{"parameter_defaults": {"HostnameMap": {"overcloud-controller-0": "np0000071528", "overcloud-controller-1": "np0000071529", "overcloud-controller-2": "np0000071530", "overcloud-novacompute-0": "np0000071531", "overcloud-novacompute-1": "np0000071532", "overcloud-novacompute-2": "np0000071533"}}}