def upgrade(): rconfig = RunningConfig() pconfig = PersistentConfig() libvirt_networks = libvirtnetwork.networks() _upgrade_volatile_running_config(rconfig) if rconfig.config_exists() or pconfig.config_exists(): _upgrade_unified_configuration(rconfig) _upgrade_unified_configuration(pconfig) else: # In case unified config has not existed before, it is assumed that # the networks existance have been persisted in libvirt db. vdsmnets = libvirt_vdsm_nets(libvirt_networks) _create_unified_configuration(rconfig, NetInfo(netinfo(vdsmnets))) _cleanup_libvirt_networks(libvirt_networks)