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Viktor Barzin 9492874c43 fix: restore technitium MySQL query logging with Vault auto-rotation [ci skip] 
Query logs stopped syncing on 2026-03-16 due to password mismatch after
MySQL cluster rebuild and Technitium app config reset.

- Add Vault static role mysql-technitium (7-day rotation)
- Add ExternalSecret for technitium-db-creds in technitium namespace
- Add password-sync CronJob (6h) to push rotated password to Technitium API
- Update Grafana datasource to use ESO-managed password
- Remove stale technitium_db_password variable (replaced by ESO)
- Update databases.md and restore-mysql.md runbook
2026-04-06 13:00:49 +03:00
..
architecture fix: restore technitium MySQL query logging with Vault auto-rotation [ci skip] 2026-04-06 13:00:49 +03:00
plans add proxmox-csi cleanup TODO for post-migration tasks [ci skip] 2026-04-03 20:02:14 +03:00
runbooks fix: restore technitium MySQL query logging with Vault auto-rotation [ci skip] 2026-04-06 13:00:49 +03:00
README.md add architecture documentation for all infrastructure subsystems [ci skip] 2026-03-24 00:55:25 +02:00

README.md

Infrastructure Documentation

This repository contains the configuration and documentation for a homelab Kubernetes cluster running on Proxmox. The infrastructure hosts 70+ services managed declaratively with Terraform and Terragrunt.

Quick Reference

Network Ranges

  • Physical Network: 192.168.1.0/24 - Physical devices and host network
  • Management VLAN 10: 10.0.10.0/24 - Infrastructure VMs and management
  • Kubernetes VLAN 20: 10.0.20.0/24 - Kubernetes cluster network

Key URLs

  • Public: viktorbarzin.me
  • Internal: viktorbarzin.lan

Architecture Documentation

Document Description
Overview Infrastructure overview, hardware specs, VM inventory, and service catalog
Networking Network topology, VLANs, routing, and firewall rules
VPN Headscale mesh VPN and Cloudflare Tunnel configuration
Storage TrueNAS NFS, democratic-csi, and persistent volume management
Authentication Authentik SSO, OIDC flows, and service integration
Security CrowdSec IPS, Kyverno policies, and security controls
Monitoring Prometheus, Grafana, Loki, and observability stack
Secrets Management HashiCorp Vault integration and secret rotation
CI/CD Woodpecker CI pipeline and deployment automation
Backup & DR Backup strategy, disaster recovery, and restore procedures
Compute Proxmox VMs, GPU passthrough, K8s resource management, and VPA
Databases PostgreSQL, MySQL, Redis, and database operators
Multi-tenancy Namespace isolation, tier system, and resource quotas

Operations

  • Runbooks - Step-by-step operational procedures
  • Plans - Infrastructure change plans and rollout strategies

Getting Started

  1. Review the Overview for a high-level understanding
  2. Read the Networking doc to understand connectivity
  3. Check Compute for resource management patterns
  4. Explore individual architecture docs based on your area of interest