Golang jobs.Response类代码示例

func (j *PatchEnvironmentRequest) Execute(resp jobs.Response) {
	if err := j.Write(true); err != nil {
		resp.Failure(ErrEnvironmentUpdateFailed)
		return
	}
	resp.Success(jobs.ResponseOk)
}

func (j *ListContainersRequest) Execute(resp jobs.Response) {
	r := &ListContainersResponse{make(ContainerUnitResponses, 0)}

	if err := unitsMatching(reContainerUnits, func(name string, unit *dbus.UnitStatus) {
		if unit.LoadState == "not-found" || unit.LoadState == "masked" {
			return
		}
		r.Containers = append(r.Containers, ContainerUnitResponse{
			UnitResponse{
				name,
				unit.ActiveState,
				unit.SubState,
			},
			unit.LoadState,
			unit.JobType,
			"",
		})
	}); err != nil {
		log.Printf("list_units: Unable to list units from systemd: %v", err)
		resp.Failure(ErrListContainersFailed)
		return
	}

	r.Sort()
	resp.SuccessWithData(jobs.ResponseOk, r)
}

func (j *CreateKeysRequest) Execute(resp jobs.Response) {
	failedKeys := []KeyFailure{}
	for i := range j.Keys {
		key := j.Keys[i]

		locator, err := key.Create()
		if err != nil {
			failedKeys = append(failedKeys, KeyFailure{i, &key, err})
			continue
		}

		for k := range j.Permissions {
			if err := j.Permissions[k].Create(locator); err != nil {
				failedKeys = append(failedKeys, KeyFailure{i, &key, err})
				continue
			}
		}
	}

	if len(failedKeys) > 0 {
		data := make([]KeyStructuredFailure, len(failedKeys))
		for i := range failedKeys {
			data[i] = KeyStructuredFailure{failedKeys[i].Index, failedKeys[i].Reason.Error()}
			log.Printf("Failure %d: %+v", failedKeys[i].Index, failedKeys[i].Reason)
		}
		resp.Failure(jobs.StructuredJobError{jobs.SimpleError{jobs.ResponseError, "Not all keys were completed"}, data})
	} else {
		resp.Success(jobs.ResponseOk)
	}
}

func (j AddAliasRequest) Execute(resp jobs.Response) {
	value, ok := router.GlobalRoutes[j.Frontend]
	if ok {
		router.AddAlias(j.Alias, value.Name)
	} else {
		router.CreateFrontend(j.Frontend, j.Alias)
	}
	resp.Success(jobs.ResponseOk)
}

func (j *LinkContainersRequest) Execute(resp jobs.Response) {
	for i := range j.Links {
		if errw := j.Links[i].NetworkLinks.Write(j.Links[i].Id.NetworkLinksPathFor(), false); errw != nil {
			resp.Failure(ErrLinkContainersFailed)
			return
		}
	}

	resp.Success(jobs.ResponseOk)
}

func (j *ContainerPortsRequest) Execute(resp jobs.Response) {
	portPairs, err := containers.GetExistingPorts(j.Id)
	if err != nil {
		log.Printf("job_container_ports_log: Unable to find unit: %s\n", err.Error())
		resp.Failure(ErrContainerNotFound)
		return
	}

	resp.SuccessWithData(jobs.ResponseAccepted, ContainerPortsResponse{portPairs})
}

func (j *ContainerLogRequest) Execute(resp jobs.Response) {
	if _, err := os.Stat(j.Id.UnitPathFor()); err != nil {
		resp.Failure(ErrContainerNotFound)
		return
	}

	w := resp.SuccessWithWrite(jobs.ResponseOk, true, false)
	err := systemd.WriteLogsTo(w, j.Id.UnitNameFor(), 30, time.After(30*time.Second))
	if err != nil {
		log.Printf("job_container_log: Unable to fetch journal logs: %s\n", err.Error())
	}
}

