Add working example usage

This creates all the base resources necessary to test the elasticsearch-cleanup module. Unfortunately this requires a two stage apply as the `aws_route53_zone` resource fails to compute ID when passed into other modules. See: cloudposse/terraform-aws-elasticsearch#13

Author: joshmyers

example/main.tf

@@ -0,0 +1,51 @@
+module "vpc" {
+ source = "git::https://github.com/cloudposse/terraform-aws-vpc.git?ref=master"
+ namespace = "example"
+ stage = "dev"
+ name = "app"
+}
+
+module "subnets" {
+ source = "git::https://github.com/cloudposse/terraform-aws-dynamic-subnets.git?ref=master"
+ namespace = "example"
+ stage = "dev"
+ name = "app"
+ region = "us-west-2"
+ vpc_id = "${module.vpc.vpc_id}"
+ igw_id = "${module.vpc.igw_id}"
+ cidr_block = "10.0.0.0/16"
+ availability_zones = ["us-west-2a", "us-west-2b"]
+}
+
+module "elasticsearch" {
+ source = "git::https://github.com/cloudposse/terraform-aws-elasticsearch.git?ref=tags/0.1.5"
+ namespace = "example"
+ stage = "dev"
+ name = "es"
+ dns_zone_id = "Z3SO0TKDDQ0RGG"
+ security_groups = []
+ vpc_id = "${module.vpc.vpc_id}"
+ subnet_ids = ["${module.subnets.public_subnet_ids}"]
+ zone_awareness_enabled = "true"
+ elasticsearch_version = "6.2"
+ instance_type = "t2.small.elasticsearch"
+ instance_count = 4
+ kibana_subdomain_name = "example-kibana-es"
+ encrypt_at_rest_enabled = "false"
+ ebs_volume_size = 10
+ iam_actions = ["es:*"]
+ iam_role_arns = ["*"]
+ create_iam_service_linked_role = "false"
+}
+
+module "elasticsearch-cleanup" {
+ source = "../"
+ es_endpoint = "${module.elasticsearch.domain_endpoint}"
+ es_domain_arn = "${module.elasticsearch.domain_arn}"
+ es_security_group_id = "${module.elasticsearch.security_group_id}"
+ vpc_id = "${module.vpc.vpc_id}"
+ enabled = "true"
+ namespace = "example"
+ stage = "dev"
+ schedule = "rate(5 minutes)"
+}