Merge pull request #80 from silinternational/develop

Release 8.3.0 - new variable `create_nat_gateway`
silinternational · Jun 12, 2023 · c12b09c · c12b09c
2 parents 2594df2 + 9f1889e
commit c12b09c
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Showing 4 changed files with 12 additions and 2 deletions.
diff --git a/aws/vpc/README.md b/aws/vpc/README.md
@@ -19,6 +19,7 @@ be useful.
 ## Optional Inputs
 
  - `enable_dns_hostnames` - default `false`
+ - `create_nat_gateway` - default `true`
 
 ## Outputs
 

diff --git a/aws/vpc/main.tf b/aws/vpc/main.tf
@@ -75,6 +75,8 @@ resource "aws_eip" "gateway_eip" {
 }
 
 resource "aws_nat_gateway" "nat_gateway" {
+  count = var.create_nat_gateway ? 1 : 0
+
   allocation_id = aws_eip.gateway_eip.id
   subnet_id     = aws_subnet.public_subnet[0].id
   depends_on    = [aws_internet_gateway.internet_gateway]
@@ -100,9 +102,11 @@ resource "aws_route_table" "nat_route_table" {
 }
 
 resource "aws_route" "nat_route" {
+  count = var.create_nat_gateway ? 1 : 0
+
   route_table_id         = aws_route_table.nat_route_table.id
   destination_cidr_block = "0.0.0.0/0"
-  nat_gateway_id         = aws_nat_gateway.nat_gateway.id
+  nat_gateway_id         = one(aws_nat_gateway.nat_gateway[*].id)
 }
 
 resource "aws_route_table_association" "private_route" {

diff --git a/aws/vpc/outputs.tf b/aws/vpc/outputs.tf
@@ -32,6 +32,6 @@ output "aws_zones" {
 }
 
 output "nat_gateway_ip" {
-  value = aws_nat_gateway.nat_gateway.public_ip
+  value = one(aws_nat_gateway.nat_gateway[*].public_ip)
 }
 
diff --git a/aws/vpc/vars.tf b/aws/vpc/vars.tf
@@ -26,3 +26,8 @@ variable "enable_dns_hostnames" {
   default = false
 }
 
+variable "create_nat_gateway" {
+  description = "Set to false to remove NAT gateway and associated route"
+  type        = bool
+  default     = true
+}