fixes output.endpoint error (closes #2)

Error: Error applying plan:

1 error(s) occurred:

* module.elasticache_redis.output.endpoint: At column 3, line 1: join:
* argument 1 should be type list, got type string in:

${join(":", aws_elasticache_cluster.redis.cache_nodes.0.address,
aws_elasticache_cluster.redis.cache_nodes.0.port)}

Author: jritsema

examples/open/readme.md

@@ -7,7 +7,7 @@ provider "aws" {
 }
 
 module "elasticache_redis" {
-  source = "github.com/turnerlabs/terraform-aws-elasticache-redis?ref=v2.1"
+  source = "github.com/turnerlabs/terraform-aws-elasticache-redis?ref=v2.2"
 
   cluster_id         = "myteam-myapp-dev"
   engine_version     = "2.8.24"

outputs.tf

@@ -11,5 +11,5 @@ output "port" {
 }
 
 output "endpoint" {
-  value = "${join(":", aws_elasticache_cluster.redis.cache_nodes.0.address, aws_elasticache_cluster.redis.cache_nodes.0.port)}"
+  value = "${join(":", list(aws_elasticache_cluster.redis.cache_nodes.0.address, aws_elasticache_cluster.redis.cache_nodes.0.port))}"
 }

readme.md

@@ -10,7 +10,7 @@ provider "aws" {
 }
 
 module "elasticache_redis" {
-  source = "github.com/turnerlabs/terraform-aws-elasticache-redis?ref=v2.1"
+  source = "github.com/turnerlabs/terraform-aws-elasticache-redis?ref=v2.2"
 
   cluster_id         = "myteam-myapp-dev"
   engine_version     = "2.8.24"