示例#1
0
func (container *Container) cleanup() {
	container.releaseNetwork()

	// Disable all active links
	if container.activeLinks != nil {
		for _, link := range container.activeLinks {
			link.Disable()
		}
	}

	if container.Config.OpenStdin {
		if err := container.stdin.Close(); err != nil {
			utils.Errorf("%s: Error close stdin: %s", container.ID, err)
		}
	}
	if err := container.stdout.CloseWriters(); err != nil {
		utils.Errorf("%s: Error close stdout: %s", container.ID, err)
	}
	if err := container.stderr.CloseWriters(); err != nil {
		utils.Errorf("%s: Error close stderr: %s", container.ID, err)
	}

	if container.ptyMaster != nil {
		if err := container.ptyMaster.Close(); err != nil {
			utils.Errorf("%s: Error closing Pty master: %s", container.ID, err)
		}
	}

	var (
		root   = container.RootfsPath()
		mounts = []string{
			root,
			path.Join(root, "/.dockerinit"),
			path.Join(root, "/.dockerenv"),
			path.Join(root, "/etc/resolv.conf"),
		}
	)

	if container.HostnamePath != "" && container.HostsPath != "" {
		mounts = append(mounts, path.Join(root, "/etc/hostname"), path.Join(root, "/etc/hosts"))
	}

	for r := range container.Volumes {
		mounts = append(mounts, path.Join(root, r))
	}

	for i := len(mounts) - 1; i >= 0; i-- {
		if lastError := mount.Unmount(mounts[i]); lastError != nil {
			log.Printf("Failed to umount %v: %v", mounts[i], lastError)
		}
	}

	if err := container.Unmount(); err != nil {
		log.Printf("%v: Failed to umount filesystem: %v", container.ID, err)
	}
}
示例#2
0
func openNextAvailableLoopback(index int, sparseFile *osFile) (loopFile *osFile, err error) {
	// Start looking for a free /dev/loop
	for {
		target := fmt.Sprintf("/dev/loop%d", index)
		index++

		fi, err := osStat(target)
		if err != nil {
			if osIsNotExist(err) {
				utils.Errorf("There are no more loopback device available.")
			}
			return nil, ErrAttachLoopbackDevice
		}

		if fi.Mode()&osModeDevice != osModeDevice {
			utils.Errorf("Loopback device %s is not a block device.", target)
			continue
		}

		// OpenFile adds O_CLOEXEC
		loopFile, err = osOpenFile(target, osORdWr, 0644)
		if err != nil {
			utils.Errorf("Error openning loopback device: %s", err)
			return nil, ErrAttachLoopbackDevice
		}

		// Try to attach to the loop file
		if err := ioctlLoopSetFd(loopFile.Fd(), sparseFile.Fd()); err != nil {
			loopFile.Close()

			// If the error is EBUSY, then try the next loopback
			if err != sysEBusy {
				utils.Errorf("Cannot set up loopback device %s: %s", target, err)
				return nil, ErrAttachLoopbackDevice
			}

			// Otherwise, we keep going with the loop
			continue
		}
		// In case of success, we finished. Break the loop.
		break
	}

	// This can't happen, but let's be sure
	if loopFile == nil {
		utils.Errorf("Unreachable code reached! Error attaching %s to a loopback device.", sparseFile.Name())
		return nil, ErrAttachLoopbackDevice
	}

	return loopFile, nil
}
示例#3
0
func LoopbackSetCapacity(file *osFile) error {
	if err := ioctlLoopSetCapacity(file.Fd(), 0); err != nil {
		utils.Errorf("Error loopbackSetCapacity: %s", err)
		return ErrLoopbackSetCapacity
	}
	return nil
}
示例#4
0
文件: api.go 项目: Nerdness/docker
func makeHttpHandler(eng *engine.Engine, logging bool, localMethod string, localRoute string, handlerFunc HttpApiFunc, enableCors bool, dockerVersion string) http.HandlerFunc {
	return func(w http.ResponseWriter, r *http.Request) {
		// log the request
		utils.Debugf("Calling %s %s", localMethod, localRoute)

