# Setup the Consul provisioner to use the demo cluster
provider "consul" {
    address = "demo.consul.io:80"
    datacenter = "nyc1"
}

# Setup an AWS provider
provider "aws" {
    region = "${var.aws_region}"
}

# Setup a key in Consul to provide inputs
resource "consul_keys" "input" {
    key {
        name = "size"
        path = "tf_test/size"
        default = "m1.small"
    }
}

# Setup a new AWS instance using a dynamic ami and
# instance type
resource "aws_instance" "test" {
    ami = "${lookup(var.aws_amis, var.aws_region)}"
    instance_type = "${consul_keys.input.var.size}"
}

# Setup a key in Consul to store the instance id and
# the DNS name of the instance
resource "consul_keys" "test" {
    key {
        name = "id"
        path = "tf_test/id"
        value = "${aws_instance.test.id}"
        delete = true
    }
    key {
        name = "address"
        path = "tf_test/public_dns"
        value = "${aws_instance.test.public_dns}"
        delete = true
    }
}