[Unit]
Description=Percona XtraDB Cluster Server
After=syslog.target network.target

[Service]
User=mysql
Group=mysql
Type=simple
PIDFile=/run/mysql/mysqld.pid
ExecStart=/opt/mysql/bin/mysqld --defaults-file=/etc/my.cnf -h /var/lib/mysql --socket=/run/mysql/mysql.sock --pid-file=/run/mysql/mysqld.pid
#ExecStop=/usr/bin/kill $MAINPID
RuntimeDirectory=mysql

[Install]
WantedBy=multi-user.target