add example

Author: krotkiewicz

.gitignore

@@ -2,3 +2,4 @@
 *.tfstate.backup
 *.tfvars
 *.lock.info
+.terraform

README.md

@@ -17,18 +17,24 @@
 
 ## How to use it ?
 
-Create `terraform.tfvars` file with content:
+Clone the repo, go to `example` directory, create `terraform.tfvars` file with content:
 ```
 region = "<REGION-HERE>"
 access_key = "<YOUR-KEY-HERE>"
 secret_key = "<YOUR-SECRET-HERE>"
 ssh_key_name = "<SSH-KEY-NAME>"
 vpc_id = "<VPC-ID>"
-subnet_ids = ["<SUBNET-1-ID>", "<SUBNET-2-ID>"]
-count = 3
+subnet_ids = ["<SUBNET-ID-1>", "<SUBNET-ID-2>"]
+ssh_security_group_ids = []
+elb_security_group_ids = []
+
+rabbitmq_admin_password = "example-password"
+rabbitmq_admin_password = "example-password"
+rabbitmq_secret_cookie = "example-secret-cookie"
+rabbitmq_node_count = 3
 ```
 
-then run `terraform plan` and `terraform apply`
+then run `terraform get`, `terraform plan` and `terraform apply`.
 
 Are 3 node not enough ? Update `count` to `5` and run `terraform apply` again,
 it will update Autoscaling Group and add `2` nodes more. Dead simple.

example/main.tf

@@ -0,0 +1,40 @@
+variable "access_key" {}
+variable "secret_key" {}
+variable "region" {}
+
+variable "vpc_id" {}
+variable "ssh_key_name" {}
+variable "subnet_ids" {
+  type = "list"
+}
+variable "ssh_security_group_ids" {
+  type = "list"
+}
+variable "elb_security_group_ids" {
+  type = "list"
+}
+
+variable "rabbitmq_admin_password" {}
+variable "rabbitmq_rabbit_password" {}
+variable "rabbitmq_secret_cookie" {}
+variable "rabbitmq_node_count" {}
+
+provider "aws" {
+  region     = "${var.region}"
+  access_key = "${var.access_key}"
+  secret_key = "${var.secret_key}"
+}
+
+module "rabbitmq" {
+  source = "github.com/ulamlabs/rabbitmq-cluster"
+  region = "${var.region}"
+  vpc_id = "${var.vpc_id}"
+  ssh_key_name = "${var.ssh_key_name}"
+  subnet_ids = "${var.subnet_ids}"
+  ssh_security_group_ids = "${var.ssh_security_group_ids}"
+  elb_security_group_ids = "${var.elb_security_group_ids}"
+  admin_password = "${var.rabbitmq_admin_password}"
+  rabbit_password = "${var.rabbitmq_rabbit_password}"
+  rabbitmq_secret_cookie = "${var.rabbitmq_secret_cookie}"
+  count = "${var.rabbitmq_node_count}"
+}