func register()

in google_guest_agent/service.go [62:110]

• 46 lines of code
• 12 McCabe index (conditional complexity)

func register(ctx context.Context, name, displayName, desc string, run func(context.Context), action string) error {
	svcConfig := &service.Config{
		Name:        name,
		DisplayName: displayName,
		Description: desc,
	}

	ctx, cancel := context.WithCancel(ctx)
	done := make(chan struct{})

	prg := &program{
		run:     run,
		ctx:     ctx,
		cancel:  cancel,
		done:    done,
		timeout: 15 * time.Second,
	}
	svc, err := service.New(prg, svcConfig)
	if err != nil {
		return err
	}

	switch action {
	case "run":
		return svc.Run()
	case "install":
		if err := svc.Install(); err != nil {
			return fmt.Errorf("failed to install service %s: %s", name, err)
		}
	case "remove":
		if err := svc.Uninstall(); err != nil {
			return fmt.Errorf("failed to remove service %s: %s", name, err)
		}
	case "start":
		if err := svc.Start(); err != nil {
			return fmt.Errorf("failed to start service %s: %s", name, err)
		}
	case "stop":
		if err := svc.Stop(); err != nil {
			return fmt.Errorf("failed to stop service %s: %s", name, err)
		}
	case "help":
		usage(name)
	default:
		fmt.Printf("%q is not a valid argument.\n", action)
		usage(name)
	}
	return nil
}