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#!/usr/bin/env python
# -*- Mode: Python; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
# vim: ft=python ts=4 sts=4 sw=4 et ai
#
# 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 2017 Red Hat, Inc.
#
#
# This example updates a connection's stable-id by appending -#number.
import sys
import re
import gi
gi.require_version('NM', '1.0')
from gi.repository import GLib, NM
def usage():
print('Usage: %s [[id] <id>]' % (sys.argv[0]))
print(' %s [[uuid] <uuid>]' % (sys.argv[0]))
return 1
def find_connection(nm_client, arg_type, arg_id):
for c in nm_client.get_connections():
if arg_type in [None, 'id'] and c.get_id() == arg_id:
return c
if arg_type in [None, 'uuid'] and c.get_uuid() == arg_id:
return c
def main():
if len(sys.argv) < 2 or len(sys.argv) > 3:
return usage()
if len(sys.argv) == 3:
arg_type = sys.argv[1]
arg_id = sys.argv[2]
if arg_type not in ['id', 'uuid']:
return usage()
else:
arg_type = None
arg_id = sys.argv[1]
arg_log = '%s"%s"' % ((' with %s ' % (arg_type)) if arg_type else '', arg_id)
main_loop = GLib.MainLoop()
nm_client = NM.Client.new(None)
con = find_connection(nm_client, arg_type, arg_id)
if con is None:
print('could not find a connection %s' % (arg_log))
return 1
s_con = con.get_setting_connection()
if s_con is None:
print('connection %s has no [connection] setting' % (arg_log))
return 1
arg_log = '"%s" (%s)' % (s_con.get_id(), s_con.get_uuid())
stable_id = s_con.get_stable_id()
if not stable_id:
print('connection %s has no stable-id set' % (arg_log))
return 1
re_match = re.search('\A(.*)-([0-9]+)\Z', stable_id)
if not re_match:
stable_id = stable_id + '-1'
else:
stable_id = re_match.group(1) + '-' + str(int(re_match.group(2)) + 1)
con2 = NM.SimpleConnection.new_clone(con)
s_con = con2.get_setting_connection()
s_con.set_property(NM.SETTING_CONNECTION_STABLE_ID, stable_id)
result = {}
def _update2_cb(con, async_result, user_data):
try:
r = con.update2_finish(async_result)
except Exception as e:
result['error'] = e
else:
result['result'] = r
main_loop.quit()
con.update2(con2.to_dbus(NM.ConnectionSerializationFlags.ALL),
NM.SettingsUpdate2Flags.BLOCK_AUTOCONNECT,
None,
None,
_update2_cb,
None)
main_loop.run()
if 'error' in result:
print('update connection %s failed: %s' % (arg_log, result['error']))
return 1
print('update connection %s succeeded: %s' % (arg_log, result['result']))
print('set stable-id to "%s"' % (stable_id))
return 0
if __name__ == '__main__':
sys.exit(main())
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