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#!/usr/bin/env python3
#
# Copyright (C) 2019-2020 VyOS maintainers and contributors
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 or later as
# published by the Free Software Foundation.
#
# 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, see <http://www.gnu.org/licenses/>.
import re
import os
import unittest
from ipaddress import ip_network
from psutil import process_iter
from vyos.configsession import ConfigSession, ConfigSessionError
from vyos.util import read_file
NTP_CONF = '/etc/ntp.conf'
base_path = ['system', 'ntp']
def get_config_value(key):
tmp = read_file(NTP_CONF)
tmp = re.findall(r'\n?{}\s+(.*)'.format(key), tmp)
return tmp
class TestSystemNTP(unittest.TestCase):
def setUp(self):
self.session = ConfigSession(os.getpid())
# ensure we can also run this test on a live system - so lets clean
# out the current configuration :)
self.session.delete(base_path)
def tearDown(self):
self.session.delete(base_path)
self.session.commit()
del self.session
def test_ntp_options(self):
""" Test basic NTP support with multiple servers and their options """
servers = ['192.0.2.1', '192.0.2.2']
options = ['noselect', 'preempt', 'prefer']
for server in servers:
for option in options:
self.session.set(base_path + ['server', server, option])
# commit changes
self.session.commit()
# Check generated configuration
tmp = get_config_value('server')
for server in servers:
test = f'{server} iburst ' + ' '.join(options)
self.assertTrue(test in tmp)
# Check for running process
self.assertTrue("ntpd" in (p.name() for p in process_iter()))
def test_ntp_clients(self):
""" Test the allowed-networks statement """
listen_address = ['127.0.0.1', '::1']
for listen in listen_address:
self.session.set(base_path + ['listen-address', listen])
networks = ['192.0.2.0/24', '2001:db8:1000::/64']
for network in networks:
self.session.set(base_path + ['allow-clients', 'address', network])
# Verify "NTP server not configured" verify() statement
with self.assertRaises(ConfigSessionError):
self.session.commit()
servers = ['192.0.2.1', '192.0.2.2']
for server in servers:
self.session.set(base_path + ['server', server])
self.session.commit()
# Check generated client address configuration
for network in networks:
network_address = ip_network(network).network_address
network_netmask = ip_network(network).netmask
tmp = get_config_value(f'restrict {network_address}')[0]
test = f'mask {network_netmask} nomodify notrap nopeer'
self.assertTrue(tmp in test)
# Check listen address
tmp = get_config_value('interface')
test = ['ignore wildcard']
for listen in listen_address:
test.append(f'listen {listen}')
self.assertEqual(tmp, test)
# Check for running process
self.assertTrue("ntpd" in (p.name() for p in process_iter()))
if __name__ == '__main__':
unittest.main()
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