ansible-edda/playbooks/roles/services/setup/system/tasks/include/nameserver.yml

---
- name: "nameserver : fetch {{ services_resolv_host }}'s resolv.conf"
  ansible.builtin.fetch:
    src: "/etc/resolv.conf"
    dest: "./files/services/setup/system/nameserver/"
    flat: true
  when:
    ansible_hostname == services_resolv_host

- name: "nameserver : copy {{ services_resolv_host }}'s resolv.conf to other hosts"
  ansible.builtin.copy:
    src: "files/services/setup/system/nameserver/resolv.conf"
    dest: "{{ system_etc_root_directory }}/resolv.conf"
    mode: 0644