[Unit]
Description=rollcall: refresh OS deployment images from upstream (downloads only when the vendor checksum changed)
After=network-online.target
Wants=network-online.target

[Service]
Type=oneshot
User=rollcall
Group=rollcall
ExecStart=/usr/local/bin/rollcall os sync
Nice=10
IOSchedulingClass=idle
TimeoutStartSec=6h