		if logging {
			log.Println(r.Method, r.RequestURI)
		}

		if strings.Contains(r.Header.Get("User-Agent"), "Docker-Client/") {
			userAgent := strings.Split(r.Header.Get("User-Agent"), "/")
			if len(userAgent) == 2 && userAgent[1] != dockerVersion {
				utils.Debugf("Warning: client and server don't have the same version (client: %s, server: %s)", userAgent[1], dockerVersion)
			}
		}
		version, err := strconv.ParseFloat(mux.Vars(r)["version"], 64)
		if err != nil {
			version = APIVERSION
		}
		if enableCors {
			writeCorsHeaders(w, r)
		}

		if version == 0 || version > APIVERSION {
			http.Error(w, fmt.Errorf("client and server don't have same version (client : %g, server: %g)", version, APIVERSION).Error(), http.StatusNotFound)
			return
		}

		if err := handlerFunc(eng, version, w, r, mux.Vars(r)); err != nil {
			utils.Errorf("Error: %s", err)
			httpError(w, err)
		}
	}
}
示例#5
0
文件: api.go 项目: Nerdness/docker
func postContainersCopy(eng *engine.Engine, version float64, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
	if vars == nil {
		return fmt.Errorf("Missing parameter")
	}

	var copyData engine.Env

	if contentType := r.Header.Get("Content-Type"); contentType == "application/json" {
		if err := copyData.Decode(r.Body); err != nil {
			return err
		}
	} else {
		return fmt.Errorf("Content-Type not supported: %s", contentType)
	}

	if copyData.Get("Resource") == "" {
		return fmt.Errorf("Path cannot be empty")
	}
	if copyData.Get("Resource")[0] == '/' {
		copyData.Set("Resource", copyData.Get("Resource")[1:])
	}

	job := eng.Job("container_copy", vars["name"], copyData.Get("Resource"))
	job.Stdout.Add(w)
	if err := job.Run(); err != nil {
		utils.Errorf("%s", err.Error())
	}
	return nil
}
示例#6
0
文件: api.go 项目: Nerdness/docker
func wsContainersAttach(eng *engine.Engine, version float64, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
	if err := parseForm(r); err != nil {
		return err
	}
	if vars == nil {
		return fmt.Errorf("Missing parameter")
	}

	if err := eng.Job("inspect", vars["name"], "container").Run(); err != nil {
		return err
	}

	h := websocket.Handler(func(ws *websocket.Conn) {
		defer ws.Close()
		job := eng.Job("attach", vars["name"])
		job.Setenv("logs", r.Form.Get("logs"))
		job.Setenv("stream", r.Form.Get("stream"))
		job.Setenv("stdin", r.Form.Get("stdin"))
		job.Setenv("stdout", r.Form.Get("stdout"))
		job.Setenv("stderr", r.Form.Get("stderr"))
		job.Stdin.Add(ws)
		job.Stdout.Add(ws)
		job.Stderr.Set(ws)
		if err := job.Run(); err != nil {
			utils.Errorf("Error: %s", err)
		}
	})
	h.ServeHTTP(w, r)

	return nil
}
示例#7
0
文件: api.go 项目: Nerdness/docker
func postCommit(eng *engine.Engine, version float64, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
	if err := parseForm(r); err != nil {
		return err
	}
	var (
		config engine.Env
		env    engine.Env
		job    = eng.Job("commit", r.Form.Get("container"))
	)
	if err := config.Import(r.Body); err != nil {
		utils.Errorf("%s", err)
	}

	job.Setenv("repo", r.Form.Get("repo"))
	job.Setenv("tag", r.Form.Get("tag"))
	job.Setenv("author", r.Form.Get("author"))
	job.Setenv("comment", r.Form.Get("comment"))
	job.SetenvSubEnv("config", &config)

