Convert existing kubernetes system to use ContainerStatus, instead of

hack/e2e-suite/basic.sh

@@ -50,7 +50,7 @@ while [ $ALL_RUNNING -ne 1 ]; do
   ALL_RUNNING=1
   for id in $POD_ID_LIST; do
     CURRENT_STATUS=$($KUBECFG -template '{{and .CurrentState.Info.mynginx.State.Running .CurrentState.Info.net.State.Running}}' get pods/$id)
-    if [ "$CURRENT_STATUS" != "true" ]; then
+    if [ "$CURRENT_STATUS" != "{}" ]; then
       ALL_RUNNING=0
     fi
   done

hack/e2e-suite/update.sh

@@ -40,10 +40,10 @@ function validate() {
     for id in $POD_ID_LIST; do
       TEMPLATE_STRING="{{and ((index .CurrentState.Info \"${CONTROLLER_NAME}\").State.Running) .CurrentState.Info.net.State.Running}}"
       CURRENT_STATUS=$($KUBECFG -template "${TEMPLATE_STRING}" get pods/$id)
-      if [ "$CURRENT_STATUS" != "true" ]; then
+      if [ "$CURRENT_STATUS" != "{}" ]; then
         ALL_RUNNING=0
       else
-        CURRENT_IMAGE=$($KUBECFG -template "{{(index .CurrentState.Info \"${CONTROLLER_NAME}\").Config.Image}}" get pods/$id)
+        CURRENT_IMAGE=$($KUBECFG -template "{{(index .CurrentState.Info \"${CONTROLLER_NAME}\").DetailInfo.Config.Image}}" get pods/$id)
         if [ "$CURRENT_IMAGE" != "${DOCKER_HUB_USER}/update-demo:${CONTAINER_IMAGE_VERSION}" ]; then
           ALL_RUNNING=0
         fi

pkg/api/types.go

@@ -288,8 +288,7 @@ type ContainerStatus struct {
 }
 
 // PodInfo contains one entry for every container with available info.
-// TODO(dchen1107): Replace docker.Container below with ContainerStatus defined above.
-type PodInfo map[string]docker.Container
+type PodInfo map[string]ContainerStatus
 
 type RestartPolicyAlways struct{}
 

pkg/api/v1beta1/types.go

@@ -301,7 +301,7 @@ type ContainerStatus struct {
 }
 
 // PodInfo contains one entry for every container with available info.
-type PodInfo map[string]docker.Container
+type PodInfo map[string]ContainerStatus
 
 type RestartPolicyAlways struct{}
 

pkg/api/v1beta2/types.go

@@ -298,7 +298,7 @@ type ContainerStatus struct {
 
 // PodInfo contains one entry for every container with available info.
 // TODO(dchen1107): Replace docker.Container below with ContainerStatus defined above.
-type PodInfo map[string]docker.Container
+type PodInfo map[string]ContainerStatus
 
 type RestartPolicyAlways struct{}
 

pkg/client/podinfo_test.go

@@ -32,7 +32,9 @@ import (
 
 func TestHTTPPodInfoGetter(t *testing.T) {
 	expectObj := api.PodInfo{
-		"myID": docker.Container{ID: "myID"},
+		"myID": api.ContainerStatus{
+			DetailInfo: docker.Container{ID: "myID"},
+		},
 	}
 	body, err := json.Marshal(expectObj)
 	if err != nil {
@@ -67,14 +69,17 @@ func TestHTTPPodInfoGetter(t *testing.T) {
 	}
 
