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#!/usr/bin/env python
# SPDX-License-Identifier: GPL-2.0+
#
# 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 <ROLLBACK-INTERVAL> [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 is 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)
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