Golang xfer.NewLayerUploadManager函数代码示例

//.........这里部分代码省略.........
			return nil, fmt.Errorf("error finding the logging driver: %v", err)
		}
	}
	logrus.Debugf("Using default logging driver %s", config.LogConfig.Type)

	// Configure and validate the kernels security support
	if err := configureKernelSecuritySupport(config, d.driver.String()); err != nil {
		return nil, err
	}

	daemonRepo := filepath.Join(config.Root, "containers")

	if err := idtools.MkdirAllAs(daemonRepo, 0700, rootUID, rootGID); err != nil && !os.IsExist(err) {
		return nil, err
	}

	// Migrate the container if it is aufs and aufs is enabled
	if err := migrateIfDownlevel(d.driver, config.Root); err != nil {
		return nil, err
	}

	imageRoot := filepath.Join(config.Root, "image", d.driver.String())
	fms, err := layer.NewFSMetadataStore(filepath.Join(imageRoot, "layerdb"))
	if err != nil {
		return nil, err
	}

	d.layerStore, err = layer.NewStore(fms, d.driver)
	if err != nil {
		return nil, err
	}

	d.downloadManager = xfer.NewLayerDownloadManager(d.layerStore, maxDownloadConcurrency)
	d.uploadManager = xfer.NewLayerUploadManager(maxUploadConcurrency)

	ifs, err := image.NewFSStoreBackend(filepath.Join(imageRoot, "imagedb"))
	if err != nil {
		return nil, err
	}

	d.imageStore, err = image.NewImageStore(ifs, d.layerStore)
	if err != nil {
		return nil, err
	}

	// Configure the volumes driver
	volStore, err := configureVolumes(config, rootUID, rootGID)
	if err != nil {
		return nil, err
	}

	trustKey, err := api.LoadOrCreateTrustKey(config.TrustKeyPath)
	if err != nil {
		return nil, err
	}

	trustDir := filepath.Join(config.Root, "trust")

	if err := system.MkdirAll(trustDir, 0700); err != nil {
		return nil, err
	}

	distributionMetadataStore, err := dmetadata.NewFSMetadataStore(filepath.Join(imageRoot, "distribution"))
	if err != nil {
		return nil, err
	}

//.........这里部分代码省略.........
	}
	logrus.Debugf("Using default logging driver %s", config.LogConfig.Type)

	daemonRepo := filepath.Join(config.Root, "containers")
	if err := idtools.MkdirAllAs(daemonRepo, 0700, rootUID, rootGID); err != nil && !os.IsExist(err) {
		return nil, err
	}

	driverName := os.Getenv("DOCKER_DRIVER")
	if driverName == "" {
		driverName = config.GraphDriver
	}
	d.layerStore, err = layer.NewStoreFromOptions(layer.StoreOptions{
		StorePath:                 config.Root,
		MetadataStorePathTemplate: filepath.Join(config.Root, "image", "%s", "layerdb"),
		GraphDriver:               driverName,
		GraphDriverOptions:        config.GraphOptions,
		UIDMaps:                   uidMaps,
		GIDMaps:                   gidMaps,
	})
	if err != nil {
		return nil, err
	}

	graphDriver := d.layerStore.DriverName()
	imageRoot := filepath.Join(config.Root, "image", graphDriver)

	// Configure and validate the kernels security support
	if err := configureKernelSecuritySupport(config, graphDriver); err != nil {
		return nil, err
	}

	d.downloadManager = xfer.NewLayerDownloadManager(d.layerStore, maxDownloadConcurrency)
	d.uploadManager = xfer.NewLayerUploadManager(maxUploadConcurrency)

	ifs, err := image.NewFSStoreBackend(filepath.Join(imageRoot, "imagedb"))
	if err != nil {
		return nil, err
	}

	d.imageStore, err = image.NewImageStore(ifs, d.layerStore)
	if err != nil {
		return nil, err
	}

	// Configure the volumes driver
	volStore, err := configureVolumes(config, rootUID, rootGID)
	if err != nil {
		return nil, err
	}

	trustKey, err := api.LoadOrCreateTrustKey(config.TrustKeyPath)
	if err != nil {
		return nil, err
	}

	trustDir := filepath.Join(config.Root, "trust")

	if err := system.MkdirAll(trustDir, 0700); err != nil {
		return nil, err
	}

	distributionMetadataStore, err := dmetadata.NewFSMetadataStore(filepath.Join(imageRoot, "distribution"))
	if err != nil {
		return nil, err
	}

