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OpenVPN Access Server Deployment on IBM Cloud Using Terraform

This Terraform project automates the deployment of an OpenVPN Access Server. The OpenVPN Access Server is installed on a generic Linux instance using a custom script executed via cloud-init during the provisioning process.

Prerequisites

  • IBM Cloud account with permissions to manage VPC, Subnet, and instances.
  • An IBM Cloud API Key.
  • SSH key created and uploaded to IBM Cloud.

Input Variables

The key variables include:

  • ibmcloud_api_key: IBM Cloud API key for authentication.
  • region: The region where resources will be deployed (us-east).
  • vpc_name: Name of the VPC.
  • subnet_name: Name of the subnet.
  • instance_name: Name of the OpenVPN instance.
  • instance_profile: Instance profile (bx2-2x8).
  • ssh_key_name: SSH key to access the instance.
  • security_group_name: Name of the security group.
  • cidr_block: CIDR block for the subnet (10.0.0.0/24).
  • image_name: Base Linux image (ubuntu-20-04-amd64).

Project Structure

.
├── provider.tf              # Defines the IBM Cloud provider
├── var.tf                   # Input variables
├── vpc.tf                   # VPC, Subnet, and Security Group setup
├── instance.tf              # Instance configuration and cloud-init
├── image.tf                 # Base image configuration
├── output.tf                # Outputs for public IP and instance ID
├── user_data.conf           # cloud-init script for OpenVPN setup
└── README.md                # Project documentation