func (j *ContainerStatusRequest) Execute(resp jobs.Response) {
	if _, err := os.Stat(j.Id.UnitPathFor()); err != nil {
		//log.Printf("container_status: Can't stat unit: %v", err)
		resp.Failure(ErrContainerNotFound)
		return
	}

	w := resp.SuccessWithWrite(jobs.ResponseOk, true, false)
	err := systemd.WriteStatusTo(w, j.Id.UnitNameFor())
	if err != nil {
		log.Printf("container_status: Unable to fetch container status logs: %s\n", err.Error())
	}
}

func (j UpdateFrontendRequest) Execute(resp jobs.Response) {
	// detach empty frontends
	for _, frontend := range j.Frontends {
		if frontend.BackendId == "" {
			frontend.Remove()
		}
	}

	errs := []backendError{}
	for _, backend := range j.Backends {
		if err := utils.WriteToPathExclusive(backend.Id.BackendPathFor(), 0554, backend); err != nil {
			errs = append(errs, backendError{backend.Id, err})
		}
	}
	if len(errs) != 0 {
		log.Printf("Unable to persist some backends: %+v", errs)
		resp.Failure(ErrBackendWriteFailed)
		return
	}
	resp.Success(jobs.ResponseOk)
}

func (j *ContentRequest) Execute(resp jobs.Response) {
	switch j.Type {
	case ContentTypeEnvironment:
		id, errr := containers.NewIdentifier(j.Locator)
		if errr != nil {
			resp.Failure(jobs.SimpleError{jobs.ResponseInvalidRequest, fmt.Sprintf("Invalid environment identifier: %s", errr.Error())})
			return
		}
		file, erro := os.Open(id.EnvironmentPathFor())
		if erro != nil {
			resp.Failure(ErrEnvironmentNotFound)
			return
		}
		defer file.Close()
		w := resp.SuccessWithWrite(jobs.ResponseOk, false, false)
		if _, err := io.Copy(w, file); err != nil {
			log.Printf("job_content: Unable to write environment file: %+v", err)
			return
		}
	}
}

func (j *ListImagesRequest) Execute(resp jobs.Response) {
	// TODO: config item for docker port
	dockerClient, err := docker.NewClient(j.DockerSocket)

	if err != nil {
		log.Printf("job_list_images: Couldn't connect to docker: %+v", err)
		resp.Failure(ErrListImagesFailed)
		return
	}

	imgs, err := dockerClient.ListImages(false)

	if err != nil {
		log.Printf("job_list_images: Couldn't connect to docker: %+v", err)
		resp.Failure(ErrListImagesFailed)
		return
	}

	w := resp.SuccessWithWrite(jobs.ResponseAccepted, true, false)
	for _, img := range imgs {
		fmt.Fprintf(w, "%+v\n", img.RepoTags[0])
	}
}

func (req *InstallContainerRequest) Execute(resp jobs.Response) {
	id := req.Id
	unitName := id.UnitNameFor()
	unitPath := id.UnitPathFor()
	unitVersionPath := id.VersionedUnitPathFor(req.RequestIdentifier.String())

	socketUnitName := id.SocketUnitNameFor()
	socketUnitPath := id.SocketUnitPathFor()
	var socketActivationType string
	if req.SocketActivation {
		socketActivationType = "enabled"
		if !req.SkipSocketProxy {
			socketActivationType = "proxied"
		}
	}

	// attempt to download the environment if it is remote
	env := req.Environment
	if env != nil {
		if err := env.Fetch(100 * 1024); err != nil {
			resp.Failure(ErrContainerCreateFailed)
			return
		}
		if env.Empty() {
			env = nil
		}
	}

	// open and lock the base path (to prevent simultaneous updates)
	state, exists, err := utils.OpenFileExclusive(unitPath, 0664)
	if err != nil {
		log.Print("install_container: Unable to lock unit file: ", err)
		resp.Failure(ErrContainerCreateFailed)
	}
	defer state.Close()

	// write a new file to disk that describes the new service
	unit, err := utils.CreateFileExclusive(unitVersionPath, 0664)
	if err != nil {
		log.Print("install_container: Unable to open unit file definition: ", err)
		resp.Failure(ErrContainerCreateFailed)
		return
	}
	defer unit.Close()

