pub-solar-os/hosts/droppie/restic-backup.nix
Hendrik Sokolowski 60ca29289e
Backup workflow improvements
* move tunnel for nextcloud-web into separate file
* add script to check for running backups and shutdown server otherwise
2022-11-27 21:18:45 +01:00

51 lines
978 B
Nix

{ pkgs, ... }:
let
shutdownWaitMinutes = 15;
shutdownScript = pkgs.writeScript "shutdown" ''
STATUS_FILES="/media/internal/backups-pub-solar/status"
running=""
for f in $STATUS_FILES; do
declare started
declare finished
started=$(source $f ; echo ''${BACKUP_STARTED})
finished=$(source $f ; echo ''${BACKUP_FINISHED})
if [ -z "''${finished}" ]; then
echo "backup $(dirname $f) still running"
running="yes"
break
fi
done
if [ -n "''${running}" ] && [ "''${running}" = "yes" ]; then
echo "backups are still running"
exit 1
fi
echo "WARNING: System will be shut down within the next 15 minutes" | wall
sleep 10
shutdown -P +${builtins.toString shutdownWaitMinutes}
'';
in
{
systemd.services."shutdown-after-backup" = {
enable = true;
serviceConfig = {
ExecStart = shutdownScript;
};
};
systemd.timers."shutdown-after-backup" = {
enable = true;
serviceConfig = {
OnCalendar = "3..9:*";
};
};
}