Golang Job.Printf方法代碼示例

func (daemon *Daemon) ContainerCommit(job *engine.Job) engine.Status {
	if len(job.Args) != 1 {
		return job.Errorf("Not enough arguments. Usage: %s CONTAINER\n", job.Name)
	}
	name := job.Args[0]

	container := daemon.Get(name)
	if container == nil {
		return job.Errorf("No such container: %s", name)
	}

	var (
		config    = container.Config
		newConfig runconfig.Config
	)

	if err := job.GetenvJson("config", &newConfig); err != nil {
		return job.Error(err)
	}

	if err := runconfig.Merge(&newConfig, config); err != nil {
		return job.Error(err)
	}

	img, err := daemon.Commit(container, job.Getenv("repo"), job.Getenv("tag"), job.Getenv("comment"), job.Getenv("author"), job.GetenvBool("pause"), &newConfig)
	if err != nil {
		return job.Error(err)
	}
	job.Printf("%s\n", img.ID)
	return engine.StatusOK
}

func (daemon *Daemon) ContainerWait(job *engine.Job) engine.Status {
	if len(job.Args) != 1 {
		return job.Errorf("Usage: %s", job.Name)
	}
	name := job.Args[0]
	if container := daemon.Get(name); container != nil {
		status, _ := container.State.WaitStop(-1 * time.Second)
		job.Printf("%d\n", status)
		return engine.StatusOK
	}
	return job.Errorf("%s: no such container: %s", job.Name, name)
}

func (daemon *Daemon) ContainerCreate(job *engine.Job) engine.Status {
	var name string
	if len(job.Args) == 1 {
		name = job.Args[0]
	} else if len(job.Args) > 1 {
		return job.Errorf("Usage: %s", job.Name)
	}
	config := runconfig.ContainerConfigFromJob(job)
	if config.Memory != 0 && config.Memory < 524288 {
		return job.Errorf("Minimum memory limit allowed is 512k")
	}
	if config.Memory > 0 && !daemon.SystemConfig().MemoryLimit {
		job.Errorf("Your kernel does not support memory limit capabilities. Limitation discarded.\n")
		config.Memory = 0
	}
	if config.Memory > 0 && !daemon.SystemConfig().SwapLimit {
		job.Errorf("Your kernel does not support swap limit capabilities. Limitation discarded.\n")
		config.MemorySwap = -1
	}
	container, buildWarnings, err := daemon.Create(config, name)
	if err != nil {
		if daemon.Graph().IsNotExist(err) {
			_, tag := parsers.ParseRepositoryTag(config.Image)
			if tag == "" {
				tag = graph.DEFAULTTAG
			}
			return job.Errorf("No such image: %s (tag: %s)", config.Image, tag)
		}
		return job.Error(err)
	}
	if !container.Config.NetworkDisabled && daemon.SystemConfig().IPv4ForwardingDisabled {
		job.Errorf("IPv4 forwarding is disabled.\n")
	}
	container.LogEvent("create")
	// FIXME: this is necessary because daemon.Create might return a nil container
	// with a non-nil error. This should not happen! Once it's fixed we
	// can remove this workaround.
	if container != nil {
		job.Printf("%s\n", container.ID)
	}
	for _, warning := range buildWarnings {
		job.Errorf("%s\n", warning)
	}
	return engine.StatusOK
}

// Auth contacts the public registry with the provided credentials,
// and returns OK if authentication was sucessful.
// It can be used to verify the validity of a client's credentials.
func (s *Service) Auth(job *engine.Job) engine.Status {
	var (
		err        error
		authConfig = &AuthConfig{}
	)

	job.GetenvJson("authConfig", authConfig)
	// TODO: this is only done here because auth and registry need to be merged into one pkg
	if addr := authConfig.ServerAddress; addr != "" && addr != IndexServerAddress() {
		addr, err = ExpandAndVerifyRegistryUrl(addr)
		if err != nil {
			return job.Error(err)
		}
		authConfig.ServerAddress = addr
	}
	status, err := Login(authConfig, HTTPRequestFactory(nil))
	if err != nil {
		return job.Error(err)
	}
	job.Printf("%s\n", status)
	return engine.StatusOK
}