	var id string
	job.Stdout.AddString(&id)
	if err := job.Run(); err != nil {
		return err
	}
	env.Set("Id", id)
	return writeJSON(w, http.StatusCreated, env)
}
示例#8
0
文件: api.go 项目: Nerdness/docker
func MatchesContentType(contentType, expectedType string) bool {
	mimetype, _, err := mime.ParseMediaType(contentType)
	if err != nil {
		utils.Errorf("Error parsing media type: %s error: %s", contentType, err.Error())
	}
	return err == nil && mimetype == expectedType
}
示例#9
0
func (devices *DeviceSet) Shutdown() error {
	devices.Lock()
	defer devices.Unlock()

	utils.Debugf("[deviceset %s] shutdown()", devices.devicePrefix)
	utils.Debugf("[devmapper] Shutting down DeviceSet: %s", devices.root)
	defer utils.Debugf("[deviceset %s] shutdown END", devices.devicePrefix)

	for path, count := range devices.activeMounts {
		for i := count; i > 0; i-- {
			if err := sysUnmount(path, 0); err != nil {
				utils.Debugf("Shutdown unmounting %s, error: %s\n", path, err)
			}
		}
		delete(devices.activeMounts, path)
	}

	for _, d := range devices.Devices {
		if err := devices.waitClose(d.Hash); err != nil {
			utils.Errorf("Warning: error waiting for device %s to unmount: %s\n", d.Hash, err)
		}
		if err := devices.deactivateDevice(d.Hash); err != nil {
			utils.Debugf("Shutdown deactivate %s , error: %s\n", d.Hash, err)
		}
	}

	pool := devices.getPoolDevName()
	if devinfo, err := getInfo(pool); err == nil && devinfo.Exists != 0 {
		if err := devices.deactivateDevice("pool"); err != nil {
			utils.Debugf("Shutdown deactivate %s , error: %s\n", pool, err)
		}
	}

	return nil
}
示例#10
0
// Check if an image exists in the Registry
// TODO: This method should return the errors instead of masking them and returning false
func (r *Registry) LookupRemoteImage(imgID, registry string, token []string) bool {

	req, err := r.reqFactory.NewRequest("GET", registry+"images/"+imgID+"/json", nil)
	if err != nil {
		utils.Errorf("Error in LookupRemoteImage %s", err)
		return false
	}
	setTokenAuth(req, token)
	res, err := doWithCookies(r.client, req)
	if err != nil {
		utils.Errorf("Error in LookupRemoteImage %s", err)
		return false
	}
	res.Body.Close()
	return res.StatusCode == 200
}
示例#11
0
func getLoopbackBackingFile(file *osFile) (uint64, uint64, error) {
	loopInfo, err := ioctlLoopGetStatus64(file.Fd())
	if err != nil {
		utils.Errorf("Error get loopback backing file: %s\n", err)
		return 0, 0, ErrGetLoopbackBackingFile
	}
	return loopInfo.loDevice, loopInfo.loInode, nil
}
示例#12
0
func GetBlockDeviceSize(file *osFile) (uint64, error) {
	size, err := ioctlBlkGetSize64(file.Fd())
	if err != nil {
		utils.Errorf("Error getblockdevicesize: %s", err)
		return 0, ErrGetBlockSize
	}
	return uint64(size), nil
}
示例#13
0
文件: mount.go 项目: Nerdness/docker
func Unmount(target string) error {
	if err := exec.Command("auplink", target, "flush").Run(); err != nil {
		utils.Errorf("[warning]: couldn't run auplink before unmount: %s", err)
	}
	if err := syscall.Unmount(target, 0); err != nil {
		return err
	}
	return nil
}
示例#14
0
func (runtime *Runtime) Close() error {
	errorsStrings := []string{}
	if err := portallocator.ReleaseAll(); err != nil {
		utils.Errorf("portallocator.ReleaseAll(): %s", err)
		errorsStrings = append(errorsStrings, err.Error())
	}
	if err := runtime.driver.Cleanup(); err != nil {
		utils.Errorf("runtime.driver.Cleanup(): %s", err.Error())
		errorsStrings = append(errorsStrings, err.Error())
	}
	if err := runtime.containerGraph.Close(); err != nil {
		utils.Errorf("runtime.containerGraph.Close(): %s", err.Error())
		errorsStrings = append(errorsStrings, err.Error())
	}
	if len(errorsStrings) > 0 {
		return fmt.Errorf("%s", strings.Join(errorsStrings, ", "))
	}
	return nil
}
示例#15
0
// attachLoopDevice attaches the given sparse file to the next
// available loopback device. It returns an opened *osFile.
func attachLoopDevice(sparseName string) (loop *osFile, err error) {

