Add "enable" flag (#9)

README.md

@@ -90,6 +90,7 @@ Available targets:
 | delimiter | Delimiter to be used between `namespace`, `stage`, `name` and `attributes` | string | `-` | no |
 | description | The description of the key as viewed in AWS console | string | `Parameter Store KMS master key` | no |
 | enable_key_rotation | Specifies whether key rotation is enabled | string | `true` | no |
+| enabled | Set to false to prevent the module from creating any resources | string | `true` | no |
 | name | Application or solution name (e.g. `app`) | string | - | yes |
 | namespace | Namespace (e.g. `cp` or `cloudposse`) | string | - | yes |
 | policy | A valid kms policy JSON document. Note that if the policy document is not specific enough (but still valid), Terraform may view the policy as constantly changing in a terraform plan. In this case, please make sure you use the verbose/specific version of the policy. | string | `` | no |
@@ -246,7 +247,7 @@ Check out [our other projects][github], [follow us on twitter][twitter], [apply
 |---|
 
   [aknysh_homepage]: https://github.com/aknysh
-  [aknysh_avatar]: https://github.com/aknysh.png?size=150
+  [aknysh_avatar]: https://img.cloudposse.com/150x150/https://github.com/aknysh.png
 
 
 

docs/terraform.md

@@ -8,6 +8,7 @@
 | delimiter | Delimiter to be used between `namespace`, `stage`, `name` and `attributes` | string | `-` | no |
 | description | The description of the key as viewed in AWS console | string | `Parameter Store KMS master key` | no |
 | enable_key_rotation | Specifies whether key rotation is enabled | string | `true` | no |
+| enabled | Set to false to prevent the module from creating any resources | string | `true` | no |
 | name | Application or solution name (e.g. `app`) | string | - | yes |
 | namespace | Namespace (e.g. `cp` or `cloudposse`) | string | - | yes |
 | policy | A valid kms policy JSON document. Note that if the policy document is not specific enough (but still valid), Terraform may view the policy as constantly changing in a terraform plan. In this case, please make sure you use the verbose/specific version of the policy. | string | `` | no |

main.tf

@@ -1,5 +1,6 @@
 module "label" {
-  source     = "git::https://github.com/cloudposse/terraform-null-label.git?ref=tags/0.3.3"
+  source     = "git::https://github.com/cloudposse/terraform-null-label.git?ref=tags/0.11.1"
+  enabled    = "${var.enabled}"
   namespace  = "${var.namespace}"
   stage      = "${var.stage}"
   name       = "${var.name}"
@@ -33,6 +34,8 @@ module "policy" {
 }
 
 resource "aws_kms_key" "default" {
+  count = "${var.enabled == "true" ? 1 : 0}"
+
   description             = "${var.description}"
   deletion_window_in_days = "${var.deletion_window_in_days}"
   enable_key_rotation     = "${var.enable_key_rotation}"
@@ -41,6 +44,8 @@ resource "aws_kms_key" "default" {
 }
 
 resource "aws_kms_alias" "default" {
+  count = "${var.enabled == "true" ? 1 : 0}"
+
   name          = "${coalesce(var.alias, format("alias/%v", module.label.id))}"
   target_key_id = "${aws_kms_key.default.id}"
 }

output.tf

@@ -1,19 +1,19 @@
 output "key_arn" {
-  value       = "${aws_kms_key.default.arn}"
+  value       = "${join("", aws_kms_key.default.*.arn)}"
   description = "Key ARN"
 }
 
 output "key_id" {
-  value       = "${aws_kms_key.default.key_id}"
+  value       = "${join("", aws_kms_key.default.*.key_id)}"
   description = "Key ID"
 }
 
 output "alias_arn" {
-  value       = "${aws_kms_alias.default.arn}"
+  value       = "${join("", aws_kms_alias.default.*.arn)}"
   description = "Alias ARN"
 }
 
 output "alias_name" {
-  value       = "${aws_kms_alias.default.name}"
+  value       = "${join("", aws_kms_alias.default.*.name)}"
   description = "Alias name"
 }

variables.tf

@@ -1,3 +1,8 @@
+variable "enabled" {
+  description = "Set to false to prevent the module from creating any resources"
+  default     = "true"
+}
+
 variable "namespace" {
   type        = "string"
   description = "Namespace (e.g. `cp` or `cloudposse`)"