[Unit]
Description=Corosync Cluster Engine
ConditionKernelCommandLine=!nocluster
ConditionPathExists=/etc/corosync/corosync.conf
Requires=network-online.target
After=network-online.target

[Service]
ExecStart=/usr/share/corosync/corosync start
ExecStop=/usr/share/corosync/corosync stop
Type=forking

[Install]
WantedBy=multi-user.target