Enable backwards compatibility

Author: geidies

.gitignore

@@ -4,3 +4,4 @@
 terraform.tfstate
 terraform.tfvars
 Gemfile.lock
+.idea

main.tf

@@ -10,7 +10,7 @@ locals {
 ######
 # VPC
 ######
-resource "aws_vpc" "this" {
+resource "aws_vpc" "mod" {
   count = "${var.create_vpc ? 1 : 0}"
 
   cidr_block           = "${var.cidr}"
@@ -42,7 +42,7 @@ resource "aws_vpc_dhcp_options" "this" {
 resource "aws_vpc_dhcp_options_association" "this" {
   count = "${var.create_vpc && var.enable_dhcp_options ? 1 : 0}"
 
-  vpc_id          = "${aws_vpc.this.id}"
+  vpc_id          = "${aws_vpc.mod.id}"
   dhcp_options_id = "${aws_vpc_dhcp_options.this.id}"
 }
 
@@ -52,7 +52,7 @@ resource "aws_vpc_dhcp_options_association" "this" {
 resource "aws_internet_gateway" "this" {
   count = "${var.create_vpc && length(var.public_subnets) > 0 ? 1 : 0}"
 
-  vpc_id = "${aws_vpc.this.id}"
+  vpc_id = "${aws_vpc.mod.id}"
 
   tags = "${merge(map("Name", format("%s", var.name)), var.igw_tags, var.tags)}"
 }
@@ -63,7 +63,7 @@ resource "aws_internet_gateway" "this" {
 resource "aws_route_table" "public" {
   count = "${var.create_vpc && length(var.public_subnets) > 0 ? 1 : 0}"
 
-  vpc_id = "${aws_vpc.this.id}"
+  vpc_id = "${aws_vpc.mod.id}"
 
   tags = "${merge(map("Name", format("%s-public", var.name)), var.public_route_table_tags, var.tags)}"
 }
@@ -87,7 +87,7 @@ resource "aws_route" "public_internet_gateway" {
 resource "aws_route_table" "private" {
   count = "${var.create_vpc && local.max_subnet_length > 0 ? local.nat_gateway_count : 0}"
 
-  vpc_id = "${aws_vpc.this.id}"
+  vpc_id = "${aws_vpc.mod.id}"
 
   tags = "${merge(map("Name", (var.single_nat_gateway ? "${var.name}-private" : format("%s-private-%s", var.name, element(var.azs, count.index)))), var.private_route_table_tags, var.tags)}"
 
@@ -104,7 +104,7 @@ resource "aws_route_table" "private" {
 resource "aws_route_table" "intra" {
   count = "${var.create_vpc && length(var.intra_subnets) > 0 ? 1 : 0}"
 
-  vpc_id = "${aws_vpc.this.id}"
+  vpc_id = "${aws_vpc.mod.id}"
 
   tags = "${merge(map("Name", "${var.name}-intra"), var.intra_route_table_tags, var.tags)}"
 }
@@ -115,7 +115,7 @@ resource "aws_route_table" "intra" {
 resource "aws_subnet" "public" {
   count = "${var.create_vpc && length(var.public_subnets) > 0 && (!var.one_nat_gateway_per_az || length(var.public_subnets) >= length(var.azs)) ? length(var.public_subnets) : 0}"
 
-  vpc_id                  = "${aws_vpc.this.id}"
+  vpc_id                  = "${aws_vpc.mod.id}"
   cidr_block              = "${var.public_subnets[count.index]}"
   availability_zone       = "${element(var.azs, count.index)}"
   map_public_ip_on_launch = "${var.map_public_ip_on_launch}"
@@ -129,7 +129,7 @@ resource "aws_subnet" "public" {
 resource "aws_subnet" "private" {
   count = "${var.create_vpc && length(var.private_subnets) > 0 ? length(var.private_subnets) : 0}"
 
