---
- name: Live update the subnet's DNS servers
  os_subnet:
    name: openshift-ansible-{{ stack_name }}-subnet
    network_name: openshift-ansible-{{ stack_name }}-net
    state: present
    use_default_subnetpool: yes
    dns_nameservers: "{{ [private_dns_server|default(public_dns_nameservers[0])]|union(public_dns_nameservers)|unique }}"