Golang errors.NewErrorWithStatusCode函数代码示例

// VolumeCreate : docker personality implementation for VIC
func (v *Volume) VolumeCreate(name, driverName string, volumeData, labels map[string]string) (*types.Volume, error) {
	defer trace.End(trace.Begin("Volume.VolumeCreate"))

	result, err := v.volumeCreate(name, driverName, volumeData, labels)
	if err != nil {
		switch err := err.(type) {
		case *storage.CreateVolumeConflict:
			return result, derr.NewErrorWithStatusCode(fmt.Errorf("A volume named %s already exists. Choose a different volume name.", name), http.StatusInternalServerError)

		case *storage.CreateVolumeNotFound:
			return result, derr.NewErrorWithStatusCode(fmt.Errorf("No volume store named (%s) exists", volumeStore(volumeData)), http.StatusInternalServerError)

		case *storage.CreateVolumeInternalServerError:
			// FIXME: right now this does not return an error model...
			return result, derr.NewErrorWithStatusCode(fmt.Errorf("%s", err.Error()), http.StatusInternalServerError)

		case *storage.CreateVolumeDefault:
			return result, derr.NewErrorWithStatusCode(fmt.Errorf("%s", err.Payload.Message), http.StatusInternalServerError)

		default:
			return result, derr.NewErrorWithStatusCode(fmt.Errorf("%s", err), http.StatusInternalServerError)
		}
	}

	return result, nil
}

// Use the Portlayer's support for docker ps to get the container count
//   return order: running, paused, stopped counts
func (s *SystemProxy) ContainerCount() (int, int, int, error) {
	defer trace.End(trace.Begin("ContainerCount"))

	var running, paused, stopped int

	plClient := PortLayerClient()
	if plClient == nil {
		return 0, 0, 0, derr.NewErrorWithStatusCode(fmt.Errorf("ContainerCount failed to create a portlayer client"),
			http.StatusInternalServerError)
	}

	all := true
	containList, err := plClient.Containers.GetContainerList(containers.NewGetContainerListParamsWithContext(ctx).WithAll(&all))
	if err != nil {
		return 0, 0, 0, derr.NewErrorWithStatusCode(fmt.Errorf("Failed to get container list: %s", err), http.StatusInternalServerError)
	}

	for _, t := range containList.Payload {
		if *t.ContainerConfig.State == "Running" {
			running++
		} else if *t.ContainerConfig.State == "Stopped" || *t.ContainerConfig.State == "Created" {
			stopped++
		}
	}

	return running, paused, stopped, nil
}

// VolumeRm : docker personality for VIC
func (v *Volume) VolumeRm(name string) error {
	defer trace.End(trace.Begin("Volume.VolumeRm"))

	client := PortLayerClient()
	if client == nil {
		return derr.NewErrorWithStatusCode(fmt.Errorf("Failed to get a portlayer client"), http.StatusInternalServerError)
	}

	// FIXME: check whether this is a name or a UUID. UUID expected for now.
	_, err := client.Storage.RemoveVolume(storage.NewRemoveVolumeParamsWithContext(ctx).WithName(name))
	if err != nil {

		switch err := err.(type) {
		case *storage.RemoveVolumeNotFound:
			return derr.NewRequestNotFoundError(fmt.Errorf("Get %s: no such volume", name))

		case *storage.RemoveVolumeConflict:
			return derr.NewRequestConflictError(fmt.Errorf(err.Payload.Message))

		case *storage.RemoveVolumeInternalServerError:
			return derr.NewErrorWithStatusCode(fmt.Errorf("Server error from portlayer: %s", err.Payload.Message), http.StatusInternalServerError)
		default:
			return derr.NewErrorWithStatusCode(fmt.Errorf("Server error from portlayer: %s", err), http.StatusInternalServerError)
		}
	}
	return nil
}

// Volumes docker personality implementation for VIC
func (v *Volume) Volumes(filter string) ([]*types.Volume, []string, error) {
	defer trace.End(trace.Begin("Volume.Volumes"))
	var volumes []*types.Volume

	client := PortLayerClient()
	if client == nil {
		return nil, nil, derr.NewErrorWithStatusCode(fmt.Errorf("Failed to get a portlayer client"), http.StatusInternalServerError)
	}

