consul/terraform/openstack/consul.tf

provider "openstack" {
  user_name   = "${var.username}"
  tenant_name = "${var.tenant_name}"
  password    = "${var.password}"
  auth_url    = "${var.auth_url}"
}

resource "openstack_compute_keypair_v2" "consul_keypair" {
  name       = "consul-keypair"
  region     = "${var.region}"
  public_key = "${var.public_key}"
}

resource "openstack_compute_floatingip_v2" "consul_ip" {
  region = "${var.region}"
  pool   = "${lookup(var.pub_net_id, var.region)}"
  count  = "${var.servers}"
}

resource "openstack_compute_instance_v2" "consul_node" {
  name        = "consul-node-${count.index}"
  region      = "${var.region}"
  image_id    = "${lookup(var.image, var.region)}"
  flavor_id   = "${lookup(var.flavor, var.region)}"
  floating_ip = "${element(openstack_compute_floatingip_v2.consul_ip.*.address,count.index)}"
  key_pair    = "consul-keypair"
  count       = "${var.servers}"

  connection {
    user     = "${var.user_login}"
    key_file = "${var.key_file_path}"
    timeout  = "1m"
  }

  provisioner "file" {
    source      = "${path.module}/scripts/upstart.conf"
    destination = "/tmp/upstart.conf"
  }

  provisioner "file" {
    source      = "${path.module}/scripts/upstart-join.conf"
    destination = "/tmp/upstart-join.conf"
  }

  provisioner "remote-exec" {
    inline = [
      "echo ${var.servers} > /tmp/consul-server-count",
      "echo ${count.index} > /tmp/consul-server-index",
      "echo ${openstack_compute_instance_v2.consul_node.0.network.0.fixed_ip_v4} > /tmp/consul-server-addr",
    ]
  }

  provisioner "remote-exec" {
    scripts = [
      "${path.module}/scripts/install.sh",
      "${path.module}/scripts/server.sh",
      "${path.module}/scripts/service.sh",
    ]
  }
}