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, err := daemon.Get(name)
	if err != nil {
		return job.Error(err)
	}

	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
}

// 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() {
		endpoint, err := NewEndpoint(addr)
		if err != nil {
			return job.Error(err)
		}
		if _, err := endpoint.Ping(); err != nil {
			return job.Error(err)
		}
		authConfig.ServerAddress = endpoint.String()
	}
	status, err := Login(authConfig, HTTPRequestFactory(nil))
	if err != nil {
		return job.Error(err)
	}
	job.Printf("%s\n", status)
	return engine.StatusOK
}

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 < 4194304 {
		return job.Errorf("Minimum memory limit allowed is 4MB")
	}
	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
	}
	if config.Memory > 0 && config.MemorySwap > 0 && config.MemorySwap < config.Memory {
		return job.Errorf("Minimum memoryswap limit should be larger than memory limit, see usage.\n")
	}
	if config.Memory == 0 && config.MemorySwap > 0 {
		return job.Errorf("You should always set the Memory limit when using Memoryswap limit, see usage.\n")
	}

	var hostConfig *runconfig.HostConfig
	if job.EnvExists("HostConfig") {
		hostConfig = runconfig.ContainerHostConfigFromJob(job)
	} else {
		// Older versions of the API don't provide a HostConfig.
		hostConfig = nil
	}

	container, buildWarnings, err := daemon.Create(config, hostConfig, 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")

	job.Printf("%s\n", container.ID)

	for _, warning := range buildWarnings {
		job.Errorf("%s\n", warning)
	}

	return engine.StatusOK
}

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)
	hostConfig := runconfig.ContainerHostConfigFromJob(job)

	if len(hostConfig.LxcConf) > 0 && !strings.Contains(daemon.ExecutionDriver().Name(), "lxc") {
		return job.Errorf("Cannot use --lxc-conf with execdriver: %s", daemon.ExecutionDriver().Name())
	}
	if hostConfig.Memory != 0 && hostConfig.Memory < 4194304 {
		return job.Errorf("Minimum memory limit allowed is 4MB")
	}
	if hostConfig.Memory > 0 && !daemon.SystemConfig().MemoryLimit {
		job.Errorf("Your kernel does not support memory limit capabilities. Limitation discarded.\n")
		hostConfig.Memory = 0
	}
	if hostConfig.Memory > 0 && hostConfig.MemorySwap != -1 && !daemon.SystemConfig().SwapLimit {
		job.Errorf("Your kernel does not support swap limit capabilities. Limitation discarded.\n")
		hostConfig.MemorySwap = -1
	}
	if hostConfig.Memory > 0 && hostConfig.MemorySwap > 0 && hostConfig.MemorySwap < hostConfig.Memory {
		return job.Errorf("Minimum memoryswap limit should be larger than memory limit, see usage.\n")
	}
	if hostConfig.Memory == 0 && hostConfig.MemorySwap > 0 {
		return job.Errorf("You should always set the Memory limit when using Memoryswap limit, see usage.\n")
	}

	container, buildWarnings, err := daemon.Create(config, hostConfig, 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")

	job.Printf("%s\n", container.ID)

	for _, warning := range buildWarnings {
		job.Errorf("%s\n", warning)
	}

	return engine.StatusOK
}

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 < 4194304 {
		return job.Errorf("Minimum memory limit allowed is 4MB")
	}
	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
	}

	var hostConfig *runconfig.HostConfig
	if job.EnvExists("HostConfig") {
		hostConfig = runconfig.ContainerHostConfigFromJob(job)
	} else {
		// Older versions of the API don't provide a HostConfig.
		hostConfig = nil
	}

	container, buildWarnings, err := daemon.Create(config, hostConfig, 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
}

func (srv *Server) ContainerWait(job *engine.Job) engine.Status {
	if len(job.Args) != 1 {
		return job.Errorf("Usage: %s", job.Name)
	}
	name := job.Args[0]
	if container := srv.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) ContainerWait(job *engine.Job) error {
	if len(job.Args) != 1 {
		return fmt.Errorf("Usage: %s", job.Name)
	}
	name := job.Args[0]
	container, err := daemon.Get(name)
	if err != nil {
		return fmt.Errorf("%s: %v", job.Name, err)
	}
	status, _ := container.WaitStop(-1 * time.Second)
	job.Printf("%d\n", status)
	return nil
}

func (d *Daemon) ContainerExecCreate(job *engine.Job) error {
	if len(job.Args) != 1 {
		return fmt.Errorf("Usage: %s [options] container command [args]", job.Name)
	}

