homeserver/roles/mgrote.zfs_sanoid/templates/syncoid.service.j2

{{ file_header | default () }}

[Unit]
Description=Send zfs snapshots with sanoid/syncoid.
OnFailure=syncoid_mail.service
OnSuccess=syncoid_mail.service

[Service]
Type=oneshot
# check if dest-dataset is mounted (sed: entferne 1. Zeile; awk: zeige nur yes/no; grep: RC1 when != yes)
{% for item in sanoid_syncoid_datasets_sync %}
# check if target dataset is mounted
ExecStart=/bin/sh -c '/usr/sbin/zfs get mounted {{ item.destination_mount_check }} | sed 1d | awk "{print $3}" | grep yes  > /dev/null'
# check if source host is reachable
ExecStart=/bin/sh -c 'ping -c1 -W1 {{ item.source_host }}  > /dev/null || {{ item.source_host }} not reachable!'
# syncoid
ExecStart=/bin/sh -c 'export HOME=/root ; /usr/bin/syncoid --sshoption=StrictHostKeyChecking=no --delete-target-snapshots --use-hold --preserve-recordsize --sshkey "/etc/sanoid/.ssh/id_sanoid" --source-bwlimit {{ sanoid_syncoid_bwlimit }} {{ sanoid_user }}@{{ item.source_host }}:{{ item.source_dataset }} {{ item.destination_dataset }}'
{% endfor %}