	// Try to retrieve the next available loopback device via syscall.
	// If it fails, we discard error and start loopking for a
	// loopback from index 0.
	startIndex, err := getNextFreeLoopbackIndex()
	if err != nil {
		utils.Debugf("Error retrieving the next available loopback: %s", err)
	}

	// OpenFile adds O_CLOEXEC
	sparseFile, err := osOpenFile(sparseName, osORdWr, 0644)
	if err != nil {
		utils.Errorf("Error openning sparse file %s: %s", sparseName, err)
		return nil, ErrAttachLoopbackDevice
	}
	defer sparseFile.Close()

	loopFile, err := openNextAvailableLoopback(startIndex, sparseFile)
	if err != nil {
		return nil, err
	}

	// Set the status of the loopback device
	loopInfo := &LoopInfo64{
		loFileName: stringToLoopName(loopFile.Name()),
		loOffset:   0,
		loFlags:    LoFlagsAutoClear,
	}

	if err := ioctlLoopSetStatus64(loopFile.Fd(), loopInfo); err != nil {
		utils.Errorf("Cannot set up loopback device info: %s", err)

		// If the call failed, then free the loopback device
		if err := ioctlLoopClrFd(loopFile.Fd()); err != nil {
			utils.Errorf("Error while cleaning up the loopback device")
		}
		loopFile.Close()
		return nil, ErrAttachLoopbackDevice
	}

	return loopFile, nil
}
示例#16
0
文件: aufs.go 项目: Nerdness/docker
// During cleanup aufs needs to unmount all mountpoints
func (a *Driver) Cleanup() error {
	ids, err := loadIds(path.Join(a.rootPath(), "layers"))
	if err != nil {
		return err
	}
	for _, id := range ids {
		if err := a.unmount(id); err != nil {
			utils.Errorf("Unmounting %s: %s", utils.TruncateID(id), err)
		}
	}
	return nil
}
示例#17
0
// GetSize, return real size, virtual size
func (container *Container) GetSize() (int64, int64) {
	var (
		sizeRw, sizeRootfs int64
		err                error
		driver             = container.runtime.driver
	)

	if err := container.Mount(); err != nil {
		utils.Errorf("Warning: failed to compute size of container rootfs %s: %s", container.ID, err)
		return sizeRw, sizeRootfs
	}
	defer container.Unmount()

	if differ, ok := container.runtime.driver.(graphdriver.Differ); ok {
		sizeRw, err = differ.DiffSize(container.ID)
		if err != nil {
			utils.Errorf("Warning: driver %s couldn't return diff size of container %s: %s", driver, container.ID, err)
			// FIXME: GetSize should return an error. Not changing it now in case
			// there is a side-effect.
			sizeRw = -1
		}
	} else {
		changes, _ := container.Changes()
		if changes != nil {
			sizeRw = archive.ChangesSize(container.basefs, changes)
		} else {
			sizeRw = -1
		}
	}

	if _, err = os.Stat(container.basefs); err != nil {
		if sizeRootfs, err = utils.TreeSize(container.basefs); err != nil {
			sizeRootfs = -1
		}
	}
	return sizeRw, sizeRootfs
}
示例#18
0
文件: driver.go 项目: Nerdness/docker
func (d *Driver) Remove(id string) error {
	// Protect the d.active from concurrent access
	d.Lock()
	defer d.Unlock()

