Merge pull request #3 from headout/ft-existing-vpc

Adding gateway id values
headout · Nov 19, 2023 · fcdc24a · fcdc24a
2 parents d1ca502 + 97691df
commit fcdc24a
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Showing 2 changed files with 9 additions and 3 deletions.
diff --git a/main.tf b/main.tf
@@ -7,6 +7,7 @@ locals {
   len_intra_subnets       = max(length(var.intra_subnets), length(var.intra_subnet_ipv6_prefixes))
   len_outpost_subnets     = max(length(var.outpost_subnets), length(var.outpost_subnet_ipv6_prefixes))
 
+
   max_subnet_length = max(
     local.len_private_subnets,
     local.len_public_subnets,
@@ -147,7 +148,7 @@ resource "aws_route" "public_internet_gateway" {
 
   route_table_id         = aws_route_table.public[0].id
   destination_cidr_block = "0.0.0.0/0"
-  gateway_id             = aws_internet_gateway.this[0].id
+  gateway_id             = var.create_igw ? aws_internet_gateway.this[0].id : var.igw_id
 
   timeouts {
     create = "5m"
@@ -159,7 +160,7 @@ resource "aws_route" "public_internet_gateway_ipv6" {
 
   route_table_id              = aws_route_table.public[0].id
   destination_ipv6_cidr_block = "::/0"
-  gateway_id                  = aws_internet_gateway.this[0].id
+  gateway_id                  = var.create_igw ? aws_internet_gateway.this[0].id : var.igw_id
 }
 
 ################################################################################
@@ -416,7 +417,7 @@ resource "aws_route" "database_internet_gateway" {
 
   route_table_id         = aws_route_table.database[0].id
   destination_cidr_block = "0.0.0.0/0"
-  gateway_id             = aws_internet_gateway.this[0].id
+  gateway_id             = var.create_igw ? aws_internet_gateway.this[0].id : var.igw_id
 
   timeouts {
     create = "5m"

diff --git a/variables.tf b/variables.tf
@@ -1164,6 +1164,11 @@ variable "igw_tags" {
   default     = {}
 }
 
+variable "igw_id" {
+  description = "existing gateway id"
+  type = string
+}
+
 ################################################################################
 # NAT Gateway
 ################################################################################