From 0afc2a0461647196486102a9a732a67b04ca31c5 Mon Sep 17 00:00:00 2001
From: Jose <joseraj@gmail.com>
Date: Fri, 26 Dec 2025 10:36:19 +0100
Subject: [PATCH] =?UTF-8?q?feat=20=E2=9C=A8:=20Add=20new=20handler=20to=20?=
 =?UTF-8?q?reload=20systemd=20and=20restart=20WOL.?=
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This commit introduces a new handler that allows reloading the systemd configuration and restarting the Wake-on-LAN (WOL) service, ensuring persistent wake-up functionality.
---
 handlers/main.yml |  5 ++++
 tasks/main.yml    | 70 ++++++++++++++++++++++-------------------------
 2 files changed, 38 insertions(+), 37 deletions(-)

diff --git a/handlers/main.yml b/handlers/main.yml
index e7515de..863dbaf 100644
--- a/handlers/main.yml
+++ b/handlers/main.yml
@@ -1,4 +1,8 @@
 ---
+- name: Reload systemd
+  ansible.builtin.systemd:
+    daemon_reload: yes
+
 - name: Reload systemd and restart WOL
   ansible.builtin.systemd:
     name: wol
@@ -13,3 +17,4 @@
 - name: Trigger_udev_net
   ansible.builtin.command: udevadm trigger --subsystem-match=net
   changed_when: false
+
diff --git a/tasks/main.yml b/tasks/main.yml
index 8d2116e..603e03f 100644
--- a/tasks/main.yml
+++ b/tasks/main.yml
@@ -74,46 +74,42 @@
     - wol_mode == 'd'
     - wol_mode not in item.1.stdout
 
+# -------------------------
+# 4. Create systemd service for persistence
+# -------------------------
+- name: Create systemd service to persist WoL
+  ansible.builtin.copy:
+    dest: /etc/systemd/system/wol-interfaces.service
+    content: |
+      [Unit]
+      Description=Set Wake-on-LAN on network interfaces
+      After=network.target
+      Wants=network.target
 
-# # ============================================================
-# # Enable WOL immediately (only if needed)
-# # ============================================================
-# - name: Enable Wake-on-LAN immediately on NICs
-#   ansible.builtin.command: "ethtool -s {{ item }} wol {{ wol_mode }}"
-#   register: wol_enable_result
-#   changed_when: true
-#   loop: "{{ wol_needs_enable }}"
-#   loop_control:
-#     label: "{{ item }}"
-#   when: wol_needs_enable | length > 0
+      [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
 
-# # ============================================================
-# # Persist WOL via udev rules (safe and idempotent)
-# # ============================================================
-# - name: Create udev rule content
-#   ansible.builtin.set_fact:
-#     wol_udev_rules: >-
-#       {{
-#         wol_final_interfaces
-#         | map('regex_replace', '^(.+)$', 'ACTION=="add", SUBSYSTEM=="net", KERNEL=="\1", RUN+="/sbin/ethtool -s \1 wol {{ wol_mode }}"')
-#         | list
-#       }}
+      [Install]
+      WantedBy=multi-user.target
+  notify:
+    - Reload systemd
+
+- name: Enable and start WoL service
+  ansible.builtin.systemd:
+    name: wol-interfaces.service
+    enabled: yes
+    state: started
 
-# - name: Create/Update udev rules file
-#   ansible.builtin.copy:
-#     dest: /etc/udev/rules.d/90-wol.rules
-#     owner: root
-#     group: root
-#     mode: "0644"
-#     content: |
-#       # Wake-on-LAN udev rules - Auto-generated by Ansible
-#       # Applies to: {{ wol_final_interfaces | join(', ') }}
-#       {% for rule in wol_udev_rules %}
-#       {{ rule }}
-#       {% endfor %}
-#     notify:
-#       - Reload_udev_rules
-#       - Trigger_udev_net
 
 # # ============================================================
 # # Verification & Reporting