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
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
|
#!/usr/bin/env python3
#
# Copyright (C) 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 os
import unittest
from vyos.configsession import ConfigSession
from vyos.configsession import ConfigSessionError
from vyos.util import cmd
from vyos.util import process_named_running
PROCESS_NAME = 'bgpd'
ASN = '64512'
base_path = ['protocols', 'bgp', ASN]
neighbor_config = {
'192.0.2.1' : {
'cap_dynamic' : '',
'cap_ext_next': '',
'remote_as' : '100',
'adv_interv' : '400',
'passive' : '',
'password' : 'VyOS-Secure123',
'shutdown' : '',
'cap_over' : '',
'ttl_security': '5',
'local_as' : '300',
},
'192.0.2.2' : {
'remote_as' : '200',
'shutdown' : '',
'no_cap_nego' : '',
'port' : '667',
'cap_strict' : '',
},
'192.0.2.3' : {
# XXX: not available in current Perl backend
# 'description' : 'foo bar baz',
'remote_as' : '200',
'passive' : '',
'multi_hop' : '5',
'update_src' : 'lo',
},
}
peer_group_config = {
'foo' : {
'remote_as' : '100',
'passive' : '',
'password' : 'VyOS-Secure123',
'shutdown' : '',
'cap_over' : '',
# XXX: not available in current Perl backend
# 'ttl_security': '5',
},
'bar' : {
# XXX: not available in current Perl backend
# 'description' : 'foo peer bar group',
'remote_as' : '200',
'shutdown' : '',
'no_cap_nego' : '',
'local_as' : '300',
},
'baz' : {
'cap_dynamic' : '',
'cap_ext_next': '',
'remote_as' : '200',
'passive' : '',
'multi_hop' : '5',
'update_src' : 'lo',
},
}
def getFRRBGPconfig():
return cmd(f'vtysh -c "show run" | sed -n "/router bgp {ASN}/,/^!/p"')
class TestProtocolsBGP(unittest.TestCase):
def setUp(self):
self.session = ConfigSession(os.getpid())
def tearDown(self):
self.session.delete(base_path)
self.session.commit()
del self.session
def verify_frr_config(self, peer, peer_config, frrconfig):
# recurring patterns to verify for both a simple neighbor and a peer-group
if 'cap_dynamic' in peer_config:
self.assertIn(f' neighbor {peer} capability dynamic', frrconfig)
if 'cap_ext_next' in peer_config:
self.assertIn(f' neighbor {peer} capability extended-nexthop', frrconfig)
if 'description' in peer_config:
self.assertIn(f' neighbor {peer} description {peer_config["description"]}', frrconfig)
if 'no_cap_nego' in peer_config:
self.assertIn(f' neighbor {peer} dont-capability-negotiate', frrconfig)
if 'multi_hop' in peer_config:
self.assertIn(f' neighbor {peer} ebgp-multihop {peer_config["multi_hop"]}', frrconfig)
if 'local_as' in peer_config:
self.assertIn(f' neighbor {peer} local-as {peer_config["local_as"]}', frrconfig)
if 'cap_over' in peer_config:
self.assertIn(f' neighbor {peer} override-capability', frrconfig)
if 'passive' in peer_config:
self.assertIn(f' neighbor {peer} passive', frrconfig)
if 'password' in peer_config:
self.assertIn(f' neighbor {peer} password {peer_config["password"]}', frrconfig)
if 'remote_as' in peer_config:
self.assertIn(f' neighbor {peer} remote-as {peer_config["remote_as"]}', frrconfig)
if 'shutdown' in peer_config:
self.assertIn(f' neighbor {peer} shutdown', frrconfig)
if 'ttl_security' in peer_config:
self.assertIn(f' neighbor {peer} ttl-security hops {peer_config["ttl_security"]}', frrconfig)
if 'update_src' in peer_config:
self.assertIn(f' neighbor {peer} update-source {peer_config["update_src"]}', frrconfig)
def test_bgp_01_simple(self):
router_id = '127.0.0.1'
local_pref = '500'
self.session.set(base_path + ['parameters', 'router-id', router_id])
self.session.set(base_path + ['parameters', 'log-neighbor-changes'])
# Default local preference (higher=more preferred)
self.session.set(base_path + ['parameters', 'default', 'local-pref', local_pref])
# Deactivate IPv4 unicast for a peer by default
self.session.set(base_path + ['parameters', 'default', 'no-ipv4-unicast'])
# commit changes
self.session.commit()
# Verify FRR bgpd configuration
frrconfig = getFRRBGPconfig()
self.assertIn(f'router bgp {ASN}', frrconfig)
self.assertIn(f' bgp router-id {router_id}', frrconfig)
self.assertIn(f' bgp log-neighbor-changes', frrconfig)
self.assertIn(f' bgp default local-preference {local_pref}', frrconfig)
self.assertIn(f' no bgp default ipv4-unicast', frrconfig)
# Check for running process
self.assertTrue(process_named_running(PROCESS_NAME))
def test_bgp_02_neighbors(self):