 	// reflect.DeepEqual(expectObj, gotObj) doesn't handle blank times well
-	if len(gotObj) != len(expectObj) || expectObj["myID"].ID != gotObj["myID"].ID {
+	if len(gotObj) != len(expectObj) ||
+		expectObj["myID"].DetailInfo.ID != gotObj["myID"].DetailInfo.ID {
 		t.Errorf("Unexpected response.  Expected: %#v, received %#v", expectObj, gotObj)
 	}
 }
 
 func TestHTTPPodInfoGetterNotFound(t *testing.T) {
 	expectObj := api.PodInfo{
-		"myID": docker.Container{ID: "myID"},
+		"myID": api.ContainerStatus{
+			DetailInfo: docker.Container{ID: "myID"},
+		},
 	}
 	_, err := json.Marshal(expectObj)
 	if err != nil {

pkg/kubelet/dockertools/docker.go

@@ -228,6 +228,25 @@ func GetKubeletDockerContainerLogs(client DockerInterface, containerID, tail str
 	return
 }
 
+func generateContainerStatus(inspectResult *docker.Container) api.ContainerStatus {
+	if inspectResult == nil {
+		// Why did we not get an error?
+		return api.ContainerStatus{}
+	}
+
+	var containerStatus api.ContainerStatus
+
+	if inspectResult.State.Running {
+		containerStatus.State.Running = &api.ContainerStateRunning{}
+	} else {
+		containerStatus.State.Termination = &api.ContainerStateTerminated{
+			ExitCode: inspectResult.State.ExitCode,
+		}
+	}
+	containerStatus.DetailInfo = *inspectResult
+	return containerStatus
+}
+
 // ErrNoContainersInPod is returned when there are no containers for a given pod
 var ErrNoContainersInPod = errors.New("no containers exist for this pod")
 
@@ -249,20 +268,17 @@ func GetDockerPodInfo(client DockerInterface, podFullName, uuid string) (api.Pod
 			continue
 		}
 		// We assume docker return us a list of containers in time order
-		if _, ok := info[dockerContainerName]; ok {
+		if containerStatus, found := info[dockerContainerName]; found {
+			containerStatus.RestartCount += 1
+			info[dockerContainerName] = containerStatus
 			continue
 		}
 
 		inspectResult, err := client.InspectContainer(value.ID)
 		if err != nil {
 			return nil, err
 		}
-		if inspectResult == nil {
-			// Why did we not get an error?
-			info[dockerContainerName] = docker.Container{}
-		} else {
-			info[dockerContainerName] = *inspectResult
-		}
+		info[dockerContainerName] = generateContainerStatus(inspectResult)
 	}
 	if len(info) == 0 {
 		return nil, ErrNoContainersInPod

pkg/kubelet/handlers.go

@@ -77,8 +77,8 @@ func (h *httpActionHandler) Run(podFullName, uuid string, container *api.Contain
 			return err
 		}
 		netInfo, found := info[networkContainerName]
-		if found && netInfo.NetworkSettings != nil {
-			host = netInfo.NetworkSettings.IPAddress
+		if found && netInfo.DetailInfo.NetworkSettings != nil {
+			host = netInfo.DetailInfo.NetworkSettings.IPAddress
 		} else {
 			return fmt.Errorf("failed to find networking container: %v", info)
 		}

pkg/kubelet/kubelet.go

@@ -488,8 +488,8 @@ func (kl *Kubelet) syncPod(pod *Pod, dockerContainers dockertools.DockerContaine
 			podFullName, uuid)
 	}
 	netInfo, found := info[networkContainerName]
-	if found && netInfo.NetworkSettings != nil {
-		podState.PodIP = netInfo.NetworkSettings.IPAddress
+	if found && netInfo.DetailInfo.NetworkSettings != nil {
+		podState.PodIP = netInfo.DetailInfo.NetworkSettings.IPAddress
 	}
 
 	for _, container := range pod.Manifest.Containers {

pkg/kubelet/server_test.go

@@ -146,7 +146,11 @@ func TestContainers(t *testing.T) {
 
 func TestPodInfo(t *testing.T) {
 	fw := newServerTest()
-	expected := api.PodInfo{"goodpod": docker.Container{ID: "myContainerID"}}
+	expected := api.PodInfo{
+		"goodpod": api.ContainerStatus{
+			DetailInfo: docker.Container{ID: "myContainerID"},
+		},
+	}
 	fw.fakeKubelet.infoFunc = func(name string) (api.PodInfo, error) {
 		if name == "goodpod.etcd" {
 			return expected, nil

pkg/master/pod_cache_test.go

@@ -41,7 +41,11 @@ func (f *FakePodInfoGetter) GetPodInfo(host, id string) (api.PodInfo, error) {
 func TestPodCacheGet(t *testing.T) {
 	cache := NewPodCache(nil, nil)
 
