parameters:
  mysql:
    client:
      server:
        database:
          database:
            nova:
              encoding: utf8
              users:
              - name: ${_param:mysql_nova_username}
                password: ${_param:mysql_nova_password}
                host: '%'
                rights: all
              - name: ${_param:mysql_nova_username}
                password: ${_param:mysql_nova_password}
                host: ${_param:single_address}
                rights: all