message: update hostnames to cluster version.
diff: @@ -37,18 +37,18 @@ port=6603
  [database0]
  type=server
  -address=mariadb-0.mariadb-galera
  +address=mariadb-galera-0.mariadb-galera
  port=3306
  protocol=MySQLBackend
  [database1]
  type=server
  -address=mariadb-1.mariadb-galera
  +address=mariadb-galera-1.mariadb-galera
  port=3306
  protocol=MySQLBackend
  [database2]
  type=server
  -address=mariadb-2.mariadb-galera
  +address=mariadb-galera-2.mariadb-galera
  port=3306
  protocol=MySQLBackend
  