-	expected := api.PodInfo{"foo": docker.Container{ID: "foo"}}
+	expected := api.PodInfo{
+		"foo": api.ContainerStatus{
+			DetailInfo: docker.Container{ID: "foo"},
+		},
+	}
 	cache.podInfo["foo"] = expected
 
 	info, err := cache.GetPodInfo("host", "foo")
@@ -66,7 +70,11 @@ func TestPodCacheGetMissing(t *testing.T) {
 }
 
 func TestPodGetPodInfoGetter(t *testing.T) {
-	expected := api.PodInfo{"foo": docker.Container{ID: "foo"}}
+	expected := api.PodInfo{
+		"foo": api.ContainerStatus{
+			DetailInfo: docker.Container{ID: "foo"},
+		},
+	}
 	fake := FakePodInfoGetter{
 		data: expected,
 	}
@@ -98,7 +106,11 @@ func TestPodUpdateAllContainers(t *testing.T) {
 	pods := []api.Pod{pod}
 	mockRegistry := registrytest.NewPodRegistry(&api.PodList{Items: pods})
 
-	expected := api.PodInfo{"foo": docker.Container{ID: "foo"}}
+	expected := api.PodInfo{
+		"foo": api.ContainerStatus{
+			DetailInfo: docker.Container{ID: "foo"},
+		},
+	}
 	fake := FakePodInfoGetter{
 		data: expected,
 	}

pkg/registry/pod/rest.go

@@ -196,8 +196,8 @@ func (rs *REST) fillPodInfo(pod *api.Pod) {
 		pod.CurrentState.Info = info
 		netContainerInfo, ok := info["net"]
 		if ok {
-			if netContainerInfo.NetworkSettings != nil {
-				pod.CurrentState.PodIP = netContainerInfo.NetworkSettings.IPAddress
+			if netContainerInfo.DetailInfo.NetworkSettings != nil {
+				pod.CurrentState.PodIP = netContainerInfo.DetailInfo.NetworkSettings.IPAddress
 			} else {
 				glog.Warningf("No network settings: %#v", netContainerInfo)
 			}
@@ -253,11 +253,13 @@ func getPodStatus(pod *api.Pod, minions client.MinionInterface) (api.PodStatus,
 	stopped := 0
 	unknown := 0
 	for _, container := range pod.DesiredState.Manifest.Containers {
-		if info, ok := pod.CurrentState.Info[container.Name]; ok {
-			if info.State.Running {
+		if containerStatus, ok := pod.CurrentState.Info[container.Name]; ok {
+			if containerStatus.State.Running != nil {
 				running++
-			} else {
+			} else if containerStatus.State.Termination != nil {
 				stopped++
+			} else {
+				unknown++
 			}
 		} else {
 			unknown++

pkg/registry/pod/rest_test.go

@@ -360,14 +360,14 @@ func TestMakePodStatus(t *testing.T) {
 	currentState := api.PodState{
 		Host: "machine",
 	}
-	runningState := docker.Container{
-		State: docker.State{
-			Running: true,
+	runningState := api.ContainerStatus{
+		State: api.ContainerState{
+			Running: &api.ContainerStateRunning{},
 		},
 	}
-	stoppedState := docker.Container{
-		State: docker.State{
-			Running: false,
+	stoppedState := api.ContainerStatus{
+		State: api.ContainerState{
+			Termination: &api.ContainerStateTerminated{},
 		},
 	}
 
