making cloud-init check a pre_task

playbooks/edx-east/edx_provision.yml

@@ -20,6 +20,12 @@
   hosts: launched
   sudo: True
   gather_facts: False
+  pre_tasks:
+    - name: Wait for cloud-init to finish
+      wait_for: >
+        path=/var/log/cloud-init.log
+        timeout=15
+        search_string=final-message
   roles:
     # rerun common to set the hostname
     - common

playbooks/roles/launch_ec2/tasks/main.yml

@@ -91,9 +91,4 @@
       timeout=320
   with_items: "{{ ec2.instances }}"
 
-- name: launch_ec2 | Wait for cloud-init to finish
-  wait_for: >
-    path=/var/log/cloud-init.log
-    timeout=15
-    search_string=final-message
-  delegate_to: "{{ item.public_dns_name }}"
+