	if d.active[id] != 0 {
		utils.Errorf("Warning: removing active id %s\n", id)
	}

	mp := path.Join(d.home, "mnt", id)
	if err := d.unmount(id, mp); err != nil {
		return err
	}
	return d.DeviceSet.RemoveDevice(id)
}
示例#19
0
func (container *Container) monitor(callback execdriver.StartCallback) error {
	var (
		err      error
		exitCode int
	)

	if container.command == nil {
		// This happends when you have a GHOST container with lxc
		populateCommand(container)
		err = container.runtime.RestoreCommand(container)
	} else {
		exitCode, err = container.runtime.Run(container, callback)
	}

	if err != nil {
		utils.Errorf("Error running container: %s", err)
	}

	// Cleanup
	container.cleanup()

	// Re-create a brand new stdin pipe once the container exited
	if container.Config.OpenStdin {
		container.stdin, container.stdinPipe = io.Pipe()
	}

	container.State.SetStopped(exitCode)

	if container.runtime != nil && container.runtime.srv != nil {
		container.runtime.srv.LogEvent("die", container.ID, container.runtime.repositories.ImageName(container.Image))
	}

	close(container.waitLock)

	// FIXME: there is a race condition here which causes this to fail during the unit tests.
	// If another goroutine was waiting for Wait() to return before removing the container's root
	// from the filesystem... At this point it may already have done so.
	// This is because State.setStopped() has already been called, and has caused Wait()
	// to return.
	// FIXME: why are we serializing running state to disk in the first place?
	//log.Printf("%s: Failed to dump configuration to the disk: %s", container.ID, err)
	container.ToDisk()

	return err
}
示例#20
0
func (proxy *UDPProxy) Run() {
	readBuf := make([]byte, UDPBufSize)
	utils.Debugf("Starting proxy on udp/%v for udp/%v", proxy.frontendAddr, proxy.backendAddr)
	for {
		read, from, err := proxy.listener.ReadFromUDP(readBuf)
		if err != nil {
			// NOTE: Apparently ReadFrom doesn't return
			// ECONNREFUSED like Read do (see comment in
			// UDPProxy.replyLoop)
			if utils.IsClosedError(err) {
				utils.Debugf("Stopping proxy on udp/%v for udp/%v (socket was closed)", proxy.frontendAddr, proxy.backendAddr)
			} else {
				utils.Errorf("Stopping proxy on udp/%v for udp/%v (%v)", proxy.frontendAddr, proxy.backendAddr, err.Error())
			}
			break
		}

		fromKey := newConnTrackKey(from)
		proxy.connTrackLock.Lock()
		proxyConn, hit := proxy.connTrackTable[*fromKey]
		if !hit {
			proxyConn, err = net.DialUDP("udp", nil, proxy.backendAddr)
			if err != nil {
				log.Printf("Can't proxy a datagram to udp/%s: %v\n", proxy.backendAddr.String(), err)
				continue
			}
			proxy.connTrackTable[*fromKey] = proxyConn
			go proxy.replyLoop(proxyConn, from, fromKey)
		}
		proxy.connTrackLock.Unlock()
		for i := 0; i != read; {
			written, err := proxyConn.Write(readBuf[i:read])
			if err != nil {
				log.Printf("Can't proxy a datagram to udp/%s: %v\n", proxy.backendAddr.String(), err)
				break
			}
			i += written
			utils.Debugf("Forwarded %v/%v bytes to udp/%v", i, read, proxy.backendAddr.String())
		}
	}
}
示例#21
0
文件: aufs.go 项目: Nerdness/docker
// Unmount and remove the dir information
func (a *Driver) Remove(id string) error {
	// Protect the a.active from concurrent access
	a.Lock()
	defer a.Unlock()

	if a.active[id] != 0 {
		utils.Errorf("Warning: removing active id %s\n", id)
	}

	// Make sure the dir is umounted first
	if err := a.unmount(id); err != nil {
		return err
	}
	tmpDirs := []string{
		"mnt",
		"diff",
	}

