blumeops/ansible/roles/borgmatic_metrics/defaults/main.yml
Erich Blume c78b86c72c Add offsite backup for immich photo library to BorgBase (#315)
## Summary

- Adds a second borgmatic config (`photos.yaml`) that backs up `/Volumes/photos` (sifaka SMB mount, ~128 GB) to a dedicated BorgBase repo (`immich-photos`), running daily at 4 AM
- Separate launchd agent (`mcquack.eblume.borgmatic-photos`) so photo backups run independently from the main backup
- Refactors `borgmatic_metrics` script to support multiple repos with a `repo` Prometheus label
- Updates Grafana "Borg Backups" dashboard with a `repo` template variable so you can filter/compare repos
- Docs updated: `backups.md`, `borgmatic.md`

## Prerequisites (manual)

- [x] Create `immich-photos` repo on BorgBase with same SSH key
- [ ] Upgrade BorgBase plan to Small ($24/yr) if currently on free tier (128 GB exceeds 10 GB limit)
- [ ] After deploy: `borg init` the new repo (borgmatic does this automatically on first run)

## Test plan

- [ ] Dry run: `mise run provision-indri -- --check --diff --tags borgmatic,borgmatic_metrics`
- [ ] Deploy borgmatic role and verify both configs deployed
- [ ] Run `borgmatic --config ~/.config/borgmatic/photos.yaml create --verbosity 1` manually for first backup (will take hours)
- [ ] Verify metrics script collects from both repos: `~/.local/bin/borgmatic-metrics && cat /opt/homebrew/var/node_exporter/textfile/borgmatic.prom`
- [ ] Sync grafana-config in ArgoCD and verify dashboard repo selector works

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Reviewed-on: #315
2026-03-27 19:43:05 -07:00

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YAML

---
# Borg repositories to collect metrics from
# Each entry needs a path (local or ssh://) and a label for Prometheus metrics
borgmatic_metrics_repos:
- path: /Volumes/backups/borg/
label: sifaka-local
- path: ssh://xcrtl5tg@xcrtl5tg.repo.borgbase.com/./repo
label: borgbase-immich-photos
borgmatic_metrics_passcommand: cat /Users/erichblume/.borg/config.yaml
borgmatic_metrics_ssh_key: /Users/erichblume/.ssh/borgbase_ed25519
borgmatic_metrics_dir: /opt/homebrew/var/node_exporter/textfile
borgmatic_metrics_script: /Users/erichblume/.local/bin/borgmatic-metrics
borgmatic_metrics_interval: 3600 # seconds between metric collection (hourly)
borgmatic_metrics_log_dir: /opt/homebrew/var/log