Add cidr_block outputs to public and private subnets (#19)

outputs.tf

@@ -25,16 +25,31 @@ output "private_subnets" {
   value       = ["${aws_subnet.private.*.id}"]
 }
 
+output "private_subnets_cidr_blocks" {
+  description = "List of cidr_blocks of private subnets"
+  value       = ["${aws_subnet.private.*.cidr_block}"]
+}
+
 output "public_subnets" {
   description = "List of IDs of public subnets"
   value       = ["${aws_subnet.public.*.id}"]
 }
 
+output "public_subnets_cidr_blocks" {
+  description = "List of cidr_blocks of public subnets"
+  value       = ["${aws_subnet.public.*.cidr_block}"]
+}
+
 output "database_subnets" {
   description = "List of IDs of database subnets"
   value       = ["${aws_subnet.database.*.id}"]
 }
 
+output "database_subnets_cidr_blocks" {
+  description = "List of cidr_blocks of database subnets"
+  value       = ["${aws_subnet.database.*.cidr_block}"]
+}
+
 output "database_subnet_group" {
   description = "ID of database subnet group"
   value       = "${aws_db_subnet_group.database.id}"
@@ -45,6 +60,11 @@ output "elasticache_subnets" {
   value       = ["${aws_subnet.elasticache.*.id}"]
 }
 
+output "elasticache_subnets_cidr_blocks" {
+  description = "List of cidr_blocks of elasticache subnets"
+  value       = ["${aws_subnet.elasticache.*.cidr_block}"]
+}
+
 output "elasticache_subnet_group" {
   description = "ID of elasticache subnet group"
   value       = "${aws_elasticache_subnet_group.elasticache.id}"