//.........这里部分代码省略.........
	installDefaultAppArmorProfile()
	daemonRepo := filepath.Join(config.Root, "containers")
	if err := idtools.MkdirAllAs(daemonRepo, 0700, rootUID, rootGID); err != nil && !os.IsExist(err) {
		return nil, err
	}

	driverName := os.Getenv("DOCKER_DRIVER")
	if driverName == "" {
		driverName = config.GraphDriver
	}
	d.layerStore, err = layer.NewStoreFromOptions(layer.StoreOptions{
		StorePath:                 config.Root,
		MetadataStorePathTemplate: filepath.Join(config.Root, "image", "%s", "layerdb"),
		GraphDriver:               driverName,
		GraphDriverOptions:        config.GraphOptions,
		UIDMaps:                   uidMaps,
		GIDMaps:                   gidMaps,
	})
	if err != nil {
		return nil, err
	}

	graphDriver := d.layerStore.DriverName()
	imageRoot := filepath.Join(config.Root, "image", graphDriver)

	// Configure and validate the kernels security support
	if err := configureKernelSecuritySupport(config, graphDriver); err != nil {
		return nil, err
	}

	logrus.Debugf("Max Concurrent Downloads: %d", *config.MaxConcurrentDownloads)
	d.downloadManager = xfer.NewLayerDownloadManager(d.layerStore, *config.MaxConcurrentDownloads)
	logrus.Debugf("Max Concurrent Uploads: %d", *config.MaxConcurrentUploads)
	d.uploadManager = xfer.NewLayerUploadManager(*config.MaxConcurrentUploads)

	ifs, err := image.NewFSStoreBackend(filepath.Join(imageRoot, "imagedb"))
	if err != nil {
		return nil, err
	}

	d.imageStore, err = image.NewImageStore(ifs, d.layerStore)
	if err != nil {
		return nil, err
	}

	// Configure the volumes driver
	volStore, err := d.configureVolumes(rootUID, rootGID)
	if err != nil {
		return nil, err
	}

	trustKey, err := api.LoadOrCreateTrustKey(config.TrustKeyPath)
	if err != nil {
		return nil, err
	}

	trustDir := filepath.Join(config.Root, "trust")

	if err := system.MkdirAll(trustDir, 0700); err != nil {
		return nil, err
	}

	distributionMetadataStore, err := dmetadata.NewFSMetadataStore(filepath.Join(imageRoot, "distribution"))
	if err != nil {
		return nil, err
	}

// Push pushes a plugin to the store.
func (pm *Manager) Push(ctx context.Context, name string, metaHeader http.Header, authConfig *types.AuthConfig, outStream io.Writer) error {
	p, err := pm.config.Store.GetV2Plugin(name)
	if err != nil {
		return err
	}

	ref, err := reference.ParseNamed(p.Name())
	if err != nil {
		return errors.Wrapf(err, "plugin has invalid name %v for push", p.Name())
	}

	var po progress.Output
	if outStream != nil {
		// Include a buffer so that slow client connections don't affect
		// transfer performance.
		progressChan := make(chan progress.Progress, 100)

		writesDone := make(chan struct{})

		defer func() {
			close(progressChan)
			<-writesDone
		}()

		var cancelFunc context.CancelFunc
		ctx, cancelFunc = context.WithCancel(ctx)

		go func() {
			progressutils.WriteDistributionProgress(cancelFunc, outStream, progressChan)
			close(writesDone)
		}()

		po = progress.ChanOutput(progressChan)
	} else {
		po = progress.DiscardOutput()
	}

	// TODO: replace these with manager
	is := &pluginConfigStore{
		pm:     pm,
		plugin: p,
	}
	ls := &pluginLayerProvider{
		pm:     pm,
		plugin: p,
	}
	rs := &pluginReference{
		name:     ref,
		pluginID: p.Config,
	}

	uploadManager := xfer.NewLayerUploadManager(3)

	imagePushConfig := &distribution.ImagePushConfig{
		Config: distribution.Config{
			MetaHeaders:      metaHeader,
			AuthConfig:       authConfig,
			ProgressOutput:   po,
			RegistryService:  pm.config.RegistryService,
			ReferenceStore:   rs,
			ImageEventLogger: pm.config.LogPluginEvent,
			ImageStore:       is,
			RequireSchema2:   true,
		},
		ConfigMediaType: schema2.MediaTypePluginConfig,
		LayerStore:      ls,
		UploadManager:   uploadManager,
	}

	return distribution.Push(ctx, ref, imagePushConfig)
}