Golang PortLayerAPI.StorageGetImageHandler方法代码示例

// Configure assigns functions to all the storage api handlers
func (handler *StorageHandlersImpl) Configure(api *operations.PortLayerAPI, handlerCtx *HandlerContext) {
	var err error

	ctx := context.Background()

	sessionconfig := &session.Config{
		Service:        options.PortLayerOptions.SDK,
		Insecure:       options.PortLayerOptions.Insecure,
		Keepalive:      options.PortLayerOptions.Keepalive,
		DatacenterPath: options.PortLayerOptions.DatacenterPath,
		ClusterPath:    options.PortLayerOptions.ClusterPath,
		PoolPath:       options.PortLayerOptions.PoolPath,
		DatastorePath:  options.PortLayerOptions.DatastorePath,
	}

	storageSession, err := session.NewSession(sessionconfig).Create(ctx)
	if err != nil {
		log.Fatalf("StorageHandler ERROR: %s", err)
	}
	if len(spl.Config.ImageStores) == 0 {
		log.Panicf("No image stores provided; unable to instantiate storage layer")
	}
	imageStoreURL := spl.Config.ImageStores[0]
	// TODO: support multiple image stores. Right now we only support the first one
	if len(spl.Config.ImageStores) > 1 {
		log.Warningf("Multiple image stores found. Multiple image stores are not yet supported. Using [%s] %s", imageStoreURL.Host, imageStoreURL.Path)
	}
	ds, err := vsphereSpl.NewImageStore(ctx, storageSession, &imageStoreURL)
	if err != nil {
		log.Panicf("Cannot instantiate storage layer: %s", err)
	}

	// The imagestore is implemented via a cache which is backed via an
	// implementation that writes to disks.  The cache is used to avoid
	// expensive metadata lookups.
	storageImageLayer = spl.NewLookupCache(ds)
	vsVolumeStore, err := vsphereSpl.NewVolumeStore(context.TODO(), storageSession)
	if err != nil {
		log.Panicf("Cannot instantiate the volume store: %s", err)
	}

	// Get the datastores for volumes.
	// Each volume store name maps to a datastore + path, which can be referred to by the name.
	dstores, err := datastore.GetDatastores(context.TODO(), storageSession, spl.Config.VolumeLocations)
	if err != nil {
		log.Panicf("Cannot find datastores: %s", err)
	}

	// Add datastores to the vsphere volume store impl
	for volStoreName, volDatastore := range dstores {
		log.Infof("Adding volume store %s (%s)", volStoreName, volDatastore.RootURL)
		_, err := vsVolumeStore.AddStore(context.TODO(), volDatastore, volStoreName)
		if err != nil {
			log.Errorf("volume addition error %s", err)
		}
	}

	storageVolumeLayer, err = spl.NewVolumeLookupCache(context.TODO(), vsVolumeStore)
	if err != nil {
		log.Panicf("Cannot instantiate the Volume Lookup cache: %s", err)
	}

	api.StorageCreateImageStoreHandler = storage.CreateImageStoreHandlerFunc(handler.CreateImageStore)
	api.StorageGetImageHandler = storage.GetImageHandlerFunc(handler.GetImage)
	api.StorageGetImageTarHandler = storage.GetImageTarHandlerFunc(handler.GetImageTar)
	api.StorageListImagesHandler = storage.ListImagesHandlerFunc(handler.ListImages)
	api.StorageWriteImageHandler = storage.WriteImageHandlerFunc(handler.WriteImage)

	api.StorageVolumeStoresListHandler = storage.VolumeStoresListHandlerFunc(handler.VolumeStoresList)
	api.StorageCreateVolumeHandler = storage.CreateVolumeHandlerFunc(handler.CreateVolume)
	api.StorageRemoveVolumeHandler = storage.RemoveVolumeHandlerFunc(handler.RemoveVolume)
	api.StorageVolumeJoinHandler = storage.VolumeJoinHandlerFunc(handler.VolumeJoin)
	api.StorageListVolumesHandler = storage.ListVolumesHandlerFunc(handler.VolumesList)
}

// Configure assigns functions to all the storage api handlers
func (h *StorageHandlersImpl) Configure(api *operations.PortLayerAPI, handlerCtx *HandlerContext) {
	var err error

	ctx := context.Background()
	op := trace.NewOperation(ctx, "configure")

	if len(spl.Config.ImageStores) == 0 {
		log.Panicf("No image stores provided; unable to instantiate storage layer")
	}
	imageStoreURL := spl.Config.ImageStores[0]
	// TODO: support multiple image stores. Right now we only support the first one
	if len(spl.Config.ImageStores) > 1 {
		log.Warningf("Multiple image stores found. Multiple image stores are not yet supported. Using [%s] %s", imageStoreURL.Host, imageStoreURL.Path)
	}

	ds, err := vsphereSpl.NewImageStore(op, handlerCtx.Session, &imageStoreURL)
	if err != nil {
		log.Panicf("Cannot instantiate storage layer: %s", err)
	}

	// The imagestore is implemented via a cache which is backed via an
	// implementation that writes to disks.  The cache is used to avoid
	// expensive metadata lookups.
	h.imageCache = spl.NewLookupCache(ds)

	// The same is done for volumes.  It's implemented via a cache which writes
	// to an implementation that takes a datastore to write to.
	vsVolumeStore, err := vsphereSpl.NewVolumeStore(op, handlerCtx.Session)
	if err != nil {
		log.Panicf("Cannot instantiate the volume store: %s", err)
	}

	// Get the datastores for volumes.
	// Each volume store name maps to a datastore + path, which can be referred to by the name.
	dstores, err := datastore.GetDatastores(context.TODO(), handlerCtx.Session, spl.Config.VolumeLocations)
	if err != nil {
		log.Panicf("Cannot find datastores: %s", err)
	}

	// Add datastores to the vsphere volume store impl
	for volStoreName, volDatastore := range dstores {
		log.Infof("Adding volume store %s (%s)", volStoreName, volDatastore.RootURL)
		_, err := vsVolumeStore.AddStore(op, volDatastore, volStoreName)
		if err != nil {
			log.Errorf("volume addition error %s", err)
		}
	}

	h.volumeCache, err = spl.NewVolumeLookupCache(op, vsVolumeStore)
	if err != nil {
		log.Panicf("Cannot instantiate the Volume Lookup cache: %s", err)
	}

	api.StorageCreateImageStoreHandler = storage.CreateImageStoreHandlerFunc(h.CreateImageStore)
	api.StorageGetImageHandler = storage.GetImageHandlerFunc(h.GetImage)
	api.StorageGetImageTarHandler = storage.GetImageTarHandlerFunc(h.GetImageTar)
	api.StorageListImagesHandler = storage.ListImagesHandlerFunc(h.ListImages)
	api.StorageWriteImageHandler = storage.WriteImageHandlerFunc(h.WriteImage)
	api.StorageDeleteImageHandler = storage.DeleteImageHandlerFunc(h.DeleteImage)

	api.StorageVolumeStoresListHandler = storage.VolumeStoresListHandlerFunc(h.VolumeStoresList)
	api.StorageCreateVolumeHandler = storage.CreateVolumeHandlerFunc(h.CreateVolume)
	api.StorageRemoveVolumeHandler = storage.RemoveVolumeHandlerFunc(h.RemoveVolume)
	api.StorageVolumeJoinHandler = storage.VolumeJoinHandlerFunc(h.VolumeJoin)
	api.StorageListVolumesHandler = storage.ListVolumesHandlerFunc(h.VolumesList)
	api.StorageGetVolumeHandler = storage.GetVolumeHandlerFunc(h.GetVolume)
}