ansible_drbd/templates/resource.res.j2

resource {{ drbd_resource_name }} {
  device /dev/drbd1;
  meta-disk internal;
  net {
    protocol C;
  }
  {% for node in groups['nodes'] %}
  on {{ node }} {
    disk {{hostvars[node].drbd_disk}}1;
    address {{hostvars[node].ansible_host}}:7789;
  }
  {% endfor %}
}