---
- name: configure systemd-notifier@.service
  template: 
    src: systemd-notifier@.service.j2 
    dest: "/etc/systemd/system/systemd-notifier@.service"
  notify: "restart systemd-notifier service"
  when: run_once_systemd_notifier_service is not defined

- name: run the systemd_notifier_service tasks once
  set_fact:
    run_once_systemd_notifier_service: true
  when: run_once_systemd_notifier_service is not defined