Golang types.DockerID函数代码示例

func (oc *OvsController) updatePodNetwork(namespace string, netID, oldNetID uint) error {
	// Update OF rules for the existing/old pods in the namespace
	pods, err := oc.Registry.GetRunningPods(oc.hostName, namespace)
	if err != nil {
		return err
	}
	for _, pod := range pods {
		err := oc.pluginHooks.UpdatePod(pod.Namespace, pod.Name, kubetypes.DockerID(pod.ContainerID))
		if err != nil {
			return err
		}
	}

	// Update OF rules for the old services in the namespace
	services, err := oc.Registry.GetServicesForNamespace(namespace)
	if err != nil {
		return err
	}
	for _, svc := range services {
		for _, port := range svc.Ports {
			oc.flowController.DelServiceOFRules(oldNetID, svc.IP, port.Protocol, port.Port)
			oc.flowController.AddServiceOFRules(netID, svc.IP, port.Protocol, port.Port)
		}
	}
	return nil
}

func TestDockerContainerCommand(t *testing.T) {
	runner := &DockerManager{}
	containerID := kubetypes.DockerID("1234").ContainerID()
	command := []string{"ls"}
	cmd, _ := runner.getRunInContainerCommand(containerID, command)
	if cmd.Dir != "/var/lib/docker/execdriver/native/"+containerID.ID {
		t.Errorf("unexpected command CWD: %s", cmd.Dir)
	}
	if !reflect.DeepEqual(cmd.Args, []string{"/usr/sbin/nsinit", "exec", "ls"}) {
		t.Errorf("unexpected command args: %s", cmd.Args)
	}
}

// Converts docker.APIContainers to kubecontainer.Container.
func toRuntimeContainer(c *docker.APIContainers) (*kubecontainer.Container, error) {
	if c == nil {
		return nil, fmt.Errorf("unable to convert a nil pointer to a runtime container")
	}

	dockerName, hash, err := getDockerContainerNameInfo(c)
	if err != nil {
		return nil, err
	}
	return &kubecontainer.Container{
		ID:      kubeletTypes.DockerID(c.ID).ContainerID(),
		Name:    dockerName.ContainerName,
		Image:   c.Image,
		Hash:    hash,
		Created: c.Created,
	}, nil
}

// GetKubeletDockerContainers lists all container or just the running ones.
// Returns a map of docker containers that we manage, keyed by container ID.
// TODO: Move this function with dockerCache to DockerManager.
func GetKubeletDockerContainers(client DockerInterface, allContainers bool) (DockerContainers, error) {
	result := make(DockerContainers)
	containers, err := client.ListContainers(docker.ListContainersOptions{All: allContainers})
	if err != nil {
		return nil, err
	}
	for i := range containers {
		container := &containers[i]
		if len(container.Names) == 0 {
			continue
		}
		// Skip containers that we didn't create to allow users to manually
		// spin up their own containers if they want.
		// TODO(dchen1107): Remove the old separator "--" by end of Oct
		if !strings.HasPrefix(container.Names[0], "/"+containerNamePrefix+"_") &&
			!strings.HasPrefix(container.Names[0], "/"+containerNamePrefix+"--") {
			glog.V(3).Infof("Docker Container: %s is not managed by kubelet.", container.Names[0])
			continue
		}
		result[kubetypes.DockerID(container.ID)] = container
	}
	return result, nil
}

// Converts docker.APIContainers to kubecontainer.Container.
func toRuntimeContainer(c *docker.APIContainers) (*kubecontainer.Container, error) {
	if c == nil {
		return nil, fmt.Errorf("unable to convert a nil pointer to a runtime container")
	}

	dockerName, hash, err := getDockerContainerNameInfo(c)
	if err != nil {
		return nil, err
	}

	return &kubecontainer.Container{
		ID:      kubetypes.DockerID(c.ID).ContainerID(),
		Name:    dockerName.ContainerName,
		Image:   c.Image,
		Hash:    hash,
		Created: c.Created,
		// (random-liu) docker uses status to indicate whether a container is running or exited.
		// However, in kubernetes we usually use state to indicate whether a container is running or exited,
		// while use status to indicate the comprehensive status of the container. So we have different naming
		// norm here.
		State: mapState(c.Status),
	}, nil
}

func TestFindContainersByPod(t *testing.T) {
	tests := []struct {
		containerList       []docker.APIContainers
		exitedContainerList []docker.APIContainers
		all                 bool
		expectedPods        []*kubecontainer.Pod
	}{

		{
			[]docker.APIContainers{
				{
					ID:    "foobar",
					Names: []string{"/k8s_foobar.1234_qux_ns_1234_42"},
				},
				{
					ID:    "barbar",
					Names: []string{"/k8s_barbar.1234_qux_ns_2343_42"},
				},
				{
					ID:    "baz",
					Names: []string{"/k8s_baz.1234_qux_ns_1234_42"},
				},
			},
			[]docker.APIContainers{
				{
					ID:    "barfoo",
					Names: []string{"/k8s_barfoo.1234_qux_ns_1234_42"},
				},
				{
					ID:    "bazbaz",
					Names: []string{"/k8s_bazbaz.1234_qux_ns_5678_42"},
				},
			},
			false,
			[]*kubecontainer.Pod{
				{
					ID:        "1234",
					Name:      "qux",
					Namespace: "ns",
					Containers: []*kubecontainer.Container{
						{
							ID:    kubetypes.DockerID("foobar").ContainerID(),
							Name:  "foobar",
							Hash:  0x1234,
							State: kubecontainer.ContainerStateUnknown,
						},
						{
							ID:    kubetypes.DockerID("baz").ContainerID(),
							Name:  "baz",
							Hash:  0x1234,
							State: kubecontainer.ContainerStateUnknown,
						},
					},
				},
				{
					ID:        "2343",
					Name:      "qux",
					Namespace: "ns",
					Containers: []*kubecontainer.Container{
						{
							ID:    kubetypes.DockerID("barbar").ContainerID(),
							Name:  "barbar",
							Hash:  0x1234,
							State: kubecontainer.ContainerStateUnknown,
						},
					},
				},
			},
		},
		{
			[]docker.APIContainers{
				{
					ID:    "foobar",
					Names: []string{"/k8s_foobar.1234_qux_ns_1234_42"},
				},
				{
					ID:    "barbar",
					Names: []string{"/k8s_barbar.1234_qux_ns_2343_42"},
				},
				{
					ID:    "baz",
					Names: []string{"/k8s_baz.1234_qux_ns_1234_42"},
				},
			},
			[]docker.APIContainers{
				{
					ID:    "barfoo",
					Names: []string{"/k8s_barfoo.1234_qux_ns_1234_42"},
				},
				{
					ID:    "bazbaz",
					Names: []string{"/k8s_bazbaz.1234_qux_ns_5678_42"},
				},
			},
			true,
			[]*kubecontainer.Pod{
				{
					ID:        "1234",
					Name:      "qux",
					Namespace: "ns",
//.........这里部分代码省略.........