okd/playbooks/openstack/openshift-cluster/dns.yml

- name: Populate oo_dns_hosts_to_update group
  hosts: localhost
  connection: local
  become: no
  gather_facts: no
  vars_files:
  - vars.yml
  - cluster_hosts.yml
  tasks:
  - name: Evaluate oo_dns_hosts_to_update
    add_host:
      name: "{{ item }}"
      groups: oo_dns_hosts_to_update
      ansible_ssh_user: "{{ deployment_vars[deployment_type].ssh_user }}"
      ansible_become: "{{ deployment_vars[deployment_type].become }}"
    with_items: "{{ groups[cluster_id ~ '-dns'] }}"

  - name: Evaluate oo_hosts_to_add_in_dns
    add_host:
      name: "{{ item }}"
      groups: oo_hosts_to_add_in_dns
      ansible_ssh_user: "{{ deployment_vars[deployment_type].ssh_user }}"
      ansible_become: "{{ deployment_vars[deployment_type].become }}"
    with_items: "{{ groups['tag_clusterid_' ~ cluster_id] }}"

- name: Gather facts
  hosts: oo_hosts_to_add_in_dns
  vars_files:
  - vars.yml
  - cluster_hosts.yml

- name: Configure the DNS
  hosts: oo_dns_hosts_to_update
  vars_files:
  - vars.yml
  - cluster_hosts.yml
  roles:
    # Explicitly calling openshift_facts because it appears that when
    # rhel_subscribe is skipped that the openshift_facts dependency for
    # openshift_repos is also skipped (this is the case at least for Ansible
    # 2.0.2)
    - openshift_facts
    - role: rhel_subscribe
      when: deployment_type in ["enterprise", "atomic-enterprise", "openshift-enterprise"] and
            ansible_distribution == "RedHat" and
            lookup('oo_option', 'rhel_skip_subscription') | default(rhsub_skip, True) |
              default('no', True) | lower in ['no', 'false']

    - { role: dns,
        dns_forwarders: "{{ openstack_network_dns }}",
        dns_zones: [ novalocal, openstacklocal ],
        dns_all_hosts: "{{ g_all_hosts }}" }