	res, err := client.Storage.ListVolumes(storage.NewListVolumesParamsWithContext(ctx).WithFilterString(&filter))
	if err != nil {
		switch err := err.(type) {
		case *storage.ListVolumesInternalServerError:
			return nil, nil, derr.NewErrorWithStatusCode(fmt.Errorf("error from portlayer server: %s", err.Payload.Message), http.StatusInternalServerError)
		case *storage.ListVolumesDefault:
			return nil, nil, derr.NewErrorWithStatusCode(fmt.Errorf("error from portlayer server: %s", err.Payload.Message), http.StatusInternalServerError)
		default:
			return nil, nil, derr.NewErrorWithStatusCode(fmt.Errorf("error from portlayer server: %s", err.Error()), http.StatusInternalServerError)
		}
	}

	volumeResponses := res.Payload

	log.Infoln("volumes found: ")
	for _, vol := range volumeResponses {
		log.Infof("%s", vol.Name)
		volumeMetadata, err := extractDockerMetadata(vol.Metadata)
		if err != nil {
			return nil, nil, fmt.Errorf("error unmarshalling docker metadata: %s", err)
		}
		volume := NewVolumeModel(vol, volumeMetadata.Labels)
		volumes = append(volumes, volume)
	}
	return volumes, nil, nil
}

// VolumeInspect : docker personality implementation for VIC
func (v *Volume) VolumeInspect(name string) (*types.Volume, error) {
	defer trace.End(trace.Begin(name))

	client := PortLayerClient()
	if client == nil {
		return nil, fmt.Errorf("failed to get a portlayer client")
	}

	if name == "" {
		return nil, nil
	}

	param := storage.NewGetVolumeParamsWithContext(ctx).WithName(name)
	res, err := client.Storage.GetVolume(param)
	if err != nil {
		switch err := err.(type) {
		case *storage.GetVolumeNotFound:
			return nil, VolumeNotFoundError(name)
		default:
			return nil, derr.NewErrorWithStatusCode(fmt.Errorf("error from portlayer server: %s", err.Error()), http.StatusInternalServerError)
		}
	}

	volumeMetadata, err := extractDockerMetadata(res.Payload.Metadata)
	if err != nil {
		return nil, derr.NewErrorWithStatusCode(fmt.Errorf("error unmarshalling docker metadata: %s", err), http.StatusInternalServerError)
	}
	volume := NewVolumeModel(res.Payload, volumeMetadata.Labels)

	return volume, nil
}

// ContainerRunning returns true if the given container is running
func (c *ContainerProxy) ContainerRunning(vc *viccontainer.VicContainer) (bool, error) {
	defer trace.End(trace.Begin(""))

	if c.client == nil {
		return false, derr.NewErrorWithStatusCode(fmt.Errorf("ContainerProxy.CommitContainerHandle failed to create a portlayer client"),
			http.StatusInternalServerError)
	}

	results, err := c.client.Containers.GetContainerInfo(containers.NewGetContainerInfoParamsWithContext(ctx).WithID(vc.ContainerID))
	if err != nil {
		switch err := err.(type) {
		case *containers.GetContainerInfoNotFound:
			return false, derr.NewRequestNotFoundError(fmt.Errorf("No such container: %s", vc.ContainerID))
		case *containers.GetContainerInfoInternalServerError:
			return false, derr.NewErrorWithStatusCode(fmt.Errorf("Error from portlayer: %#v", err.Payload), http.StatusInternalServerError)
		default:
			return false, derr.NewErrorWithStatusCode(fmt.Errorf("Unknown error from the container portlayer"), http.StatusInternalServerError)
		}
	}

	inspectJSON, err := ContainerInfoToDockerContainerInspect(vc, results.Payload, c.portlayerName)
	if err != nil {
		log.Errorf("containerInfoToDockerContainerInspect failed with %s", err)
		return false, err
	}

	return inspectJSON.State.Running, nil
}

//VolumeCreate : docker personality implementation for VIC
func (v *Volume) VolumeCreate(name, driverName string, opts, labels map[string]string) (*types.Volume, error) {
	defer trace.End(trace.Begin("Volume.VolumeCreate"))
	result := &types.Volume{}

	//TODO: design a way to have better error returns.

	client := PortLayerClient()
	if client == nil {
		return nil, derr.NewErrorWithStatusCode(fmt.Errorf("Failed to get a portlayer client"), http.StatusInternalServerError)
	}

	//TODO: support having another driver besides vsphere.
	//assign the values of the model to be passed to the portlayer handler
	model, varErr := translateInputsToPortlayerRequestModel(name, driverName, opts, labels)
	if varErr != nil {
		return result, derr.NewErrorWithStatusCode(fmt.Errorf("Bad Driver Arg: %s", varErr), http.StatusBadRequest)
	}

