1ab616b59c
Add a timeout parameter and allow passing multiple interfaces to make the script more useful for testing purposes.
76 lines
2.5 KiB
Python
Executable File
76 lines
2.5 KiB
Python
Executable File
#!/usr/bin/env python
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# -*- Mode: python; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License along
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# with this program; if not, write to the Free Software Foundation, Inc.,
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# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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#
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# Copyright (C) 2016 Red Hat, Inc.
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#
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import dbus, sys
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# This example takes a list of device interface names as a parameter
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# and tells NetworkManager to create a checkpoint on those devices. It
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# is then possible to restore or destroy the checkpoint.
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# Get a proxy for the base NetworkManager object
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bus = dbus.SystemBus()
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proxy = bus.get_object("org.freedesktop.NetworkManager", "/org/freedesktop/NetworkManager")
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manager = dbus.Interface(proxy, "org.freedesktop.NetworkManager")
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allDevs = manager.GetDevices()
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def Usage():
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print "Usage: %s <ROLLBACK-INTERVAL> [INTERFACE]..." % sys.argv[0]
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sys.exit(1)
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def GetDevicePath(ifname):
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for dev in allDevs:
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dev_proxy = bus.get_object("org.freedesktop.NetworkManager", dev)
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prop_iface = dbus.Interface(dev_proxy, "org.freedesktop.DBus.Properties")
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interface = prop_iface.Get("org.freedesktop.NetworkManager.Device", "Interface")
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if interface == ifname:
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return dev
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return
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if len(sys.argv) < 2:
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Usage()
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try:
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interval = int(sys.argv[1])
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except ValueError:
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Usage()
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devList = []
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for arg in sys.argv[2:]:
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path = GetDevicePath(arg)
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if path == None:
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raise Exception("NetworkManager knows nothing about %s" % arg)
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else:
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devList.append(path)
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checkpoint = manager.CheckpointCreate(devList,
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interval,
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1); # DESTROY_ALL
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choice = raw_input('Do you want to rollback [y/n]? ').lower()
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if choice == 'y':
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print "Rollback checkpoint"
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results = manager.CheckpointRollback(checkpoint)
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for d in results:
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print " - device %s: result %u" % (d, results[d])
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else:
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print "Destroy checkpoint"
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manager.CheckpointDestroy(checkpoint)
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