move hostname handling from network role --edited double check after rebase

roles/1-prep/tasks/computed_vars.yml

@@ -47,6 +47,15 @@
   file: path=/tmp/heart-beat.txt
         state=absent
 
+- name: no prior domain name
+  set_fact:
+    iiab_domain: "{{ iiab_domain }}"
+    iiab_hostname: "{{ iiab_hostname }}"
+
+# Now check FQDN
+- include: roles/2-common/tasks/hostname.yml
+  when: not first_run and "iiab_hostname.iiab_domain" != ansible_fqdn
+
 # Put all computed vars here so derive properly from any prior var file
 - name: If the TZ is not set in env, set it to UTC
   set_fact: local_tz='UTC'