[Unit]
Description=MySQL server - %I instance
Wants=basic.target
PartOf=mysql.target
After=basic.target network.target syslog.target

[Service]
Restart=on-failure
Type=simple
ExecStartPre=/usr/lib/mysql/mysql-systemd-helper  install %i
ExecStartPre=/usr/lib/mysql/mysql-systemd-helper  upgrade %i
ExecStart=/usr/lib/mysql/mysql-systemd-helper     start   %i
ExecStartPost=/usr/lib/mysql/mysql-systemd-helper wait    %i

[Install]
WantedBy=multi-user.target