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tf_aws_openvpn

Terraform module which creates OpenVPN on AWS

This module is creating the following resources:

  1. Two Route53 Records a. vpn-web.domain.com b. vpn.domain.com
  2. One EC2 Load Balancer (ELB) using Amazon Certificate Manager (ACM)
  3. One EC2 Security Group
  4. One EC2 Instance

Architecture


For Web only:

             +-[1/a]-+     +--[2]--+     +--[3]--+     +--[4]--+
             |       |     |       |     |       |     |       |
Internet --> |  DNS  | --> |  ELB  | --> |  SG   | --> |  EC2  |
             |       |     |       |     |       |     |       |
             +-------+     +-------+     +-------+     +-------+
    vpn-web.domain.com  -->  TCP:443  -->  TCP:443  -->  TCP:443 OK

For VPN connection: (ELB does not support custom port 1194)

             +-[1/b]-+     +--[2]--+     +--[3]--+
             |       |     |       |     |       |
Internet --> |  DNS  | --> |  SG   | --> |  EC2  |
             |       |     |       |     |       |
             +-------+     +-------+     +-------+
        vpn.domain.com -->  TCP:1194 -->  TCP:1194 OK

Usage

module "openvpn" {
  source             = "github.com/terraform-community-modules/tf_aws_openvpn"
  name               = "openVPN"
  # VPC Inputs
  vpc_id             = "${var.vpc_id}"
  vpc_cidr           = "${var.vpc_cidr}"
  public_subnet_ids  = "${var.public_subnet_ids}"
  # EC2 Inputs
  key_name           = "${var.key_name}"
  private_key        = "${var.private_key}"
  ami                = "${var.ami}"
  instance_type      = "${var.instance_type}"
  # ELB Inputs
  cert_arn           = "${var.cert_arn}"
  # DNS Inputs
  domain_name        = "${var.public_domain_name}"
  route_zone_id      = "${var.route_zone_id}"
  # OpenVPN Inputs
  openvpn_user       = "${var.openvpn_user}"
  openvpn_admin_user = "${var.openvpn_admin_user}" # Note: Don't choose "admin" username. Looks like it's already reserved.
  openvpn_admin_pw   = "${var.openvpn_admin_pw}"
}

Authors

Created and maintained by Quentin Rousseau ([email protected]).

License

Apache 2 Licensed. See LICENSE for full details.