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docs: add MetalLB L2Status-immutable PG-VIP-flap post-mortem (code-aoxk) 
Post-mortem for the 2026-04/05 SEV3 where a stuck MetalLB ServiceL2Status
CR (immutable status.node) flapped the PG load-balancer VIP and silently
broke Tier-1 Woodpecker terragrunt applies for ~5 days (the wrapper error
"Cannot read PG creds" masked the real cause for ~25 days). Written when
the incident closed (beads code-aoxk, 2026-05-26) but never committed;
landing it so the RCA + stuck-CR cleanup procedure live in the repo.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
2026-06-28 16:25:10 +00:00
..
adr plotting-book: pull image from private ghcr instead of public DockerHub 2026-06-27 15:32:19 +00:00
architecture chrome-service: grant emo shared browser access (noVNC + homelab browser CLI) 2026-06-28 15:20:07 +00:00
benchmarks fix: restore tree dropped by 6d224861; land stem95su gdrive-sync (10m) [ci skip] 2026-06-09 08:45:33 +00:00
plans k8s-upgrade: classify compat-gate blocks as actionable vs held; quiet the held case 2026-06-28 10:08:20 +00:00
post-mortems docs: add MetalLB L2Status-immutable PG-VIP-flap post-mortem (code-aoxk) 2026-06-28 16:25:10 +00:00
runbooks vault: distinguish Vaultwarden vs HashiCorp Vault, add vault kv 2026-06-28 11:09:33 +00:00
known-issues.md fix: restore tree dropped by 6d224861; land stem95su gdrive-sync (10m) [ci skip] 2026-06-09 08:45:33 +00:00
README.md fix: restore tree dropped by 6d224861; land stem95su gdrive-sync (10m) [ci skip] 2026-06-09 08:45:33 +00:00

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 Proxmox host NFS, Proxmox CSI (LVM-thin + LUKS2), 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