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Records the design reached in a /grill-with-docs session: how to track which Service talks to which as more Services are added, using k8s-native options. Decision: service identity = the workload's namespace (primary) plus a `service-identity` label only in the few multi-Service namespaces; east-west observability = Calico 3.30 Goldmane/Whisker (already in our Calico v3.30.7, currently disabled) emitting to Loki for a durable trail; enforcement reuses the existing Wave 1 egress track. Dedicated per-Service ServiceAccounts deferred and a service mesh / mTLS / SPIFFE rejected — the trust model needs attribution-grade forensics on a trusted, etcd-constrained cluster, not cryptographic non-repudiation. This is the service-mesh evaluation the 2026-04-20 infra audit flagged as missing; rejected alternatives (Retina, Hubble, Kiali, a custom Alloy enricher) are recorded with rationale. Adds glossary terms (Service identity, Goldmane / Whisker) to CONTEXT.md. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com> |
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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
- Review the Overview for a high-level understanding
- Read the Networking doc to understand connectivity
- Check Compute for resource management patterns
- Explore individual architecture docs based on your area of interest