feat: added new resources and updated code

_example/different-account/example.tf

@@ -40,7 +40,7 @@ module "transit-gateway" {
   aws_ram_resource_share_accepter = true
   resource_share_arn              = "arn:aws:ram:eu-west-1:XXXXXXXXXXX:resource-share/XXXXXXXXXXXXXXXXXXXXXXXXXX"
   subnet_ids                      = module.subnets.private_subnet_id
-  
+
   # VPC Attachements
   vpc_attachement_create          = false # Enable After once create the subnets
   vpc_id                          = module.vpc.vpc_id

_example/single-account/example.tf

@@ -1,7 +1,13 @@
+##------------------------------------------------------------------------------
+## Provider block added, Use the Amazon Web Services (AWS) provider to interact with the many resources supported by AWS.
+##------------------------------------------------------------------------------
 provider "aws" {
   region = "eu-west-1"
 }
 
+##------------------------------------------------------------------------------
+## A VPC is a virtual network that closely resembles a traditional network that you'd operate in your own data center.
+##------------------------------------------------------------------------------
 module "vpc" {
   source  = "clouddrove/vpc/aws"
   version = "1.3.1"
@@ -12,6 +18,9 @@ module "vpc" {
   cidr_block  = "10.10.0.0/16"
 }
 
+##------------------------------------------------------------------------------
+## A subnet is a range of IP addresses in your VPC.
+##------------------------------------------------------------------------------
 module "subnets" {
   source  = "clouddrove/subnet/aws"
   version = "1.3.0"
@@ -28,6 +37,9 @@ module "subnets" {
   ipv6_cidr_block     = module.vpc.ipv6_cidr_block
 }
 
+##------------------------------------------------------------------------------
+## A VPC is a virtual network that closely resembles a traditional network that you'd operate in your own data center.
+##------------------------------------------------------------------------------
 module "vpc-other" {
   source  = "clouddrove/vpc/aws"
   version = "1.3.1"
@@ -39,8 +51,11 @@ module "vpc-other" {
   cidr_block = "192.168.0.0/16"
 }
 
+##------------------------------------------------------------------------------
+## A subnet is a range of IP addresses in your VPC.
+##------------------------------------------------------------------------------
 module "subnets-other" {
-  source              = "clouddrove/subnet/aws"
+  source  = "clouddrove/subnet/aws"
   version = "1.3.0"
 
   name                = "subnets"
@@ -56,6 +71,9 @@ module "subnets-other" {
 
 }
 
+##------------------------------------------------------------------------------
+## transit-gateway module call.
+##------------------------------------------------------------------------------
 module "transit-gateway" {
   source = "./../../"
 
@@ -75,13 +93,16 @@ module "transit-gateway" {
   resource_share_allow_external_principals = true
   resource_share_account_ids               = ["XXXXXXXXXXXXX"]
   subnet_ids                               = module.subnets.private_subnet_id
-  
+
   # VPC Attachements
   vpc_attachement_create = false # Enable After once create the subnets
   vpc_id                 = module.vpc.vpc_id
   destination_cidr_block = ["192.168.0.0/16"]
 }
 
+##------------------------------------------------------------------------------
+## vpc-attachement module call.
+##------------------------------------------------------------------------------
 module "vpc-attachement" {
   source      = "./../../"
   name        = "transit-gateway"

_example/single-account/outputs.tf

@@ -8,7 +8,12 @@ output "tags" {
   description = "A mapping of tags to assign to the transit-gateway."
 }
 
