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#!/usr/bin/env python3
#
# Copyright (C) 2020-2021 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 vyos.configsession import ConfigSessionError
from vyos.ifconfig import Interface
from vyos.util import get_interface_config
from base_interfaces_test import BasicInterfaceTest
class VXLANInterfaceTest(BasicInterfaceTest.TestCase):
@classmethod
def setUpClass(cls):
cls._test_ip = True
cls._test_ipv6 = True
cls._test_mtu = True
cls._base_path = ['interfaces', 'vxlan']
cls._options = {
'vxlan10': ['vni 10', 'remote 127.0.0.2'],
'vxlan20': ['vni 20', 'group 239.1.1.1', 'source-interface eth0'],
'vxlan30': ['vni 30', 'remote 2001:db8:2000::1', 'source-address 2001:db8:1000::1', 'parameters ipv6 flowlabel 0x1000'],
}
cls._interfaces = list(cls._options)
# call base-classes classmethod
super(cls, cls).setUpClass()
def test_vxlan_parameters(self):
tos = '40'
ttl = 20
for intf in self._interfaces:
for option in self._options.get(intf, []):
self.cli_set(self._base_path + [intf] + option.split())
self.cli_set(self._base_path + [intf, 'parameters', 'ip', 'dont-fragment'])
self.cli_set(self._base_path + [intf, 'parameters', 'ip', 'tos', tos])
self.cli_set(self._base_path + [intf, 'parameters', 'ip', 'ttl', str(ttl)])
ttl += 10
self.cli_commit()
ttl = 20
for interface in self._interfaces:
options = get_interface_config(interface)
vni = options['linkinfo']['info_data']['id']
self.assertIn(f'vni {vni}', self._options[interface])
if any('link' in s for s in self._options[interface]):
link = options['linkinfo']['info_data']['link']
self.assertIn(f'source-interface {link}', self._options[interface])
if any('local6' in s for s in self._options[interface]):
remote = options['linkinfo']['info_data']['local6']
self.assertIn(f'source-address {local6}', self._options[interface])
if any('remote6' in s for s in self._options[interface]):
remote = options['linkinfo']['info_data']['remote6']
self.assertIn(f'remote {remote}', self._options[interface])
if any('group' in s for s in self._options[interface]):
group = options['linkinfo']['info_data']['group']
self.assertIn(f'group {group}', self._options[interface])
if any('flowlabel' in s for s in self._options[interface]):
label = options['linkinfo']['info_data']['label']
self.assertIn(f'parameters ipv6 flowlabel {label}', self._options[interface])
if any('external' in s for s in self._options[interface]):
self.assertTrue(options['linkinfo']['info_data']['external'])
self.assertEqual('vxlan', options['linkinfo']['info_kind'])
self.assertEqual('set', options['linkinfo']['info_data']['df'])
self.assertEqual(f'0x{tos}', options['linkinfo']['info_data']['tos'])
self.assertEqual(ttl, options['linkinfo']['info_data']['ttl'])
self.assertEqual(Interface(interface).get_admin_state(), 'up')
ttl += 10
def test_vxlan_external(self):
interface = 'vxlan0'
source_address = '192.0.2.1'
self.cli_set(self._base_path + [interface, 'external'])
self.cli_set(self._base_path + [interface, 'source-address', source_address])
# Now add some more interfaces - this must fail and a CLI error needs
# to be generated as Linux can only handle one VXLAN tunnel when using
# external mode.
for intf in self._interfaces:
for option in self._options.get(intf, []):
self.cli_set(self._base_path + [intf] + option.split())
with self.assertRaises(ConfigSessionError):
self.cli_commit()
# Remove those test interfaces again
for intf in self._interfaces:
self.cli_delete(self._base_path + [intf])
self.cli_commit()
options = get_interface_config(interface)
self.assertTrue(options['linkinfo']['info_data']['external'])
self.assertEqual('vxlan', options['linkinfo']['info_kind'])
if __name__ == '__main__':
unittest.main(verbosity=2)
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