	// Atomically remove each directory in turn by first moving it out of the
	// way (so that docker doesn't find it anymore) before doing removal of
	// the whole tree.
	for _, p := range tmpDirs {

		realPath := path.Join(a.rootPath(), p, id)
		tmpPath := path.Join(a.rootPath(), p, fmt.Sprintf("%s-removing", id))
		if err := os.Rename(realPath, tmpPath); err != nil && !os.IsNotExist(err) {
			return err
		}
		defer os.RemoveAll(tmpPath)
	}

	// Remove the layers file for the id
	if err := os.Remove(path.Join(a.rootPath(), "layers", id)); err != nil && !os.IsNotExist(err) {
		return err
	}
	return nil
}
示例#22
0
文件: api.go 项目: Nerdness/docker
func httpError(w http.ResponseWriter, err error) {
	statusCode := http.StatusInternalServerError
	// FIXME: this is brittle and should not be necessary.
	// If we need to differentiate between different possible error types, we should
	// create appropriate error types with clearly defined meaning.
	if strings.Contains(err.Error(), "No such") {
		statusCode = http.StatusNotFound
	} else if strings.Contains(err.Error(), "Bad parameter") {
		statusCode = http.StatusBadRequest
	} else if strings.Contains(err.Error(), "Conflict") {
		statusCode = http.StatusConflict
	} else if strings.Contains(err.Error(), "Impossible") {
		statusCode = http.StatusNotAcceptable
	} else if strings.Contains(err.Error(), "Wrong login/password") {
		statusCode = http.StatusUnauthorized
	} else if strings.Contains(err.Error(), "hasn't been activated") {
		statusCode = http.StatusForbidden
	}

	if err != nil {
		utils.Errorf("HTTP Error: statusCode=%d %s", statusCode, err.Error())
		http.Error(w, err.Error(), statusCode)
	}
}
示例#23
0
func (container *Container) Attach(stdin io.ReadCloser, stdinCloser io.Closer, stdout io.Writer, stderr io.Writer) chan error {
	var cStdout, cStderr io.ReadCloser

	var nJobs int
	errors := make(chan error, 3)
	if stdin != nil && container.Config.OpenStdin {
		nJobs += 1
		if cStdin, err := container.StdinPipe(); err != nil {
			errors <- err
		} else {
			go func() {
				utils.Debugf("attach: stdin: begin")
				defer utils.Debugf("attach: stdin: end")
				// No matter what, when stdin is closed (io.Copy unblock), close stdout and stderr
				if container.Config.StdinOnce && !container.Config.Tty {
					defer cStdin.Close()
				} else {
					defer func() {
						if cStdout != nil {
							cStdout.Close()
						}
						if cStderr != nil {
							cStderr.Close()
						}
					}()
				}
				if container.Config.Tty {
					_, err = utils.CopyEscapable(cStdin, stdin)
				} else {
					_, err = io.Copy(cStdin, stdin)
				}
				if err == io.ErrClosedPipe {
					err = nil
				}
				if err != nil {
					utils.Errorf("attach: stdin: %s", err)
				}
				errors <- err
			}()
		}
	}
	if stdout != nil {
		nJobs += 1
		if p, err := container.StdoutPipe(); err != nil {
			errors <- err
		} else {
			cStdout = p
			go func() {
				utils.Debugf("attach: stdout: begin")
				defer utils.Debugf("attach: stdout: end")
				// If we are in StdinOnce mode, then close stdin
				if container.Config.StdinOnce && stdin != nil {
					defer stdin.Close()
				}
				if stdinCloser != nil {
					defer stdinCloser.Close()
				}
				_, err := io.Copy(stdout, cStdout)
				if err == io.ErrClosedPipe {
					err = nil
				}
				if err != nil {
					utils.Errorf("attach: stdout: %s", err)
				}
				errors <- err
			}()
		}
	} else {
		go func() {
			if stdinCloser != nil {
				defer stdinCloser.Close()
			}
			if cStdout, err := container.StdoutPipe(); err != nil {
				utils.Errorf("attach: stdout pipe: %s", err)
			} else {
				io.Copy(&utils.NopWriter{}, cStdout)
			}
		}()
	}
	if stderr != nil {
		nJobs += 1
		if p, err := container.StderrPipe(); err != nil {
			errors <- err
		} else {
			cStderr = p
			go func() {
				utils.Debugf("attach: stderr: begin")
				defer utils.Debugf("attach: stderr: end")
				// If we are in StdinOnce mode, then close stdin
				if container.Config.StdinOnce && stdin != nil {
					defer stdin.Close()
				}
				if stdinCloser != nil {
					defer stdinCloser.Close()
				}
				_, err := io.Copy(stderr, cStderr)
				if err == io.ErrClosedPipe {
					err = nil
				}
				if err != nil {
					utils.Errorf("attach: stderr: %s", err)
				}
				errors <- err
			}()
		}
	} else {
		go func() {
			if stdinCloser != nil {
				defer stdinCloser.Close()
			}

