Utilize tf_subnets (#4)

main.tf

@@ -6,9 +6,20 @@ module "label" {
   stage     = "${var.stage}"
 }
 
+module "subnets" {
+  source = "git::https://github.com/cloudposse/tf_subnets.git?ref=tags/0.1.6"
+
+  availability_zones = "${var.availability_zones}"
+  namespace          = "${var.namespace}"
+  name               = "${var.name}"
+  stage              = "${var.stage}"
+  region             = "${var.region}"
+  vpc_id             = "${aws_vpc.default.id}"
+  cidr_block         = "${aws_vpc.default.cidr_block}"
+}
 
 resource "aws_vpc" "default" {
-  cidr_block           = "${var.cidr}"
+  cidr_block           = "${var.cidr_block}"
   enable_dns_hostnames = true
 
   tags {

outputs.tf

@@ -2,10 +2,10 @@ output "vpc_id" {
   value = "${aws_vpc.default.id}"
 }
 
-output "public_subnets" {
-  value = ["${aws_subnet.public.*.id}"]
+output "public_subnet_ids" {
+  value = ["${module.subnets.public_subnet_ids}"]
 }
 
-output "private_subnets" {
-  value = ["${aws_subnet.private.*.id}"]
+output "private_subnet_ids" {
+  value = ["${module.subnets.private_subnet_ids}"]
 }

variables.tf

@@ -1,21 +1,25 @@
 variable "namespace" {
-  default = "global"
+  default = ""
 }
 
 variable "stage" {
-  default = "default"
+  default = ""
 }
 
 variable "name" {
-  default = "vpc"
+  default = ""
 }
 
 variable "availability_zones" {
   description = "Run the EC2 Instances in these Availability Zones"
   type        = "list"
 }
 
-variable "cidr" {
+variable "cidr_block" {
   description = "CIDR for the whole VPC"
   default     = "10.0.0.0/16"
 }
+
+variable "region" {
+  default = ""
+}