# Test out individual neighbor configuration items, not all of them are
# also available to a peer-group!
for neighbor, config in neighbor_config.items():
if 'adv_interv' in config:
self.session.set(base_path + ['neighbor', neighbor, 'advertisement-interval', config["adv_interv"]])
if 'cap_dynamic' in config:
self.session.set(base_path + ['neighbor', neighbor, 'capability', 'dynamic'])
if 'cap_ext_next' in config:
self.session.set(base_path + ['neighbor', neighbor, 'capability', 'extended-nexthop'])
if 'description' in config:
self.session.set(base_path + ['neighbor', neighbor, 'description', config["description"]])
if 'no_cap_nego' in config:
self.session.set(base_path + ['neighbor', neighbor, 'disable-capability-negotiation'])
if 'multi_hop' in config:
self.session.set(base_path + ['neighbor', neighbor, 'ebgp-multihop', config["multi_hop"]])
if 'local_as' in config:
self.session.set(base_path + ['neighbor', neighbor, 'local-as', config["local_as"]])
if 'cap_over' in config:
self.session.set(base_path + ['neighbor', neighbor, 'override-capability'])
if 'passive' in config:
self.session.set(base_path + ['neighbor', neighbor, 'passive'])
if 'password' in config:
self.session.set(base_path + ['neighbor', neighbor, 'password', config["password"]])
if 'port' in config:
self.session.set(base_path + ['neighbor', neighbor, 'port', config["port"]])
if 'remote_as' in config:
self.session.set(base_path + ['neighbor', neighbor, 'remote-as', config["remote_as"]])
if 'cap_strict' in config:
self.session.set(base_path + ['neighbor', neighbor, 'strict-capability-match'])
if 'shutdown' in config:
self.session.set(base_path + ['neighbor', neighbor, 'shutdown'])
if 'ttl_security' in config:
self.session.set(base_path + ['neighbor', neighbor, 'ttl-security', 'hops', config["ttl_security"]])
if 'update_src' in config:
self.session.set(base_path + ['neighbor', neighbor, 'update-source', config["update_src"]])
# commit changes
self.session.commit()
# Verify FRR bgpd configuration
frrconfig = getFRRBGPconfig()
self.assertIn(f'router bgp {ASN}', frrconfig)
for peer, peer_config in neighbor_config.items():
if 'adv_interv' in config:
self.assertIn(f' neighbor {peer} advertisement-interval {peer_config["adv_interv"]}', frrconfig)
if 'port' in config:
self.assertIn(f' neighbor {peer} port {peer_config["port"]}', frrconfig)
if 'cap_strict' in config:
self.assertIn(f' neighbor {peer} strict-capability-match', frrconfig)
self.verify_frr_config(peer, peer_config, frrconfig)
def test_bgp_03_peer_groups(self):
# Test out individual peer-group configuration items
for peer_group, config in peer_group_config.items():
if 'cap_dynamic' in config:
self.session.set(base_path + ['peer-group', peer_group, 'capability', 'dynamic'])
if 'cap_ext_next' in config:
self.session.set(base_path + ['peer-group', peer_group, 'capability', 'extended-nexthop'])
if 'description' in config:
self.session.set(base_path + ['peer-group', peer_group, 'description', config["description"]])
if 'no_cap_nego' in config:
self.session.set(base_path + ['peer-group', peer_group, 'disable-capability-negotiation'])
if 'multi_hop' in config:
self.session.set(base_path + ['peer-group', peer_group, 'ebgp-multihop', config["multi_hop"]])
if 'local_as' in config:
self.session.set(base_path + ['peer-group', peer_group, 'local-as', config["local_as"]])
if 'cap_over' in config:
self.session.set(base_path + ['peer-group', peer_group, 'override-capability'])
if 'passive' in config:
self.session.set(base_path + ['peer-group', peer_group, 'passive'])
if 'password' in config:
self.session.set(base_path + ['peer-group', peer_group, 'password', config["password"]])
if 'remote_as' in config:
self.session.set(base_path + ['peer-group', peer_group, 'remote-as', config["remote_as"]])
if 'shutdown' in config:
self.session.set(base_path + ['peer-group', peer_group, 'shutdown'])
if 'ttl_security' in config:
self.session.set(base_path + ['peer-group', peer_group, 'ttl-security', 'hops', config["ttl_security"]])
if 'update_src' in config:
self.session.set(base_path + ['peer-group', peer_group, 'update-source', config["update_src"]])
# commit changes
self.session.commit()
# Verify FRR bgpd configuration
frrconfig = getFRRBGPconfig()
self.assertIn(f'router bgp {ASN}', frrconfig)
for peer, peer_config in peer_group_config.items():
self.assertIn(f' neighbor {peer_group} peer-group', frrconfig)
self.verify_frr_config(peer, peer_config, frrconfig)
def test_bgp_04_afi_ipv4(self):
networks = {
'10.0.0.0/8' : {
'as_set' : '',
},
'100.64.0.0/10' : {
'as_set' : '',
},
'192.168.0.0/16' : {
'summary_only' : '',
},
}
# We want to redistribute ...
redistributes = ['connected', 'kernel', 'ospf', 'rip', 'static']
for redistribute in redistributes:
self.session.set(base_path + ['address-family', 'ipv4-unicast',
'redistribute', redistribute])
for network, network_config in networks.items():
self.session.set(base_path + ['address-family', 'ipv4-unicast',
'network', network])
if 'as_set' in network_config:
self.session.set(base_path + ['address-family', 'ipv4-unicast',
'aggregate-address', network, 'as-set'])
if 'summary_only' in network_config:
self.session.set(base_path + ['address-family', 'ipv4-unicast',
'aggregate-address', network, 'summary-only'])
# commit changes
self.session.commit()
# Verify FRR bgpd configuration
frrconfig = getFRRBGPconfig()
self.assertIn(f'router bgp {ASN}', frrconfig)
self.assertIn(f' address-family ipv4 unicast', frrconfig)
for redistribute in redistributes:
self.assertIn(f' redistribute {redistribute}', frrconfig)
for network, network_config in networks.items():
self.assertIn(f' network {network}', frrconfig)
if 'as_set' in network_config:
self.assertIn(f' aggregate-address {network} as-set', frrconfig)
if 'summary_only' in network_config:
self.assertIn(f' aggregate-address {network} summary-only', frrconfig)
def test_bgp_05_afi_ipv6(self):
networks = {
'2001:db8:100::/48' : {
},
'2001:db8:200::/48' : {
},
'2001:db8:300::/48' : {
'summary_only' : '',
},
}
# We want to redistribute ...
redistributes = ['connected', 'kernel', 'ospfv3', 'ripng', 'static']
for redistribute in redistributes:
self.session.set(base_path + ['address-family', 'ipv6-unicast',
'redistribute', redistribute])
for network, network_config in networks.items():
self.session.set(base_path + ['address-family', 'ipv6-unicast',
'network', network])
if 'summary_only' in network_config:
self.session.set(base_path + ['address-family', 'ipv6-unicast',
'aggregate-address', network, 'summary-only'])
# commit changes
self.session.commit()
# Verify FRR bgpd configuration
frrconfig = getFRRBGPconfig()
self.assertIn(f'router bgp {ASN}', frrconfig)
self.assertIn(f' address-family ipv6 unicast', frrconfig)
for redistribute in redistributes:
# FRR calls this OSPF6
if redistribute == 'ospfv3':
redistribute = 'ospf6'
self.assertIn(f' redistribute {redistribute}', frrconfig)
for network, network_config in networks.items():
self.assertIn(f' network {network}', frrconfig)
if 'as_set' in network_config:
self.assertIn(f' aggregate-address {network} summary-only', frrconfig)
if __name__ == '__main__':
unittest.main(verbosity=2)
|
