示例#1
0
// Attach will attach a volume to an instance
func (driver *Driver) Attach(volumeName, instanceID string) (string, error) {
	volumes, err := storage.GetVolume("", volumeName)
	if err != nil {
		return "", err
	}

	switch {
	case len(volumes) == 0:
		return "", errors.New("No volumes returned by name")
	case len(volumes) > 1:
		return "", errors.New("Multiple volumes returned by name")
	}

	_, err = storage.AttachVolume(true, volumes[0].VolumeID, instanceID)
	if err != nil {
		return "", err
	}

	volumes, err = storage.GetVolume("", volumeName)
	if err != nil {
		return "", err
	}

	return volumes[0].NetworkName, nil
}
示例#2
0
		if err != nil {
			log.Fatal(err)
		}

	},
}

var attachvolumeCmd = &cobra.Command{
	Use: "attach-volume",
	Run: func(cmd *cobra.Command, args []string) {

		if volumeID == "" {
			log.Fatalf("missing --volumeid")
		}

		volumeAttachment, err := storage.AttachVolume(runAsync, volumeID, instanceID)
		if err != nil {
			log.Fatal(err)
		}

		yamlOutput, err := yaml.Marshal(&volumeAttachment)
		if err != nil {
			log.Fatal(err)
		}
		fmt.Printf(string(yamlOutput))

	},
}

var detachvolumeCmd = &cobra.Command{
	Use: "detach-volume",
示例#3
0
// Mount will perform the steps to get an existing Volume with or without a fileystem mounted to a guest
func (driver *Driver) Mount(volumeName, volumeID string, overwriteFs bool, newFsType string) (string, error) {
	if volumeName == "" && volumeID == "" {
		return "", errors.New("Missing volume name or ID")
	}

	instances, err := storage.GetInstance()
	if err != nil {
		return "", err
	}

	switch {
	case len(instances) == 0:
		return "", errors.New("No instances")
	case len(instances) > 1:
		return "", errors.New("Too many instances returned, limit the storagedrivers")
	}

	volumes, err := storage.GetVolume(volumeID, volumeName)
	if err != nil {
		return "", err
	}

	switch {
	case len(volumes) == 0:
		return "", errors.New("No volumes returned by name")
	case len(volumes) > 1:
		return "", errors.New("Multiple volumes returned by name")
	}

	volumeAttachment, err := storage.GetVolumeAttach(volumes[0].VolumeID, instances[0].InstanceID)
	if err != nil {
		return "", err
	}

	if len(volumeAttachment) == 0 {
		volumeAttachment, err = storage.AttachVolume(false, volumes[0].VolumeID, instances[0].InstanceID)
		if err != nil {
			return "", err
		}
	}

	if len(volumeAttachment) == 0 {
		return "", errors.New("Volume did not attach")
	}

	mounts, err := rros.GetMounts(volumeAttachment[0].DeviceName, "")
	if err != nil {
		return "", err
	}

	if len(mounts) > 0 {
		return mounts[0].Mountpoint, nil
	}

	switch {
	case os.Getenv("REXRAY_DOCKER_VOLUMETYPE") != "":
		newFsType = os.Getenv("REXRAY_DOCKER_VOLUMETYPE")
	case newFsType == "":
		newFsType = "ext4"
	}

	if err := rros.Format(volumeAttachment[0].DeviceName, newFsType, overwriteFs); err != nil {
		return "", err
	}

	mountPath, err := getVolumeMountPath(volumes[0].Name)
	if err != nil {
		return "", err
	}

	if err := os.MkdirAll(mountPath, 0755); err != nil {
		return "", err
	}

	if err := rros.Mount(volumeAttachment[0].DeviceName, mountPath, "", ""); err != nil {
		return "", err
	}

	return mountPath, nil
}