[Unit]
Description=Backup timer for job %i

[Timer]
OnCalendar={{ backup_schedule }}
RandomizedDelaySec={{ backup_randomized_delay }}
# Run on next boot if the machine was off when the timer was due. Without this
# a box that is down every Sunday would never back up.
Persistent=true
Unit=backup@%i.service

[Install]
WantedBy=timers.target