Exemplo n.º 1
0
func (b *Builder) pullImage(name string) (*imagepkg.Image, error) {
	remote, tag := parsers.ParseRepositoryTag(name)
	if tag == "" {
		tag = "latest"
	}

	pullRegistryAuth := b.AuthConfig
	if len(b.ConfigFile.AuthConfigs) > 0 {
		// The request came with a full auth config file, we prefer to use that
		repoInfo, err := b.Daemon.RegistryService.ResolveRepository(remote)
		if err != nil {
			return nil, err
		}
		resolvedAuth := registry.ResolveAuthConfig(b.ConfigFile, repoInfo.Index)
		pullRegistryAuth = &resolvedAuth
	}

	imagePullConfig := &graph.ImagePullConfig{
		AuthConfig: pullRegistryAuth,
		OutStream:  ioutils.NopWriteCloser(b.OutOld),
	}

	if err := b.Daemon.Repositories().Pull(remote, tag, imagePullConfig); err != nil {
		return nil, err
	}

	image, err := b.Daemon.Repositories().LookupImage(name)
	if err != nil {
		return nil, err
	}

	return image, nil
}
Exemplo n.º 2
0
// register makes a container object usable by the daemon as <container.ID>
func (daemon *Daemon) register(container *Container, updateSuffixarray bool) error {
	if container.daemon != nil || daemon.Exists(container.ID) {
		return fmt.Errorf("Container is already loaded")
	}
	if err := validateID(container.ID); err != nil {
		return err
	}
	if err := daemon.ensureName(container); err != nil {
		return err
	}
	if daemon == nil {
		glog.Error("daemon can not be nil")
		return fmt.Errorf("daemon can not be nil")
	}

	container.daemon = daemon

	// Attach to stdout and stderr
	container.stderr = broadcastwriter.New()
	container.stdout = broadcastwriter.New()
	// Attach to stdin
	if container.Config.OpenStdin {
		container.stdin, container.stdinPipe = io.Pipe()
	} else {
		container.stdinPipe = ioutils.NopWriteCloser(ioutil.Discard) // Silently drop stdin
	}
	// done
	daemon.containers.Add(container.ID, container)

	// don't update the Suffixarray if we're starting up
	// we'll waste time if we update it for every container
	daemon.idIndex.Add(container.ID)

	if container.IsRunning() {
		glog.Infof("killing old running container %s", container.ID)

		container.SetStopped(&ExitStatus{ExitCode: 0})

		if err := container.Unmount(); err != nil {
			glog.V(1).Infof("unmount error %s", err)
		}
		if err := container.ToDisk(); err != nil {
			glog.V(1).Infof("saving stopped state to disk %s", err)
		}
	}

	return nil
}