Enable WOL ansible task

ansible/host_vars/gpu-01.lab.alexpires.me.yml

@@ -1,6 +1,8 @@
 hostname: gpu-01.lab.alexpires.me
 ansible_user: "{{ lookup('env', 'ANSIBLE_USER') }}"
 
+network_interface: eno1
+
 # Users
 login_users:
   - username: "{{ ansible_user }}"

ansible/playbook_wol.yml

@@ -0,0 +1,7 @@
+- name: Setup WakeOnLan
+  hosts: wol
+
+  tasks:
+    - name: Setup WakeOnLan
+      ansible.builtin.include_tasks:
+        file: tasks/wol.yml

ansible/tasks/wol.yml

@@ -0,0 +1,41 @@
+- name: Install ethtool
+  become: true
+  ansible.builtin.package:
+    name: ethtool
+    state: present
+
+- name: Enable WOL on the network interface
+  become: true
+  ansible.builtin.command: ethtool -s {{ network_interface }} wol g
+  changed_when: false
+
+- name: Create systemd-networkd WOL config
+  become: true
+  ansible.builtin.copy:
+    dest: "/etc/systemd/network/10-wol.network"
+    content: |
+      [Match]
+      Name={{ network_interface }}
+
+      [Link]
+      WakeOnLan=magic
+    owner: root
+    group: root
+    mode: "0644"
+
+- name: Enable and restart systemd-networkd
+  become: true
+  ansible.builtin.systemd:
+    name: systemd-networkd
+    enabled: true
+    state: restarted
+
+- name: Confirm WOL setting applied
+  become: true
+  ansible.builtin.command: ethtool {{ network_interface }}
+  register: wol_status
+  changed_when: false
+
+- name: Show WOL setting
+  ansible.builtin.debug:
+    var: wol_status.stdout_lines

inventory/hosts

@@ -89,3 +89,6 @@ vh-01.lab.alexpires.me
 
 [nvidia]
 gpu-01.lab.alexpires.me
+
+[wol]
+gpu-01.lab.alexpires.me