Add role to install ethtool (Wake-on-LAN)

6 files changed, 67 insertions, 0 deletions

diff --git a/roles/ethtool/defaults/main.yml b/roles/ethtool/defaults/main.yml
new file mode 100644
index 00000000..61cfd43e
--- /dev/null
+++ b/roles/ethtool/defaults/main.yml
@@ -0,0 +1,2 @@
+---
+ethtool_wol_interface: "eth0"
diff --git a/roles/ethtool/handlers/main.yml b/roles/ethtool/handlers/main.yml
new file mode 100644
index 00000000..3360d709
--- /dev/null
+++ b/roles/ethtool/handlers/main.yml
@@ -0,0 +1,5 @@
+---
+- name: "Reload systemd"
+  become: true
+  ansible.builtin.systemd_service:
+    daemon_reload: true
diff --git a/roles/ethtool/meta/argument_specs.yml b/roles/ethtool/meta/argument_specs.yml
new file mode 100644
index 00000000..8f6ce206
--- /dev/null
+++ b/roles/ethtool/meta/argument_specs.yml
@@ -0,0 +1,8 @@
+---
+argument_specs:
+  main:
+    options:
+      ethtool_wol_interface:
+        type: "str"
+        description: "Network interface to enable Wake-on-LAN on"
+        default: "eth0"
diff --git a/roles/ethtool/meta/main.yml b/roles/ethtool/meta/main.yml
new file mode 100644
index 00000000..de7f32a3
--- /dev/null
+++ b/roles/ethtool/meta/main.yml
@@ -0,0 +1,17 @@
+---
+dependencies: []
+galaxy_info:
+  author: "a14m"
+  description: "Install ethtool and enable Wake-on-LAN via systemd service"
+  license: "MIT"
+  min_ansible_version: "2.18"
+  platforms:
+    - name: "ArchLinux"
+      versions:
+        - "all"
+    - name: "Ubuntu"
+      versions:
+        - "noble"
+    - name: "Debian"
+      versions:
+        - "bookworm"
diff --git a/roles/ethtool/tasks/main.yml b/roles/ethtool/tasks/main.yml
new file mode 100644
index 00000000..9d2dac60
--- /dev/null
+++ b/roles/ethtool/tasks/main.yml
@@ -0,0 +1,24 @@
+---
+- name: "Install ethtool"
+  become: true
+  ansible.builtin.package:
+    name: "ethtool"
+    state: "present"
+
+- name: "Deploy WoL systemd service"
+  become: true
+  ansible.builtin.template:
+    src: "wol.service.j2"
+    dest: "/etc/systemd/system/wol@{{ ethtool_wol_interface }}.service"
+    owner: "root"
+    group: "root"
+    mode: "0644"
+  notify: "Reload systemd"
+
+- name: "Enable WoL service"
+  become: true
+  ansible.builtin.systemd_service:
+    name: "wol@{{ ethtool_wol_interface }}.service"
+    enabled: true
+    state: "started"
+    daemon_reload: true
diff --git a/roles/ethtool/templates/wol.service.j2 b/roles/ethtool/templates/wol.service.j2
new file mode 100644
index 00000000..0d11f2af
--- /dev/null
+++ b/roles/ethtool/templates/wol.service.j2
@@ -0,0 +1,11 @@
+[Unit]
+Description=Enable Wake-on-LAN on {{ ethtool_wol_interface }}
+After=network.target
+
+[Service]
+Type=oneshot
+ExecStart=/usr/sbin/ethtool -s {{ ethtool_wol_interface }} wol g
+RemainAfterExit=yes
+
+[Install]
+WantedBy=multi-user.target