#!/usr/bin/env python # # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 2 of the License, or # (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License along # with this program; if not, write to the Free Software Foundation, Inc., # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. # # Copyright (C) 2016 Red Hat, Inc. # import dbus, sys # This example takes a list of device interface names as a parameter # and tells NetworkManager to create a checkpoint on those devices. It # is then possible to restore or destroy the checkpoint. # Get a proxy for the base NetworkManager object bus = dbus.SystemBus() proxy = bus.get_object("org.freedesktop.NetworkManager", "/org/freedesktop/NetworkManager") manager = dbus.Interface(proxy, "org.freedesktop.NetworkManager") allDevs = manager.GetDevices() def Usage(): print "Usage: %s [INTERFACE]..." % sys.argv[0] sys.exit(1) def GetDevicePath(ifname): for dev in allDevs: dev_proxy = bus.get_object("org.freedesktop.NetworkManager", dev) prop_iface = dbus.Interface(dev_proxy, "org.freedesktop.DBus.Properties") interface = prop_iface.Get("org.freedesktop.NetworkManager.Device", "Interface") if interface == ifname: return dev return if len(sys.argv) < 2: Usage() try: interval = int(sys.argv[1]) except ValueError: Usage() devList = [] for arg in sys.argv[2:]: path = GetDevicePath(arg) if path == None: raise Exception("NetworkManager knows nothing about %s" % arg) else: devList.append(path) checkpoint = manager.CheckpointCreate(devList, interval, 1); # DESTROY_ALL choice = raw_input('Do you want to rollback [y/n]? ').lower() if choice == 'y': print "Rollback checkpoint" results = manager.CheckpointRollback(checkpoint) for d in results: print " - device %s: result %u" % (d, results[d]) else: print "Destroy checkpoint" manager.CheckpointDestroy(checkpoint)