enabled timing; improved rpi patch handling

playbooks/rpi_patches.yml

@@ -1,10 +1,19 @@
-- hosts: rpi
-  become: yes
-  tasks:
-    - name: Apt Update
-      apt:
-        update_cache: yes
-
-    - name: Apt Upgrade
-      apt:
-        upgrade: safe
+- hosts: rpi
+  become: yes
+  tasks:
+    - name: Apt Update
+      apt:
+        update_cache: yes
+
+    - name: Apt Upgrade
+      apt:
+        upgrade: safe
+
+    - name: Check if reboot required
+      stat:
+        path: /var/run/reboot-required
+      register: reboot_required_file
+
+    - name: Reboot if required
+      reboot:
+      when: reboot_required_file.stat.exists == true