Comment 5 for bug 1680006

I get this when trying to deploy using self-generated overcloud images:

  "output_values": {
    "deploy_stdout": "",
    "deploy_stderr": "Legacy hiera hook or data has been detected. Please update all of your interfaces to use the new heat-agents hiera hook before proceeding. See http://lists.openstack.org/pipermail/openstack-dev/2017-January/110922.html or bug 1680006 for more information.",
    "deploy_status_code": 1
  },
  "creation_time": "2017-09-04T22:01:43Z",
  "updated_time": "2017-09-04T22:02:07Z",
  "input_values": {
    "bootstack_nodeid": "overcloud-controller-1",
    "enable_load_balancer": true,
    "enable_package_upgrade": "false"
  },