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Fires a new Mount event when blobs are cross-repo mounted

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Adds an optional "fromRepository" field to the event target

Signed-off-by: Brian Bland <brian.bland@docker.com>
This commit is contained in:
Brian Bland 2016-01-06 15:57:35 -08:00
parent 3a35a2d953
commit 613cfc861d
4 changed files with 31 additions and 0 deletions
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12
notifications/listener.go
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@ -24,6 +24,7 @@ type ManifestListener interface {
type BlobListener interface {
BlobPushed(repo string, desc distribution.Descriptor) error
BlobPulled(repo string, desc distribution.Descriptor) error
BlobMounted(repo string, desc distribution.Descriptor, fromRepo string) error
// TODO(stevvooe): Please note that delete support is still a little shaky
// and we'll need to propagate these in the future.
@ -169,6 +170,17 @@ func (bsl *blobServiceListener) Resume(ctx context.Context, id string) (distribu
return bsl.decorateWriter(wr), err
}
func (bsl *blobServiceListener) Mount(ctx context.Context, sourceRepo string, dgst digest.Digest) (distribution.Descriptor, error) {
desc, err := bsl.BlobStore.Mount(ctx, sourceRepo, dgst)
if err == nil {
if err := bsl.parent.listener.BlobMounted(bsl.parent.Repository.Name(), desc, sourceRepo); err != nil {
context.GetLogger(ctx).Errorf("error dispatching layer mount to listener: %v", err)
}
}
return desc, err
}
func (bsl *blobServiceListener) decorateWriter(wr distribution.BlobWriter) distribution.BlobWriter {
return &blobWriterListener{
BlobWriter: wr,