add pre-play to setup the right group

playbooks/transient-post-provision.yml

@@ -1,5 +1,14 @@
+- name: add to group
+  hosts: lockbox01.phx2.fedoraproject.org
+  user: root
+  gather_facts: False
+
+  tasks:
+  - name: add it to the special group
+    local_action: add_host hostname=$target groupname=tmp_just_created
+
 - name: provision instance
-  hosts: $target
+  hosts: tmp_just_created
   user: root
   gather_facts: True