refactor ♻️: Refactor task to use template for creating systemd service.

This commit refactors the existing task to utilize a template for creating systemd services, enhancing modularity and maintainability.

tasks/main.yml

@@ -77,30 +77,13 @@
 # -------------------------
 # 4. Create systemd service for persistence
 # -------------------------
-- name: Create systemd service to persist WoL
-  ansible.builtin.copy:
+- name: Create systemd service from template
+  ansible.builtin.template:
+    src: wol-interfaces.service.j2
     dest: /etc/systemd/system/wol-interfaces.service
-    content: |
-      [Unit]
-      Description=Set Wake-on-LAN on network interfaces
-      After=network.target
-      Wants=network.target
-
-      [Service]
-      Type=oneshot
-      ExecStart=/bin/bash -c '
-      {% for intf, enabled, supported in en_interfaces | zip(wol_enabled.results, wol_supported.results) %}
-      {% if wol_mode in supported.stdout %}
-      {% if wol_mode not in enabled.stdout %}
-      /sbin/ethtool -s {{ intf }} wol {{ wol_mode }};
-      {% endif %}
-      {% endif %}
-      {% endfor %}
-      '
-      RemainAfterExit=yes
-
-      [Install]
-      WantedBy=multi-user.target
+    owner: root
+    group: root
+    mode: '0644'
   notify:
     - Reload systemd