	// if this is an existing container, read the currently reserved ports
	existingPorts := port.PortPairs{}
	if exists {
		existingPorts, err = containers.GetExistingPorts(id)
		if err != nil {
			if _, ok := err.(*os.PathError); !ok {
				log.Print("install_container: Unable to read existing ports from file: ", err)
				resp.Failure(ErrContainerCreateFailed)
				return
			}
		}
	}

	// allocate and reserve ports for this container
	reserved, erra := port.AtomicReserveExternalPorts(unitVersionPath, req.Ports, existingPorts)
	if erra != nil {
		log.Printf("install_container: Unable to reserve external ports: %+v", erra)
		resp.Failure(ErrContainerCreateFailedPortsReserved)
		return
	}
	if len(reserved) > 0 {
		resp.WritePendingSuccess(PendingPortMappingName, reserved)
	}

	var portSpec string
	if req.Simple && len(reserved) == 0 {
		portSpec = "-P"
	} else {
		portSpec = dockerPortSpec(reserved)
	}

	// write the environment to disk
	var environmentPath string
	if env != nil {
		if errw := env.Write(false); errw != nil {
			resp.Failure(ErrContainerCreateFailed)
			return
		}
		environmentPath = env.Id.EnvironmentPathFor()
	}

	// write the network links (if any) to disk
	if req.NetworkLinks != nil {
		if errw := req.NetworkLinks.Write(id.NetworkLinksPathFor(), false); errw != nil {
			resp.Failure(ErrContainerCreateFailed)
			return
		}
	}

	slice := "container-small"

	// write the definition unit file
	args := csystemd.ContainerUnit{
		Id:       id,
		Image:    req.Image,
//.........这里部分代码省略.........

func (j CreateRepositoryRequest) Execute(resp jobs.Response) {
	unitName := fmt.Sprintf("job-create-repo-%s.service", j.RequestId.String())
	path := j.Id.HomePath()

	if _, err := os.Stat(path); err == nil || !os.IsNotExist(err) {
		resp.Failure(ErrRepositoryAlreadyExists)
		return
	}

	conn, errc := systemd.NewConnection()
	if errc != nil {
		log.Print("create_repository:", errc)
		return
	}

	if err := conn.Subscribe(); err != nil {
		log.Print("create_repository:", err)
		return
	}
	defer conn.Unsubscribe()

	// make subscription global for efficiency
	changes, errch := conn.SubscribeUnitsCustom(1*time.Second, 2,
		func(s1 *dbus.UnitStatus, s2 *dbus.UnitStatus) bool {
			return true
		},
		func(unit string) bool {
			return unit != unitName
		})

	stdout, err := systemd.ProcessLogsForUnit(unitName)
	if err != nil {
		stdout = utils.EmptyReader
		log.Printf("create_repository: Unable to fetch build logs: %+v", err)
	}
	defer stdout.Close()

	startCmd := []string{
		filepath.Join("/", "usr", "bin", "gear"),
		"init-repo",
		string(j.Id),
	}
	if j.CloneUrl != "" {
		startCmd = append(startCmd, j.CloneUrl)
	}

	status, err := conn.StartTransientUnit(
		unitName,
		"fail",
		dbus.PropExecStart(startCmd, true),
		dbus.PropDescription(fmt.Sprintf("Create repository %s", j.Id)),
		dbus.PropRemainAfterExit(true),
		dbus.PropSlice("githost.slice"),
	)
	if err != nil {
		log.Printf("create_repository: Could not start unit %s: %s", unitName, systemd.SprintSystemdError(err))
		resp.Failure(ErrRepositoryCreateFailed)
		return
	} else if status != "done" {
		log.Printf("create_repository: Unit did not return 'done'")
		resp.Failure(ErrRepositoryCreateFailed)
		return
	}

