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

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{{ 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 %}