resource "openstack_compute_instance_v2" "followers" {
  count           = var.num_followers
  name            = "terratest_follower_${count.index}"
  image_id        = var.image_id
  flavor_name     = var.follower_flavor
  key_pair        = openstack_compute_keypair_v2.this.name
  security_groups = [openstack_networking_secgroup_v2.ssh_ping.name]

  network {
    name = openstack_networking_network_v2.private.name
  }
}

resource "openstack_networking_floatingip_v2" "followers" {
  count = var.num_followers
  pool  = "public"
}

resource "openstack_compute_floatingip_associate_v2" "followers" {
  count       = var.num_followers
  floating_ip = openstack_networking_floatingip_v2.followers[count.index].address
  instance_id = openstack_compute_instance_v2.followers[count.index].id

  connection {
    type        = "ssh"
    host        = openstack_networking_floatingip_v2.followers[count.index].address
    user        = "ubuntu"
    agent       = false
    private_key = file(var.private_key_file)
  }

  provisioner "remote-exec" {
    inline = [
      "sudo apt-get update > terratest.log",
      "sudo echo ${openstack_networking_floatingip_v2.leader.address} > leader_fip.txt",
      "echo '* libraries/restart-without-asking boolean true' | sudo debconf-set-selections",
      "sudo apt-get -y install python3-pip >> terratest.log",
      "pip3 install numpy >> terratest.log"
    ]
  }
}

output "follower_floatingips" {
  value = openstack_compute_floatingip_associate_v2.followers.*.floating_ip
}