Automate creating the udev rules which allow light to work for the video group.

tasks/workstation/linux/software/i3.yml

@@ -81,3 +81,36 @@
 # # sudo udevadm control --reload-rules  ^C
 # # sudo udevadm trigger
 #
+
+- name: Workstation | Linux | Software | i3 | Light | Check Backlights
+  ansible.builtin.find:
+    paths: /sys/class/backlight
+    file_type: any      # Options: file, directory, any
+    patterns: "*"        # Wildcard patterns (e.g., "*.log")
+    recurse: no          # Set to 'yes' for subdirectories
+  register: i3_light_device_check
+
+#- name: Display var _ DELETEME
+#  ansible.builtin.debug:
+#    msg: "{{ i3_light_device_check }}"
+
+- name: Workstation | Linux | Software | i3 | Light | Pull Backlight Name
+  set_fact:
+    i3_light_device_name: "{{ i3_light_device_check.files[0].path | basename }}"
+
+#- name: Display var - DELETEME
+#  ansible.builtin.debug:
+#    msg: "{{ i3_light_device_name }}"
+
+- name: Workstation | Linux | Software | i3 | Light | Create udev Rules
+  ansible.builtin.copy:
+    dest: /etc/udev/rules.d/backlight.rules
+    content: |
+      ACTION=="add", SUBSYSTEM=="backlight", KERNEL=="{{ i3_light_device_name }}", RUN+="/bin/chgrp video /sys/class/backlight/%k/brightness"
+      ACTION=="add", SUBSYSTEM=="backlight", KERNEL=="{{ i3_light_device_name }}", RUN+="/bin/chmod g+w /sys/class/backlight/%k/brightness"
+    owner: root
+    group: root
+    mode: '0644'
+
+#- name: FAIL - DELETEME
+#  meta: end_play