{"parameter_defaults": {"HostnameMap": {"overcloud-controller-0": "np0000071519", "overcloud-controller-1": "np0000071520", "overcloud-controller-2": "np0000071521", "overcloud-novacompute-0": "np0000071522", "overcloud-novacompute-1": "np0000071523", "overcloud-novacompute-2": "np0000071524"}}}