package daemon import "github.com/docker/docker/engine" func (daemon *Daemon) ContainerRename(job *engine.Job) engine.Status { if len(job.Args) != 2 { return job.Errorf("usage: %s OLD_NAME NEW_NAME", job.Name) } oldName := job.Args[0] newName := job.Args[1] container, err := daemon.Get(oldName) if err != nil { return job.Error(err) } oldName = container.Name container.Lock() defer container.Unlock() if newName, err = daemon.reserveName(container.ID, newName); err != nil { return job.Errorf("Error when allocating new name: %s", err) } container.Name = newName undo := func() { container.Name = oldName daemon.reserveName(container.ID, oldName) daemon.containerGraph.Delete(newName) } if err := daemon.containerGraph.Delete(oldName); err != nil { undo() return job.Errorf("Failed to delete container %q: %v", oldName, err) } if err := container.toDisk(); err != nil { undo() return job.Error(err) } return engine.StatusOK }