Function TestGetContainerState

libcontainer/container_linux_test.go:149–230

(t *testing.T)

}

func TestGetContainerState(t *testing.T) {
	var (
		pid                 = os.Getpid()
		expectedMemoryPath  = "/sys/fs/cgroup/memory/myid"
		expectedNetworkPath = fmt.Sprintf("/proc/%d/ns/net", pid)
	)
	container := &Container{
		id: "myid",
		config: &configs.Config{
			Namespaces: []configs.Namespace{
				{Type: configs.NEWPID},
				{Type: configs.NEWNS},
				{Type: configs.NEWNET, Path: expectedNetworkPath},
				{Type: configs.NEWUTS},
				// emulate host for IPC
				//{Type: configs.NEWIPC},
				{Type: configs.NEWCGROUP},
			},
		},
		initProcess: &mockProcess{
			_pid:    pid,
			started: 10,
		},
		cgroupManager: &mockCgroupManager{
			pids: []int{1, 2, 3},
			paths: map[string]string{
				"memory": expectedMemoryPath,
			},
		},
	}
	container.state = &createdState{c: container}
	state, err := container.State()
	if err != nil {
		t.Fatal(err)
	}
	if state.InitProcessPid != pid {
		t.Fatalf("expected pid %d but received %d", pid, state.InitProcessPid)
	}
	if state.InitProcessStartTime != 10 {
		t.Fatalf("expected process start time 10 but received %d", state.InitProcessStartTime)
	}
	paths := state.CgroupPaths
	if paths == nil {
		t.Fatal("cgroup paths should not be nil")
	}
	if memPath := paths["memory"]; memPath != expectedMemoryPath {
		t.Fatalf("expected memory path %q but received %q", expectedMemoryPath, memPath)
	}
	for _, ns := range container.config.Namespaces {
		path := state.NamespacePaths[ns.Type]
		if path == "" {
			t.Fatalf("expected non nil namespace path for %s", ns.Type)
		}
		if ns.Type == configs.NEWNET {
			if path != expectedNetworkPath {
				t.Fatalf("expected path %q but received %q", expectedNetworkPath, path)
			}
		} else {