[Unit]
Description=Shutdown OCID containers before shutting down the system
Wants=ocid.service
After=ocid.service
Documentation=man:ocid(8)

[Service]
Type=oneshot
ExecStart=/usr/bin/true
ExecStop=mkdir -p /var/lib/ocid; touch /var/lib/ocid/ocid.shutdown
RemainAfterExit=yes

[Install]
WantedBy=multi-user.target