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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.
39 CWD
= os
.path
.dirname(os
.path
.realpath(__file__
))
40 sys
.path
.append(os
.path
.join(CWD
, "../"))
42 # pylint: disable=C0413
43 from lib
import topotest
44 from lib
.topogen
import Topogen
, TopoRouter
, get_topogen
45 from lib
.topolog
import logger
46 from mininet
.topo
import Topo
49 class TemplateTopo(Topo
):
50 def build(self
, *_args
, **_opts
):
51 tgen
= get_topogen(self
)
53 for routern
in range(1, 4):
54 tgen
.add_router("r{}".format(routern
))
56 switch
= tgen
.add_switch("s1")
57 switch
.add_link(tgen
.gears
["r1"])
58 switch
.add_link(tgen
.gears
["r2"])
59 switch
.add_link(tgen
.gears
["r3"])
62 def setup_module(mod
):
63 tgen
= Topogen(TemplateTopo
, mod
.__name
__)
66 router_list
= tgen
.routers()
68 for i
, (rname
, router
) in enumerate(router_list
.items(), 1):
70 TopoRouter
.RD_ZEBRA
, os
.path
.join(CWD
, "{}/zebra.conf".format(rname
))
73 TopoRouter
.RD_BGP
, os
.path
.join(CWD
, "{}/bgpd.conf".format(rname
))
79 def teardown_module(mod
):
84 def test_bgp_as_wide_bgp_identifier():
87 if tgen
.routers_have_failure():
88 pytest
.skip(tgen
.errors
)
90 def _bgp_converge(router
):
91 output
= json
.loads(router
.vtysh_cmd("show ip bgp neighbor 192.168.255.1 json"))
92 expected
= {"192.168.255.1": {"bgpState": "Established"}}
93 return topotest
.json_cmp(output
, expected
)
95 def _bgp_failed(router
):
96 output
= json
.loads(router
.vtysh_cmd("show ip bgp neighbor 192.168.255.1 json"))
99 "lastNotificationReason": "OPEN Message Error/Bad BGP Identifier"
102 return topotest
.json_cmp(output
, expected
)
104 test_func
= functools
.partial(_bgp_converge
, tgen
.gears
["r1"])
105 success
, result
= topotest
.run_and_expect(test_func
, None, count
=260, wait
=0.5)
107 assert result
is None, 'Failed to converge: "{}"'.format(tgen
.gears
["r1"])
109 test_func
= functools
.partial(_bgp_failed
, tgen
.gears
["r3"])
110 success
, result
= topotest
.run_and_expect(test_func
, None, count
=260, wait
=0.5)
112 assert result
is None, 'Bad BGP Identifier notification not sent: "{}"'.format(
117 if __name__
== "__main__":
118 args
= ["-s"] + sys
.argv
[1:]
119 sys
.exit(pytest
.main(args
))