-  vpc_id            = "${aws_vpc.this.id}"
+  vpc_id            = "${aws_vpc.mod.id}"
   cidr_block        = "${var.private_subnets[count.index]}"
   availability_zone = "${element(var.azs, count.index)}"
 
@@ -142,7 +142,7 @@ resource "aws_subnet" "private" {
 resource "aws_subnet" "database" {
   count = "${var.create_vpc && length(var.database_subnets) > 0 ? length(var.database_subnets) : 0}"
 
-  vpc_id            = "${aws_vpc.this.id}"
+  vpc_id            = "${aws_vpc.mod.id}"
   cidr_block        = "${var.database_subnets[count.index]}"
   availability_zone = "${element(var.azs, count.index)}"
 
@@ -165,7 +165,7 @@ resource "aws_db_subnet_group" "database" {
 resource "aws_subnet" "redshift" {
   count = "${var.create_vpc && length(var.redshift_subnets) > 0 ? length(var.redshift_subnets) : 0}"
 
-  vpc_id            = "${aws_vpc.this.id}"
+  vpc_id            = "${aws_vpc.mod.id}"
   cidr_block        = "${var.redshift_subnets[count.index]}"
   availability_zone = "${element(var.azs, count.index)}"
 
@@ -188,7 +188,7 @@ resource "aws_redshift_subnet_group" "redshift" {
 resource "aws_subnet" "elasticache" {
   count = "${var.create_vpc && length(var.elasticache_subnets) > 0 ? length(var.elasticache_subnets) : 0}"
 
-  vpc_id            = "${aws_vpc.this.id}"
+  vpc_id            = "${aws_vpc.mod.id}"
   cidr_block        = "${var.elasticache_subnets[count.index]}"
   availability_zone = "${element(var.azs, count.index)}"
 
@@ -209,7 +209,7 @@ resource "aws_elasticache_subnet_group" "elasticache" {
 resource "aws_subnet" "intra" {
   count = "${var.create_vpc && length(var.intra_subnets) > 0 ? length(var.intra_subnets) : 0}"
 
-  vpc_id            = "${aws_vpc.this.id}"
+  vpc_id            = "${aws_vpc.mod.id}"
   cidr_block        = "${var.intra_subnets[count.index]}"
   availability_zone = "${element(var.azs, count.index)}"
 
@@ -274,7 +274,7 @@ data "aws_vpc_endpoint_service" "s3" {
 resource "aws_vpc_endpoint" "s3" {
   count = "${var.create_vpc && var.enable_s3_endpoint ? 1 : 0}"
 
-  vpc_id       = "${aws_vpc.this.id}"
+  vpc_id       = "${aws_vpc.mod.id}"
   service_name = "${data.aws_vpc_endpoint_service.s3.service_name}"
 }
 
@@ -311,7 +311,7 @@ data "aws_vpc_endpoint_service" "dynamodb" {
 resource "aws_vpc_endpoint" "dynamodb" {
   count = "${var.create_vpc && var.enable_dynamodb_endpoint ? 1 : 0}"
 
-  vpc_id       = "${aws_vpc.this.id}"
+  vpc_id       = "${aws_vpc.mod.id}"
   service_name = "${data.aws_vpc_endpoint_service.dynamodb.service_name}"
 }
 
@@ -387,15 +387,15 @@ resource "aws_route_table_association" "public" {
 resource "aws_vpn_gateway" "this" {
   count = "${var.create_vpc && var.enable_vpn_gateway ? 1 : 0}"
 
-  vpc_id = "${aws_vpc.this.id}"
+  vpc_id = "${aws_vpc.mod.id}"
 
   tags = "${merge(map("Name", format("%s", var.name)), var.vpn_gateway_tags, var.tags)}"
 }
 
 resource "aws_vpn_gateway_attachment" "this" {
   count = "${var.vpn_gateway_id != "" ? 1 : 0}"
 
