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#!/usr/bin/env python
# SPDX-License-Identifier: GPL-2.0+
#
# Copyright (C) 2015 Red Hat, Inc.
#
#
# This example configures a Bond from ethernet devices and activates it
#
# NetworkManager D-Bus API:
# https://developer.gnome.org/NetworkManager/stable/spec.html
#
import dbus, sys, uuid
from dbus.mainloop.glib import DBusGMainLoop
from gi.repository import GObject
DBusGMainLoop(set_as_default=True)
def add_connection(con):
bus = dbus.SystemBus()
proxy = bus.get_object("org.freedesktop.NetworkManager", "/org/freedesktop/NetworkManager/Settings")
settings = dbus.Interface(proxy, "org.freedesktop.NetworkManager.Settings")
return settings.AddConnection(con)
def create_bond(bond_name):
bond_opts = dbus.Dictionary({'mode': '4'})
s_bond = dbus.Dictionary({'options': bond_opts})
s_con = dbus.Dictionary({
'type': 'bond',
'uuid': str(uuid.uuid4()),
'id': bond_name,
'interface-name': bond_name,
'autoconnect': False,
'autoconnect-slaves': 1})
s_ip4 = dbus.Dictionary({'method': 'auto'})
s_ip6 = dbus.Dictionary({'method': 'ignore'})
con = dbus.Dictionary({
'bond': s_bond,
'connection': s_con,
'ipv4': s_ip4,
'ipv6': s_ip6})
print("Creating bond connection: %s" % bond_name)
return add_connection(con)
def create_slave(device, master):
slave_name = 'bond-' + master + '-slave-' + device
s_wired = dbus.Dictionary({'duplex': 'full'})
s_con = dbus.Dictionary({
'type': '802-3-ethernet',
'uuid': str(uuid.uuid4()),
'id': slave_name,
'interface-name': device,
'autoconnect': False,
'master': master,
'slave-type': 'bond'})
con = dbus.Dictionary({
'802-3-ethernet': s_wired,
'connection': s_con})
print("Creating slave connection: %s" % slave_name)
add_connection(con)
def usage():
print("Usage: %s <bond_name> <ifname1> ..." % sys.argv[0])
sys.exit(0)
if len(sys.argv) < 3:
usage()
# Create bond master and slave connections
bond_name = sys.argv[1]
bond_path = create_bond(bond_name)
for ifname in sys.argv[2:]:
create_slave(ifname, bond_name)
# Activate the bond
bus = dbus.SystemBus()
proxy = bus.get_object("org.freedesktop.NetworkManager", "/org/freedesktop/NetworkManager")
manager = dbus.Interface(proxy, "org.freedesktop.NetworkManager")
ac = manager.ActivateConnection(bond_path, "/", "/")
print("Activating bond: %s (%s)" % (bond_name, ac))
# Monitor the active bond connection
loop = GObject.MainLoop()
def properties_changed(props):
if 'State' in props:
if props['State'] == 2:
print("Successfully connected")
loop.quit()
if props['State'] == 3 or props['State'] == 4:
print("Bond activation failed")
loop.quit()
obj = bus.get_object("org.freedesktop.NetworkManager", ac)
iface = dbus.Interface(obj, "org.freedesktop.NetworkManager.Connection.Active")
iface.connect_to_signal("PropertiesChanged", properties_changed)
loop.run()
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