galera/server/database/graphite.yml

parameters:
  _param:
    mysql_graphite_ssl_option: []
  mysql:
    server:
      database:
        graphite:
          encoding: 'utf8'
          users:
          - name: '${_param:mysql_graphite_username}'
            password: '${_param:mysql_graphite_password}'
            host: '%'
            rights: 'all'
            ssl_option: ${_param:mysql_graphite_ssl_option}