driver

type BlockDriver interface {
	CreateVolume(ctx context.Context, volume *pb.CreateVolumeRequest) (*pb.CreateVolumeResponse, error)
	GetVolume(ctx context.Context, volume *pb.GetVolumeRequest) (*pb.GetVolumeResponse, error)
	ListVolume(ctx context.Context, volume *pb.ListVolumeRequest) (*pb.ListVolumeResponse, error)
	UpdateVolume(ctx context.Context, volume *pb.UpdateVolumeRequest) (*pb.UpdateVolumeResponse, error)
	DeleteVolume(ctx context.Context, volume *pb.DeleteVolumeRequest) (*pb.DeleteVolumeResponse, error)
	// Close: cleanup when driver needs to be stopped.
	Close() error
}

type Closer interface {
	Close()
}

type DriverFactory interface {
	CreateBlockStorageDriver(backend *backendpb.BackendDetail) (BlockDriver, error)
}