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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 getpass import getuser
from psutil import process_iter
from vyos.configsession import ConfigSession, ConfigSessionError
from vyos.util import read_file
DDCLIENT_CONF = '/etc/ddclient/ddclient.conf'
base_path = ['service', 'dns', 'dynamic']
def get_config_value(key):
tmp = read_file(DDCLIENT_CONF)
tmp = re.findall(r'\n?{}=+(.*)'.format(key), tmp)
tmp = tmp[0].rstrip(',')
return tmp
def check_process():
"""
Check for running process, process name changes dynamically e.g.
"ddclient - sleeping for 270 seconds", thus we need a different approach
"""
running = False
for p in process_iter():
if "ddclient" in p.name():
running = True
return running
class TestServiceDDNS(unittest.TestCase):
def setUp(self):
self.session = ConfigSession(os.getpid())
def tearDown(self):
# Delete DDNS configuration
self.session.delete(base_path)
self.session.commit()
del self.session
def test_service(self):
""" Check individual DDNS service providers """
ddns = ['interface', 'eth0', 'service']
services = ['cloudflare', 'afraid', 'dyndns', 'zoneedit']
for service in services:
user = 'vyos_user'
password = 'vyos_pass'
zone = 'vyos.io'
self.session.delete(base_path)
self.session.set(base_path + ddns + [service, 'host-name', 'test.ddns.vyos.io'])
self.session.set(base_path + ddns + [service, 'login', user])
self.session.set(base_path + ddns + [service, 'password', password])
self.session.set(base_path + ddns + [service, 'zone', zone])
# commit changes
if service == 'cloudflare':
self.session.commit()
else:
# zone option only works on cloudflare, an exception is raised
# for all others
with self.assertRaises(ConfigSessionError):
self.session.commit()
self.session.delete(base_path + ddns + [service, 'zone', 'vyos.io'])
# commit changes again - now it should work
self.session.commit()
# we can only read the configuration file when we operate as 'root'
if getuser() == 'root':
protocol = get_config_value('protocol')
login = get_config_value('login')
pwd = get_config_value('password')
# some services need special treatment
protoname = service
if service == 'cloudflare':
tmp = get_config_value('zone')
self.assertTrue(tmp == zone)
elif service == 'afraid':
protoname = 'freedns'
elif service == 'dyndns':
protoname = 'dyndns2'
elif service == 'zoneedit':
protoname = 'zoneedit1'
self.assertTrue(protocol == protoname)
self.assertTrue(login == user)
self.assertTrue(pwd == "'" + password + "'")
# Check for running process
self.assertTrue(check_process())
def test_rfc2136(self):
""" Check if DDNS service can be configured and runs """
ddns = ['interface', 'eth0', 'rfc2136', 'vyos']
ddns_key_file = '/config/auth/my.key'
self.session.set(base_path + ddns + ['key', ddns_key_file])
self.session.set(base_path + ddns + ['record', 'test.ddns.vyos.io'])
self.session.set(base_path + ddns + ['server', 'ns1.vyos.io'])
self.session.set(base_path + ddns + ['ttl', '300'])
self.session.set(base_path + ddns + ['zone', 'vyos.io'])
# ensure an exception will be raised as no key is present
if os.path.exists(ddns_key_file):
os.unlink(ddns_key_file)
# check validate() - the key file does not exist yet
with self.assertRaises(ConfigSessionError):
self.session.commit()
with open(ddns_key_file, 'w') as f:
f.write('S3cretKey')
# commit changes
self.session.commit()
# TODO: inspect generated configuration file
# Check for running process
self.assertTrue(check_process())
if __name__ == '__main__':
unittest.main()
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