Open Stack

I have started playing with openstack-ansible on CentOS7 and trying to
install All-in-one but got this error and not sure what cause that
error how do i troubleshoot it?


TASK [bootstrap-host : Remove an existing private/public ssh keys if
one is missing]
************************************************************************
skipping: [localhost] => (item=id_rsa)
skipping: [localhost] => (item=id_rsa.pub)

TASK [bootstrap-host : Create ssh key pair for root]
********************************************************************************************************
ok: [localhost]

TASK [bootstrap-host : Fetch the generated public ssh key]
**************************************************************************************************
changed: [localhost]

TASK [bootstrap-host : Ensure root's new public ssh key is in
authorized_keys]
******************************************************************************
ok: [localhost]

TASK [bootstrap-host : Create the required deployment directories]
******************************************************************************************
changed: [localhost] => (item=/etc/openstack_deploy)
changed: [localhost] => (item=/etc/openstack_deploy/conf.d)
changed: [localhost] => (item=/etc/openstack_deploy/env.d)

TASK [bootstrap-host : Deploy user conf.d configuration]
****************************************************************************************************
fatal: [localhost]: FAILED! => {"msg": "{{
confd_overrides[bootstrap_host_scenario] }}: 'dict object' has no
attribute u'aio'"}

RUNNING HANDLER [sshd : Reload the SSH service]
*************************************************************************************************************
        to retry, use: --limit @/opt/openstack-ansible/tests/bootstrap-aio.retry

PLAY RECAP **************************************************************************************************************************************************
localhost                  : ok=61   changed=36   unreachable=0    failed=2

[root at aio openstack-ansible]#