			if cStderr, err := container.StderrPipe(); err != nil {
				utils.Errorf("attach: stdout pipe: %s", err)
			} else {
				io.Copy(&utils.NopWriter{}, cStderr)
			}
		}()
	}

	return utils.Go(func() error {
		defer func() {
			if cStdout != nil {
				cStdout.Close()
			}
			if cStderr != nil {
				cStderr.Close()
			}
		}()

		// FIXME: how to clean up the stdin goroutine without the unwanted side effect
		// of closing the passed stdin? Add an intermediary io.Pipe?
		for i := 0; i < nJobs; i += 1 {
			utils.Debugf("attach: waiting for job %d/%d", i+1, nJobs)
			if err := <-errors; err != nil {
				utils.Errorf("attach: job %d returned error %s, aborting all jobs", i+1, err)
				return err
			}
			utils.Debugf("attach: job %d completed successfully", i+1)
		}
		utils.Debugf("attach: all jobs completed successfully")
		return nil
	})
}
示例#24
0
func (runtime *Runtime) restore() error {
	if os.Getenv("DEBUG") == "" && os.Getenv("TEST") == "" {
		fmt.Printf("Loading containers: ")
	}
	dir, err := ioutil.ReadDir(runtime.repository)
	if err != nil {
		return err
	}
	containers := make(map[string]*Container)
	currentDriver := runtime.driver.String()

	for _, v := range dir {
		id := v.Name()
		container, err := runtime.load(id)
		if os.Getenv("DEBUG") == "" && os.Getenv("TEST") == "" {
			fmt.Print(".")
		}
		if err != nil {
			utils.Errorf("Failed to load container %v: %v", id, err)
			continue
		}

		// Ignore the container if it does not support the current driver being used by the graph
		if container.Driver == "" && currentDriver == "aufs" || container.Driver == currentDriver {
			utils.Debugf("Loaded container %v", container.ID)
			containers[container.ID] = container
		} else {
			utils.Debugf("Cannot load container %s because it was created with another graph driver.", container.ID)
		}
	}

	register := func(container *Container) {
		if err := runtime.Register(container); err != nil {
			utils.Debugf("Failed to register container %s: %s", container.ID, err)
		}
	}

	if entities := runtime.containerGraph.List("/", -1); entities != nil {
		for _, p := range entities.Paths() {
			if os.Getenv("DEBUG") == "" && os.Getenv("TEST") == "" {
				fmt.Print(".")
			}
			e := entities[p]
			if container, ok := containers[e.ID()]; ok {
				register(container)
				delete(containers, e.ID())
			}
		}
	}

	// Any containers that are left over do not exist in the graph
	for _, container := range containers {
		// Try to set the default name for a container if it exists prior to links
		container.Name, err = generateRandomName(runtime)
		if err != nil {
			container.Name = utils.TruncateID(container.ID)
		}

		if _, err := runtime.containerGraph.Set(container.Name, container.ID); err != nil {
			utils.Debugf("Setting default id - %s", err)
		}
		register(container)
	}

	if os.Getenv("DEBUG") == "" && os.Getenv("TEST") == "" {
		fmt.Printf(": done.\n")
	}

	return nil
}