func lookupID(s *graph.TagStore, name string) string {
s.Lock()
defer s.Unlock()
repo, tag := parsers.ParseRepositoryTag(name)
if r, exists := s.Repositories[repo]; exists {
if tag == "" {
tag = "latest"
}
if id, exists := r[tag]; exists {
return id
}
}
if r, exists := s.Repositories[registry.IndexName+"/"+repo]; exists {
if tag == "" {
tag = "latest"
}
if id, exists := r[tag]; exists {
return id
}
}
names := strings.Split(name, "/")
if len(names) > 1 {
if r, exists := s.Repositories[strings.Join(names[1:], "/")]; exists {
if tag == "" {
tag = "latest"
}
if id, exists := r[tag]; exists {
return id
}
}
}
return ""
}
func lookupImage(s *graph.TagStore, name string) (*image.Image, error) {
img, err := s.LookupImage(name)
if img != nil {
return img, err
}
id := lookupID(s, name)
if id != "" {
return s.LookupImage(id)
}
return nil, err
}
func lookup(s *graph.TagStore, name string) (*types.ImageInspect, error) {
img, err := s.Lookup(name)
if img != nil {
return img, err
}
id := lookupID(s, name)
if id != "" {
return s.Lookup(id)
}
return nil, err
}
func getImage(s *graph.TagStore, img, imgID string) (string, error) {
// both Image and ImageID is actually ids, nothing to guess
if strings.HasPrefix(imgID, img) {
return img, nil
}
id, err := s.GetID(img)
if err != nil {
if err == graph.ErrNameIsNotExist {
return imgID, nil
}
return "", err
}
if id != imgID {
return imgID, nil
}
return img, nil
}
