// SetDigest creates a digest reference to an image ID. func (store *TagStore) SetDigest(repoName, digest, imageName string) error { img, err := store.LookupImage(imageName) if err != nil { return err } if err := validateRepoName(repoName); err != nil { return err } if err := validateDigest(digest); err != nil { return err } store.Lock() defer store.Unlock() if err := store.reload(); err != nil { return err } repoName = registry.NormalizeLocalName(repoName) repoRefs, exists := store.Repositories[repoName] if !exists { repoRefs = Repository{} store.Repositories[repoName] = repoRefs } else if oldID, exists := repoRefs[digest]; exists && oldID != img.ID { return fmt.Errorf("Conflict: Digest %s is already set to image %s", digest, oldID) } repoRefs[digest] = img.ID return store.save() }
func (store *TagStore) Delete(repoName, ref string) (bool, error) { store.Lock() defer store.Unlock() deleted := false if err := store.reload(); err != nil { return false, err } repoName = registry.NormalizeLocalName(repoName) if ref == "" { // Delete the whole repository. delete(store.Repositories, repoName) return true, store.save() } repoRefs, exists := store.Repositories[repoName] if !exists { return false, fmt.Errorf("No such repository: %s", repoName) } if _, exists := repoRefs[ref]; exists { delete(repoRefs, ref) if len(repoRefs) == 0 { delete(store.Repositories, repoName) } deleted = true } return deleted, store.save() }
func (store *TagStore) Get(repoName string) (Repository, error) { store.Lock() defer store.Unlock() if err := store.reload(); err != nil { return nil, err } repoName = registry.NormalizeLocalName(repoName) if r, exists := store.Repositories[repoName]; exists { return r, nil } return nil, nil }
func (store *TagStore) SetLoad(repoName, tag, imageName string, force bool, out io.Writer) error { img, err := store.LookupImage(imageName) store.Lock() defer store.Unlock() if err != nil { return err } if tag == "" { tag = tags.DEFAULTTAG } if err := validateRepoName(repoName); err != nil { return err } if err := tags.ValidateTagName(tag); err != nil { return err } if err := store.reload(); err != nil { return err } var repo Repository repoName = registry.NormalizeLocalName(repoName) if r, exists := store.Repositories[repoName]; exists { repo = r if old, exists := store.Repositories[repoName][tag]; exists { if !force { return fmt.Errorf("Conflict: Tag %s is already set to image %s, if you want to replace it, please use -f option", tag, old) } if old != img.ID && out != nil { fmt.Fprintf(out, "The image %s:%s already exists, renaming the old one with ID %s to empty string\n", repoName, tag, old[:12]) } } } else { repo = make(map[string]string) store.Repositories[repoName] = repo } repo[tag] = img.ID return store.save() }