Support AWS Direct Connect Gateway with option to create

main.tf

@@ -4,6 +4,7 @@ locals  {
        if action_data["key"] == "awsConnectionId"
    ])
    aws_vgw_id = var.aws_dx_create_vgw ? aws_vpn_gateway.this[0].id : var.aws_dx_vgw_id
+   aws_dx_gateway_id = var.aws_dx_create_dx_gw ? aws_dx_gateway.this[0].id : var.aws_dx_gateway_id
    aws_vpc_id = var.aws_dx_create_vgw ? data.aws_vpc.this[0].id : ""
    aws_region = data.aws_region.this.name
 }
@@ -67,6 +68,7 @@ resource "aws_dx_private_virtual_interface" "this" {
   bgp_auth_key     = var.aws_dx_bgp_auth_key
 
   vpn_gateway_id   = local.aws_vgw_id
+  dx_gateway_id    = local.aws_dx_gateway_id
 
   tags = var.aws_tags
 }
@@ -83,6 +85,13 @@ resource "aws_vpn_gateway" "this" {
   )
 }
 
+resource "aws_dx_gateway" "this" {
+  count = var.aws_dx_create_dx_gw ? 1 : 0
+
+  name = var.aws_dx_gateway_name != "" ? var.aws_dx_gateway_name : lower(format("dxgw-%s", random_string.this.result))
+  amazon_side_asn = var.aws_dx_gateway_asn
+}
+
 resource "equinix_network_bgp" "this" {
   count = alltrue([var.aws_dx_create_vif, var.network_edge_device_id != "", var.network_edge_configure_bgp]) ? 1 : 0
 

variables.tf

@@ -134,6 +134,12 @@ variable "aws_dx_create_vgw" {
   default     = false
 }
 
+variable "aws_dx_create_dx_gw" {
+  type        = bool
+  description = "Create a DX Gateway."
+  default     = false
+}
+
 variable "aws_dx_vgw_id" {
   type        = string
   description = <<EOF
@@ -143,6 +149,15 @@ variable "aws_dx_vgw_id" {
   default     = ""
 }
 
+variable "aws_dx_gateway_id" {
+  type        = string
+  description = <<EOF
+  If 'aws_dx_create_vif' is true but you already have an existing DX Gateway you can left 'aws_dx_create_dx_gw' false
+  and set your DX Gateway id instead.
+  EOF
+  default     = ""
+}
+
 variable "aws_vpc_id" {
   type        = string
   description = <<EOF
@@ -158,6 +173,18 @@ variable "aws_vpn_gateway_name" {
   default     = ""
 }
 
+variable "aws_dx_gateway_name" {
+  type        = string
+  description = "The name for the DX Gateway. It will be auto-generated if not specified."
+  default     = ""
+}
+
+variable "aws_dx_gateway_asn" {
+  type        = number
+  description = "The ASN for the Amazon side of the connection. It will be auto-generated if not specified."
+  default     = null
+}
+
 variable "aws_dx_vif_address_family" {
   type        = string
   description = "The address family for the BGP peer. ipv4 or ipv6"