ansible/playbooks/wol_enable.yml

- hosts: datacenter
  name: Enable WOL
  become: true
  tasks:
    - name: Install ethtool
      ansible.builtin.apt:
        name: ethtool
        state: present
    - name: Display all interfaces name
      debug:
        var: ansible_facts.interfaces
    - name: Get wifi adapter
      set_fact: 
        wifi_adapter: '{{ item }}'
      loop: '{{ ansible_facts.interfaces }}'
      when: 'item.startswith("enp")'

    - name: Creating a file with content
      become: true
      copy:
        dest: "//etc/systemd/system/wol.service"
        content: |
            [Unit]
            Description=Enable Wake On Lan

            [Service]
            Type=oneshot
            ExecStart = /usr/sbin/ethtool --change {{ wifi_adapter }} wol g

            [Install]
            WantedBy=basic.target
        owner: root
        mode: '0744'

    - name: Restart service wol, in all cases
      ansible.builtin.service:
        name: wol
        state: restarted
        enabled: true