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4 # test_bgp_as_wide_bgp_identifier.py
5 # Part of NetDEF Topology Tests
7 # Copyright (c) 2020 by
8 # Donatas Abraitis <donatas.abraitis@gmail.com>
10 # Permission to use, copy, modify, and/or distribute this software
11 # for any purpose with or without fee is hereby granted, provided
12 # that the above copyright notice and this permission notice appear
15 # THE SOFTWARE IS PROVIDED "AS IS" AND NETDEF DISCLAIMS ALL WARRANTIES
16 # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
17 # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NETDEF BE LIABLE FOR
18 # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY
19 # DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
20 # WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
21 # ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
26 rfc6286: Autonomous-System-Wide Unique BGP Identifier for BGP-4
27 Test if 'Bad BGP Identifier' notification is sent only to
28 internal peers (autonomous-system-wide). eBGP peers are not
29 affected and should work.
38 CWD
= os
.path
.dirname(os
.path
.realpath(__file__
))
39 sys
.path
.append(os
.path
.join(CWD
, "../"))
41 # pylint: disable=C0413
42 from lib
import topotest
43 from lib
.topogen
import Topogen
, TopoRouter
, get_topogen
45 pytestmark
= [pytest
.mark
.bgpd
]
49 for routern
in range(1, 4):
50 tgen
.add_router("r{}".format(routern
))
52 switch
= tgen
.add_switch("s1")
53 switch
.add_link(tgen
.gears
["r1"])
54 switch
.add_link(tgen
.gears
["r2"])
55 switch
.add_link(tgen
.gears
["r3"])
58 def setup_module(mod
):
59 tgen
= Topogen(build_topo
, mod
.__name
__)
62 router_list
= tgen
.routers()
64 for i
, (rname
, router
) in enumerate(router_list
.items(), 1):
66 TopoRouter
.RD_ZEBRA
, os
.path
.join(CWD
, "{}/zebra.conf".format(rname
))
69 TopoRouter
.RD_BGP
, os
.path
.join(CWD
, "{}/bgpd.conf".format(rname
))
75 def teardown_module(mod
):
80 def test_bgp_as_wide_bgp_identifier():
83 if tgen
.routers_have_failure():
84 pytest
.skip(tgen
.errors
)
86 def _bgp_converge(router
):
87 output
= json
.loads(router
.vtysh_cmd("show ip bgp neighbor 192.168.255.1 json"))
88 expected
= {"192.168.255.1": {"bgpState": "Established"}}
89 return topotest
.json_cmp(output
, expected
)
91 def _bgp_failed(router
):
92 output
= json
.loads(router
.vtysh_cmd("show ip bgp neighbor 192.168.255.1 json"))
95 "lastNotificationReason": "OPEN Message Error/Bad BGP Identifier"
98 return topotest
.json_cmp(output
, expected
)
100 test_func
= functools
.partial(_bgp_converge
, tgen
.gears
["r1"])
101 success
, result
= topotest
.run_and_expect(test_func
, None, count
=260, wait
=0.5)
103 assert result
is None, 'Failed to converge: "{}"'.format(tgen
.gears
["r1"])
105 test_func
= functools
.partial(_bgp_failed
, tgen
.gears
["r3"])
106 success
, result
= topotest
.run_and_expect(test_func
, None, count
=260, wait
=0.5)
108 assert result
is None, 'Bad BGP Identifier notification not sent: "{}"'.format(
113 if __name__
== "__main__":
114 args
= ["-s"] + sys
.argv
[1:]
115 sys
.exit(pytest
.main(args
))