1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
|
#!/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 vyos.configsession import ConfigSessionError
from vyos.ifconfig import Interface
from vyos.utils.network import get_bridge_fdb
from vyos.utils.network import get_interface_config
from vyos.utils.network import interface_exists
from vyos.utils.network import get_vxlan_vlan_tunnels
from vyos.template import is_ipv6
from base_interfaces_test import BasicInterfaceTest
class VXLANInterfaceTest(BasicInterfaceTest.TestCase):
@classmethod
def setUpClass(cls):
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'],
'vxlan40': ['vni 40', 'remote 127.0.0.2', 'remote 127.0.0.3'],
'vxlan50': ['vni 50', 'remote 2001:db8:2000::1', 'remote 2001:db8:2000::2', 'parameters ipv6 flowlabel 0x1000'],
}
cls._interfaces = list(cls._options)
# call base-classes classmethod
super(VXLANInterfaceTest, 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', 'df', 'set'])
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)
bridge = get_bridge_fdb(interface)
vni = options['linkinfo']['info_data']['id']
self.assertIn(f'vni {vni}', self._options[interface])
if any('source-interface' in s for s in self._options[interface]):
link = options['linkinfo']['info_data']['link']
self.assertIn(f'source-interface {link}', self._options[interface])
# Verify source-address setting was properly configured on the Kernel
if any('source-address' in s for s in self._options[interface]):
for s in self._options[interface]:
if 'source-address' in s:
address = s.split()[-1]
if is_ipv6(address):
tmp = options['linkinfo']['info_data']['local6']
else:
tmp = options['linkinfo']['info_data']['local']
self.assertIn(f'source-address {tmp}', self._options[interface])
# Verify remote setting was properly configured on the Kernel
if any('remote' in s for s in self._options[interface]):
for s in self._options[interface]:
if 'remote' in s:
for fdb in bridge:
if 'mac' in fdb and fdb['mac'] == '00:00:00:00:00:00':
remote = fdb['dst']
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])
# Both 'VNI' and 'external' can not be specified at the same time.
self.cli_set(self._base_path + [interface, 'vni', '111'])
with self.assertRaises(ConfigSessionError):
self.cli_commit()
self.cli_delete(self._base_path + [interface, 'vni'])
# 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'])
def test_vxlan_vlan_vni_mapping(self):
bridge = 'br0'
interface = 'vxlan0'
source_interface = 'eth0'
vlan_to_vni = {
'10': '10010',
'11': '10011',
'12': '10012',
'13': '10013',
'20': '10020',
'30': '10030',
'31': '10031',
}
self.cli_set(self._base_path + [interface, 'external'])
self.cli_set(self._base_path + [interface, 'source-interface', source_interface])
for vlan, vni in vlan_to_vni.items():
self.cli_set(self._base_path + [interface, 'vlan-to-vni', vlan, 'vni', vni])
# This must fail as this VXLAN interface is not associated with any bridge
with self.assertRaises(ConfigSessionError):
self.cli_commit()
self.cli_set(['interfaces', 'bridge', bridge, 'member', 'interface', interface])
# It is not allowed to use duplicate VNIs
self.cli_set(self._base_path + [interface, 'vlan-to-vni', '11', 'vni', vlan_to_vni['10']])
with self.assertRaises(ConfigSessionError):
self.cli_commit()
# restore VLAN - VNI mappings
for vlan, vni in vlan_to_vni.items():
self.cli_set(self._base_path + [interface, 'vlan-to-vni', vlan, 'vni', vni])
# commit configuration
self.cli_commit()
self.assertTrue(interface_exists(bridge))
self.assertTrue(interface_exists(interface))
tmp = get_interface_config(interface)
self.assertEqual(tmp['master'], bridge)
tmp = get_vxlan_vlan_tunnels('vxlan0')
self.assertEqual(tmp, list(vlan_to_vni))
self.cli_delete(['interfaces', 'bridge', bridge])
if __name__ == '__main__':
unittest.main(verbosity=2)
|
