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1 | #!/usr/bin/env python | |
2 | # SPDX-License-Identifier: ISC | |
3 | ||
4 | # Copyright (c) 2021 by | |
5 | # Donatas Abraitis <donatas.abraitis@gmail.com> | |
6 | # | |
7 | ||
8 | """ | |
9 | Test if route-map extcommunity none works: | |
10 | ||
11 | route-map <name> permit 10 | |
12 | set extcommunity none | |
13 | """ | |
14 | ||
15 | import os | |
16 | import sys | |
17 | import json | |
18 | import pytest | |
19 | import functools | |
20 | ||
21 | pytestmark = pytest.mark.bgpd | |
22 | ||
23 | CWD = os.path.dirname(os.path.realpath(__file__)) | |
24 | sys.path.append(os.path.join(CWD, "../")) | |
25 | ||
26 | # pylint: disable=C0413 | |
27 | from lib import topotest | |
28 | from lib.topogen import Topogen, TopoRouter, get_topogen | |
29 | ||
30 | pytestmark = [pytest.mark.bgpd] | |
31 | ||
32 | ||
33 | def build_topo(tgen): | |
34 | for routern in range(1, 3): | |
35 | tgen.add_router("r{}".format(routern)) | |
36 | ||
37 | switch = tgen.add_switch("s1") | |
38 | switch.add_link(tgen.gears["r1"]) | |
39 | switch.add_link(tgen.gears["r2"]) | |
40 | ||
41 | ||
42 | def setup_module(mod): | |
43 | tgen = Topogen(build_topo, mod.__name__) | |
44 | tgen.start_topology() | |
45 | ||
46 | router_list = tgen.routers() | |
47 | ||
48 | for i, (rname, router) in enumerate(router_list.items(), 1): | |
49 | router.load_config( | |
50 | TopoRouter.RD_ZEBRA, os.path.join(CWD, "{}/zebra.conf".format(rname)) | |
51 | ) | |
52 | router.load_config( | |
53 | TopoRouter.RD_BGP, os.path.join(CWD, "{}/bgpd.conf".format(rname)) | |
54 | ) | |
55 | ||
56 | tgen.start_router() | |
57 | ||
58 | ||
59 | def teardown_module(mod): | |
60 | tgen = get_topogen() | |
61 | tgen.stop_topology() | |
62 | ||
63 | ||
64 | def test_bgp_extcommunity_none(): | |
65 | tgen = get_topogen() | |
66 | ||
67 | if tgen.routers_have_failure(): | |
68 | pytest.skip(tgen.errors) | |
69 | ||
70 | router = tgen.gears["r1"] | |
71 | ||
72 | def _bgp_converge(router): | |
73 | output = json.loads( | |
74 | router.vtysh_cmd("show bgp ipv4 unicast 172.16.16.1/32 json") | |
75 | ) | |
76 | expected = { | |
77 | "prefix": "172.16.16.1/32", | |
78 | "paths": [ | |
79 | { | |
80 | "community": { | |
81 | "string": "123:123", | |
82 | }, | |
83 | "extendedCommunity": {"string": "LB:65002:25000000 (200.000 Mbps)"}, | |
84 | } | |
85 | ], | |
86 | } | |
87 | ||
88 | return topotest.json_cmp(output, expected) | |
89 | ||
90 | test_func = functools.partial(_bgp_converge, router) | |
91 | success, result = topotest.run_and_expect(test_func, None, count=60, wait=0.5) | |
92 | assert result is None, "BGP Converge failed" | |
93 | ||
94 | def _bgp_extcommunity_strip(router): | |
95 | router.vtysh_cmd( | |
96 | "conf t\nrouter bgp 65001\naddress-family ipv4\nneighbor 192.168.1.2 route-map r2 in" | |
97 | ) | |
98 | output = json.loads( | |
99 | router.vtysh_cmd("show bgp ipv4 unicast 172.16.16.1/32 json") | |
100 | ) | |
101 | expected = { | |
102 | "prefix": "172.16.16.1/32", | |
103 | "paths": [ | |
104 | { | |
105 | "community": { | |
106 | "string": "123:123", | |
107 | }, | |
108 | "extendedCommunity": None, | |
109 | } | |
110 | ], | |
111 | } | |
112 | ||
113 | return topotest.json_cmp(output, expected) | |
114 | ||
115 | test_func = functools.partial(_bgp_extcommunity_strip, router) | |
116 | success, result = topotest.run_and_expect(test_func, None, count=60, wait=0.5) | |
117 | assert result is None, "Failed to strip incoming extended communities from r2" | |
118 | ||
119 | ||
120 | if __name__ == "__main__": | |
121 | args = ["-s"] + sys.argv[1:] | |
122 | sys.exit(pytest.main(args)) |