-  vpc_id         = "${aws_vpc.this.id}"
+  vpc_id         = "${aws_vpc.mod.id}"
   vpn_gateway_id = "${var.vpn_gateway_id}"
 }
 

outputs.tf

@@ -1,62 +1,62 @@
 # VPC
 output "vpc_id" {
   description = "The ID of the VPC"
-  value       = "${element(concat(aws_vpc.this.*.id, list("")), 0)}"
+  value       = "${element(concat(aws_vpc.mod.*.id, list("")), 0)}"
 }
 
 output "vpc_cidr_block" {
   description = "The CIDR block of the VPC"
-  value       = "${element(concat(aws_vpc.this.*.cidr_block, list("")), 0)}"
+  value       = "${element(concat(aws_vpc.mod.*.cidr_block, list("")), 0)}"
 }
 
 output "default_security_group_id" {
   description = "The ID of the security group created by default on VPC creation"
-  value       = "${element(concat(aws_vpc.this.*.default_security_group_id, list("")), 0)}"
+  value       = "${element(concat(aws_vpc.mod.*.default_security_group_id, list("")), 0)}"
 }
 
 output "default_network_acl_id" {
   description = "The ID of the default network ACL"
-  value       = "${element(concat(aws_vpc.this.*.default_network_acl_id, list("")), 0)}"
+  value       = "${element(concat(aws_vpc.mod.*.default_network_acl_id, list("")), 0)}"
 }
 
 output "default_route_table_id" {
   description = "The ID of the default route table"
-  value       = "${element(concat(aws_vpc.this.*.default_route_table_id, list("")), 0)}"
+  value       = "${element(concat(aws_vpc.mod.*.default_route_table_id, list("")), 0)}"
 }
 
 output "vpc_instance_tenancy" {
   description = "Tenancy of instances spin up within VPC"
-  value       = "${element(concat(aws_vpc.this.*.instance_tenancy, list("")), 0)}"
+  value       = "${element(concat(aws_vpc.mod.*.instance_tenancy, list("")), 0)}"
 }
 
 output "vpc_enable_dns_support" {
   description = "Whether or not the VPC has DNS support"
-  value       = "${element(concat(aws_vpc.this.*.enable_dns_support, list("")), 0)}"
+  value       = "${element(concat(aws_vpc.mod.*.enable_dns_support, list("")), 0)}"
 }
 
 output "vpc_enable_dns_hostnames" {
   description = "Whether or not the VPC has DNS hostname support"
-  value       = "${element(concat(aws_vpc.this.*.enable_dns_hostnames, list("")), 0)}"
+  value       = "${element(concat(aws_vpc.mod.*.enable_dns_hostnames, list("")), 0)}"
 }
 
 //output "vpc_enable_classiclink" {
 //  description = "Whether or not the VPC has Classiclink enabled"
-//  value       = "${element(concat(aws_vpc.this.*.enable_classiclink, list("")), 0)}"
+//  value       = "${element(concat(aws_vpc.mod.*.enable_classiclink, list("")), 0)}"
 //}
 
 output "vpc_main_route_table_id" {
   description = "The ID of the main route table associated with this VPC"
-  value       = "${element(concat(aws_vpc.this.*.main_route_table_id, list("")), 0)}"
+  value       = "${element(concat(aws_vpc.mod.*.main_route_table_id, list("")), 0)}"
 }
 
 //output "vpc_ipv6_association_id" {
 //  description = "The association ID for the IPv6 CIDR block"
-//  value       = "${element(concat(aws_vpc.this.*.ipv6_association_id, list("")), 0)}"
+//  value       = "${element(concat(aws_vpc.mod.*.ipv6_association_id, list("")), 0)}"
 //}
 //
 //output "vpc_ipv6_cidr_block" {
 //  description = "The IPv6 CIDR block"
-//  value       = "${element(concat(aws_vpc.this.*.ipv6_cidr_block, list("")), 0)}"
+//  value       = "${element(concat(aws_vpc.mod.*.ipv6_cidr_block, list("")), 0)}"
 //}
 
 # Subnets