Exemplo n.º 1
0
// FIXME: make this private and use the job instead
func (daemon *Daemon) DeleteImage(eng *engine.Engine, name string, imgs *engine.Table, first, force, noprune bool) error {
	var (
		repoName, tag string
		tags          = []string{}
	)

	// FIXME: please respect DRY and centralize repo+tag parsing in a single central place! -- shykes
	repoName, tag = parsers.ParseRepositoryTag(name)
	if tag == "" {
		tag = graph.DEFAULTTAG
	}

	if name == "" {
		return fmt.Errorf("Image name can not be blank")
	}

	img, err := daemon.Repositories().LookupImage(name)
	if err != nil {
		if r, _ := daemon.Repositories().Get(repoName); r != nil {
			return fmt.Errorf("No such image: %s:%s", repoName, tag)
		}
		return fmt.Errorf("No such image: %s", name)
	}

	if strings.Contains(img.ID, name) {
		repoName = ""
		tag = ""
	}

	byParents, err := daemon.Graph().ByParent()
	if err != nil {
		return err
	}

	repos := daemon.Repositories().ByID()[img.ID]

	//If delete by id, see if the id belong only to one repository
	if repoName == "" {
		for _, repoAndTag := range repos {
			parsedRepo, parsedTag := parsers.ParseRepositoryTag(repoAndTag)
			if repoName == "" || repoName == parsedRepo {
				repoName = parsedRepo
				if parsedTag != "" {
					tags = append(tags, parsedTag)
				}
			} else if repoName != parsedRepo && !force && first {
				// the id belongs to multiple repos, like base:latest and user:test,
				// in that case return conflict
				return fmt.Errorf("Conflict, cannot delete image %s because it is tagged in multiple repositories, use -f to force", name)
			}
		}
	} else {
		tags = append(tags, tag)
	}

	if !first && len(tags) > 0 {
		return nil
	}

	if len(repos) <= 1 {
		if err := daemon.canDeleteImage(img.ID, force); err != nil {
			return err
		}
	}

	// Untag the current image
	for _, tag := range tags {
		tagDeleted, err := daemon.Repositories().Delete(repoName, tag)
		if err != nil {
			return err
		}
		if tagDeleted {
			out := &engine.Env{}
			out.Set("Untagged", repoName+":"+tag)
			imgs.Add(out)
			eng.Job("log", "untag", img.ID, "").Run()
		}
	}
	tags = daemon.Repositories().ByID()[img.ID]
	if (len(tags) <= 1 && repoName == "") || len(tags) == 0 {
		if len(byParents[img.ID]) == 0 {
			if err := daemon.Repositories().DeleteAll(img.ID); err != nil {
				return err
			}
			if err := daemon.Graph().Delete(img.ID); err != nil {
				return err
			}
			out := &engine.Env{}
			out.SetJson("Deleted", img.ID)
			imgs.Add(out)
			eng.Job("log", "delete", img.ID, "").Run()
			if img.Parent != "" && !noprune {
				err := daemon.DeleteImage(eng, img.Parent, imgs, false, force, noprune)
				if first {
					return err
				}

			}

		}
	}
	return nil
}
Exemplo n.º 2
0
func (srv *Server) DeleteImage(name string, imgs *engine.Table, first, force, noprune bool) error {
	var (
		repoName, tag string
		tags          = []string{}
		tagDeleted    bool
	)

	repoName, tag = parsers.ParseRepositoryTag(name)
	if tag == "" {
		tag = graph.DEFAULTTAG
	}

	img, err := srv.daemon.Repositories().LookupImage(name)
	if err != nil {
		if r, _ := srv.daemon.Repositories().Get(repoName); r != nil {
			return fmt.Errorf("No such image: %s:%s", repoName, tag)
		}
		return fmt.Errorf("No such image: %s", name)
	}

	if strings.Contains(img.ID, name) {
		repoName = ""
		tag = ""
	}

	byParents, err := srv.daemon.Graph().ByParent()
	if err != nil {
		return err
	}

	//If delete by id, see if the id belong only to one repository
	if repoName == "" {
		for _, repoAndTag := range srv.daemon.Repositories().ByID()[img.ID] {
			parsedRepo, parsedTag := parsers.ParseRepositoryTag(repoAndTag)
			if repoName == "" || repoName == parsedRepo {
				repoName = parsedRepo
				if parsedTag != "" {
					tags = append(tags, parsedTag)
				}
			} else if repoName != parsedRepo && !force {
				// the id belongs to multiple repos, like base:latest and user:test,
				// in that case return conflict
				return fmt.Errorf("Conflict, cannot delete image %s because it is tagged in multiple repositories, use -f to force", name)
			}
		}
	} else {
		tags = append(tags, tag)
	}

	if !first && len(tags) > 0 {
		return nil
	}

	//Untag the current image
	for _, tag := range tags {
		tagDeleted, err = srv.daemon.Repositories().Delete(repoName, tag)
		if err != nil {
			return err
		}
		if tagDeleted {
			out := &engine.Env{}
			out.Set("Untagged", repoName+":"+tag)
			imgs.Add(out)
			srv.LogEvent("untag", img.ID, "")
		}
	}
	tags = srv.daemon.Repositories().ByID()[img.ID]
	if (len(tags) <= 1 && repoName == "") || len(tags) == 0 {
		if len(byParents[img.ID]) == 0 {
			if err := srv.canDeleteImage(img.ID, force, tagDeleted); err != nil {
				return err
			}
			if err := srv.daemon.Repositories().DeleteAll(img.ID); err != nil {
				return err
			}
			if err := srv.daemon.Graph().Delete(img.ID); err != nil {
				return err
			}
			out := &engine.Env{}
			out.Set("Deleted", img.ID)
			imgs.Add(out)
			srv.LogEvent("delete", img.ID, "")
			if img.Parent != "" && !noprune {
				err := srv.DeleteImage(img.Parent, imgs, false, force, noprune)
				if first {
					return err
				}

			}

		}
	}
	return nil
}