package daemon // import "github.com/docker/docker/daemon" import ( "io" "github.com/docker/distribution/manifest/schema2" "github.com/docker/distribution/reference" "github.com/docker/docker/api/types" "github.com/docker/docker/distribution" progressutils "github.com/docker/docker/distribution/utils" "github.com/docker/docker/pkg/progress" "golang.org/x/net/context" ) // PushImage initiates a push operation on the repository named localName. func (daemon *Daemon) PushImage(ctx context.Context, image, tag string, metaHeaders map[string][]string, authConfig *types.AuthConfig, outStream io.Writer) error { ref, err := reference.ParseNormalizedNamed(image) if err != nil { return err } if tag != "" { // Push by digest is not supported, so only tags are supported. ref, err = reference.WithTag(ref, tag) if err != nil { return err } } // Include a buffer so that slow client connections don't affect // transfer performance. progressChan := make(chan progress.Progress, 100) writesDone := make(chan struct{}) ctx, cancelFunc := context.WithCancel(ctx) go func() { progressutils.WriteDistributionProgress(cancelFunc, outStream, progressChan) close(writesDone) }() imagePushConfig := &distribution.ImagePushConfig{ Config: distribution.Config{ MetaHeaders: metaHeaders, AuthConfig: authConfig, ProgressOutput: progress.ChanOutput(progressChan), RegistryService: daemon.RegistryService, ImageEventLogger: daemon.LogImageEvent, MetadataStore: daemon.distributionMetadataStore, ImageStore: distribution.NewImageConfigStoreFromStore(daemon.imageStore), ReferenceStore: daemon.referenceStore, }, ConfigMediaType: schema2.MediaTypeImageConfig, LayerStores: distribution.NewLayerProvidersFromStores(daemon.layerStores), TrustKey: daemon.trustKey, UploadManager: daemon.uploadManager, } err = distribution.Push(ctx, ref, imagePushConfig) close(progressChan) <-writesDone return err }