@@ -376,14 +376,7 @@ func TestMakePodStatus(t *testing.T) {
 		status api.PodStatus
 		test   string
 	}{
-		{
-			&api.Pod{
-				DesiredState: desiredState,
-				CurrentState: currentState,
-			},
-			api.PodWaiting,
-			"waiting",
-		},
+		{&api.Pod{DesiredState: desiredState, CurrentState: currentState}, api.PodWaiting, "waiting"},
 		{
 			&api.Pod{
 				DesiredState: desiredState,
@@ -398,7 +391,7 @@ func TestMakePodStatus(t *testing.T) {
 			&api.Pod{
 				DesiredState: desiredState,
 				CurrentState: api.PodState{
-					Info: map[string]docker.Container{
+					Info: map[string]api.ContainerStatus{
 						"containerA": runningState,
 						"containerB": runningState,
 					},
@@ -412,7 +405,7 @@ func TestMakePodStatus(t *testing.T) {
 			&api.Pod{
 				DesiredState: desiredState,
 				CurrentState: api.PodState{
-					Info: map[string]docker.Container{
+					Info: map[string]api.ContainerStatus{
 						"containerA": runningState,
 						"containerB": runningState,
 					},
@@ -426,7 +419,7 @@ func TestMakePodStatus(t *testing.T) {
 			&api.Pod{
 				DesiredState: desiredState,
 				CurrentState: api.PodState{
-					Info: map[string]docker.Container{
+					Info: map[string]api.ContainerStatus{
 						"containerA": stoppedState,
 						"containerB": stoppedState,
 					},
@@ -440,7 +433,7 @@ func TestMakePodStatus(t *testing.T) {
 			&api.Pod{
 				DesiredState: desiredState,
 				CurrentState: api.PodState{
-					Info: map[string]docker.Container{
+					Info: map[string]api.ContainerStatus{
 						"containerA": stoppedState,
 						"containerB": stoppedState,
 					},
@@ -454,7 +447,7 @@ func TestMakePodStatus(t *testing.T) {
 			&api.Pod{
 				DesiredState: desiredState,
 				CurrentState: api.PodState{
-					Info: map[string]docker.Container{
+					Info: map[string]api.ContainerStatus{
 						"containerA": runningState,
 						"containerB": stoppedState,
 					},
@@ -468,7 +461,7 @@ func TestMakePodStatus(t *testing.T) {
 			&api.Pod{
 				DesiredState: desiredState,
 				CurrentState: api.PodState{
-					Info: map[string]docker.Container{
+					Info: map[string]api.ContainerStatus{
 						"containerA": runningState,
 					},
 					Host: "machine",
@@ -566,12 +559,14 @@ func (f *FakePodInfoGetter) GetPodInfo(host, podID string) (api.PodInfo, error)
 func TestFillPodInfo(t *testing.T) {
 	expectedIP := "1.2.3.4"
 	fakeGetter := FakePodInfoGetter{
-		info: map[string]docker.Container{
+		info: map[string]api.ContainerStatus{
 			"net": {
-				ID:   "foobar",
-				Path: "bin/run.sh",
-				NetworkSettings: &docker.NetworkSettings{
-					IPAddress: expectedIP,
+				DetailInfo: docker.Container{
+					ID:   "foobar",
+					Path: "bin/run.sh",
+					NetworkSettings: &docker.NetworkSettings{
+						IPAddress: expectedIP,
+					},
 				},
 			},
 		},
@@ -592,10 +587,12 @@ func TestFillPodInfo(t *testing.T) {
 func TestFillPodInfoNoData(t *testing.T) {
 	expectedIP := ""
 	fakeGetter := FakePodInfoGetter{
-		info: map[string]docker.Container{
+		info: map[string]api.ContainerStatus{
 			"net": {
-				ID:   "foobar",
-				Path: "bin/run.sh",
+				DetailInfo: docker.Container{
+					ID:   "foobar",
+					Path: "bin/run.sh",
+				},
 			},
 		},
 	}