	if strings.HasPrefix(d.execDriver.Name(), lxc.DriverName) {
		return lxc.ErrExec
	}

	var name = job.Args[0]

	container, err := d.getActiveContainer(name)
	if err != nil {
		return err
	}

	config, err := runconfig.ExecConfigFromJob(job)
	if err != nil {
		return err
	}

	cmd := runconfig.NewCommand(config.Cmd...)
	entrypoint, args := d.getEntrypointAndArgs(runconfig.NewEntrypoint(), cmd)

	processConfig := execdriver.ProcessConfig{
		Tty:        config.Tty,
		Entrypoint: entrypoint,
		Arguments:  args,
		User:       config.User,
		Privileged: config.Privileged,
	}

	execConfig := &execConfig{
		ID:            stringid.GenerateRandomID(),
		OpenStdin:     config.AttachStdin,
		OpenStdout:    config.AttachStdout,
		OpenStderr:    config.AttachStderr,
		StreamConfig:  StreamConfig{},
		ProcessConfig: processConfig,
		Container:     container,
		Running:       false,
	}

	container.LogEvent("exec_create: " + execConfig.ProcessConfig.Entrypoint + " " + strings.Join(execConfig.ProcessConfig.Arguments, " "))

	d.registerExecCommand(execConfig)

	job.Printf("%s\n", execConfig.ID)

	return nil
}

func (d *Daemon) ContainerExecCreate(job *engine.Job) engine.Status {
	if len(job.Args) != 1 {
		return job.Errorf("Usage: %s [options] container command [args]", job.Name)
	}

	if strings.HasPrefix(d.execDriver.Name(), lxc.DriverName) {
		return job.Error(lxc.ErrExec)
	}

	var name = job.Args[0]

	container, err := d.getActiveContainer(name)
	if err != nil {
		return job.Error(err)
	}

	config, err := runconfig.ExecConfigFromJob(job)
	if err != nil {
		return job.Error(err)
	}

	entrypoint, args := d.getEntrypointAndArgs(nil, config.Cmd)

	processConfig := execdriver.ProcessConfig{
		Tty:        config.Tty,
		Entrypoint: entrypoint,
		Arguments:  args,
	}

	execConfig := &execConfig{
		ID:            utils.GenerateRandomID(),
		OpenStdin:     config.AttachStdin,
		OpenStdout:    config.AttachStdout,
		OpenStderr:    config.AttachStderr,
		StreamConfig:  StreamConfig{},
		ProcessConfig: processConfig,
		Container:     container,
		Running:       false,
	}

	d.registerExecCommand(execConfig)

	job.Printf("%s\n", execConfig.ID)

	return engine.StatusOK
}

func (srv *Server) 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 && !srv.daemon.SystemConfig().MemoryLimit {
		job.Errorf("Your kernel does not support memory limit capabilities. Limitation discarded.\n")
		config.Memory = 0
	}
	if config.Memory > 0 && !srv.daemon.SystemConfig().SwapLimit {
		job.Errorf("Your kernel does not support swap limit capabilities. Limitation discarded.\n")
		config.MemorySwap = -1
	}
	container, buildWarnings, err := srv.daemon.Create(config, name)
	if err != nil {
		if srv.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 && srv.daemon.SystemConfig().IPv4ForwardingDisabled {
		job.Errorf("IPv4 forwarding is disabled.\n")
	}
	srv.LogEvent("create", container.ID, srv.daemon.Repositories().ImageName(container.Image))
	// 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
}

func ContainerCreate(job *engine.Job) engine.Status {
	configuration := job.Eng.Hack_GetGlobalVar("configuration").(types.KraneConfiguration)
	config := runconfig.ContainerConfigFromJob(job)

	if len(job.Args) != 2 {
		return job.Errorf("Usage: %s CONTAINER\n", job.Name)
	}

	ship := configuration.Production.Fleet.Find(job.Args[1])

	containerValues := url.Values{}
	containerValues.Set("name", job.Args[0])

	cli := client.NewKraneClientApi(ship, false, job)

	stream, statusCode, err := cli.Call("POST", "/containers/create?"+containerValues.Encode(), config, false)

	if statusCode == 404 {
		job.Printf("Unable to find image '%s' in %s://%s:%d\n", config.Image, ship.Schema, ship.Fqdn, ship.Port)

