- nova_public_ip: {get_param: NovaPublicIP}
- nova_api_host: {get_param: NovaApiHost}
- nova_vnc_proxyclient_address: {get_attr: [NetIpMap, net_ip_map, {get_param: [ServiceNetMap, NovaVncProxyNetwork]}]}
- neutron_local_ip: {get_attr: [NetIpMap, net_ip_map, {get_param: [ServiceNetMap, NeutronTenantNetwork]}]}
- enable_package_install: {get_param: EnablePackageInstall}