示例#1
0
func wsContainersAttach(eng *engine.Engine, version version.Version, 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("container_inspect", vars["name"]).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 {
			log.Errorf("Error attaching websocket: %s", err)
		}
	})
	h.ServeHTTP(w, r)

	return nil
}
示例#2
0
func makeHttpHandler(eng *engine.Engine, logging bool, localMethod string, localRoute string, handlerFunc HttpApiFunc, enableCors bool, dockerVersion version.Version) http.HandlerFunc {
	return func(w http.ResponseWriter, r *http.Request) {
		// log the request
		log.Debugf("Calling %s %s", localMethod, localRoute)

		if logging {
			log.Infof("%s %s", 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 && !dockerVersion.Equal(version.Version(userAgent[1])) {
				log.Debugf("Warning: client and server don't have the same version (client: %s, server: %s)", userAgent[1], dockerVersion)
			}
		}
		version := version.Version(mux.Vars(r)["version"])
		if version == "" {
			version = api.APIVERSION
		}
		if enableCors {
			writeCorsHeaders(w, r)
		}

		if version.GreaterThan(api.APIVERSION) {
			http.Error(w, fmt.Errorf("client and server don't have same version (client : %s, server: %s)", version, api.APIVERSION).Error(), http.StatusNotFound)
			return
		}

		if err := handlerFunc(eng, version, w, r, mux.Vars(r)); err != nil {
			log.Errorf("Handler for %s %s returned error: %s", localMethod, localRoute, err)
			httpError(w, err)
		}
	}
}
示例#3
0
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.
	errStr := strings.ToLower(err.Error())
	if strings.Contains(errStr, "no such") {
		statusCode = http.StatusNotFound
	} else if strings.Contains(errStr, "bad parameter") {
		statusCode = http.StatusBadRequest
	} else if strings.Contains(errStr, "conflict") {
		statusCode = http.StatusConflict
	} else if strings.Contains(errStr, "impossible") {
		statusCode = http.StatusNotAcceptable
	} else if strings.Contains(errStr, "wrong login/password") {
		statusCode = http.StatusUnauthorized
	} else if strings.Contains(errStr, "hasn't been activated") {
		statusCode = http.StatusForbidden
	}

	if err != nil {
		log.Errorf("HTTP Error: statusCode=%d %s", statusCode, err.Error())
		http.Error(w, err.Error(), statusCode)
	}
}
示例#4
0
func MatchesContentType(contentType, expectedType string) bool {
	mimetype, _, err := mime.ParseMediaType(contentType)
	if err != nil {
		log.Errorf("Error parsing media type: %s error: %s", contentType, err.Error())
	}
	return err == nil && mimetype == expectedType
}
// Check if an image exists in the Registry
// TODO: This method should return the errors instead of masking them and returning false
func (r *Session) LookupRemoteImage(imgID, registry string, token []string) bool {

	req, err := r.reqFactory.NewRequest("GET", registry+"images/"+imgID+"/json", nil)
	if err != nil {
		log.Errorf("Error in LookupRemoteImage %s", err)
		return false
	}
	setTokenAuth(req, token)
	res, _, err := r.doRequest(req)
	if err != nil {
		log.Errorf("Error in LookupRemoteImage %s", err)
		return false
	}
	res.Body.Close()
	return res.StatusCode == 200
}
示例#6
0
func GetTotalUsedFds() int {
	if fds, err := ioutil.ReadDir(fmt.Sprintf("/proc/%d/fd", os.Getpid())); err != nil {
		log.Errorf("Error opening /proc/%d/fd: %s", os.Getpid(), err)
	} else {
		return len(fds)
	}
	return -1
}
// Matches returns true if relFilePath matches any of the patterns
func Matches(relFilePath string, patterns []string) (bool, error) {
	for _, exclude := range patterns {
		matched, err := filepath.Match(exclude, relFilePath)
		if err != nil {
			log.Errorf("Error matching: %s (pattern: %s)", relFilePath, exclude)
			return false, err
		}
		if matched {
			if filepath.Clean(relFilePath) == "." {
				log.Errorf("Can't exclude whole path, excluding pattern: %s", exclude)
				continue
			}
			log.Debugf("Skipping excluded path: %s", relFilePath)
			return true, nil
		}
	}
	return false, nil
}
示例#8
0
func Unmount(target string) error {
	if err := exec.Command("auplink", target, "flush").Run(); err != nil {
		log.Errorf("[warning]: couldn't run auplink before unmount: %s", err)
	}
	if err := syscall.Unmount(target, 0); err != nil {
		return err
	}
	return nil
}
示例#9
0
// 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 {
			log.Errorf("Unmounting %s: %s", utils.TruncateID(id), err)
		}
	}

	return mountpk.Unmount(a.root)
}
func (devices *DeviceSet) deactivateDevice(info *DevInfo) error {
	log.Debugf("[devmapper] deactivateDevice(%s)", info.Hash)
	defer log.Debugf("[devmapper] deactivateDevice END")

	// Wait for the unmount to be effective,
	// by watching the value of Info.OpenCount for the device
	if err := devices.waitClose(info); err != nil {
		log.Errorf("Warning: error waiting for device %s to close: %s", info.Hash, err)
	}

	devinfo, err := devicemapper.GetInfo(info.Name())
	if err != nil {
		return err
	}
	if devinfo.Exists != 0 {
		if err := devices.removeDeviceAndWait(info.Name()); err != nil {
			return err
		}
	}

	return nil
}
示例#11
0
func postCommit(eng *engine.Engine, version version.Version, 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"))
		stdoutBuffer = bytes.NewBuffer(nil)
	)

	if err := checkForJson(r); err != nil {
		return err
	}

	if err := config.Decode(r.Body); err != nil {
		log.Errorf("%s", err)
	}

	if r.FormValue("pause") == "" && version.GreaterThanOrEqualTo("1.13") {
		job.Setenv("pause", "1")
	} else {
		job.Setenv("pause", r.FormValue("pause"))
	}

	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)

	job.Stdout.Add(stdoutBuffer)
	if err := job.Run(); err != nil {
		return err
	}
	env.Set("Id", engine.Tail(stdoutBuffer, 1))
	return writeJSON(w, http.StatusCreated, env)
}
示例#12
0
func postContainersCopy(eng *engine.Engine, version version.Version, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
	if vars == nil {
		return fmt.Errorf("Missing parameter")
	}

	var copyData engine.Env

	if err := checkForJson(r); err != nil {
		return err
	}

	if err := copyData.Decode(r.Body); err != nil {
		return err
	}

	if copyData.Get("Resource") == "" {
		return fmt.Errorf("Path cannot be empty")
	}

	origResource := copyData.Get("Resource")

	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)
	w.Header().Set("Content-Type", "application/x-tar")
	if err := job.Run(); err != nil {
		log.Errorf("%s", err.Error())
		if strings.Contains(strings.ToLower(err.Error()), "no such container") {
			w.WriteHeader(http.StatusNotFound)
		} else if strings.Contains(err.Error(), "no such file or directory") {
			return fmt.Errorf("Could not find the file %s in container %s", origResource, vars["name"])
		}
	}
	return nil
}
示例#13
0
// 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 {
		log.Errorf("Warning: removing active id %s", 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#14
0
func (d *Driver) Put(id string) {
	if err := d.DeviceSet.UnmountDevice(id); err != nil {
		log.Errorf("Warning: error unmounting device %s: %s", id, err)
	}
}