homeserver/roles/mgrote_rsync/templates/rsync_mirror.sh.j2

#!/bin/bash
{{ file_header | default () }}

{% for item in rsync_mirror_dirs %}
{# Header #}
echo "-----------------------"
echo "Source: {{ item.src }}"
echo "Destination: {{ item.dest.split(':') | last }}"
{# Mount check source #}
if /usr/sbin/zfs get mounted -H {{ item.src }} 2>&1 > /dev/null ; then
  {# Mount check destination #}
  if [[ "$(ssh -i /etc/rsync_mirror/.ssh/id_rsync_mirror -o StrictHostKeyChecking=no {{ item.dest.split(':') | first }} /usr/sbin/zfs get mounted -H {{ item.dest.split(':') | last }} | cut -f3)" -eq "yes" ]] ; then
    rsync -e "ssh -i /etc/rsync_mirror/.ssh/id_rsync_mirror -o StrictHostKeyChecking=no" --dry-run --bwlimit={{ rsync_mirror_bw_limit }} --archive --verbose --itemize-changes --omit-dir-times --human-readable --stats --compress --fuzzy --force --partial --delete-after --recursive {{ item.src }}/ {{ item.dest }}/
    {# "/" am Ende von Src+Dest ist Wichtig und notwendig, sonst wird in Unterordner kopiert #}
  else
    echo "Destination-Dataset not mounted!"
  fi
else
  echo "Source-Dataset not mounted!"
fi
{% endfor %}

{# Beispiel
echo "-----------------------"
echo "Source: /hdd_data/tmp/"
if /usr/sbin/zfs get mounted -H /hdd_data/tmp/ 2>&1 > /dev/null ; then
    if [[ "$(ssh -i /etc/rsync_mirror/.ssh/id_rsync_mirror -o StrictHostKeyChecking=no rsync_mirror@pbs.mgrote.net /usr/sbin/zfs get mounted -H /backup/pve5/tmp | cut -f3)" -eq "yes" ]] ; then
    rsync -e "ssh -i /etc/rsync_mirror/.ssh/id_rsync_mirror -o StrictHostKeyChecking=no" --itemize-changes --bwlimit=2m --verbose --omit-dir-times --archive --human-readable --stats --compress --fuzzy --force --delete-after --recursive /hdd_data/tmp/ rsync_mirror@pbs.mgrote.net:/backup/pve5/tmp/
  else
    echo "Destination-Dataset not mounted!"
  fi
else
  echo "Source-Dataset not mounted!"
fi#}