		if err = pullImage(job, config.Image, ship); err != nil {
			return job.Errorf("Cannot pull image %s: %s\n", config.Image, err)
		}
		if stream, _, err = cli.Call("POST", "/containers/create?"+containerValues.Encode(), config, false); err != nil {
			return job.Errorf("Cannot create container: %s\n", err)
		}
	} else if err != nil {
		return job.Errorf("Cannot create container: %s\n", err)
	}

	var runResult engine.Env

	if err := runResult.Decode(stream); err != nil {
		return job.Errorf("Error with container: %s\n", err)
	}

	for _, warning := range runResult.GetList("Warnings") {
		job.Stdout.Write([]byte(fmt.Sprintf("WARNING: %s\n", warning)))
	}

	job.Stdout.Write([]byte(runResult.Get("Id")))

	return engine.StatusOK
}

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

	container, err := daemon.Get(name)
	if err != nil {
		return err
	}

	var (
		config       = container.Config
		stdoutBuffer = bytes.NewBuffer(nil)
		newConfig    runconfig.Config
	)

	buildConfigJob := daemon.eng.Job("build_config")
	buildConfigJob.Stdout.Add(stdoutBuffer)
	buildConfigJob.Setenv("changes", job.Getenv("changes"))
	// FIXME this should be remove when we remove deprecated config param
	buildConfigJob.Setenv("config", job.Getenv("config"))

	if err := buildConfigJob.Run(); err != nil {
		return err
	}
	if err := json.NewDecoder(stdoutBuffer).Decode(&newConfig); err != nil {
		return err
	}

	if err := runconfig.Merge(&newConfig, config); err != nil {
		return 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 err
	}
	job.Printf("%s\n", img.ID)
	return nil
}

// 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 (
		authConfig = new(AuthConfig)
		endpoint   *Endpoint
		index      *IndexInfo
		status     string
		err        error
	)

	job.GetenvJson("authConfig", authConfig)

	addr := authConfig.ServerAddress
	if addr == "" {
		// Use the official registry address if not specified.
		addr = IndexServerAddress()
	}

	if index, err = ResolveIndexInfo(job, addr); err != nil {
		return job.Error(err)
	}

	if endpoint, err = NewEndpoint(index); err != nil {
		log.Errorf("unable to get new registry endpoint: %s", err)
		return job.Error(err)
	}

	authConfig.ServerAddress = endpoint.String()

	if status, err = Login(authConfig, endpoint, HTTPRequestFactory(nil)); err != nil {
		log.Errorf("unable to login against registry endpoint %s: %s", endpoint, err)
		return job.Error(err)
	}

	log.Infof("successful registry login for endpoint %s: %s", endpoint, status)
	job.Printf("%s\n", status)

	return engine.StatusOK
}

func (daemon *Daemon) ContainerRestore(job *engine.Job) engine.Status {
	if len(job.Args) != 2 {
		return job.Errorf("Usage: %s CONTAINER CHECKPOINT_ID", job.Name)
	}
	name := job.Args[0]

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

	checkpointID := job.Args[1]
	checkpoint := container.Checkpoints[checkpointID]
	if checkpoint == nil {
		return job.Errorf("No such checkpoint %s for container %s", checkpointID, container.ID)
	}

	containerClone, err := daemon.cloneContainer(container, checkpoint.ImageID)
	if err != nil {
		return job.Error(err)
	}
	log.Infof("cloned container ID=%s", containerClone.ID)

	checkpoint, err = checkpoint.clone(containerClone)
	// defer checkpoint.cleanFiles()
	if err != nil {
		return job.Error(err)
	}

	if err := containerClone.Restore(checkpoint, job.GetenvBool("clone")); err != nil {
		return job.Errorf("Cannot restore container %s: %s", name, err)
	}
	containerClone.LogEvent("restore")
	job.Printf("%s\n", containerClone.ID)

	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 authConfig = new(AuthConfig)

	job.GetenvJson("authConfig", authConfig)

	if addr := authConfig.ServerAddress; addr != "" && addr != IndexServerAddress() {
		endpoint, err := NewEndpoint(addr, s.insecureRegistries)
		if err != nil {
			return job.Error(err)
		}
		if _, err := endpoint.Ping(); err != nil {
			return job.Error(err)
		}
		authConfig.ServerAddress = endpoint.String()
	}

	status, err := Login(authConfig, HTTPRequestFactory(nil))
	if err != nil {
		return job.Error(err)
	}
	job.Printf("%s\n", status)

	return engine.StatusOK
}