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feat: add Promtail, Loki, and Grafana log aggregation stack (#86) #93

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egullickson merged 3 commits from issue-86-promtail-loki-grafana into main 2026-02-05 02:47:22 +00:00
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egullickson commented 2026-02-05 02:17:09 +00:00
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Summary

  • Add Promtail for Docker log scraping with automatic container discovery
  • Add Loki for centralized log storage with 30-day retention
  • Add Grafana with Loki datasource auto-provisioned
  • Add IP whitelist middleware restricting Grafana to RFC1918 private ranges only

Fixes #86

Changes

File Change
config/promtail/config.yml Promtail config with Docker service discovery
config/loki/config.yml Loki config with 30-day retention
config/grafana/datasources/loki.yml Grafana datasource provisioning
config/traefik/dynamic/grafana.yml IP whitelist middleware for RFC1918
docker-compose.yml 3 new services, 2 new volumes

Security

Grafana is protected by IP whitelist middleware (grafana-ipwhitelist@file) that only allows access from RFC1918 private network ranges:

  • 10.0.0.0/8
  • 172.16.0.0/12
  • 192.168.0.0/16

Public internet access returns 403 Forbidden.

Acceptance Criteria

  • Promtail scrapes all container logs
  • Loki stores logs with 30-day retention
  • Grafana accessible at https://logs.motovaultpro.com from RFC1918 IPs only
  • Loki datasource auto-provisioned in Grafana
  • docker-compose config validates
  • Container count: 6 → 9
## Summary - Add Promtail for Docker log scraping with automatic container discovery - Add Loki for centralized log storage with 30-day retention - Add Grafana with Loki datasource auto-provisioned - Add IP whitelist middleware restricting Grafana to RFC1918 private ranges only Fixes #86 ## Changes | File | Change | |------|--------| | `config/promtail/config.yml` | Promtail config with Docker service discovery | | `config/loki/config.yml` | Loki config with 30-day retention | | `config/grafana/datasources/loki.yml` | Grafana datasource provisioning | | `config/traefik/dynamic/grafana.yml` | IP whitelist middleware for RFC1918 | | `docker-compose.yml` | 3 new services, 2 new volumes | ## Security Grafana is protected by IP whitelist middleware (`grafana-ipwhitelist@file`) that only allows access from RFC1918 private network ranges: - `10.0.0.0/8` - `172.16.0.0/12` - `192.168.0.0/16` Public internet access returns 403 Forbidden. ## Acceptance Criteria - [x] Promtail scrapes all container logs - [x] Loki stores logs with 30-day retention - [x] Grafana accessible at https://logs.motovaultpro.com from RFC1918 IPs only - [x] Loki datasource auto-provisioned in Grafana - [x] docker-compose config validates - [x] Container count: 6 → 9
egullickson added 1 commit 2026-02-05 02:17:10 +00:00
feat: add Promtail, Loki, and Grafana log aggregation stack (refs #86)
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1cf54fb254 
- Add Promtail for Docker log scraping with container discovery
- Add Loki for log storage with 30-day retention
- Add Grafana with Loki datasource auto-provisioned
- Add IP whitelist middleware restricting Grafana to RFC1918 ranges
- Container count: 6 → 9

Co-Authored-By: Claude Opus 4.5 <[email protected]>
egullickson added 1 commit 2026-02-05 02:19:33 +00:00
chore: use mirrored registry for logging stack images (refs #86)
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e83385d729 
- Update Loki, Promtail, Grafana to use REGISTRY_MIRRORS
- Add grafana/loki, grafana/promtail, grafana/grafana to mirror script

Co-Authored-By: Claude Opus 4.5 <[email protected]>
egullickson added 1 commit 2026-02-05 02:40:27 +00:00
fix: use correct grafana/ namespace in mirrored image paths (refs #86)
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9aa1ad954f 
Co-Authored-By: Claude Opus 4.5 <[email protected]>
egullickson merged commit 9c90a1ca84 into main 2026-02-05 02:47:22 +00:00
egullickson deleted branch issue-86-promtail-loki-grafana 2026-02-05 02:47:23 +00:00
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Reference: egullickson/motovaultpro#93