]>
git.proxmox.com Git - mirror_frr.git/blob - tests/topotests/bgp_as_override/test_bgp_as_override.py
2 # SPDX-License-Identifier: ISC
5 # Copyright (c) 2022 by
6 # Donatas Abraitis <donatas@opensourcerouting.org>
18 CWD
= os
.path
.dirname(os
.path
.realpath(__file__
))
19 sys
.path
.append(os
.path
.join(CWD
, "../"))
21 # pylint: disable=C0413
22 from lib
import topotest
23 from lib
.topogen
import Topogen
, TopoRouter
, get_topogen
24 from lib
.common_config
import step
26 pytestmark
= [pytest
.mark
.bgpd
]
30 for routern
in range(1, 7):
31 tgen
.add_router("r{}".format(routern
))
33 switch
= tgen
.add_switch("s1")
34 switch
.add_link(tgen
.gears
["r1"])
35 switch
.add_link(tgen
.gears
["r2"])
37 switch
= tgen
.add_switch("s2")
38 switch
.add_link(tgen
.gears
["r2"])
39 switch
.add_link(tgen
.gears
["r3"])
41 switch
= tgen
.add_switch("s3")
42 switch
.add_link(tgen
.gears
["r3"])
43 switch
.add_link(tgen
.gears
["r4"])
46 def setup_module(mod
):
47 tgen
= Topogen(build_topo
, mod
.__name
__)
50 router_list
= tgen
.routers()
52 for i
, (rname
, router
) in enumerate(router_list
.items(), 1):
54 TopoRouter
.RD_ZEBRA
, os
.path
.join(CWD
, "{}/zebra.conf".format(rname
))
57 TopoRouter
.RD_BGP
, os
.path
.join(CWD
, "{}/bgpd.conf".format(rname
))
63 def teardown_module(mod
):
68 def test_bgp_as_override():
71 if tgen
.routers_have_failure():
72 pytest
.skip(tgen
.errors
)
78 output
= json
.loads(r3
.vtysh_cmd("show ip bgp neighbor 192.168.2.1 json"))
81 "bgpState": "Established",
82 "addressFamilyInfo": {"ipv4Unicast": {"acceptedPrefixCounter": 2}},
85 return topotest
.json_cmp(output
, expected
)
87 def _bgp_as_override():
88 output
= json
.loads(r4
.vtysh_cmd("show bgp ipv4 unicast json"))
91 "172.16.255.1/32": [{"valid": True, "path": "65003 65002 65003"}]
94 return topotest
.json_cmp(output
, expected
)
96 step("Initial BGP converge")
97 test_func
= functools
.partial(_bgp_converge
)
98 _
, result
= topotest
.run_and_expect(test_func
, None, count
=60, wait
=0.5)
99 assert result
is None, "Failed to see BGP convergence on R4"
101 step("Check if BGP as-override from R3 works")
102 test_func
= functools
.partial(_bgp_as_override
)
103 _
, result
= topotest
.run_and_expect(test_func
, None, count
=60, wait
=0.5)
104 assert result
is None, "Failed to see overriden ASN (65001) from R3"
107 if __name__
== "__main__":
108 args
= ["-s"] + sys
.argv
[1:]
109 sys
.exit(pytest
.main(args
))