From d4e6cdbf2b717e3c212419219cb22f5f170f16ec Mon Sep 17 00:00:00 2001
From: Angelos Kyratzakos <angelos.kyratzakos@mattermost.com>
Date: Tue, 1 Oct 2024 17:05:42 +0300
Subject: [PATCH] add referencing tgw sg support for tgw attachments

---
 aws/transit-gateway-attachment/README.md    | 4 ++--
 aws/transit-gateway-attachment/main.tf      | 7 ++++---
 aws/transit-gateway-attachment/variables.tf | 6 ++++++
 aws/transit-gateway-attachment/versions.tf  | 2 +-
 4 files changed, 13 insertions(+), 6 deletions(-)

diff --git a/aws/transit-gateway-attachment/README.md b/aws/transit-gateway-attachment/README.md
index 2fd6f4b6..5d3f65df 100644
--- a/aws/transit-gateway-attachment/README.md
+++ b/aws/transit-gateway-attachment/README.md
@@ -3,13 +3,13 @@
 | Name | Version |
 |------|---------|
 | <a name="requirement_terraform"></a> [terraform](#requirement\_terraform) | >= 1.6.3 |
-| <a name="requirement_aws"></a> [aws](#requirement\_aws) | >= 5.41.0 |
+| <a name="requirement_aws"></a> [aws](#requirement\_aws) | >= 5.69.0 |
 
 ## Providers
 
 | Name | Version |
 |------|---------|
-| <a name="provider_aws"></a> [aws](#provider\_aws) | >= 5.41.0 |
+| <a name="provider_aws"></a> [aws](#provider\_aws) | >= 5.69.0 |
 
 ## Modules
 
diff --git a/aws/transit-gateway-attachment/main.tf b/aws/transit-gateway-attachment/main.tf
index 3b8877eb..1997b695 100644
--- a/aws/transit-gateway-attachment/main.tf
+++ b/aws/transit-gateway-attachment/main.tf
@@ -1,7 +1,8 @@
 resource "aws_ec2_transit_gateway_vpc_attachment" "this" {
-  subnet_ids         = var.subnet_ids
-  transit_gateway_id = var.transit_gateway_id
-  vpc_id             = var.vpc_id
+  subnet_ids                         = var.subnet_ids
+  transit_gateway_id                 = var.transit_gateway_id
+  vpc_id                             = var.vpc_id
+  security_group_referencing_support = var.security_group_referencing_support
 
   tags = {
     Name = var.name
diff --git a/aws/transit-gateway-attachment/variables.tf b/aws/transit-gateway-attachment/variables.tf
index 8f47bae5..89c0eebe 100644
--- a/aws/transit-gateway-attachment/variables.tf
+++ b/aws/transit-gateway-attachment/variables.tf
@@ -14,3 +14,9 @@ variable "name" {
   description = "The name tag of the tgw attachment"
   type        = string
 }
+
+variable "security_group_referencing_support" {
+  description = "Security Group Referencing allows to specify other SGs as references, or matching criterion in inbound security rules to allow instance-to-instance traffic"
+  type        = string
+  default     = "disable"
+}
diff --git a/aws/transit-gateway-attachment/versions.tf b/aws/transit-gateway-attachment/versions.tf
index 9b6c635e..7feb0e04 100644
--- a/aws/transit-gateway-attachment/versions.tf
+++ b/aws/transit-gateway-attachment/versions.tf
@@ -3,7 +3,7 @@ terraform {
   required_providers {
     aws = {
       source  = "hashicorp/aws"
-      version = ">= 5.41.0"
+      version = ">= 5.69.0"
     }
   }
 }