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git.proxmox.com Git - mirror_frr.git/blob - tests/topotests/bgp_confed1/test_bgp_confed1.py
2 # SPDX-License-Identifier: ISC
7 # Copyright 2022 6WIND S.A.
11 test_bgp_confed1.py: Test the FRR BGP confederations with AS member
12 same as confederation Id, verify BGP prefixes and path distribution
18 from functools
import partial
21 # Save the Current Working Directory to find configuration files.
22 CWD
= os
.path
.dirname(os
.path
.realpath(__file__
))
23 sys
.path
.append(os
.path
.join(CWD
, "../"))
25 # pylint: disable=C0413
26 # Import topogen and topotest helpers
27 from lib
import topotest
28 from lib
.topogen
import Topogen
, TopoRouter
, get_topogen
29 from lib
.topolog
import logger
31 pytestmark
= [pytest
.mark
.bgpd
]
35 for routern
in range(1, 5):
36 tgen
.add_router("r{}".format(routern
))
38 switch
= tgen
.add_switch("s1")
39 switch
.add_link(tgen
.gears
["r1"])
40 switch
.add_link(tgen
.gears
["r2"])
42 switch
= tgen
.add_switch("s3")
43 switch
.add_link(tgen
.gears
["r3"])
44 switch
.add_link(tgen
.gears
["r4"])
46 switch
= tgen
.add_switch("s2")
47 switch
.add_link(tgen
.gears
["r2"])
48 switch
.add_link(tgen
.gears
["r3"])
50 def setup_module(mod
):
52 tgen
= Topogen(build_topo
, mod
.__name
__)
55 router_list
= tgen
.routers()
56 for rname
, router
in router_list
.items():
58 TopoRouter
.RD_ZEBRA
, os
.path
.join(CWD
, "{}/zebra.conf".format(rname
))
61 TopoRouter
.RD_ISIS
, os
.path
.join(CWD
, "{}/isisd.conf".format(rname
))
64 TopoRouter
.RD_BGP
, os
.path
.join(CWD
, "{}/bgpd.conf".format(rname
))
67 # Initialize all routers.
70 def teardown_module(_mod
):
71 "Teardown the pytest environment"
76 def test_bgp_convergence():
77 "Assert that BGP is converging."
79 if tgen
.routers_have_failure():
80 pytest
.skip(tgen
.errors
)
82 logger
.info("waiting for bgp peers to go up")
84 for router
in tgen
.routers().values():
85 ref_file
= "{}/{}/bgp_summary.json".format(CWD
, router
.name
)
86 expected
= json
.loads(open(ref_file
).read())
88 topotest
.router_json_cmp
, router
, "show ip bgp summary json", expected
90 _
, res
= topotest
.run_and_expect(test_func
, None, count
=125, wait
=2.0)
91 assertmsg
= "{}: bgp did not converge".format(router
.name
)
92 assert res
is None, assertmsg
95 def test_bgp_confed_ipv4_unicast():
96 "Assert that BGP is exchanging BGP route."
98 if tgen
.routers_have_failure():
99 pytest
.skip(tgen
.errors
)
101 logger
.info("waiting for bgp peers exchanging UPDATES")
103 for router
in tgen
.routers().values():
104 ref_file
= "{}/{}/bgp_ipv4_unicast.json".format(CWD
, router
.name
)
105 expected
= json
.loads(open(ref_file
).read())
107 topotest
.router_json_cmp
, router
, "show bgp ipv4 unicast json", expected
109 _
, res
= topotest
.run_and_expect(test_func
, None, count
=40, wait
=2.5)
110 assertmsg
= "{}: BGP UPDATE exchange failure".format(router
.name
)
111 assert res
is None, assertmsg
114 if __name__
== "__main__":
115 args
= ["-s"] + sys
.argv
[1:]
116 sys
.exit(pytest
.main(args
))