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#!/usr/bin/env python3
#
# Copyright (C) 2020-2023 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 unittest
from base_vyostest_shim import VyOSUnitTestSHIM
from configparser import ConfigParser
from vyos.configsession import ConfigSessionError
from vyos.utils.process import process_named_running
from vyos.xml_ref import default_value
base_path = ['service', 'mdns', 'repeater']
intf_base = ['interfaces', 'dummy']
config_file = '/run/avahi-daemon/avahi-daemon.conf'
class TestServiceMDNSrepeater(VyOSUnitTestSHIM.TestCase):
@classmethod
def setUpClass(cls):
super(TestServiceMDNSrepeater, cls).setUpClass()
# ensure we can also run this test on a live system - so lets clean
# out the current configuration :)
cls.cli_delete(cls, base_path)
cls.cli_set(cls, intf_base + ['dum10', 'address', '192.0.2.1/30'])
cls.cli_set(cls, intf_base + ['dum10', 'ipv6', 'address', 'no-default-link-local'])
cls.cli_set(cls, intf_base + ['dum20', 'address', '192.0.2.5/30'])
cls.cli_set(cls, intf_base + ['dum20', 'address', '2001:db8:0:2::5/64'])
cls.cli_set(cls, intf_base + ['dum30', 'address', '192.0.2.9/30'])
cls.cli_set(cls, intf_base + ['dum30', 'address', '2001:db8:0:2::9/64'])
cls.cli_set(cls, intf_base + ['dum40', 'address', '2001:db8:0:2::11/64'])
cls.cli_commit(cls)
@classmethod
def tearDownClass(cls):
cls.cli_delete(cls, intf_base + ['dum10'])
cls.cli_delete(cls, intf_base + ['dum20'])
cls.cli_delete(cls, intf_base + ['dum30'])
cls.cli_delete(cls, intf_base + ['dum40'])
cls.cli_commit(cls)
def tearDown(self):
# Check for running process
self.assertTrue(process_named_running('avahi-daemon'))
self.cli_delete(base_path)
self.cli_commit()
# Check that there is no longer a running process
self.assertFalse(process_named_running('avahi-daemon'))
def test_service_dual_stack(self):
# mDNS browsing domains in addition to the default one (local)
domains = ['dom1.home.arpa', 'dom2.home.arpa']
# mDNS services to be repeated
services = ['_ipp._tcp', '_smb._tcp', '_ssh._tcp']
self.cli_set(base_path + ['ip-version', 'both'])
self.cli_set(base_path + ['interface', 'dum20'])
self.cli_set(base_path + ['interface', 'dum30'])
for domain in domains:
self.cli_set(base_path + ['browse-domain', domain])
for service in services:
self.cli_set(base_path + ['allow-service', service])
self.cli_commit()
# Validate configuration values
conf = ConfigParser(delimiters='=')
conf.read(config_file)
self.assertEqual(conf['server']['use-ipv4'], 'yes')
self.assertEqual(conf['server']['use-ipv6'], 'yes')
self.assertEqual(conf['server']['allow-interfaces'], 'dum20, dum30')
self.assertEqual(conf['server']['browse-domains'], ', '.join(domains))
self.assertEqual(conf['reflector']['enable-reflector'], 'yes')
self.assertEqual(conf['reflector']['reflect-filters'], ', '.join(services))
def test_service_ipv4(self):
# partcipating interfaces should have IPv4 addresses
self.cli_set(base_path + ['ip-version', 'ipv4'])
self.cli_set(base_path + ['interface', 'dum10'])
self.cli_set(base_path + ['interface', 'dum40'])
# exception is raised if partcipating interfaces do not have IPv4 address
with self.assertRaises(ConfigSessionError):
self.cli_commit()
self.cli_delete(base_path + ['interface', 'dum40'])
self.cli_set(base_path + ['interface', 'dum20'])
self.cli_commit()
# Validate configuration values
conf = ConfigParser(delimiters='=')
conf.read(config_file)
self.assertEqual(conf['server']['use-ipv4'], 'yes')
self.assertEqual(conf['server']['use-ipv6'], 'no')
self.assertEqual(conf['server']['allow-interfaces'], 'dum10, dum20')
self.assertEqual(conf['reflector']['enable-reflector'], 'yes')
def test_service_ipv6(self):
# partcipating interfaces should have IPv6 addresses
self.cli_set(base_path + ['ip-version', 'ipv6'])
self.cli_set(base_path + ['interface', 'dum10'])
self.cli_set(base_path + ['interface', 'dum30'])
# exception is raised if partcipating interfaces do not have IPv4 address
with self.assertRaises(ConfigSessionError):
self.cli_commit()
self.cli_delete(base_path + ['interface', 'dum10'])
self.cli_set(base_path + ['interface', 'dum40'])
self.cli_commit()
# Validate configuration values
conf = ConfigParser(delimiters='=')
conf.read(config_file)
self.assertEqual(conf['server']['use-ipv4'], 'no')
self.assertEqual(conf['server']['use-ipv6'], 'yes')
self.assertEqual(conf['server']['allow-interfaces'], 'dum30, dum40')
self.assertEqual(conf['reflector']['enable-reflector'], 'yes')
def test_service_max_cache_entries(self):
cli_default_max_cache = default_value(base_path + ['cache-entries'])
self.cli_set(base_path)
# Need at least two interfaces
with self.assertRaises(ConfigSessionError):
self.cli_commit()
self.cli_set(base_path + ['interface', 'dum20'])
# Need at least two interfaces
with self.assertRaises(ConfigSessionError):
self.cli_commit()
self.cli_set(base_path + ['interface', 'dum30'])
self.cli_commit()
# Validate configuration values
conf = ConfigParser(delimiters='=')
conf.read(config_file)
self.assertEqual(conf['server']['cache-entries-max'], cli_default_max_cache)
# Set max cache entries
cache_entries = '1234'
self.cli_set(base_path + ['cache-entries', cache_entries])
self.cli_commit()
# Validate configuration values
conf = ConfigParser(delimiters='=')
conf.read(config_file)
self.assertEqual(conf['server']['cache-entries-max'], cache_entries)
if __name__ == '__main__':
unittest.main(verbosity=2)
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