP != expectedIP {
+		t.Errorf("Expected %s, saw %s", expectedIP, pod.CurrentState.PodIP)
+	}
+}