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#!/usr/bin/env python3
#
# Copyright (C) 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 unittest
import json
from vyos.configsession import ConfigSession
from vyos.configsession import ConfigSessionError
from vyos.util import cmd
from base_interfaces_test import BasicInterfaceTest
mtu = 1500
def erspan_conf(interface):
tmp = cmd(f'ip -d -j link show {interface}')
return json.loads(tmp)[0]
class ERSPanTunnelInterfaceTest(BasicInterfaceTest.BaseTest):
def setUp(self):
super().setUp()
self._base_path = ['interfaces', 'erspan']
self._test_mtu = True
self.local_v4 = '10.1.1.1'
self.local_v6 = '2001:db8::1'
self.remote_v4 = '10.2.2.2'
self.remote_v6 = '2001:db9::1'
def tearDown(self):
self.session.delete(['interfaces', 'erspan'])
super().tearDown()
def test_erspan_ipv4(self):
interface = 'ersp100'
encapsulation = 'erspan'
key = 123
self.session.set(self._base_path + [interface, 'encapsulation', encapsulation])
self.session.set(self._base_path + [interface, 'source-address', self.local_v4])
self.session.set(self._base_path + [interface, 'remote', self.remote_v4])
self.session.set(self._base_path + [interface, 'parameters', 'ip' , 'key', str(key)])
self.session.commit()
conf = erspan_conf(interface)
self.assertEqual(interface, conf['ifname'])
self.assertEqual(encapsulation, conf['linkinfo']['info_kind'])
self.assertEqual(mtu, conf['mtu'])
self.assertEqual(self.local_v4, conf['linkinfo']['info_data']['local'])
self.assertEqual(self.remote_v4, conf['linkinfo']['info_data']['remote'])
def test_erspan_ipv6(self):
interface = 'ersp1000'
encapsulation = 'ip6erspan'
key = 123
self.session.set(self._base_path + [interface, 'encapsulation', encapsulation])
self.session.set(self._base_path + [interface, 'source-address', self.local_v6])
self.session.set(self._base_path + [interface, 'remote', self.remote_v6])
self.session.set(self._base_path + [interface, 'parameters', 'ip' , 'key', str(key)])
self.session.commit()
conf = erspan_conf(interface)
self.assertEqual(interface, conf['ifname'])
self.assertEqual(encapsulation, conf['linkinfo']['info_kind'])
self.assertEqual(mtu, conf['mtu'])
self.assertEqual(self.local_v6, conf['linkinfo']['info_data']['local'])
self.assertEqual(self.remote_v6, conf['linkinfo']['info_data']['remote'])
if __name__ == '__main__':
unittest.main(verbosity=2)
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