ansible-edda/plays/services/roles/system_setup/tasks/include/nameserver.yml

- name: "nameserver : fetch valkyrie's resolv.conf"
  ansible.builtin.fetch:
    src: "/etc/resolv.conf"
    dest: "./files/system_setup/nameserver/"
    flat: true
  when:
    ansible_hostname == "valkyrie"

- name: "nameserver : copy valkyrie's resolv.conf to other hosts"
  ansible.builtin.copy:
    src: "../../../files/system_setup/nameserver/resolv.conf"
    dest: "/var/lib/{{ ansible_hostname }}/valkyrie-resolv.conf"
  when:
    ansible_hostname != "valkyrie"