cmd_prune_count's `log " Pruned: ..."` wrote to stdout, which the
caller captures via `pruned=$(cmd_prune_count)`. From 2026-04-16 onward
(7d retention kicked in), pruned snapshots polluted the captured value
with multi-line log text, breaking the Prometheus exposition format
on the metric push (`lvm_snapshot_pruned_total ${pruned}` → 400 from
Pushgateway). Snapshots themselves were always fine; only the metric
push silently failed for ~9 nights, eventually triggering
LVMSnapshotNeverRun (alert has 48h `for:`).
Fix: redirect the inner log call to stderr so cmd_prune_count's stdout
contains only the count. Also adopts `infra/scripts/lvm-pvc-snapshot.sh`
as the source-of-truth (was edited only on the PVE host) and updates
backup-dr.md to point at the .sh and document the scp deploy.
Deploy: scp infra/scripts/lvm-pvc-snapshot.sh root@192.168.1.127:/usr/local/bin/lvm-pvc-snapshot
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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| .. | ||
| architecture | ||
| plans | ||
| post-mortems | ||
| runbooks | ||
| 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
- 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