	//TODO: setup name randomization if name == nil

	res, err := client.Storage.CreateVolume(storage.NewCreateVolumeParams().WithVolumeRequest(&model))
	if err != nil {
		return result, derr.NewErrorWithStatusCode(fmt.Errorf("Server error from Portlayer: %s", err), http.StatusInternalServerError)
	}

	result = fillDockerVolumeModel(res.Payload, labels)
	return result, nil
}

func MockAddToScopeData() []AddToScopeMockData {
	addToScopeNotFound := plscopes.AddContainerNotFound{
		Payload: &plmodels.Error{
			Message: "Scope not found",
		},
	}

	addToScopeNotFoundErr := fmt.Errorf("ContainerProxy.AddContainerToScope: Scopes error: %s", addToScopeNotFound.Error())

	addToScopeTimeout := plscopes.AddContainerInternalServerError{
		Payload: &plmodels.Error{
			Message: "context deadline exceeded",
		},
	}

	addToScopeTimeoutErr := fmt.Errorf("ContainerProxy.AddContainerToScope: Scopes error: %s", addToScopeTimeout.Error())

	mockAddToScopeData := []AddToScopeMockData{
		{"busybox", "handle", nil, ""},
		{"busybox", "handle", derr.NewErrorWithStatusCode(fmt.Errorf("container.ContainerCreate failed to create a portlayer client"), http.StatusInternalServerError), "failed to create a portlayer"},
		{"busybox", "handle", derr.NewErrorWithStatusCode(addToScopeNotFoundErr, http.StatusInternalServerError), "Scope not found"},
		{"busybox", "handle", derr.NewErrorWithStatusCode(addToScopeTimeoutErr, http.StatusInternalServerError), "context deadline exceeded"},
	}

	return mockAddToScopeData
}

func (n *Network) CreateNetwork(name, driver string, ipam apinet.IPAM, options map[string]string, labels map[string]string, internal bool, enableIPv6 bool) (libnetwork.Network, error) {
	if len(ipam.Config) > 1 {
		return nil, fmt.Errorf("at most one ipam config supported")
	}

	var gateway, subnet *string
	var pools []string
	if len(ipam.Config) > 0 {
		if ipam.Config[0].Gateway != "" {
			gateway = new(string)
			*gateway = ipam.Config[0].Gateway
		}

		if ipam.Config[0].Subnet != "" {
			subnet = new(string)
			*subnet = ipam.Config[0].Subnet
		}

		if ipam.Config[0].IPRange != "" {
			pools = append(pools, ipam.Config[0].IPRange)
		}
	}

	if driver == "" {
		driver = "bridge"
	}

	cfg := &models.ScopeConfig{
		Gateway:   gateway,
		Name:      name,
		ScopeType: driver,
		Subnet:    subnet,
		IPAM:      pools,
	}

	created, err := PortLayerClient().Scopes.CreateScope(scopes.NewCreateScopeParamsWithContext(ctx).WithConfig(cfg))
	if err != nil {
		switch err := err.(type) {
		case *scopes.CreateScopeConflict:
			return nil, derr.NewErrorWithStatusCode(fmt.Errorf("network %s already exists", name), http.StatusConflict)

		case *scopes.CreateScopeDefault:
			return nil, derr.NewErrorWithStatusCode(fmt.Errorf(err.Payload.Message), http.StatusInternalServerError)

		default:
			return nil, derr.NewErrorWithStatusCode(err, http.StatusInternalServerError)
		}
	}

	return &network{cfg: created.Payload}, nil
}

func (n *Network) GetNetworkByName(idName string) (libnetwork.Network, error) {
	ok, err := PortLayerClient().Scopes.List(scopes.NewListParamsWithContext(ctx).WithIDName(idName))
	if err != nil {
		switch err := err.(type) {
		case *scopes.ListNotFound:
			return nil, nil

		case *scopes.ListDefault:
			return nil, derr.NewErrorWithStatusCode(fmt.Errorf(err.Payload.Message), http.StatusInternalServerError)

		default:
			return nil, derr.NewErrorWithStatusCode(err, http.StatusInternalServerError)
		}
	}

	return &network{cfg: ok.Payload[0]}, nil
}

// ContainerStart starts a container.
func (daemon *Daemon) ContainerStart(name string, hostConfig *containertypes.HostConfig) error {
	container, err := daemon.GetContainer(name)
	if err != nil {
		return err
	}

	if container.IsPaused() {
		return fmt.Errorf("Cannot start a paused container, try unpause instead.")
	}

	if container.IsRunning() {
		err := fmt.Errorf("Container already started")
		return errors.NewErrorWithStatusCode(err, http.StatusNotModified)
	}

