Remove defaults for required vars

roles/cleanup/tasks/libvirt.yml

@@ -7,7 +7,7 @@
     - name: Set libvirt image paths
       vars:
         cleanup_libvirt_image_dir_value: >-
-          {{ vm_path if vm_path | length > 0 else '/var/lib/libvirt/images' }}
+          {{ 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: >-
@@ -39,7 +39,7 @@
       changed_when: false
 
     - name: Remove boot ISO device from VM XML (source match)
-      when: boot_iso | length > 0
+      when: boot_iso is defined and boot_iso | length > 0
       community.general.xml:
         xmlstring: "{{ cleanup_libvirt_domain_xml }}"
         xpath: "/domain/devices/disk[contains(source/@file, '{{ boot_iso | basename }}')]"
@@ -47,7 +47,7 @@
       register: cleanup_libvirt_xml_strip_boot_source
 
     - name: Update cleaned VM XML after removing boot ISO source match
-      when: boot_iso | length > 0
+      when: boot_iso is defined and boot_iso | length > 0
       ansible.builtin.set_fact:
         cleanup_libvirt_domain_xml: "{{ cleanup_libvirt_xml_strip_boot_source.xmlstring }}"
       changed_when: false

roles/cleanup/tasks/vmware.yml

@@ -24,7 +24,7 @@
             unit_number: 1
             controller_type: sata
             type: iso
-            iso_path: "{{ rhel_iso if rhel_iso | length > 0 else omit }}"
+            iso_path: "{{ rhel_iso if rhel_iso is defined and rhel_iso | length > 0 else omit }}"
             state: absent
       failed_when: false