containers: &corev1.Pod{Spec: corev1.PodSpec{Containers: []corev1.Container{app, proxy}}},
			want:       &proxy,
		},
		{
			name:       "no-sidecar",
			containers: &corev1.Pod{Spec: corev1.PodSpec{Containers: []corev1.Container{app}}},
			want:       nil,
		},
		{
			name:       "init-sidecar",
			containers: &corev1.Pod{Spec: corev1.PodSpec{InitContainers: []corev1.Container{proxy}, Containers: []corev1.Container{app}}},

// state of the container.
type Container struct {
	// The ID of the container, used by the container runtime to identify
	// a container.
	ID ContainerID
	// The name of the container, which should be the same as specified by
	// v1.Container.
	Name string
	// The image name of the container, this also includes the tag of the image,
	// the expected form is "NAME:TAG".
	Image string

		},
		{
			name: "Pod with HostProcess containers and HostNetwork not set",
			podSpec: &v1.PodSpec{
				SecurityContext: &v1.PodSecurityContext{
					WindowsOptions: &v1.WindowsSecurityContextOptions{
						HostProcess: &trueVar,
					},
				},
				Containers: []v1.Container{{
					Name: containerName,
				}},
			},

	noInitContainer := &v1.PodSpec{}
	oneInitContainer := &v1.PodSpec{
		InitContainers: []v1.Container{
			{Name: "1234"},
		},
		Containers: []v1.Container{
			{Name: "regular"},
		},
	}
	twoInitContainer := &v1.PodSpec{
		InitContainers: []v1.Container{
			{Name: "1234"},
			{Name: "5678"},
		},
		Containers: []v1.Container{
			{Name: "regular"},
		},
	}
	oneRestartableInitContainer := &v1.PodSpec{

	testCases := []struct {
		name       string
		containers []v1.Container
		port       intstr.IntOrString
		expected   int
		pass       bool
	}{{
		name:       "valid int, no ports",
		containers: []v1.Container{{}},
		port:       intstr.FromInt32(93),
		expected:   93,
		pass:       true,
	}, {
		name: "valid int, with ports",
		containers: []v1.Container{{Ports: []v1.ContainerPort{{
			Name:          "",

		var activePods []*v1.Pod
		for p := range tc.assignments {
			pod := v1.Pod{}
			pod.UID = types.UID(p)
			for c := range tc.assignments[p] {
				container := v1.Container{}
				container.Name = c
				pod.Spec.Containers = append(pod.Spec.Containers, container)
			}
			activePods = append(activePods, &pod)
		}

		m := manager{
			policy: &staticPolicy{
				topology: topology,
			},

	return v1.Container{
		Name:      name,
		Resources: getResourceRequirements(requests, limits),
	}
}

func newPod(name string, containers []v1.Container) *v1.Pod {
	return &v1.Pod{
		ObjectMeta: metav1.ObjectMeta{
			Name: name,
		},
		Spec: v1.PodSpec{
			Containers: containers,
		},
	}
}

	}

	var mainContainerChannels []chan struct{}
	// sidecar containers need to wait on main containers, so we create a channel per main container
	// for them to wait on
	for _, c := range pod.Spec.Containers {
		channel := make(chan struct{})
		to.terminated[c.Name] = channel
		mainContainerChannels = append(mainContainerChannels, channel)

		// if its not a running container, pre-close the channel so nothing waits on it

		Command:     container.Command,
		Args:        []string(nil),
		WorkingDir:  container.WorkingDir,
		Labels:      newContainerLabels(container, pod),
		Annotations: newContainerAnnotations(container, pod, restartCount, opts),
		Devices:     makeDevices(opts),
		Mounts:      m.makeMounts(opts, container),
		LogPath:     containerLogsPath,
		Stdin:       container.Stdin,
		StdinOnce:   container.StdinOnce,

A container image is comparable to the **program** file and contents, e.g. `python` and some file `main.py`.