Ansible should wait bootstrap container on first host

Bootstrapping of Keystone/Glance happens on first host
via 'run_once'. After running bootstrap containers we
should wait for them also on the same host. Currently
waiting is done on all hosts what gives task error on
other hosts.

Change-Id: I6eac928d405ea819982118d9b567988074be4ed2
Closes-Bug: #1483224

ansible/roles/glance/tasks/bootstrap.yml

@@ -69,6 +69,7 @@
 # https://github.com/ansible/ansible-modules-core/pull/1031
 - name: Waiting for bootstrap container to exit
   command: docker wait bootstrap_glance
+  run_once: True
   when: database.stdout.find('localhost | SUCCESS => ') != -1 and (database.stdout.split('localhost | SUCCESS => ')[1]|from_json).changed
 
 - name: Cleaning up Glance boostrap container

ansible/roles/keystone/tasks/bootstrap.yml

@@ -58,6 +58,7 @@
 # https://github.com/ansible/ansible-modules-core/pull/1031
 - name: Waiting for Keystone bootstrap container to exit
   command: docker wait bootstrap_keystone
+  run_once: True
   when: database.stdout.find('localhost | SUCCESS => ') != -1 and (database.stdout.split('localhost | SUCCESS => ')[1]|from_json).changed
 
 - name: Cleaning up Keystone boostrap container