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moby--moby/daemon/image_push.go
John Howard 7b9a8f460b Move to a single tag-store
Signed-off-by: John Howard <jhoward@microsoft.com>
2017-08-18 17:09:27 -07:00

71 lines
2.2 KiB
Go

package daemon
import (
"io"
"runtime"
"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"
"github.com/docker/docker/pkg/system"
"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)
}()
// TODO @jhowardmsft LCOW Support. This will require revisiting. For now, hard-code.
platform := runtime.GOOS
if system.LCOWSupported() {
platform = "linux"
}
imagePushConfig := &distribution.ImagePushConfig{
Config: distribution.Config{
MetaHeaders: metaHeaders,
AuthConfig: authConfig,
ProgressOutput: progress.ChanOutput(progressChan),
RegistryService: daemon.RegistryService,
ImageEventLogger: daemon.LogImageEvent,
MetadataStore: daemon.stores[platform].distributionMetadataStore,
ImageStore: distribution.NewImageConfigStoreFromStore(daemon.stores[platform].imageStore),
ReferenceStore: daemon.referenceStore,
},
ConfigMediaType: schema2.MediaTypeImageConfig,
LayerStore: distribution.NewLayerProviderFromStore(daemon.stores[platform].layerStore),
TrustKey: daemon.trustKey,
UploadManager: daemon.uploadManager,
}
err = distribution.Push(ctx, ref, imagePushConfig)
close(progressChan)
<-writesDone
return err
}