-output "resource_share_arn" {
-  value       = module.transit-gateway.resource_share_arn
-  description = "The ARN  of the RAM."
+output "ec2_transit_gateway_arn" {
+  value       = module.transit-gateway.ec2_transit_gateway_arn
+  description = "EC2 Transit Gateway Amazon Resource Name (ARN)"
+}
+
+output "ec2_transit_gateway_route_table_id" {
+  value       = module.transit-gateway.ec2_transit_gateway_route_table_id
+  description = "EC2 Transit Gateway Route Table identifier"
 }

main.tf

@@ -1,11 +1,6 @@
-# Managed By : CloudDrove
-# Description : This Script is used to create Transit Gateway.
-# Copyright @ CloudDrove. All Right Reserved.
-
-#Module      : Label
-#Description : This terraform module is designed to generate consistent label names and tags
-#              for resources. You can use terraform-labels to implement a strict naming
-#              convention.
+##------------------------------------------------------------------------------
+## Labels module callled that will be used for naming and tags.
+##------------------------------------------------------------------------------
 module "labels" {
   source  = "clouddrove/labels/aws"
   version = "1.3.0"
@@ -18,8 +13,9 @@ module "labels" {
   label_order = var.label_order
 }
 
-#Module      : TRANSIT GATEWAY
-#Description : Manages an EC2 Transit Gateway.
+##------------------------------------------------------------------------------
+## A transit gateway acts as a Regional virtual router for traffic flowing between your virtual private clouds (VPCs) and on-premises networks.
+##------------------------------------------------------------------------------
 resource "aws_ec2_transit_gateway" "main" {
   count = var.enable && var.tgw_create ? 1 : 0
 
@@ -32,9 +28,9 @@ resource "aws_ec2_transit_gateway" "main" {
   tags                            = module.labels.tags
 }
 
-
-#Module      : TRANSIT GATEWAY VPC ATTACHMENT
-#Description : Get information on an EC2 Transit Gateway VPC Attachment.
+##------------------------------------------------------------------------------
+## Get information on an EC2 Transit Gateway VPC Attachment.
+##------------------------------------------------------------------------------
 resource "aws_ec2_transit_gateway_vpc_attachment" "main" {
   count = var.enable && var.vpc_attachement_create ? 1 : 0
 
@@ -49,12 +45,11 @@ resource "aws_ec2_transit_gateway_vpc_attachment" "main" {
       "Name" = format("%s-vpc-attachment", module.labels.id)
     }
   )
-
-
 }
 
-#Module      : AWS RAM RESOURCE SHARE
-#Description : Manages a Resource Access Manager (RAM) Resource Share. To association principals with the share.
+##------------------------------------------------------------------------------
+## You can use AWS Resource Access Manager (RAM) to share a transit gateway for VPC attachments across accounts or across your organization in AWS.
+##------------------------------------------------------------------------------
 resource "aws_ram_resource_share" "main" {
   count = var.enable && var.resource_share_enable ? 1 : 0
 
@@ -68,17 +63,19 @@ resource "aws_ram_resource_share" "main" {
   )
 }
 
-#Module      : RAM PRINCIPAL ASSOCIATION
-#Description : Provides a Resource Access Manager (RAM) principal association.
+##------------------------------------------------------------------------------
+## Provides a Resource Access Manager (RAM) principal association. Depending if RAM Sharing with AWS Organizations is enabled, the RAM behavior with different principal types changes.
+##------------------------------------------------------------------------------
 resource "aws_ram_principal_association" "main" {
   count = var.enable && var.resource_share_enable ? length(var.resource_share_account_ids) : 0
 
   principal          = element(var.resource_share_account_ids, count.index)
   resource_share_arn = join("", aws_ram_resource_share.main.*.id)
 }
 
-#Module      : RAM ASSOCIATION
-#Description : Manages a Resource Access Manager (RAM) Resource Association.
+##------------------------------------------------------------------------------
+## The Resource Association in AWS RAM can be configured in Terraform with the resource name aws_ram_resource_association.
+##------------------------------------------------------------------------------
 resource "aws_ram_resource_association" "main" {
   count = var.enable && var.resource_share_enable ? 1 : 0
 
@@ -89,12 +86,11 @@ resource "aws_ram_resource_association" "main" {
 data "aws_route_tables" "main" {
   count  = var.enable && var.vpc_attachement_create ? 1 : 0
   vpc_id = var.vpc_id
-
-
 }
 
