An example that launches a redis cluster inside a VPC with open access.

provider "aws" {
  region = "us-east-1"
}

module "elasticache_redis" {
  source = "github.com/turnerlabs/terraform-aws-elasticache-redis?ref=v2.2"

  cluster_id         = "myteam-myapp-dev"
  engine_version     = "2.8.24"
  instance_type      = "cache.m3.medium"
  maintenance_window = "sun:05:00-sun:06:00"
  vpc_id             = "vpc-d070efb3"
  private_subnet_ids = "subnet-020d8b59,subnet-13f50b64"

  tag_name          = "myteam-myapp-dev"
  tag_team          = "my-team"
  tag_contact-email = "my-team@turner.com"
  tag_application   = "my-app"
  tag_environment   = "dev"
  tag_customer      = "my-customer"
}

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"]
}