package daemon import ( "fmt" "os" "path" "github.com/docker/docker/engine" "github.com/docker/docker/pkg/log" ) func (daemon *Daemon) ContainerRm(job *engine.Job) engine.Status { if len(job.Args) != 1 { return job.Errorf("Not enough arguments. Usage: %s CONTAINER\n", job.Name) } name := job.Args[0] removeVolume := job.GetenvBool("removeVolume") removeLink := job.GetenvBool("removeLink") forceRemove := job.GetenvBool("forceRemove") container := daemon.Get(name) if container == nil { return job.Errorf("No such container: %s", name) } if removeLink { name, err := GetFullContainerName(name) if err != nil { job.Error(err) } parent, n := path.Split(name) if parent == "/" { return job.Errorf("Conflict, cannot remove the default name of the container") } pe := daemon.ContainerGraph().Get(parent) if pe == nil { return job.Errorf("Cannot get parent %s for name %s", parent, name) } parentContainer := daemon.Get(pe.ID()) if parentContainer != nil { parentContainer.DisableLink(n) } if err := daemon.ContainerGraph().Delete(name); err != nil { return job.Error(err) } return engine.StatusOK } if container != nil { if container.IsRunning() { if forceRemove { if err := container.Kill(); err != nil { return job.Errorf("Could not kill running container, cannot remove - %v", err) } } else { return job.Errorf("You cannot remove a running container. Stop the container before attempting removal or use -f") } } if err := daemon.Destroy(container); err != nil { return job.Errorf("Cannot destroy container %s: %s", name, err) } container.LogEvent("destroy") if removeVolume { daemon.DeleteVolumes(container.VolumePaths()) } } return engine.StatusOK } func (daemon *Daemon) DeleteVolumes(volumeIDs map[string]struct{}) { for id := range volumeIDs { if err := daemon.volumes.Delete(id); err != nil { log.Infof("%s", err) continue } } } // Destroy unregisters a container from the daemon and cleanly removes its contents from the filesystem. // FIXME: rename to Rm for consistency with the CLI command func (daemon *Daemon) Destroy(container *Container) error { if container == nil { return fmt.Errorf("The given container is ") } element := daemon.containers.Get(container.ID) if element == nil { return fmt.Errorf("Container %v not found - maybe it was already destroyed?", container.ID) } if err := container.Stop(3); err != nil { return err } // Deregister the container before removing its directory, to avoid race conditions daemon.idIndex.Delete(container.ID) daemon.containers.Delete(container.ID) container.derefVolumes() if _, err := daemon.containerGraph.Purge(container.ID); err != nil { log.Debugf("Unable to remove container from link graph: %s", err) } if err := daemon.driver.Remove(container.ID); err != nil { return fmt.Errorf("Driver %s failed to remove root filesystem %s: %s", daemon.driver, container.ID, err) } initID := fmt.Sprintf("%s-init", container.ID) if err := daemon.driver.Remove(initID); err != nil { return fmt.Errorf("Driver %s failed to remove init filesystem %s: %s", daemon.driver, initID, err) } if err := os.RemoveAll(container.root); err != nil { return fmt.Errorf("Unable to remove filesystem for %v: %v", container.ID, err) } if err := daemon.execDriver.Clean(container.ID); err != nil { return fmt.Errorf("Unable to remove execdriver data for %s: %s", container.ID, err) } selinuxFreeLxcContexts(container.ProcessLabel) return nil }