Reduce loop list length;Test vApp properties

ansible/roles/firstboot/files/ansible_payload/upgrade/roles/preflight/tasks/main.yml

@@ -1,2 +1,3 @@
+- import_tasks: vapp.yml
 - import_tasks: vcenter.yml
 - import_tasks: metacluster.yml

ansible/roles/firstboot/files/ansible_payload/upgrade/roles/preflight/tasks/vapp.yml

@@ -0,0 +1,19 @@
+- name: Check for expected vApp properties
+  ansible.builtin.assert:
+    that:
+      - vapp[item] is defined
+      - (vapp[item] | length) > 0
+  loop:
+    - guestinfo.dnsserver
+    - guestinfo.gateway
+    - guestinfo.hostname
+    - guestinfo.ipaddress
+    - guestinfo.prefixlength
+    - guestinfo.rootsshkey
+    - hv.fqdn
+    - hv.password
+    - hv.username
+    - metacluster.fqdn
+    - metacluster.password
+    - metacluster.token
+    - metacluster.vip