コード例 #1
0
ファイル: s3.go プロジェクト: deniseschannon/rancher-volume
func initFunc(root, cfgName string, config map[string]string) (objectstore.ObjectStoreDriver, error) {
	b := &S3ObjectStoreDriver{}
	if cfgName != "" {
		if util.ConfigExists(root, cfgName) {
			err := util.LoadConfig(root, cfgName, b)
			if err != nil {
				return nil, err
			}
			return b, nil
		} else {
			return nil, fmt.Errorf("Wrong configuration file for S3 objectstore driver")
		}
	}

	b.Service.Keys.AccessKey = config[S3_ACCESS_KEY]
	b.Service.Keys.SecretKey = config[S3_SECRET_KEY]
	b.Service.Region = config[S3_REGION]
	b.Service.Bucket = config[S3_BUCKET]
	b.Path = config[S3_PATH]
	if b.Service.Keys.AccessKey == "" || b.Service.Keys.SecretKey == "" ||
		b.Service.Region == "" || b.Service.Bucket == "" || b.Path == "" {
		return nil, fmt.Errorf("Cannot find all required fields: %v %v %v %v %v",
			S3_ACCESS_KEY, S3_SECRET_KEY, S3_REGION, S3_BUCKET, S3_PATH)
	}

	if strings.HasPrefix(b.Path, "/") {
		return nil, fmt.Errorf("Slash '/' is not allowed at beginning of path: %v", b.Path)
	}

	//Test connection
	if _, err := b.List(""); err != nil {
		return nil, err
	}
	return b, nil
}
コード例 #2
0
func loadServerConfig(c *cli.Context) (*Server, error) {
	config := Config{}
	root := c.String("root")
	if root == "" {
		return nil, genRequiredMissingError("root")
	}
	log.Debug("Ignore command line opts, loading server config from ", root)
	err := util.LoadConfig(root, getCfgName(), &config)
	if err != nil {
		return nil, fmt.Errorf("Failed to load config:", err.Error())
	}

	driver, err := drivers.GetDriver(config.Driver, config.Root, nil)
	if err != nil {
		return nil, fmt.Errorf("Failed to load driver:", err.Error())
	}

	server := &Server{
		Config:        config,
		StorageDriver: driver,
		NameVolumeMap: make(map[string]string),
	}

	server.updateNameVolumeMap()
	return server, nil
}
コード例 #3
0
func getObjectStoreCfgAndDriver(root, objectstoreUUID string) (*ObjectStore, ObjectStoreDriver, error) {
	b := &ObjectStore{}
	err := util.LoadConfig(root, getCfgName(objectstoreUUID), b)
	if err != nil {
		return nil, nil, err
	}

	driver, err := GetObjectStoreDriver(b.Kind, root, getDriverCfgName(b.Kind, objectstoreUUID), nil)
	if err != nil {
		return nil, nil, err
	}
	log.Debug("Loaded configure for objectstore ", objectstoreUUID)
	return b, driver, nil
}
コード例 #4
0
func (config *Config) loadVolume(uuid string) *Volume {
	cfgName, err := getVolumeCfgName(uuid)
	if err != nil {
		return nil
	}
	if !util.ConfigExists(config.Root, cfgName) {
		return nil
	}
	volume := &Volume{}
	if err := util.LoadConfig(config.Root, cfgName, volume); err != nil {
		log.Error("Failed to load volume json ", cfgName)
		return nil
	}
	return volume
}
コード例 #5
0
func Deregister(root, id string) error {
	b := &ObjectStore{}
	err := util.LoadConfig(root, getCfgName(id), b)
	if err != nil {
		return err
	}

	err = removeDriverConfigFile(root, b.Kind, id)
	if err != nil {
		return err
	}
	err = removeConfigFile(root, id)
	if err != nil {
		return err
	}
	log.Debug("Deregistered block store ", id)
	return nil
}
コード例 #6
0
func (device *Device) loadImage(uuid string) *Image {
	if uuid == "" {
		return nil
	}
	cfgName, err := getImageCfgName(uuid)
	if err != nil {
		return nil
	}
	if !util.ConfigExists(device.Root, cfgName) {
		return nil
	}
	image := &Image{}
	if err := util.LoadConfig(device.Root, cfgName, image); err != nil {
		log.Error("Failed to load volume json ", cfgName)
		return nil
	}
	return image
}
コード例 #7
0
ファイル: vfs.go プロジェクト: deniseschannon/rancher-volume
func initFunc(root, cfgName string, config map[string]string) (objectstore.ObjectStoreDriver, error) {
	b := &VfsObjectStoreDriver{}
	if cfgName != "" {
		if util.ConfigExists(root, cfgName) {
			err := util.LoadConfig(root, cfgName, b)
			if err != nil {
				return nil, err
			}
			return b, nil
		} else {
			return nil, fmt.Errorf("Wrong configuration file for VFS objectstore driver")
		}
	}

	//return temporily driver for loading objectstore config
	b.Path = config[VFS_PATH]
	if b.Path == "" {
		return nil, fmt.Errorf("Cannot find required field %v", VFS_PATH)
	}
	if _, err := b.List(""); err != nil {
		return nil, fmt.Errorf("VFS path %v doesn't exist or is not a directory", b.Path)
	}
	return b, nil
}
コード例 #8
0
func Init(root, cfgName string, config map[string]string) (drivers.Driver, error) {
	devicemapper.LogInitVerbose(1)
	devicemapper.LogInit(&DMLogger{})

	if supported := devicemapper.UdevSetSyncSupport(true); !supported {
		return nil, fmt.Errorf("Udev sync is not supported. Cannot proceed.")
	}
	if util.ConfigExists(root, cfgName) {
		dev := Device{}
		err := util.LoadConfig(root, cfgName, &dev)
		d := &Driver{
			Mutex: &sync.Mutex{},
		}
		if err != nil {
			return d, err
		}
		d.Device = dev
		d.configName = cfgName
		d.root = root
		if err := d.activatePool(); err != nil {
			return d, err
		}
		return d, nil
	}

	dev, err := verifyConfig(config)
	if err != nil {
		return nil, err
	}

	dev.Root = root

	dataDev, err := os.Open(dev.DataDevice)
	if err != nil {
		return nil, err
	}
	defer dataDev.Close()

	metadataDev, err := os.Open(dev.MetadataDevice)
	if err != nil {
		return nil, err
	}
	defer metadataDev.Close()

	thinpSize, err := devicemapper.GetBlockDeviceSize(dataDev)
	if err != nil {
		return nil, err
	}
	dev.ThinpoolSize = int64(thinpSize)
	dev.LastDevID = 0

	err = createPool(filepath.Base(dev.ThinpoolDevice), dataDev, metadataDev, uint32(dev.ThinpoolBlockSize))
	if err != nil {
		return nil, err
	}

	err = util.SaveConfig(root, cfgName, &dev)
	if err != nil {
		return nil, err
	}
	d := &Driver{
		root:       root,
		configName: cfgName,
		Device:     *dev,
		Mutex:      &sync.Mutex{},
	}
	log.Debug("Init done")
	return d, nil
}