resource "hcloud_server" "node" {
  name        = "${local.cluster_name}-${count.index + 1}"
  image       = var.node_image
  server_type = var.instance_type
  location    = var.hcloud_location
  ssh_keys = [var.ssh_key_id]
  count       = var.node_count

  network {
    network_id = var.hcloud_network_id
  }

  public_net {
    ipv4_enabled = false
    ipv6_enabled = false
  }

  user_data = templatefile(
    format("%s/files/userdata_node.template", path.module),
    {
      username         = local.node_username
      register_command = var.cluster_registration_command
    }
  )

  lifecycle {
    ignore_changes = [ssh_keys, network]
  }
}