computer-playbook/roles/systemd-timer/tasks/main.yml

- name: create {{service_name}}.cymais.timer
  template:
    src: dummy.timer.j2
    dest: "/etc/systemd/system/{{service_name}}.cymais.timer"
  register: dummy_timer

- name: "restart timer"
  systemd:
    daemon_reload: yes
    name: "{{service_name}}.cymais.timer"
    state: restarted
    enabled: yes
  when: dummy_timer.changed or activate_all_timers | bool