ProxmoxInfra

Terraform infrastructure-as-code for a homelab Proxmox environment. This repo was started after the Proxmox host was manually provisioned — existing resources are not managed here. Only new resources going forward are managed by Terraform.

Stack

Provider: bpg/proxmox
Terraform >= 1.0
Target: single-node Proxmox VE homelab (nonprod-pve)
Upstream network: Firewalla Gold → Switch → Proxmox

Repository Structure

environments/
  nonprod/          # Nonprod environment root module
modules/
  networking/       # Internal bridge segments

Network Architecture

All workload VMs and containers are isolated on internal bridges with no physical NIC. Inter-segment traffic routes exclusively through a firewall VM (OPNsense — see To Do).

Bridge	CIDR	Purpose
vmbr0	192.168.68.0/24	Existing uplink — Proxmox management + OPNsense WAN
management	10.10.10.0/24	Admin access. Proxmox host holds 10.10.10.1.
services	10.10.20.0/24	General workload VMs and containers.
dmz	10.10.30.0/24	Externally exposed workloads.
isolated	10.10.40.0/24	Lab and test. No outbound access by default.

Completed

Terraform connected to nonprod Proxmox host
Environment/module repo structure established
Internal network segments created (management, services, dmz, isolated)
Proxmox host assigned IP on management bridge (10.10.10.1/24)

To Do

Download and upload OPNsense ISO to Proxmox
Create OPNsense VM module with one NIC per bridge segment
Configure OPNsense via Ansible (ansibleguy.opnsense) — interfaces, DHCP, firewall rules, NAT
Create Windows VM on services bridge
Introduce remote state backend (S3-compatible or Terraform Cloud)

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