docs: def _set_config_keystone(self, username, password):
          """ Set config to Keystone """
  
          self._keystone_auth = KeystoneAuth(
              settings.KEYSTONE_AUTH_URL, settings.KEYSTONE_PROJECT_NAME, username, password,
              settings.KEYSTONE_USER_DOMAIN_NAME, settings.KEYSTONE_PROJECT_DOMAIN_NAME,
              settings.KEYSTONE_TIMEOUT)