prometheus-borg-exporter/README.md

Borg exporter

Export borg information to prometheus.

Dependencies

• Dateutils
• Prometheus (obviously)
• Node Exporter with textfile collector
• Borg

Install

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.

Exported metrics

borg_extract_exit_code
borg_hours_from_last_backup
borg_archives_count
borg_files_count
borg_chunks_unique
borg_chunks_total
borg_last_size
borg_last_size_compressed
borg_last_size_dedup
borg_total_size
borg_total_size_compressed
borg_total_size_dedup

Grafana dashboard

See here for a sample grafana dashboard.