	// Windows does not have the backwards compatibility issue here.
	if runtime.GOOS != "windows" {
		// This is kept for backward compatibility - hostconfig should be passed when
		// creating a container, not during start.
		if hostConfig != nil {
			logrus.Warn("DEPRECATED: Setting host configuration options when the container starts is deprecated and will be removed in Docker 1.12")
			oldNetworkMode := container.HostConfig.NetworkMode
			if err := daemon.setSecurityOptions(container, hostConfig); err != nil {
				return err
			}
			if err := daemon.setHostConfig(container, hostConfig); err != nil {
				return err
			}
			newNetworkMode := container.HostConfig.NetworkMode
			if string(oldNetworkMode) != string(newNetworkMode) {
				// if user has change the network mode on starting, clean up the
				// old networks. It is a deprecated feature and will be removed in Docker 1.12
				container.NetworkSettings.Networks = nil
				if err := container.ToDisk(); err != nil {
					return err
				}
			}
			container.InitDNSHostConfig()
		}
	} else {
		if hostConfig != nil {
			return fmt.Errorf("Supplying a hostconfig on start is not supported. It should be supplied on create")
		}
	}

	// check if hostConfig is in line with the current system settings.
	// It may happen cgroups are umounted or the like.
	if _, err = daemon.verifyContainerSettings(container.HostConfig, nil, false); err != nil {
		return err
	}
	// Adapt for old containers in case we have updates in this function and
	// old containers never have chance to call the new function in create stage.
	if err := daemon.adaptContainerSettings(container.HostConfig, false); err != nil {
		return err
	}

	return daemon.containerStart(container)
}

func (n *Network) DeleteNetwork(name string) error {
	client := PortLayerClient()

	if _, err := client.Scopes.DeleteScope(scopes.NewDeleteScopeParamsWithContext(ctx).WithIDName(name)); err != nil {
		switch err := err.(type) {
		case *scopes.DeleteScopeNotFound:
			return derr.NewRequestNotFoundError(fmt.Errorf("network %s not found", name))

		case *scopes.DeleteScopeInternalServerError:
			return derr.NewErrorWithStatusCode(fmt.Errorf(err.Payload.Message), http.StatusInternalServerError)

		default:
			return derr.NewErrorWithStatusCode(err, http.StatusInternalServerError)
		}
	}

	return nil
}

func (s *SystemProxy) VCHInfo() (*models.VCHInfo, error) {
	defer trace.End(trace.Begin("VCHInfo"))

	plClient := PortLayerClient()
	if plClient == nil {
		return nil, derr.NewErrorWithStatusCode(fmt.Errorf("VCHInfo failed to create a portlayer client"),
			http.StatusInternalServerError)
	}

	params := misc.NewGetVCHInfoParamsWithContext(ctx)
	resp, err := plClient.Misc.GetVCHInfo(params)
	if err != nil {
		//There are no custom error for this operation.  If we get back an error, it's
		//unknown.
		return nil, derr.NewErrorWithStatusCode(fmt.Errorf("Unknown error from port layer: %s", err),
			http.StatusInternalServerError)
	}

	return resp.Payload, nil
}

func MockCommitData() []CommitHandleMockData {
	noSuchImageErr := fmt.Errorf("No such image: busybox")

	mockCommitData := []CommitHandleMockData{
		{"buxybox", "", nil},
		{"busybox", "failed to create a portlayer", derr.NewErrorWithStatusCode(fmt.Errorf("container.ContainerCreate failed to create a portlayer client"), http.StatusInternalServerError)},
		{"busybox", "No such image", derr.NewRequestNotFoundError(noSuchImageErr)},
	}

	return mockCommitData
}

func MockCreateHandleData() []CreateHandleMockData {
	createHandleTimeoutErr := client.NewAPIError("unknown error", "context deadline exceeded", http.StatusServiceUnavailable)

	mockCreateHandleData := []CreateHandleMockData{
		{"busybox", "321cba", "handle", nil, ""},
		{"busybox", "", "", derr.NewRequestNotFoundError(fmt.Errorf("No such image: abc123")), "No such image"},
		{"busybox", "", "", derr.NewErrorWithStatusCode(createHandleTimeoutErr, http.StatusInternalServerError), "context deadline exceeded"},
	}

	return mockCreateHandleData
}