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484ff489 DA |
1 | #!/usr/bin/env python |
2 | ||
3 | # | |
4 | # Copyright (c) 2021 by | |
5 | # Donatas Abraitis <donatas.abraitis@gmail.com> | |
6 | # | |
7 | # Permission to use, copy, modify, and/or distribute this software | |
8 | # for any purpose with or without fee is hereby granted, provided | |
9 | # that the above copyright notice and this permission notice appear | |
10 | # in all copies. | |
11 | # | |
12 | # THE SOFTWARE IS PROVIDED "AS IS" AND NETDEF DISCLAIMS ALL WARRANTIES | |
13 | # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF | |
14 | # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NETDEF BE LIABLE FOR | |
15 | # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY | |
16 | # DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, | |
17 | # WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS | |
18 | # ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE | |
19 | # OF THIS SOFTWARE. | |
20 | # | |
21 | ||
22 | """ | |
b01830dc TA |
23 | Test if `bgp default ipv4-unicast`, `bgp default ipv6-unicast` |
24 | and `bgp default l2vpn-evpn` commands work as expected. | |
484ff489 DA |
25 | |
26 | STEP 1: 'Check if neighbor 192.168.255.254 is enabled for ipv4 address-family only' | |
27 | STEP 2: 'Check if neighbor 192.168.255.254 is enabled for ipv6 address-family only' | |
b01830dc TA |
28 | STEP 3: 'Check if neighbor 192.168.255.254 is enabled for l2vpn evpn address-family only' |
29 | STEP 4: 'Check if neighbor 192.168.255.254 is enabled for ipv4/ipv6 unicast and l2vpn evpn address-families' | |
484ff489 DA |
30 | """ |
31 | ||
32 | import os | |
33 | import sys | |
34 | import json | |
35 | import pytest | |
36 | import functools | |
37 | ||
ad889e0d DA |
38 | pytestmark = [pytest.mark.bgpd] |
39 | ||
484ff489 DA |
40 | CWD = os.path.dirname(os.path.realpath(__file__)) |
41 | sys.path.append(os.path.join(CWD, "../")) | |
42 | ||
43 | # pylint: disable=C0413 | |
44 | from lib import topotest | |
45 | from lib.topogen import Topogen, TopoRouter, get_topogen | |
46 | from lib.topolog import logger | |
8db751b8 | 47 | from lib.micronet_compat import Topo |
484ff489 DA |
48 | from lib.common_config import step |
49 | ||
bf3a0a9a DS |
50 | pytestmark = [pytest.mark.bgpd] |
51 | ||
484ff489 DA |
52 | |
53 | class TemplateTopo(Topo): | |
54 | def build(self, *_args, **_opts): | |
55 | tgen = get_topogen(self) | |
56 | ||
57 | for routern in range(1, 5): | |
58 | tgen.add_router("r{}".format(routern)) | |
59 | ||
60 | switch = tgen.add_switch("s1") | |
61 | switch.add_link(tgen.gears["r1"]) | |
62 | switch.add_link(tgen.gears["r2"]) | |
63 | switch.add_link(tgen.gears["r3"]) | |
64 | switch.add_link(tgen.gears["r4"]) | |
65 | ||
66 | ||
67 | def setup_module(mod): | |
68 | tgen = Topogen(TemplateTopo, mod.__name__) | |
69 | tgen.start_topology() | |
70 | ||
71 | router_list = tgen.routers() | |
72 | ||
73 | for i, (rname, router) in enumerate(router_list.items(), 1): | |
74 | router.load_config( | |
75 | TopoRouter.RD_ZEBRA, os.path.join(CWD, "{}/zebra.conf".format(rname)) | |
