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
|
# Copyright (C) 2015 Nippon Telegraph and Telephone Corporation.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
# implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from __future__ import absolute_import
from __future__ import print_function
import sys
import time
import unittest
from fabric.api import local
import nose
from lib.noseplugin import OptionParser, parser_option
from lib import base
from lib.base import (
Bridge,
BGP_FSM_ESTABLISHED,
)
from lib.gobgp import GoBGPContainer
from lib.quagga import QuaggaBGPContainer
class GoBGPTestBase(unittest.TestCase):
# The same topology for IPv4 and IPv6 environment.
# o1: Quagga (not router)
# g1: GoBGP
# q1: Quagga (Zebra + BGPd)
# o2: Quagga (not router)
#
# +----+ +----+ +----+ +----+
# | o1 | | g1 |===(BGP)===| q1 | | o2 |
# +----+ +----+ +----+ +----+
# | | | | | |
# +--(br01)--+ +---(br02)----+ +--(br03)--+
@classmethod
def setUpClass(cls):
gobgp_ctn_image_name = parser_option.gobgp_image
base.TEST_PREFIX = parser_option.test_prefix
# preparing the container for ipv4
g1_v4 = GoBGPContainer(name='g1_v4', asn=65000, router_id='192.168.0.1',
ctn_image_name=gobgp_ctn_image_name,
log_level=parser_option.gobgp_log_level,
zebra=True)
q1_v4 = QuaggaBGPContainer(name='q1_v4', asn=65001, router_id='192.168.0.2', zebra=True)
o1_v4 = QuaggaBGPContainer(name='o1_v4', asn=65002, router_id='192.168.0.3')
o2_v4 = QuaggaBGPContainer(name='o2_v4', asn=65002, router_id='192.168.0.4')
# preparing the container for ipv6
g1_v6 = GoBGPContainer(name='g1_v6', asn=65000, router_id='192.168.0.1',
ctn_image_name=gobgp_ctn_image_name,
log_level=parser_option.gobgp_log_level,
zebra=True)
q1_v6 = QuaggaBGPContainer(name='q1_v6', asn=65001, router_id='192.168.0.2', zebra=True)
o1_v6 = QuaggaBGPContainer(name='o1_v6', asn=65002, router_id='192.168.0.3')
o2_v6 = QuaggaBGPContainer(name='o2_v6', asn=65002, router_id='192.168.0.4')
# preparing the bridge for ipv4
br01_v4 = Bridge(name='br01_v4', subnet='192.168.10.0/24')
br02_v4 = Bridge(name='br02_v4', subnet='192.168.20.0/24')
br03_v4 = Bridge(name='br03_v4', subnet='192.168.30.0/24')
# preparing the bridge for ipv6
br01_v6 = Bridge(name='br01_v6', subnet='2001:10::/32')
br02_v6 = Bridge(name='br02_v6', subnet='2001:20::/32')
br03_v6 = Bridge(name='br03_v6', subnet='2001:30::/32')
cls.ctns = {
'ipv4': [g1_v4, q1_v4, o1_v4, o2_v4],
'ipv6': [g1_v6, q1_v6, o1_v6, o2_v6],
}
cls.gobgps = {
'ipv4': g1_v4,
'ipv6': g1_v6,
}
cls.quaggas = {
'ipv4': q1_v4,
'ipv6': q1_v6,
}
cls.others = {
'ipv4': [o1_v4, o2_v4],
'ipv6': [o1_v6, o2_v6],
}
cls.bridges = {
'br01_v4': br01_v4,
'br02_v4': br02_v4,
'br03_v4': br03_v4,
'br01_v6': br01_v6,
'br02_v6': br02_v6,
'br03_v6': br03_v6,
}
"""
No.1 start up ipv4 containers and check state
each neighbor is established in ipv4 environment
"""
def test_01_check_neighbor_established(self):
g1 = self.gobgps['ipv4']
q1 = self.quaggas['ipv4']
o1 = self.others['ipv4'][0]
o2 = self.others['ipv4'][1]
# start up containers of ipv4 environment
initial_wait_time = max(ctn.run() for ctn in self.ctns['ipv4'])
time.sleep(initial_wait_time)
# make ipv4 bridge and set ip to each container
[self.bridges['br01_v4'].addif(ctn) for ctn in [o1, g1]]
[self.bridges['br02_v4'].addif(ctn) for ctn in [g1, q1]]
[self.bridges['br03_v4'].addif(ctn) for ctn in [q1, o2]]
g1.add_peer(q1, bridge=self.bridges['br02_v4'].name)
q1.add_peer(g1, bridge=self.bridges['br02_v4'].name)
g1.wait_for(expected_state=BGP_FSM_ESTABLISHED, peer=q1)
"""
No.2 check whether the ping is reachable in container
that have previously beyond the GoBGP in ipv4 environment
"""
def test_02_check_reachability_between_o1_and_o2(self):
g1 = self.gobgps['ipv4']
q1 = self.quaggas['ipv4']
o1 = self.others['ipv4'][0]
o2 = self.others['ipv4'][1]
# set o1's default gateway as g1
g1_addr = g1.ip_addrs[1][1].split('/')[0]
o1.add_static_route(self.bridges['br03_v4'].subnet, g1_addr)
# set o2's default gateway as q1
q1_addr = q1.ip_addrs[2][1].split('/')[0]
o2.add_static_route(self.bridges['br01_v4'].subnet, q1_addr)
# test reachability between o1 and o2
addrs = [e[1] for e in o2.ip_addrs if 'br03_v4' in e[2]]
self.assertEqual(len(addrs), 1)
o2_addr = addrs[0]
o1.get_reachability(o2_addr)
"""
No.4 start up ipv6 containers and check state
