Golang Pod.PodManifest方法代码示例

// getAppName returns the app name to enter
// If one was supplied in the flags then it's simply returned
// If the PM contains a single app, that app's name is returned
// If the PM has multiple apps, the names are printed and an error is returned
func getAppName(p *pkgPod.Pod) (*types.ACName, error) {
	if flagAppName != "" {
		return types.NewACName(flagAppName)
	}

	// figure out the app name, or show a list if multiple are present
	_, m, err := p.PodManifest()
	if err != nil {
		return nil, errwrap.Wrap(errors.New("error reading pod manifest"), err)
	}

	switch len(m.Apps) {
	case 0:
		return nil, fmt.Errorf("pod contains zero apps")
	case 1:
		return &m.Apps[0].Name, nil
	default:
	}

	stderr.Print("pod contains multiple apps:")
	for _, ra := range m.Apps {
		stderr.Printf("\t%v", ra.Name)
	}

	return nil, fmt.Errorf("specify app using \"rkt enter --app= ...\"")
}

func (s *v1AlphaAPIServer) getBasicPodFromDisk(p *pkgPod.Pod) (*v1alpha.Pod, error) {
	pod := &v1alpha.Pod{Id: p.UUID.String()}

	data, manifest, err := p.PodManifest()
	if err != nil {
		stderr.PrintE(fmt.Sprintf("failed to get the pod manifest for pod %q", p.UUID), err)
	} else {
		pod.Annotations = convertAnnotationsToKeyValue(manifest.Annotations)
		pod.Apps = getApplist(manifest)
		pod.Manifest = data
		err = fillStaticAppInfo(s.store, p, pod)
	}

	return pod, err
}

// getExitStatuses returns a map of the statuses of the pod.
func getExitStatuses(p *pkgPod.Pod) (map[string]int, error) {
	_, manifest, err := p.PodManifest()
	if err != nil {
		return nil, err
	}

	stats := make(map[string]int)
	for _, app := range manifest.Apps {
		exitCode, err := p.AppExitCode(app.Name.String())
		if err != nil {
			continue
		}
		stats[app.Name.String()] = exitCode
	}
	return stats, nil
}

// NewPodFromInternalPod converts *pkgPod.Pod to *Pod
func NewPodFromInternalPod(p *pkgPod.Pod) (*Pod, error) {
	pod := &Pod{
		UUID:     p.UUID.String(),
		State:    p.State(),
		Networks: p.Nets,
	}

	startTime, err := p.StartTime()
	if err != nil {
		return nil, err
	}

	if !startTime.IsZero() {
		startedAt := startTime.Unix()
		pod.StartedAt = &startedAt
	}

	if !p.PodManifestAvailable() {
		return pod, nil
	}
	// TODO(vc): we should really hold a shared lock here to prevent gc of the pod
	_, manifest, err := p.PodManifest()
	if err != nil {
		return nil, err
	}

	for _, app := range manifest.Apps {
		pod.AppNames = append(pod.AppNames, app.Name.String())
	}

	if len(manifest.UserAnnotations) > 0 {
		pod.UserAnnotations = make(map[string]string)
		for name, value := range manifest.UserAnnotations {
			pod.UserAnnotations[name] = value
		}
	}

	if len(manifest.UserLabels) > 0 {
		pod.UserLabels = make(map[string]string)
		for name, value := range manifest.UserLabels {
			pod.UserLabels[name] = value
		}
	}

	return pod, nil
}

// getApp returns the app to export
// If one was supplied in the flags then it's returned if present
// If the PM contains a single app, that app is returned
// If the PM has multiple apps, the names are printed and an error is returned
func getApp(p *pkgPod.Pod) (*schema.RuntimeApp, error) {
	_, manifest, err := p.PodManifest()
	if err != nil {
		return nil, errwrap.Wrap(errors.New("problem getting the pod's manifest"), err)
	}

	apps := manifest.Apps

	if flagExportAppName != "" {
		exportAppName, err := types.NewACName(flagExportAppName)
		if err != nil {
			return nil, err
		}
		for _, ra := range apps {
			if *exportAppName == ra.Name {
				return &ra, nil
			}
		}
		return nil, fmt.Errorf("app %s is not present in pod", flagExportAppName)
	}

	switch len(apps) {
	case 0:
		return nil, fmt.Errorf("pod contains zero apps")
	case 1:
		return &apps[0], nil
	default:
	}

	stderr.Print("pod contains multiple apps:")
	for _, ra := range apps {
		stderr.Printf("\t%v", ra.Name)
	}

	return nil, fmt.Errorf("specify app using \"rkt export --app= ...\"")
}