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test_system_resolvconf.py
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test_system_resolvconf.py
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#!/usr/bin/env python3
#
# Copyright (C) 2019-2023 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 re
import unittest
from base_vyostest_shim import VyOSUnitTestSHIM
from vyos.utils.file import read_file
RESOLV_CONF = '/etc/resolv.conf'
name_servers = ['192.0.2.10', '2001:db8:1::100']
domain_name = 'vyos.net'
domain_search = ['vyos.net', 'vyos.io']
base_path_nameserver = ['system', 'name-server']
base_path_domainname = ['system', 'domain-name']
base_path_domainsearch = ['system', 'domain-search']
def get_name_servers():
resolv_conf = read_file(RESOLV_CONF)
return re.findall(r'\n?nameserver\s+(.*)', resolv_conf)
def get_domain_name():
resolv_conf = read_file(RESOLV_CONF)
res = re.findall(r'\n?domain\s+(.*)', resolv_conf)
return res[0] if res else None
def get_domain_searches():
resolv_conf = read_file(RESOLV_CONF)
res = re.findall(r'\n?search\s+(.*)', resolv_conf)
return res[0].split() if res else []
class TestSystemResolvConf(VyOSUnitTestSHIM.TestCase):
@classmethod
def setUpClass(cls):
super(TestSystemResolvConf, cls).setUpClass()
# Clear out current configuration to allow running this test on a live system
cls.cli_delete(cls, base_path_nameserver)
cls.cli_delete(cls, base_path_domainname)
cls.cli_delete(cls, base_path_domainsearch)
def tearDown(self):
# Delete test entries servers
self.cli_delete(base_path_nameserver)
self.cli_delete(base_path_domainname)
self.cli_delete(base_path_domainsearch)
self.cli_commit()
def test_nameserver(self):
# Check if server is added to resolv.conf
for s in name_servers:
self.cli_set(base_path_nameserver + [s])
self.cli_commit()
for s in get_name_servers():
self.assertTrue(s in name_servers)
# Test if a deleted server disappears from resolv.conf
for s in name_servers:
self.cli_delete(base_path_nameserver + [s])
self.cli_commit()
for s in get_name_servers():
self.assertTrue(s not in name_servers)
def test_domainname(self):
# Check if domain-name is added to resolv.conf
self.cli_set(base_path_domainname + [domain_name])
self.cli_commit()
self.assertEqual(get_domain_name(), domain_name)
# Test if domain-name disappears from resolv.conf
self.cli_delete(base_path_domainname + [domain_name])
self.cli_commit()
self.assertTrue(get_domain_name() is None)
def test_domainsearch(self):
# Check if domain-search is added to resolv.conf
for s in domain_search:
self.cli_set(base_path_domainsearch + [s])
self.cli_commit()
for s in get_domain_searches():
self.assertTrue(s in domain_search)
# Test if domain-search disappears from resolv.conf
for s in domain_search:
self.cli_delete(base_path_domainsearch + [s])
self.cli_commit()
for s in get_domain_searches():
self.assertTrue(s not in domain_search)
if __name__ == '__main__':
unittest.main(verbosity=2)

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