func (s *TagStore) pullV2Repository(eng *engine.Engine, r *registry.Session, out io.Writer, localName, remoteName, tag string, sf *utils.StreamFormatter, parallel bool) error {
var layersDownloaded bool
if tag == "" {
log.Debugf("Pulling tag list from V2 registry for %s", remoteName)
tags, err := r.GetV2RemoteTags(remoteName, nil)
if err != nil {
return err
}
for _, t := range tags {
if downloaded, err := s.pullV2Tag(eng, r, out, localName, remoteName, t, sf, parallel); err != nil {
return err
} else if downloaded {
layersDownloaded = true
}
}
} else {
if downloaded, err := s.pullV2Tag(eng, r, out, localName, remoteName, tag, sf, parallel); err != nil {
return err
} else if downloaded {
layersDownloaded = true
}
}
requestedTag := localName
if len(tag) > 0 {
requestedTag = localName + ":" + tag
}
WriteStatus(requestedTag, out, sf, layersDownloaded)
return nil
}
func (s *TagStore) pullV2Repository(eng *engine.Engine, r *registry.Session, out io.Writer, repoInfo *registry.RepositoryInfo, tag string, sf *utils.StreamFormatter, parallel bool) error {
endpoint, err := r.V2RegistryEndpoint(repoInfo.Index)
if err != nil {
if repoInfo.Index.Official {
log.Debugf("Unable to pull from V2 registry, falling back to v1: %s", err)
return ErrV2RegistryUnavailable
}
return fmt.Errorf("error getting registry endpoint: %s", err)
}
auth, err := r.GetV2Authorization(endpoint, repoInfo.RemoteName, true)
if err != nil {
return fmt.Errorf("error getting authorization: %s", err)
}
var layersDownloaded bool
if tag == "" {
log.Debugf("Pulling tag list from V2 registry for %s", repoInfo.CanonicalName)
tags, err := r.GetV2RemoteTags(endpoint, repoInfo.RemoteName, auth)
if err != nil {
return err
}
if len(tags) == 0 {
return registry.ErrDoesNotExist
}
for _, t := range tags {
if downloaded, err := s.pullV2Tag(eng, r, out, endpoint, repoInfo, t, sf, parallel, auth); err != nil {
return err
} else if downloaded {
layersDownloaded = true
}
}
} else {
if downloaded, err := s.pullV2Tag(eng, r, out, endpoint, repoInfo, tag, sf, parallel, auth); err != nil {
return err
} else if downloaded {
layersDownloaded = true
}
}
requestedTag := repoInfo.CanonicalName
if len(tag) > 0 {
requestedTag = utils.ImageReference(repoInfo.CanonicalName, tag)
}
WriteStatus(requestedTag, out, sf, layersDownloaded)
return nil
}
