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#!/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 2014 Red Hat, Inc.
#
#
# This example updates a connection's IPv4 method with the Update() method
# using the libnm GObject-based convenience APIs.
#
# Configuration settings are described at
# https://developer.gnome.org/NetworkManager/1.0/ref-settings.html
#
import gi
gi.require_version('NM', '1.0')
from gi.repository import GLib, NM
import sys, socket
if __name__ == "__main__":
# parse and validate arguments
if len(sys.argv) < 3:
print("Usage: %s <uuid> <auto|static> [address prefix gateway]" % sys.argv[0])
sys.exit(1)
method = sys.argv[2]
if (method == "static" or method == "manual") and len(sys.argv) < 5:
print("Usage: %s %s static address prefix [gateway]" % (sys.argv[0], sys.argv[1]))
sys.exit(1)
uuid = sys.argv[1]
# Convert method to NM method
if method == "static":
method = "manual"
main_loop = GLib.MainLoop()
# create Client object
client = NM.Client.new(None)
all_connections = client.get_connections()
for c in all_connections:
if c.get_uuid() != uuid:
continue
# add IPv4 setting if it doesn't yet exist
s_ip4 = c.get_setting_ip4_config()
if not s_ip4:
s_ip4 = NM.SettingIP4Config.new()
c.add_setting(s_ip4)
# set the method and change properties
s_ip4.set_property(NM.SETTING_IP_CONFIG_METHOD, method)
if method == "auto":
# remove addresses and gateway
s_ip4.clear_addresses()
s_ip4.props.gateway = None
elif method == "manual":
# Add the static IP address, prefix, and (optional) gateway
addr = NM.IPAddress.new(socket.AF_INET, sys.argv[3], int(sys.argv[4]))
s_ip4.add_address(addr)
if len(sys.argv) == 6:
s_ip4.props.gateway = sys.argv[5]
try:
c.commit_changes(True, None)
print("The connection profile has been updated.")
except Exception as e:
sys.stderr.write("Error: %s\n" % e)
break
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