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Send manifest and blob delete events to the notifications subsystem.

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Signed-off-by: Richard Scothern <richard.scothern@docker.com>
This commit is contained in:
Richard Scothern 2016-01-28 09:56:37 -08:00
parent fd7ccc0bdf
commit f37b2ee16e
4 changed files with 98 additions and 25 deletions
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34
notifications/listener.go
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@ -14,11 +14,7 @@ import (
type ManifestListener interface {
ManifestPushed(repo reference.Named, sm distribution.Manifest) error
ManifestPulled(repo reference.Named, sm distribution.Manifest) error
// TODO(stevvooe): Please note that delete support is still a little shaky
// and we'll need to propagate these in the future.
ManifestDeleted(repo reference.Named, sm distribution.Manifest) error
ManifestDeleted(repo reference.Named, dgst digest.Digest) error
}
// BlobListener describes a listener that can respond to layer related events.
@ -26,11 +22,7 @@ type BlobListener interface {
BlobPushed(repo reference.Named, desc distribution.Descriptor) error
BlobPulled(repo reference.Named, desc distribution.Descriptor) error
BlobMounted(repo reference.Named, desc distribution.Descriptor, fromRepo reference.Named) error
// TODO(stevvooe): Please note that delete support is still a little shaky
// and we'll need to propagate these in the future.
BlobDeleted(repo reference.Named, desc distribution.Descriptor) error
BlobDeleted(repo reference.Named, desc digest.Digest) error
}
// Listener combines all repository events into a single interface.
@ -75,6 +67,17 @@ type manifestServiceListener struct {
parent *repositoryListener
}
func (msl *manifestServiceListener) Delete(ctx context.Context, dgst digest.Digest) error {
err := msl.ManifestService.Delete(ctx, dgst)
if err == nil {
if err := msl.parent.listener.ManifestDeleted(msl.parent.Repository.Named(), dgst); err != nil {
logrus.Errorf("error dispatching manifest delete to listener: %v", err)
}
}
return err
}
func (msl *manifestServiceListener) Get(ctx context.Context, dgst digest.Digest, options ...distribution.ManifestServiceOption) (distribution.Manifest, error) {
sm, err := msl.ManifestService.Get(ctx, dgst)
if err == nil {
@ -173,6 +176,17 @@ func (bsl *blobServiceListener) Create(ctx context.Context, options ...distribut
return bsl.decorateWriter(wr), err
}
func (bsl *blobServiceListener) Delete(ctx context.Context, dgst digest.Digest) error {
err := bsl.BlobStore.Delete(ctx, dgst)
if err == nil {
if err := bsl.parent.listener.BlobDeleted(bsl.parent.Repository.Named(), dgst); err != nil {
context.GetLogger(ctx).Errorf("error dispatching layer delete to listener: %v", err)
}
}
return err
}
func (bsl *blobServiceListener) Resume(ctx context.Context, id string) (distribution.BlobWriter, error) {
wr, err := bsl.BlobStore.Resume(ctx, id)
return bsl.decorateWriter(wr), err