Borg exporter

Export borg information to prometheus.

Dependencies

Dateutils
Prometheus (obviously)
Node Exporter with textfile collector
Borg

Install

With the Makfile

For convenience, you can install this exporter with the command line make install or follow the process described in the next paragraph.

Manually

Copy borg_exporter.sh to /usr/local/bin.

Copy borg.env to /etc/borg and replace your repokey and repository in it.

Copy the systemd unit to /etc/systemd/system and run

systemctl enable prometheus-borg-exporter.timer
systemctl start prometheus-borg-exporter.timer

Alternative: Use ExecStartPost in your borg backupt timer itself to write our the metrics.

Configure your node exporter

Make sure your node exporter uses textfile in --collectors.enabled and add the following parameter: --collector.textfile.directory=/var/lib/node_exporter/textfile_collector

Exported metrics

borg_extract_exit_code
bork_hours_from_last_backup
bork_count
bork_files
bork_chunks_unique
bork_chunks_total
bork_last_size
bork_last_size_compressed
bork_last_size_dedup
bork_total_size
bork_total_size_compressed
bork_total_size_dedup

Grafana dashboard

See here for a sample grafana dashboard.

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