| package daemon |
| |
| import ( |
| "github.com/docker/distribution/reference" |
| "github.com/docker/docker/image" |
| ) |
| |
| // TagImage creates the tag specified by newTag, pointing to the image named |
| // imageName (alternatively, imageName can also be an image ID). |
| func (daemon *Daemon) TagImage(imageName, repository, tag string) error { |
| imageID, os, err := daemon.GetImageIDAndOS(imageName) |
| if err != nil { |
| return err |
| } |
| |
| newTag, err := reference.ParseNormalizedNamed(repository) |
| if err != nil { |
| return err |
| } |
| if tag != "" { |
| if newTag, err = reference.WithTag(reference.TrimNamed(newTag), tag); err != nil { |
| return err |
| } |
| } |
| |
| return daemon.TagImageWithReference(imageID, os, newTag) |
| } |
| |
| // TagImageWithReference adds the given reference to the image ID provided. |
| func (daemon *Daemon) TagImageWithReference(imageID image.ID, os string, newTag reference.Named) error { |
| if err := daemon.referenceStore.AddTag(newTag, imageID.Digest(), true); err != nil { |
| return err |
| } |
| |
| if err := daemon.stores[os].imageStore.SetLastUpdated(imageID); err != nil { |
| return err |
| } |
| daemon.LogImageEvent(imageID.String(), reference.FamiliarString(newTag), "tag") |
| return nil |
| } |