From 0f4a09ac25d42601f42d37e044f8630ec7d31507 Mon Sep 17 00:00:00 2001 From: Donatas Abraitis Date: Tue, 7 Mar 2023 22:41:58 +0200 Subject: [PATCH] tests: Check if IPv6 BGP Link-Local peering works Signed-off-by: Donatas Abraitis --- .../topotests/bgp_ipv6_ll_peering/__init__.py | 0 .../bgp_ipv6_ll_peering/r1/bgpd.conf | 6 ++ .../bgp_ipv6_ll_peering/r1/zebra.conf | 4 + .../bgp_ipv6_ll_peering/r2/bgpd.conf | 6 ++ .../bgp_ipv6_ll_peering/r2/zebra.conf | 4 + .../test_bgp_ipv6_ll_peering.py | 88 +++++++++++++++++++ 6 files changed, 108 insertions(+) create mode 100644 tests/topotests/bgp_ipv6_ll_peering/__init__.py create mode 100644 tests/topotests/bgp_ipv6_ll_peering/r1/bgpd.conf create mode 100644 tests/topotests/bgp_ipv6_ll_peering/r1/zebra.conf create mode 100644 tests/topotests/bgp_ipv6_ll_peering/r2/bgpd.conf create mode 100644 tests/topotests/bgp_ipv6_ll_peering/r2/zebra.conf create mode 100644 tests/topotests/bgp_ipv6_ll_peering/test_bgp_ipv6_ll_peering.py diff --git a/tests/topotests/bgp_ipv6_ll_peering/__init__.py b/tests/topotests/bgp_ipv6_ll_peering/__init__.py new file mode 100644 index 0000000000..e69de29bb2 diff --git a/tests/topotests/bgp_ipv6_ll_peering/r1/bgpd.conf b/tests/topotests/bgp_ipv6_ll_peering/r1/bgpd.conf new file mode 100644 index 0000000000..724cbf84ab --- /dev/null +++ b/tests/topotests/bgp_ipv6_ll_peering/r1/bgpd.conf @@ -0,0 +1,6 @@ +router bgp 65001 + bgp router-id 10.0.0.1 + no bgp ebgp-requires-policy + neighbor fe80:1::2 remote-as external + neighbor fe80:1::2 timers 3 10 + neighbor fe80:1::2 interface r1-eth0 diff --git a/tests/topotests/bgp_ipv6_ll_peering/r1/zebra.conf b/tests/topotests/bgp_ipv6_ll_peering/r1/zebra.conf new file mode 100644 index 0000000000..4e93d4f4e5 --- /dev/null +++ b/tests/topotests/bgp_ipv6_ll_peering/r1/zebra.conf @@ -0,0 +1,4 @@ +! +interface r1-eth0 + ipv6 address fe80:1::1/64 +! diff --git a/tests/topotests/bgp_ipv6_ll_peering/r2/bgpd.conf b/tests/topotests/bgp_ipv6_ll_peering/r2/bgpd.conf new file mode 100644 index 0000000000..44f79dfc33 --- /dev/null +++ b/tests/topotests/bgp_ipv6_ll_peering/r2/bgpd.conf @@ -0,0 +1,6 @@ +router bgp 65002 + bgp router-id 10.0.0.2 + no bgp ebgp-requires-policy + neighbor fe80:1::1 remote-as external + neighbor fe80:1::1 timers 3 10 + neighbor fe80:1::1 interface r2-eth0 diff --git a/tests/topotests/bgp_ipv6_ll_peering/r2/zebra.conf b/tests/topotests/bgp_ipv6_ll_peering/r2/zebra.conf new file mode 100644 index 0000000000..1e703cda36 --- /dev/null +++ b/tests/topotests/bgp_ipv6_ll_peering/r2/zebra.conf @@ -0,0 +1,4 @@ +! +interface r2-eth0 + ipv6 address fe80:1::2/64 +! diff --git a/tests/topotests/bgp_ipv6_ll_peering/test_bgp_ipv6_ll_peering.py b/tests/topotests/bgp_ipv6_ll_peering/test_bgp_ipv6_ll_peering.py new file mode 100644 index 0000000000..ea974b5302 --- /dev/null +++ b/tests/topotests/bgp_ipv6_ll_peering/test_bgp_ipv6_ll_peering.py @@ -0,0 +1,88 @@ +#!/usr/bin/env python +# SPDX-License-Identifier: ISC + +# +# Copyright (c) 2023 by +# Donatas Abraitis +# + +""" +Check if IPv6 Link-Local BGP peering works fine. +""" + +import os +import sys +import json +import pytest +import functools + +CWD = os.path.dirname(os.path.realpath(__file__)) +sys.path.append(os.path.join(CWD, "../")) + +# pylint: disable=C0413 +from lib import topotest +from lib.topogen import Topogen, TopoRouter, get_topogen + +pytestmark = [pytest.mark.bgpd] + + +def build_topo(tgen): + for routern in range(1, 3): + tgen.add_router("r{}".format(routern)) + + switch = tgen.add_switch("s1") + switch.add_link(tgen.gears["r1"]) + switch.add_link(tgen.gears["r2"]) + + +def setup_module(mod): + tgen = Topogen(build_topo, mod.__name__) + tgen.start_topology() + + router_list = tgen.routers() + + for i, (rname, router) in enumerate(router_list.items(), 1): + router.load_config( + TopoRouter.RD_ZEBRA, os.path.join(CWD, "{}/zebra.conf".format(rname)) + ) + router.load_config( + TopoRouter.RD_BGP, os.path.join(CWD, "{}/bgpd.conf".format(rname)) + ) + + tgen.start_router() + + +def teardown_module(mod): + tgen = get_topogen() + tgen.stop_topology() + + +def test_bgp_ipv6_link_local_peering(): + tgen = get_topogen() + + if tgen.routers_have_failure(): + pytest.skip(tgen.errors) + + r1 = tgen.gears["r1"] + + def _bgp_converge(): + output = json.loads(r1.vtysh_cmd("show bgp summary json")) + expected = { + "ipv4Unicast": { + "peers": { + "fe80:1::2": { + "state": "Established", + } + } + } + } + return topotest.json_cmp(output, expected) + + test_func = functools.partial(_bgp_converge) + _, result = topotest.run_and_expect(test_func, None, count=60, wait=0.5) + assert result is None, "Failed to see BGP convergence on R2" + + +if __name__ == "__main__": + args = ["-s"] + sys.argv[1:] + sys.exit(pytest.main(args)) -- 2.39.5