Move derived vars into role defaults

roles/cleanup/defaults/main.yml

@@ -0,0 +1,5 @@
+---
+cleanup_libvirt_image_dir: >-
+  {{ vm_path if vm_path is defined and vm_path | length > 0 else '/var/lib/libvirt/images' }}
+cleanup_libvirt_cloudinit_path: >-
+  {{ [cleanup_libvirt_image_dir, hostname ~ '-cloudinit.iso'] | ansible.builtin.path_join }}

roles/cleanup/tasks/libvirt.yml

@@ -4,16 +4,6 @@
   delegate_to: localhost
   become: false
   block:
-    - name: Set libvirt image paths
-      vars:
-        cleanup_libvirt_image_dir_value: >-
-          {{ vm_path if vm_path is defined and vm_path | length > 0 else '/var/lib/libvirt/images' }}
-      ansible.builtin.set_fact:
-        cleanup_libvirt_image_dir: "{{ cleanup_libvirt_image_dir_value }}"
-        cleanup_libvirt_cloudinit_path: >-
-          {{ [cleanup_libvirt_image_dir_value, hostname ~ '-cloudinit.iso'] | ansible.builtin.path_join }}
-      changed_when: false
-
     - name: Read current VM XML definition
       community.libvirt.virt:
         command: get_xml