each neighbor is established in ipv6 environment
"""
def test_04_check_neighbor_established_v6(self):
g1 = self.gobgps['ipv6']
q1 = self.quaggas['ipv6']
o1 = self.others['ipv6'][0]
o2 = self.others['ipv6'][1]
# start up containers of ipv6 environment
initial_wait_time = max(ctn.run() for ctn in self.ctns['ipv6'])
time.sleep(initial_wait_time)
# make ipv6 bridge and set ip to each container
[self.bridges['br01_v6'].addif(ctn) for ctn in [o1, g1]]
[self.bridges['br02_v6'].addif(ctn) for ctn in [g1, q1]]
[self.bridges['br03_v6'].addif(ctn) for ctn in [q1, o2]]
g1.add_peer(q1, bridge=self.bridges['br02_v6'].name, v6=True)
q1.add_peer(g1, bridge=self.bridges['br02_v6'].name, v6=True)
g1.wait_for(expected_state=BGP_FSM_ESTABLISHED, peer=q1)
"""
No.5 check whether the ping is reachable in container
that have previously beyond the GoBGP in ipv6 environment
"""
def test_05_check_reachability_between_o1_and_o2(self):
g1 = self.gobgps['ipv6']
q1 = self.quaggas['ipv6']
o1 = self.others['ipv6'][0]
o2 = self.others['ipv6'][1]
# set o1's default gateway as g1
g1_addr = [a for a in g1.ip6_addrs if a[2] == self.bridges['br01_v6'].name][0][1].split('/')[0]
o1.add_static_route(self.bridges['br03_v6'].subnet, g1_addr)
# set o2's default gateway as q1
q1_addr = [a for a in q1.ip6_addrs if a[2] == self.bridges['br03_v6'].name][0][1].split('/')[0]
o2.add_static_route(self.bridges['br01_v6'].subnet, q1_addr)
# test reachability between o1 and o2
addrs = [e[1] for e in o2.ip6_addrs if 'br03_v6' in e[2]]
self.assertEqual(len(addrs), 1)
o2_addr = addrs[0]
o1.get_reachability(o2_addr)
def test_07_mpath_test_setup(self):
g1 = GoBGPContainer(name='g1', asn=65000, router_id='192.168.0.1',
ctn_image_name=parser_option.gobgp_image,
log_level=parser_option.gobgp_log_level,
config_format=parser_option.config_format,
zebra=True)
g2 = GoBGPContainer(name='g2', asn=65001, router_id='192.168.0.2',
ctn_image_name=parser_option.gobgp_image)
g3 = GoBGPContainer(name='g3', asn=65001, router_id='192.168.0.3',
ctn_image_name=parser_option.gobgp_image)
g4 = GoBGPContainer(name='g4', asn=65000, router_id='192.168.0.4',
ctn_image_name=parser_option.gobgp_image)
g5 = GoBGPContainer(name='g5', asn=65000, router_id='192.168.0.5',
ctn_image_name=parser_option.gobgp_image)
ctns = [g1, g2, g3, g4, g5]
for ctn in ctns:
self.ctns[ctn.name] = ctn
initial_wait_time = max(ctn.run() for ctn in ctns)
time.sleep(initial_wait_time)
# advertise same prefix
g2.add_route('10.0.10.0/24')
g3.add_route('10.0.10.0/24')
g4.add_route('10.0.10.0/24')
g5.add_route('10.0.10.0/24')
for g in [g2, g3, g4, g5]:
g1.add_peer(g)
g.add_peer(g1)
def test_08_mpath_test_check_neighbor_established(self):
g1 = self.ctns['g1']
g2 = self.ctns['g2']
g3 = self.ctns['g3']
g4 = self.ctns['g4']
g5 = self.ctns['g5']
for g in [g2, g3, g4, g5]:
g1.wait_for(expected_state=BGP_FSM_ESTABLISHED, peer=g)
def test_09_mpath_test_check_mpath_injected(self):
g1 = self.ctns['g1']
g2 = self.ctns['g2']
g3 = self.ctns['g3']
g4 = self.ctns['g4']
g5 = self.ctns['g5']
def nexthops():
n = []
for line in g1.local('ip route show 10.0.10.0/24', capture=True).split('\n'):
line = line.strip()
if 'via' in line:
n.append(line.split(' ')[2].strip())
return n
def validate_nexthops(peers):
interval = 1
count = 0
timeout = 30
while True:
valid = False
nhs = nexthops()
if len(nhs) == len(peers):
valid = True
for peer in peers:
if g1.peers[peer]['neigh_addr'].split('/')[0] not in nhs:
valid = False
break
if valid:
return
time.sleep(interval)
count += interval
if count >= timeout:
raise Exception(nhs)
validate_nexthops([g4, g5])
g4.local('gobgp g ri del 10.0.10.0/24')
validate_nexthops([g5])
g4.local('gobgp g ri add 10.0.10.0/24 local-pref 200')
validate_nexthops([g4])
g4.local('gobgp g ri del 10.0.10.0/24')
g5.local('gobgp g ri del 10.0.10.0/24')
validate_nexthops([g2, g3])
g3.local('gobgp g ri del 10.0.10.0/24')
validate_nexthops([g2])
g3.local('gobgp g ri add 10.0.10.0/24 med 10')
validate_nexthops([g2])
g2.local('gobgp g ri add 10.0.10.0/24 med 20')
validate_nexthops([g3])
if __name__ == '__main__':
output = local("which docker 2>&1 > /dev/null ; echo $?", capture=True)
if int(output) is not 0:
print("docker not found")
sys.exit(1)
nose.main(argv=sys.argv, addplugins=[OptionParser()],
defaultTest=sys.argv[0])
|
