func (f *fakeRuntimeHelper) GenerateRunContainerOptions(pod *api.Pod, container *api.Container, podIP string) (*kubecontainer.RunContainerOptions, error) {
	var opts kubecontainer.RunContainerOptions
	if len(container.TerminationMessagePath) != 0 {
		testPodContainerDir, err := ioutil.TempDir("", "fooPodContainerDir")
		if err != nil {
			return nil, err
		}
		opts.PodContainerDir = testPodContainerDir
	}
	return &opts, nil
}
Exemplo n.º 2
0
func makeContainerLogMount(opts *kubecontainer.RunContainerOptions, container *api.Container) (*kubecontainer.Mount, error) {
	if opts.PodContainerDir == "" || container.TerminationMessagePath == "" {
		return nil, nil
	}

	// In docker runtime, the container log path contains the container ID.
	// However, for rkt runtime, we cannot get the container ID before the
	// the container is launched, so here we generate a random uuid to enable
	// us to map a container's termination message path to an unique log file
	// on the disk.
	randomUID := util.NewUUID()
	containerLogPath := path.Join(opts.PodContainerDir, string(randomUID))
	fs, err := os.Create(containerLogPath)
	if err != nil {
		return nil, err
	}

	if err := fs.Close(); err != nil {
		return nil, err
	}

	mnt := &kubecontainer.Mount{
		// Use a random name for the termination message mount, so that
		// when a container restarts, it will not overwrite the old termination
		// message.
		Name:          fmt.Sprintf("termination-message-%s", randomUID),
		ContainerPath: container.TerminationMessagePath,
		HostPath:      containerLogPath,
		ReadOnly:      false,
	}
	opts.Mounts = append(opts.Mounts, *mnt)

	return mnt, nil
}