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add support for repo deleted event also

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by having another interface RepositoryRemover that is implemented by
registry instance and is injected in app context for event tracking

Signed-off-by: Manish Tomar <manish.tomar@docker.com>
This commit is contained in:
Manish Tomar 2018-08-02 22:58:52 -07:00
parent 0d8f4ac7b8
commit 328069bb4d
7 changed files with 76 additions and 7 deletions
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24
notifications/listener.go
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@ -26,9 +26,9 @@ type BlobListener interface {
BlobDeleted(repo reference.Named, desc digest.Digest) error
}
// RepoListener describes a listener that can respond to repository related events.
type RepoListener interface {
TagDeleted(repo reference.Named, tag string) error
RepoDeleted(repo reference.Named) error
}
// Listener combines all repository events into a single interface.
@ -43,12 +43,28 @@ type repositoryListener struct {
listener Listener
}
type removerListener struct {
distribution.RepositoryRemover
listener Listener
}
// Listen dispatches events on the repository to the listener.
func Listen(repo distribution.Repository, listener Listener) distribution.Repository {
func Listen(repo distribution.Repository, remover distribution.RepositoryRemover, listener Listener) (distribution.Repository, distribution.RepositoryRemover) {
return &repositoryListener{
Repository: repo,
listener: listener,
Repository: repo,
listener: listener,
}, &removerListener{
RepositoryRemover: remover,
listener: listener,
}
}
func (nl *removerListener) Remove(ctx context.Context, name reference.Named) error {
err := nl.RepositoryRemover.Remove(ctx, name)
if err != nil {
return err
}
return nl.listener.RepoDeleted(name)
}
func (rl *repositoryListener) Manifests(ctx context.Context, options ...distribution.ManifestServiceOption) (distribution.ManifestService, error) {