76 | ) | |
77 | router.load_config( | |
78 | TopoRouter.RD_BGP, os.path.join(CWD, "{}/bgpd.conf".format(rname)) | |
79 | ) | |
80 | ||
81 | tgen.start_router() | |
82 | ||
83 | ||
84 | def teardown_module(mod): | |
85 | tgen = get_topogen() | |
86 | tgen.stop_topology() | |
87 | ||
88 | ||
89 | def test_bgp_default_ipv4_ipv6_unicast(): | |
90 | tgen = get_topogen() | |
91 | ||
92 | if tgen.routers_have_failure(): | |
93 | pytest.skip(tgen.errors) | |
94 | ||
95 | step("Check if neighbor 192.168.255.254 is enabled for ipv4 address-family only") | |
96 | ||
97 | def _bgp_neighbor_ipv4_af_only(): | |
98 | tgen.gears["r1"].vtysh_cmd( | |
99 | "conf t\nrouter bgp\nneighbor 192.168.255.254 remote-as external" | |
100 | ) | |
101 | ||
102 | output = json.loads(tgen.gears["r1"].vtysh_cmd("show bgp summary json")) | |
103 | ||
b01830dc | 104 | if len(output.keys()) == 1 and "ipv4Unicast" in output: |
484ff489 DA |
105 | return True |
106 | return False | |
107 | ||
108 | assert _bgp_neighbor_ipv4_af_only() == True | |
109 | ||
110 | step("Check if neighbor 192.168.255.254 is enabled for ipv6 address-family only") | |
111 | ||
112 | def _bgp_neighbor_ipv6_af_only(): | |
113 | tgen.gears["r2"].vtysh_cmd( | |
114 | "conf t\nrouter bgp\nneighbor 192.168.255.254 remote-as external" | |
115 | ) | |
116 | ||
117 | output = json.loads(tgen.gears["r2"].vtysh_cmd("show bgp summary json")) | |
118 | ||
b01830dc | 119 | if len(output.keys()) == 1 and "ipv6Unicast" in output: |
484ff489 DA |
120 | return True |
121 | return False | |
122 | ||
123 | assert _bgp_neighbor_ipv6_af_only() == True | |
124 | ||
b01830dc | 125 | step("Check if neighbor 192.168.255.254 is enabled for evpn address-family only") |
484ff489 | 126 | |
b01830dc | 127 | def _bgp_neighbor_evpn_af_only(): |
484ff489 DA |
128 | tgen.gears["r3"].vtysh_cmd( |
129 | "conf t\nrouter bgp\nneighbor 192.168.255.254 remote-as external" | |
130 | ) | |
131 | ||
132 | output = json.loads(tgen.gears["r3"].vtysh_cmd("show bgp summary json")) | |
133 | ||
b01830dc TA |
134 | if len(output.keys()) == 1 and "l2VpnEvpn" in output: |
135 | return True | |
136 | return False | |
137 | ||
138 | assert _bgp_neighbor_evpn_af_only() == True | |
139 | ||
140 | step( | |
141 | "Check if neighbor 192.168.255.254 is enabled for ipv4/ipv6 unicast and evpn address-families" | |
142 | ) | |
143 | ||
144 | def _bgp_neighbor_ipv4_ipv6_and_evpn_af(): | |
145 | tgen.gears["r4"].vtysh_cmd( | |
146 | "conf t\nrouter bgp\nneighbor 192.168.255.254 remote-as external" | |
147 | ) | |
148 | ||
149 | output = json.loads(tgen.gears["r4"].vtysh_cmd("show bgp summary json")) | |
150 | ||
151 | if ( | |
152 | len(output.keys()) == 3 | |
153 | and "ipv4Unicast" in output | |
154 | and "ipv6Unicast" in output | |
155 | and "l2VpnEvpn" in output | |
156 | ): | |
484ff489 DA |
157 | return True |
158 | return False | |
159 | ||
b01830dc | 160 | assert _bgp_neighbor_ipv4_ipv6_and_evpn_af() == True |
484ff489 DA |
161 | |
162 | ||
163 | if __name__ == "__main__": | |
164 | args = ["-s"] + sys.argv[1:] | |
165 | sys.exit(pytest.main(args)) |