added more examples

Author: jritsema

examples/open/readme.md

@@ -0,0 +1,48 @@
+An example that launches a redis cluster inside a VPC with open access.
+
+
+```terraform
+
+provider "aws" {
+  region = "us-east-1"
+}
+
+module "elasticache_redis" {
+  source = "github.com/turnerlabs/terraform-aws-elasticache-redis"
+
+  vpc_id = "vpc-d070efb3"
+  private_subnet_ids = "subnet-020d8b59,subnet-13f50b64"
+
+  engine_version = "2.8.24"
+  instance_type = "cache.m3.medium"
+  maintenance_window = "sun:05:00-sun:06:00"
+
+  tag_name = "redis"
+  tag_description = "redis cluster for development"
+  tag_creator = "jritsema"
+  tag_product = "poc"
+  tag_customer = "jritsema"
+  tag_owner = "jritsema"
+  tag_environment = "dev"
+  tag_costcenter = "TBD"
+}
+
+resource "aws_security_group_rule" "access_in" {
+  security_group_id = "${module.elasticache_redis.cache_security_group_id}"
+  type        = "ingress"
+  from_port   = 6379
+  to_port     = 6379
+  protocol    = "tcp"
+  cidr_blocks = ["0.0.0.0/0"]
+}
+
+resource "aws_security_group_rule" "access_out" {
+  security_group_id = "${module.elasticache_redis.cache_security_group_id}"
+  type        = "egress"
+  from_port   = 6379
+  to_port     = 6379
+  protocol    = "tcp"
+  cidr_blocks = ["0.0.0.0/0"]
+}
+
+```

readme.md

@@ -1,6 +1,6 @@
 # terraform-aws-elasticache-redis
 
-A Terraform module to create an Amazon Web Services (AWS) Redis ElastiCache cluster.
+A Terraform module that represents an AWS ElastiCache Redis cluster.  Note that a default security group is created and outputted that can be extended.  See basic example usage below and more examples [here](/examples).
 
 ### Usage