gnocchi/common/storage/incoming/file.yml

parameters:
  _param:
    gnocchi_storage_incoming_file_basepath: /var/lib/gnocchi
    gnocchi_storage_incoming_driver: file
  gnocchi:
    common:
      storage:
        incoming:
          driver: ${_param:gnocchi_storage_incoming_driver}
          file_basepath: ${_param:gnocchi_storage_incoming_file_basepath}