From 5358f0ea1449270b22faa3288ec96c0f6f072cd3 Mon Sep 17 00:00:00 2001
From: Shingo Omura <everpeace@gmail.com>
Date: Thu, 26 May 2016 19:07:04 +0900
Subject: [PATCH] Added necessary prefixes to resources in
 autoscaling/hooks/enabled

so that multiple concourse clusters can be provisioned in the same aws account.

We need to put prefix to names of iam_role and sqs becase they exist independently to target auto scaling group.
---
 autoscaling/hooks/enabled/main.tf | 8 ++++++--
 main.tf                           | 3 ++-
 2 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/autoscaling/hooks/enabled/main.tf b/autoscaling/hooks/enabled/main.tf
index 9693719..51fa1d0 100644
--- a/autoscaling/hooks/enabled/main.tf
+++ b/autoscaling/hooks/enabled/main.tf
@@ -2,11 +2,11 @@
 # https://dzone.com/articles/graceful-shutdown-using-aws-autoscaling-groups-and
 
 resource "aws_sqs_queue" "graceful_termination_queue" {
-  name = "graceful_termination_queue"
+  name = "${var.prefix}graceful_termination_queue"
 }
 
 resource "aws_iam_role" "autoscaling_role" {
-  name = "autoscaling_role"
+name = "${var.prefix}autoscaling_role"
   assume_role_policy = <<EOF
 {
   "Version": "2012-10-17",
@@ -65,3 +65,7 @@ output "sqs_queue_arn" {
 
 variable "target_asg_name" {
 }
+
+variable "prefix" {
+
+}
diff --git a/main.tf b/main.tf
index f951b3d..4d7b7b0 100644
--- a/main.tf
+++ b/main.tf
@@ -11,6 +11,7 @@ provider "aws" {
 module "autoscaling_hooks" {
     source = "./autoscaling/hooks/enabled"
     target_asg_name = "${aws_autoscaling_group.worker-asg.name}"
+    prefix = "${var.prefix}"
 }
 
 module "autoscaling_schedule" {
@@ -147,7 +148,7 @@ resource "aws_launch_configuration" "worker-lc" {
     create_before_destroy = true
   }
 }
-  
+
 resource "template_file" "install_concourse" {
   template = "${file("${path.module}/00_install_concourse.sh.tpl")}"
 }