	w := resp.SuccessWithWrite(jobs.ResponseAccepted, true, false)
	go io.Copy(w, stdout)

wait:
	for {
		select {
		case c := <-changes:
			if changed, ok := c[unitName]; ok {
				if changed.SubState != "running" {
					fmt.Fprintf(w, "Repository created succesfully\n")
					break wait
				}
			}
		case err := <-errch:
			fmt.Fprintf(w, "Error %+v\n", err)
		case <-time.After(10 * time.Second):
			log.Print("create_repository:", "timeout")
			break wait
		}
	}

	stdout.Close()
}

func (j GitArchiveContentRequest) Execute(resp jobs.Response) {
	w := resp.SuccessWithWrite(jobs.ResponseOk, false, false)
	if err := writeGitRepositoryArchive(w, j.RepositoryId.RepositoryPathFor(), j.Ref); err != nil {
		log.Printf("job_content: Invalid git repository stream: %v", err)
	}
}

func (h *HttpTransport) ExecuteRemote(baseUrl *url.URL, job RemoteExecutable, res jobs.Response) error {
	reader, writer := io.Pipe()
	httpreq, errn := http.NewRequest(job.HttpMethod(), baseUrl.String(), reader)
	if errn != nil {
		return errn
	}

	id := job.MarshalRequestIdentifier()
	if len(id) == 0 {
		id = jobs.NewRequestIdentifier()
	}

	query := &url.Values{}
	job.MarshalUrlQuery(query)

	req := httpreq
	req.Header.Set("X-Request-Id", id.String())
	req.Header.Set("If-Match", "api="+ApiVersion())
	req.Header.Set("Content-Type", "application/json")
	//TODO: introduce API version per job
	//TODO: content request signing for GETs
	req.URL.Path = job.HttpPath()
	req.URL.RawQuery = query.Encode()
	go func() {
		if err := job.MarshalHttpRequestBody(writer); err != nil {
			log.Printf("http_remote: Error when writing to http: %v", err)
			writer.CloseWithError(err)
		} else {
			writer.Close()
		}
	}()

	resp, err := h.client.Do(req)
	if err != nil {
		return err
	}
	defer resp.Body.Close()

	isJson := resp.Header.Get("Content-Type") == "application/json"

	switch code := resp.StatusCode; {
	case code == 202:
		if isJson {
			return errors.New("Decoding of streaming JSON has not been implemented")
		}
		data, err := job.UnmarshalHttpResponse(resp.Header, nil, ResponseTable)
		if err != nil {
			return err
		}
		if pending, ok := data.(map[string]interface{}); ok {
			for k := range pending {
				res.WritePendingSuccess(k, pending[k])
			}
		}
		w := res.SuccessWithWrite(jobs.ResponseOk, false, false)
		if _, err := io.Copy(w, resp.Body); err != nil {
			return err
		}
	case code == 204:
		data, err := job.UnmarshalHttpResponse(resp.Header, nil, ResponseTable)
		if err != nil {
			return err
		}
		if pending, ok := data.(map[string]interface{}); ok {
			for k := range pending {
				res.WritePendingSuccess(k, pending[k])
			}
		}
		res.Success(jobs.ResponseOk)
	case code >= 200 && code < 300:
		if !isJson {
			return errors.New(fmt.Sprintf("remote: Response with %d status code had content type %s (should be application/json)", code, resp.Header.Get("Content-Type")))
		}
		data, err := job.UnmarshalHttpResponse(nil, resp.Body, ResponseJson)
		if err != nil {
			return err
		}
		res.SuccessWithData(jobs.ResponseOk, data)
	default:
		if isJson {
			decoder := json.NewDecoder(resp.Body)
			data := httpFailureResponse{}
			if err := decoder.Decode(&data); err != nil {
				return err
			}
			res.Failure(jobs.SimpleError{jobs.ResponseError, data.Message})
			return nil
		}
		io.Copy(os.Stderr, resp.Body)
		res.Failure(jobs.SimpleError{jobs.ResponseError, "Unable to decode response."})
	}
	return nil
}