Race condition between keystone and glance using ansible deployment

TASK: [glance | Creating the Glance service and endpoint] *********************
failed: [localhost] => {"failed": true, "parsed": false}
No handlers could be found for logger "keystoneclient.auth.identity.generic.base"
Traceback (most recent call last):
  File "/root/.ansible/tmp/ansible-tmp-1438711226.49-40225704548844/kolla_keystone_service", line 1794, in <module>
    main()
  File "/root/.ansible/tmp/ansible-tmp-1438711226.49-40225704548844/kolla_keystone_service", line 78, in main
    module.exit_json(failed=True, changed=True, msg=e)
  File "/root/.ansible/tmp/ansible-tmp-1438711226.49-40225704548844/kolla_keystone_service", line 1325, in exit_json
    print self.jsonify(kwargs)
  File "/root/.ansible/tmp/ansible-tmp-1438711226.49-40225704548844/kolla_keystone_service", line 1303, in jsonify
    return json.dumps(data)
  File "/usr/lib64/python2.7/json/__init__.py", line 243, in dumps
    return _default_encoder.encode(obj)
  File "/usr/lib64/python2.7/json/encoder.py", line 207, in encode
    chunks = self.iterencode(o, _one_shot=True)
  File "/usr/lib64/python2.7/json/encoder.py", line 270, in iterencode
    return _iterencode(o, 0)
  File "/usr/lib64/python2.7/json/encoder.py", line 184, in default
    raise TypeError(repr(o) + " is not JSON serializable")
TypeError: ServiceUnavailable(u'Service Unavailable (HTTP 503)',) is not JSON serializable

FATAL: all hosts have already failed -- aborting

Glance is trying to create an endpoint when Keystone is not completely setup.