TofuLibVirt/vm-infrastructure/README.md

VM Infrastructure with OpenTofu + LibVirt

This project provisions virtual machines using OpenTofu and LibVirt.

Quick Start

# Initialize OpenTofu
tofu init

# Plan deployment
tofu plan

# Deploy VMs
tofu apply

# Get VM IPs
tofu output vm_ips

# Destroy infrastructure when done
tofu destroy

Configuration

• VMs: 3 Ubuntu 22.04 VMs with 4GB RAM, 2 vCPUs, 30GB disk each
• Authentication: SSH key-based (no password auth)
• User: ubuntu with sudo access
• Network: Default libvirt network with DHCP

Files

• main.tf - Main infrastructure configuration
• variables.tf - Input variables
• outputs.tf - Output values (VM IPs and names)
• terraform.tfvars - Variable values
• cloud-init/ - VM initialization configuration

Prerequisites

1. Install LibVirt and OpenTofu (see main PLAN.md)
2. Ensure your SSH public key is in cloud-init/user-data.yaml
3. User must be in libvirt group

Accessing VMs

# SSH to VM (replace with actual IP)
ssh ubuntu@192.168.122.100