unit-files/dump_all.service

+[Service]
+Type=oneshot
+Environment=PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/opt/bin
+ExecStart=/opt/bin/dump_all.sh 

unit-files/dump_all.timer

+[Unit]
+Description=Run dump all dayly
+
+[Timer]
+OnCalendar=*-*-* 00:15:30
+
+[Install]
+WantedBy=timers.target

utils/dump_all.sh

+#!/bin/bash -eux
+
+export PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/opt/bin
+
+echo BEGIN > /tmp/dump-logs
+date > /tmp/dump-logs
+
+for domain in `ls /data/domains`; do
+  echo $domain >> /tmp/dump-logs
+  cd /data/domains/${domain}/
+  if [[ -f ./scripts/pre-backup ]]; then
+    cat ./scripts/pre-backup >> /tmp/dump-logs
+    ./scripts/pre-backup >> /tmp/dump-logs
+  fi
+done
+
+date > /tmp/dump
+echo END >> /tmp/dump-logs
+date >> /tmp/dump-logs