gnocchi/common/storage/redis.yml

parameters:
  _param:
    gnocchi_storage_redis_url: redis://${_param:single_address}:6379
    gnocchi_storage_driver: redis
  gnocchi:
    common:
      storage:
        driver: ${_param:gnocchi_storage_driver}
        redis_url: ${_param:gnocchi_storage_redis_url}