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.