]>
git.proxmox.com Git - mirror_frr.git/blob - tests/topotests/bgp_as_override/test_bgp_as_override.py
4 # Copyright (c) 2022 by
5 # Donatas Abraitis <donatas@opensourcerouting.org>
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
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
31 CWD
= os
.path
.dirname(os
.path
.realpath(__file__
))
32 sys
.path
.append(os
.path
.join(CWD
, "../"))
34 # pylint: disable=C0413
35 from lib
import topotest
36 from lib
.topogen
import Topogen
, TopoRouter
, get_topogen
37 from lib
.common_config
import step
39 pytestmark
= [pytest
.mark
.bgpd
]
43 for routern
in range(1, 7):
44 tgen
.add_router("r{}".format(routern
))
46 switch
= tgen
.add_switch("s1")
47 switch
.add_link(tgen
.gears
["r1"])
48 switch
.add_link(tgen
.gears
["r2"])
50 switch
= tgen
.add_switch("s2")
51 switch
.add_link(tgen
.gears
["r2"])
52 switch
.add_link(tgen
.gears
["r3"])
54 switch
= tgen
.add_switch("s3")
55 switch
.add_link(tgen
.gears
["r3"])
56 switch
.add_link(tgen
.gears
["r4"])
59 def setup_module(mod
):
60 tgen
= Topogen(build_topo
, mod
.__name
__)
63 router_list
= tgen
.routers()
65 for i
, (rname
, router
) in enumerate(router_list
.items(), 1):
67 TopoRouter
.RD_ZEBRA
, os
.path
.join(CWD
, "{}/zebra.conf".format(rname
))
70 TopoRouter
.RD_BGP
, os
.path
.join(CWD
, "{}/bgpd.conf".format(rname
))
76 def teardown_module(mod
):
81 def test_bgp_as_override():
84 if tgen
.routers_have_failure():
85 pytest
.skip(tgen
.errors
)
91 output
= json
.loads(r3
.vtysh_cmd("show ip bgp neighbor 192.168.2.1 json"))
94 "bgpState": "Established",
95 "addressFamilyInfo": {"ipv4Unicast": {"acceptedPrefixCounter": 2}},
98 return topotest
.json_cmp(output
, expected
)
100 def _bgp_as_override():
101 output
= json
.loads(r4
.vtysh_cmd("show bgp ipv4 unicast json"))
104 "172.16.255.1/32": [{"valid": True, "path": "65003 65002 65003"}]
107 return topotest
.json_cmp(output
, expected
)
109 step("Initial BGP converge")
110 test_func
= functools
.partial(_bgp_converge
)
111 _
, result
= topotest
.run_and_expect(test_func
, None, count
=60, wait
=0.5)
112 assert result
is None, "Failed to see BGP convergence on R4"
114 step("Check if BGP as-override from R3 works")
115 test_func
= functools
.partial(_bgp_as_override
)
116 _
, result
= topotest
.run_and_expect(test_func
, None, count
=60, wait
=0.5)
117 assert result
is None, "Failed to see overriden ASN (65001) from R3"
120 if __name__
== "__main__":
121 args
= ["-s"] + sys
.argv
[1:]
122 sys
.exit(pytest
.main(args
))