-#Module      : AWS ROUTE
-#Description : Provides a resource to create a routing table entry (a route) in a VPC routing table.
+##------------------------------------------------------------------------------
+## Provides a resource to create a routing table entry (a route) in a VPC routing table.
+##------------------------------------------------------------------------------
 resource "aws_route" "main" {
   count = var.enable && var.vpc_attachement_create ? length(distinct(sort(data.aws_route_tables.main[0].ids)), ) * length(var.destination_cidr_block) : 0
 
@@ -107,7 +103,48 @@ resource "aws_route" "main" {
   ]
 }
 
+##------------------------------------------------------------------------------
+## An AWS Transit Gateway Route Table includes dynamic routes, static routes and blackhole routes.
+##------------------------------------------------------------------------------
+resource "aws_ec2_transit_gateway_route_table" "this" {
+  count = var.tgw_create ? 1 : 0
+
+  transit_gateway_id = aws_ec2_transit_gateway.main[0].id
+
+  tags = merge(
+    module.labels.tags,
+    { Name = var.name },
+  )
+}
+
+##------------------------------------------------------------------------------
+## The Transit Gateway Route in Amazon EC2 can be configured in Terraform with the resource name aws_ec2_transit_gateway_route.
+##------------------------------------------------------------------------------
+resource "aws_ec2_transit_gateway_route" "this" {
+  count = var.vpc_attachement_create ? 1 : 0
+
+  destination_cidr_block = "0.0.0.0/0"
+  blackhole              = true
+
+  transit_gateway_route_table_id = aws_ec2_transit_gateway.main.*.association_default_route_table_id
+  transit_gateway_attachment_id  = aws_ec2_transit_gateway_vpc_attachment.main.*.id
+}
+
+##------------------------------------------------------------------------------
+## Associates the specified attachment with the specified transit gateway route table. You can associate one route table with an attachment.
+##------------------------------------------------------------------------------
+resource "aws_ec2_transit_gateway_route_table_association" "this" {
+  count = var.vpc_attachement_create ? 1 : 0
+
+  transit_gateway_attachment_id  = aws_ec2_transit_gateway_vpc_attachment.main.*.id
+  transit_gateway_route_table_id = aws_ec2_transit_gateway_route_table.this[0].id
+}
+
+##------------------------------------------------------------------------------
+## Associates the specified attachment with the specified transit gateway route table. You can associate one route table with an attachment.
+##------------------------------------------------------------------------------
 resource "aws_ram_resource_share_accepter" "receiver_accept" {
   count     = var.enable && var.aws_ram_resource_share_accepter ? 1 : 0
   share_arn = var.resource_share_arn
-}
+}
+

outputs.tf

@@ -14,4 +14,24 @@ output "resource_share_arn" {
 output "tags" {
   value       = module.labels.tags
   description = "A mapping of tags to assign to the resource."
+}
+
+output "ec2_transit_gateway_arn" {
+  value       = try(aws_ec2_transit_gateway.main[0].arn, "")
+  description = "EC2 Transit Gateway Amazon Resource Name (ARN)"
+}
+
+output "ec2_transit_gateway_route_table_id" {
+  value       = try(aws_ec2_transit_gateway_route_table.this[0].id, "")
+  description = "EC2 Transit Gateway Route Table identifier"
+}
+
+output "ec2_transit_gateway_vpc_attachment" {
+  value       = aws_ec2_transit_gateway_vpc_attachment.main
+  description = "Map of EC2 Transit Gateway VPC Attachment attributes"
+}
+
+output "ram_resource_share_id" {
+  value       = try(aws_ram_resource_share.main[0].id, "")
+  description = "The Amazon Resource Name (ARN) of the resource share"
 }

variables.tf

@@ -10,7 +10,6 @@ variable "repository" {
   type        = string
   default     = "https://github.com/clouddrove/terraform-aws-transit-gateway"
   description = "Terraform current module repo"
-
 }
 
 variable "environment" {

_example/different-account/versions.tf → versions.tf

@@ -1,11 +1,11 @@
 # Terraform version
 terraform {
-  required_version = ">= 1.3.6"
+  required_version = ">= 1.4.6"
 
   required_providers {
     aws = {
       source  = "hashicorp/aws"
-      version = ">= 4.48.0"
+      version = ">= 5.1.0"
     }
   }
 }