ref(playbook): Change to role-based structure

roles/power/tasks/main.yaml

@@ -0,0 +1,20 @@
+---
+- name: Ensure user group "power" exists
+  ansible.builtin.group:
+    name: power
+    state: present
+
+- name: Put user in power group
+  ansible.builtin.user:
+    name: "{{ user_name }}"
+    groups: [power]
+    append: true
+
+- name: Enable power management for power group
+  ansible.builtin.copy:
+    content: "%power ALL=(ALL) NOPASSWD: /usr/bin/halt, /usr/bin/poweroff, /usr/bin/reboot, /usr/bin/shutdown, /usr/bin/zzz, /usr/bin/ZZZ"
+    dest: "/etc/sudoers.d/20-power"
+    owner: root
+    group: root
+    mode: 0644
+    force: true