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git.proxmox.com Git - mirror_frr.git/blob - tests/topotests/bgp_prefix_sid/test_bgp_prefix_sid.py
2 # SPDX-License-Identifier: ISC
5 # test_bgp_prefix_sid.py
6 # Part of NetDEF Topology Tests
8 # Copyright (c) 2020 by LINE Corporation
9 # Copyright (c) 2020 by Hiroki Shirokura <slank.dev@gmail.com>
13 test_bgp_prefix_sid.py: Test BGP topology with EBGP on prefix-sid
22 CWD
= os
.path
.dirname(os
.path
.realpath(__file__
))
23 sys
.path
.append(os
.path
.join(CWD
, "../"))
25 # pylint: disable=C0413
26 from lib
import topotest
27 from lib
.topogen
import Topogen
, TopoRouter
, get_topogen
28 from lib
.topolog
import logger
30 pytestmark
= [pytest
.mark
.bgpd
]
34 router
= tgen
.add_router("r1")
35 switch
= tgen
.add_switch("s1")
36 switch
.add_link(router
)
38 switch
= tgen
.gears
["s1"]
39 peer1
= tgen
.add_exabgp_peer("peer1", ip
="10.0.0.101", defaultRoute
="via 10.0.0.1")
40 peer2
= tgen
.add_exabgp_peer("peer2", ip
="10.0.0.102", defaultRoute
="via 10.0.0.1")
41 switch
.add_link(peer1
)
42 switch
.add_link(peer2
)
45 def setup_module(module
):
46 tgen
= Topogen(build_topo
, module
.__name
__)
49 router
= tgen
.gears
["r1"]
51 TopoRouter
.RD_ZEBRA
, os
.path
.join(CWD
, "{}/zebra.conf".format("r1"))
54 TopoRouter
.RD_BGP
, os
.path
.join(CWD
, "{}/bgpd.conf".format("r1"))
58 logger
.info("starting exaBGP on peer1")
59 peer_list
= tgen
.exabgp_peers()
60 for pname
, peer
in peer_list
.items():
61 peer_dir
= os
.path
.join(CWD
, pname
)
62 env_file
= os
.path
.join(CWD
, "exabgp.env")
63 logger
.info("Running ExaBGP peer")
64 peer
.start(peer_dir
, env_file
)
68 def teardown_module(module
):
73 def test_r1_receive_and_advertise_prefix_sid_type1():
75 router
= tgen
.gears
["r1"]
77 def _check_type1_r1(router
, prefix
, remoteLabel
, labelIndex
):
78 output
= router
.vtysh_cmd(
79 "show bgp ipv4 labeled-unicast {} json".format(prefix
)
81 output
= json
.loads(output
)
84 "advertisedTo": {"10.0.0.101": {}, "10.0.0.102": {}},
88 "remoteLabel": remoteLabel
,
89 "labelIndex": labelIndex
,
93 return topotest
.json_cmp(output
, expected
)
95 test_func
= functools
.partial(_check_type1_r1
, router
, "3.0.0.1/32", 800001, 1)
96 success
, result
= topotest
.run_and_expect(test_func
, None, count
=10, wait
=0.5)
97 assert result
is None, 'Failed _check_type1_r1 in "{}"'.format(router
)
99 test_func
= functools
.partial(_check_type1_r1
, router
, "3.0.0.2/32", 800002, 2)
100 success
, result
= topotest
.run_and_expect(test_func
, None, count
=10, wait
=0.5)
101 assert result
is None, 'Failed _check_type1_r1 in "{}"'.format(router
)
104 def exabgp_get_update_prefix(filename
, afi
, nexthop
, prefix
):
105 with
open(filename
) as f
:
106 for line
in f
.readlines():
107 output
= json
.loads(line
)
108 ret
= output
.get("neighbor")
111 ret
= ret
.get("message")
114 ret
= ret
.get("update")
117 ret
= ret
.get("announce")
123 ret
= ret
.get(nexthop
)
126 ret
= ret
.get(prefix
)
133 def test_peer2_receive_prefix_sid_type1():
135 peer2
= tgen
.gears
["peer2"]
136 logfile
= "{}/{}-received.log".format(peer2
.gearlogdir
, peer2
.name
)
138 def _check_type1_peer2(prefix
, labelindex
):
139 output
= exabgp_get_update_prefix(
140 logfile
, "ipv4 nlri-mpls", "10.0.0.101", prefix
149 "attribute-0x28-0xE0": "0x010007000000{:08x}".format(
153 "announce": {"ipv4 nlri-mpls": {"10.0.0.101": {}}},
158 return topotest
.json_cmp(output
, expected
)
160 test_func
= functools
.partial(_check_type1_peer2
, "3.0.0.1/32", labelindex
=1)
161 success
, result
= topotest
.run_and_expect(test_func
, None, count
=10, wait
=0.5)
162 assert result
is None, 'Failed _check_type1_peer2 in "{}"'.format("peer2")
164 test_func
= functools
.partial(_check_type1_peer2
, "3.0.0.2/32", labelindex
=2)
165 success
, result
= topotest
.run_and_expect(test_func
, None, count
=10, wait
=0.5)
166 assert result
is None, 'Failed _check_type1_peer2 in "{}"'.format("peer2")
169 if __name__
== "__main__":
170 args
= ["-s"] + sys
.argv
[1:]
171 ret
= pytest
.main(args
)