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#!/usr/bin/env python3
#
# Copyright VyOS maintainers and contributors <maintainers@vyos.io>
#
# 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 vyos.utils.system import sysctl_read
from vyos.utils.process import cmd
base_path = ['protocols', 'static', 'neighbor-proxy']
interface = 'eth0'
class TestProtocolsStaticNeighborProxy(VyOSUnitTestSHIM.TestCase):
@classmethod
def setUpClass(cls):
super(TestProtocolsStaticNeighborProxy, cls).setUpClass()
cls.cli_delete(cls, base_path)
def tearDown(self):
self.cli_delete(base_path)
self.cli_commit()
super().tearDown()
def test_arp_proxy(self):
address = '192.0.2.1/24'
neighbor = '192.0.2.10'
self.cli_set(['interfaces', 'ethernet', interface, 'address', address])
self.cli_set(base_path + ['arp', neighbor, 'interface', interface])
self.cli_commit()
proxy_entries = cmd('ip -4 neigh show proxy')
self.assertIn(f'{neighbor} dev {interface} proxy', proxy_entries)
self.cli_delete(['interfaces', 'ethernet', interface, 'address', address])
def test_nd_proxy(self):
address = 'fd00::1/64'
neighbor = 'fd00::99'
interface2 = 'eth1'
self.cli_set(['interfaces', 'ethernet', interface, 'address', address])
# Add ND proxy on two interfaces
self.cli_set(base_path + ['nd', neighbor, 'interface', interface])
self.cli_set(base_path + ['nd', neighbor, 'interface', interface2])
self.cli_commit()
# Verify proxy entries are installed
proxy_entries = cmd('ip -6 neigh show proxy')
for iface in [interface, interface2]:
self.assertIn(f'{neighbor} dev {iface} proxy', proxy_entries)
# Verify proxy_ndp sysctl is enabled on both interfaces
self.assertEqual(
sysctl_read(['net', 'ipv6', 'conf', iface, 'proxy_ndp']), '1'
)
# Remove one interface
self.cli_delete(base_path + ['nd', neighbor, 'interface', interface2])
self.cli_commit()
# First interface still enabled
self.assertEqual(
sysctl_read(['net', 'ipv6', 'conf', interface, 'proxy_ndp']), '1'
)
# Removed interface disabled
self.assertEqual(
sysctl_read(['net', 'ipv6', 'conf', interface2, 'proxy_ndp']), '0'
)
self.cli_delete(['interfaces', 'ethernet', interface, 'address', address])
if __name__ == '__main__':
unittest.main(verbosity=2, failfast=VyOSUnitTestSHIM.TestCase.debug_on())
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