Proxmox Cloud-Init Template Automation

A bash script to create Linux cloud-init templates in Proxmox with a single command.

Features

• Single command template creation
• Pre-configured cloud-init settings with QEMU guest agent integration
• Custom network and storage configuration
• VM deployment in ~30 seconds versus ~13 minutes with the traditional method

Prerequisites

1. Proxmox VE 9.0.10 (tested version)
2. Install libguestfs-tools:

apt install libguestfs-tools -y

3. SSH public key imported for passwordless access

Usage

1. Make the script executable:

chmod +x create-template.sh

2. Run the script:

./create-template.sh

3. Clone the template to deploy new VMs in ~30 seconds.

Configuration

The script creates a VM template with the following defaults - customize cloud-init credentials before running:

• 2 CPU cores (x86-64-v2-AES)
• 2GB RAM
• VirtIO network bridge (vmbr0)
• 30GB disk space minimum
• OVMF BIOS with pre-enrolled keys
• Cloud-init ready

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Created by Muller Matos