v1.1 -> expose cluster_id

Signed-off-by: John Ritsema <john.ritsema@turner.com>

Author: jritsema

examples/open/readme.md

@@ -8,7 +8,9 @@ provider "aws" {
 }
 
 module "elasticache_redis" {
-  source = "github.com/turnerlabs/terraform-aws-elasticache-redis?ref=v1.0"
+  source = "github.com/turnerlabs/terraform-aws-elasticache-redis?ref=v1.1"
+
+  cluster_id = "myteam-myapp-dev"
 
   vpc_id = "vpc-d070efb3"
   private_subnet_ids = "subnet-020d8b59,subnet-13f50b64"
@@ -20,7 +22,7 @@ module "elasticache_redis" {
   tag_name = "redis"
   tag_environment = "dev"
   tag_team = "myteam"
-  tag_application = "my-app"
+  tag_application = "myapp"
 }
 
 resource "aws_security_group_rule" "access_in" {

main.tf

@@ -24,7 +24,7 @@ resource "aws_elasticache_subnet_group" "default" {
 }
 
 resource "aws_elasticache_cluster" "redis" {
-  cluster_id = "${var.tag_team}-${var.tag_application}-${var.tag_environment}"
+  cluster_id = "${var.cluster_id}"
   engine = "redis"
   engine_version = "${var.engine_version}"
   maintenance_window = "${var.maintenance_window}"

readme.md

@@ -6,7 +6,9 @@ A Terraform module that represents an AWS ElastiCache Redis cluster.  Note that
 
 ```terraform
 module "elasticache_redis" {
-  source = "github.com/turnerlabs/terraform-aws-elasticache-redis?ref=v1.0"
+  source = "github.com/turnerlabs/terraform-aws-elasticache-redis?ref=v1.1"
+
+  cluster_id = "myteam-myapp-dev"
 
   vpc_id = "vpc-20f74844"
   private_subnet_ids = "subnet-4a887f3c,subnet-76dae35d"
@@ -18,12 +20,13 @@ module "elasticache_redis" {
   tag_name = "redis"
   tag_environment = "dev"
   tag_team = "myteam"
-  tag_application = "my-app"
+  tag_application = "myapp"
 }
 ```
 
 ### Variables
 
+- `cluster_id` - ID of the cluster
 - `vpc_id` - ID of VPC meant to house the cache
 - `private_subnet_ids` - Comma delimited list of private subnet IDs
 - `engine_version` - Cache engine version (default: `2.8.24`)

variables.tf

@@ -1,3 +1,5 @@
+variable "cluster_id" {}
+
 variable "vpc_id" {}
 
 variable "private_subnet_ids" {}