initial changes and cleanup prior to service management code

bigboot_rear_backup.yml

@@ -1,8 +1,18 @@
 ---
-- name: Perform a ReaR backup if any disk modifications are to be made
-  ansible.builtin.import_playbook: rhc.rear.rear_backup
-  when:
-    - bigboot_execute_bigboot | bool
-    - not bigboot_skip_rear_backup | bool
+- name: Perform a ReaR backup
+  hosts: all
+  become: true
+  gather_facts: true
+  strategy: free
+
+  vars_files:
+    - bigboot_vars.yml
+
+  tasks:
+    - name: Perform a ReaR backup if any disk modifications are to be made
+      ansible.builtin.import_playbook: rhc.rear.rear_backup
+      when:
+        - bigboot_execute_bigboot | bool
+        - not bigboot_skip_rear_backup | bool
 
 ...