ansible-edda/plays/system/roles/base/tasks/include/motd.yml

- name: "motd : set motd"
  ansible.builtin.copy:
    src: "{{ _system_base_motd_file }}"
    dest: "/etc/motd"
    mode: 0644
  when:
    system_base_motd_dir is defined and
    _system_base_motd_file != ""
  vars:
    _file_path:
      - "{{ system_base_motd_dir  }}/{{ ansible_hostname }}"
    _system_base_motd_file: >-
      {{ lookup('ansible.builtin.first_found', _file_path, errors='ignore') }}