Add ability to route to transit gateway instead of NAT gateway.

silinternational · Nov 28, 2023 · 6f723c3 · 6f723c3
1 parent dcb51a3
commit 6f723c3
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Showing 2 changed files with 36 additions and 8 deletions.
diff --git a/terraform/010-cluster/main.tf b/terraform/010-cluster/main.tf
@@ -2,14 +2,18 @@
  * Create VPC
  */
 module "vpc" {
-  source                     = "github.com/silinternational/terraform-modules//aws/vpc?ref=8.6.0"
-  app_name                   = var.app_name
-  app_env                    = var.app_env
-  aws_zones                  = var.aws_zones
-  create_nat_gateway         = var.create_nat_gateway
-  private_subnet_cidr_blocks = var.private_subnet_cidr_blocks
-  public_subnet_cidr_blocks  = var.public_subnet_cidr_blocks
-  vpc_cidr_block             = var.vpc_cidr_block
+  source                                          = "github.com/silinternational/terraform-modules//aws/vpc?ref=8.6.0"
+  app_name                                        = var.app_name
+  app_env                                         = var.app_env
+  aws_zones                                       = var.aws_zones
+  create_nat_gateway                              = var.create_nat_gateway
+  private_subnet_cidr_blocks                      = var.private_subnet_cidr_blocks
+  public_subnet_cidr_blocks                       = var.public_subnet_cidr_blocks
+  vpc_cidr_block                                  = var.vpc_cidr_block
+  create_transit_gateway_attachment               = var.create_transit_gateway_attachment
+  transit_gateway_id                              = var.transit_gateway_id
+  transit_gateway_default_route_table_association = var.transit_gateway_default_route_table_association
+  transit_gateway_default_route_table_propagation = var.transit_gateway_default_route_table_propagation
 }
 
 /*

diff --git a/terraform/010-cluster/vars.tf b/terraform/010-cluster/vars.tf
@@ -33,6 +33,12 @@ variable "create_nat_gateway" {
   default     = true
 }
 
+variable "create_transit_gateway_attachment" {
+  description = "Set to true to attach a transit gateway to this vpc and route traffic to it. Use in conjunction with transit_gateway_id and create_nat_gateway=false."
+  type        = bool
+  default     = false
+}
+
 variable "ecs_cluster_name" {
   type = string
 }
@@ -68,6 +74,24 @@ variable "tags" {
   default     = {}
 }
 
+variable "transit_gateway_id" {
+  description = "The ID of the transit gateway to attach to when using create_transit_gateway_attachment."
+  type        = string
+  default     = ""
+}
+
+variable "transit_gateway_default_route_table_association" {
+  description = "Whether or not to associate with the default route table of the transit gateway."
+  type        = bool
+  default     = true
+}
+
+variable "transit_gateway_default_route_table_propagation" {
+  description = "Whether or not to send propigation of this route to the default route table of the transit gateway."
+  type        = bool
+  default     = true
+}
+
 variable "vpc_cidr_block" {
   description = "The block of IP addresses (as a CIDR) the VPC should use"
   type        = string