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infrastructure/docs/02-SERVICES-CRITICAL.md
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Details
Major documentation restructure - consolidated docs 
New Structure:
- 01-NETWORK-MAP.md - Network topology, IPs, Docker networks, services
- 02-SERVICES-CRITICAL.md - DNS, Auth, Routing (P0/P1 services)
- 03-SERVICES-OTHER.md - All non-critical services
- 04-HARDWARE-INVENTORY.md - Physical devices and specs
- 05-CHANGELOG.md - Major events only

New Folders:
- docs/archive/ - Legacy docs (read-only reference)
- docs/wip/ - Planned changes and ideas
  - UPGRADE-2026-HARDWARE.md - N5 Air + N100 migration plan
  - GITOPS-CONTAINERS.md - Phase 2 container GitOps

Changes:
- Moved all 22 legacy docs to archive/
- Consolidated container IPs, physical map, and services into single network map
- Extracted critical vs non-critical service classification
- Simplified changelog to major events only

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
2026-01-25 11:17:33 +02:00

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Critical Services

Last Updated: 2026-01-25

Services that must remain operational for network functionality and security.

Priority Levels

Priority Meaning Recovery Target
P0 Network offline without this < 5 minutes
P1 Major functionality impacted < 1 hour

P0 - Network Core

DNS (AdGuard Home)

Instance Host IP Role
Primary HAP1 172.17.0.5 Main DNS, DoH/DoT/DoQ
Secondary XTRM-U 192.168.31.4 Failover DNS

Endpoints:

  • DoH: https://dns.xtrm-lab.org/dns-query
  • DoT: tls://dns.xtrm-lab.org:853
  • DoQ: quic://dns.xtrm-lab.org:8853

Config Sync: adguardhome-sync (every 30 min)

Upstream: Quad9 DoH (https://dns10.quad9.net/dns-query)

Recovery:

  1. If primary fails → clients use secondary (192.168.31.4)
  2. Restart container on HAP1: /container/start adguardhome

Routing (HAP1)

Function Details
WAN 62.73.120.142 via Vivacom fiber
LAN 192.168.31.0/24
NAT Port forwarding to XTRM-U
Firewall RouterOS firewall rules

Recovery:

  1. Physical access to HAP1
  2. Reset: hold reset button 5s
  3. Reconfigure via WinBox or SSH

DHCP (HAP1)

Pool Range
Dynamic 192.168.31.100-200
Lease Time 24 hours

Static Leases: Managed in RouterOS DHCP server

P1 - Authentication & Secrets

Authentik (SSO)

Component IP Purpose
authentik 172.18.0.11 Web UI + OIDC
authentik-worker 172.18.0.12 Background tasks

URL: https://auth.xtrm-lab.org

Protects:

  • Traefik forward auth (all *.xtrm-lab.org)
  • Gitea OAuth
  • Woodpecker OAuth
  • NetBox OAuth
  • NetDisco SSO

Recovery:

cd /mnt/user/appdata/authentik
docker compose up -d

Database: postgresql17 (authentik_db)

Vaultwarden (Passwords)

Component IP Purpose
vaultwarden 172.18.0.15 Password manager

URL: https://vault.xtrm-lab.org

Data: /mnt/user/appdata/vaultwarden/

Recovery:

docker start vaultwarden

Backup: Part of Unraid flash backup

P1 - Reverse Proxy

Traefik

Component IP Ports
traefik 172.18.0.3 8001→80, 44301→443

Config: /mnt/user/appdata/traefik/

  • traefik.yml - Static config
  • dynamic.yml - Routers & services

TLS: Let's Encrypt wildcard for *.xtrm-lab.org

Recovery:

docker start traefik

Shared Infrastructure

PostgreSQL 17

IP Databases
172.18.0.13 authentik_db, netbox, gitea, netdisco_db, diode, hydra

Data: /mnt/user/appdata/postgresql17/

Recovery:

docker start postgresql17
# Wait for DB to be ready before starting dependents

Redis

IP Consumers
172.18.0.14 Authentik, NetBox, Diode

Recovery:

docker start Redis

Startup Order

When recovering from full outage:

  1. postgresql17 - Database (wait 30s)
  2. Redis - Cache/queue (wait 10s)
  3. traefik - Reverse proxy
  4. authentik + authentik-worker - SSO
  5. vaultwarden - Passwords
  6. All other services

Monitoring

Uptime Kuma

URL Monitors
https://uptime.xtrm-lab.org 27 services

Alerts: Configured per service (email/webhook)

Backup Strategy

Data Location Frequency
Unraid Flash Google Drive Daily
PostgreSQL /mnt/user/Backup/ Daily
Vaultwarden Unraid Flash With flash backup
Authentik PostgreSQL + /mnt/user/appdata/authentik/ Daily

Future: XTRM-N1 Survival Node

When hardware upgrade completes, these services will have replicas on XTRM-N1:

Service Primary Replica
DNS HAP1 XTRM-N1
Vaultwarden XTRM-N5 XTRM-N1
Authentik XTRM-N5 XTRM-N1

See: wip/UPGRADE-2026-HARDWARE.md

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