From 390cde0afc76172c114ec7802f5a70283766682f Mon Sep 17 00:00:00 2001 From: Donatas Abraitis Date: Mon, 22 Nov 2021 21:27:05 +0200 Subject: [PATCH] tests: Test if `match ipv6 next-hop` works Signed-off-by: Donatas Abraitis --- .../__init__.py | 0 .../r1/bgpd.conf | 27 ++++ .../r1/zebra.conf | 4 + .../r2/bgpd.conf | 29 +++++ .../r2/zebra.conf | 10 ++ ...oute_map_match_ipv6_nexthop_access_list.py | 116 ++++++++++++++++++ 6 files changed, 186 insertions(+) create mode 100644 tests/topotests/bgp_route_map_match_ipv6_nexthop_access_list/__init__.py create mode 100644 tests/topotests/bgp_route_map_match_ipv6_nexthop_access_list/r1/bgpd.conf create mode 100644 tests/topotests/bgp_route_map_match_ipv6_nexthop_access_list/r1/zebra.conf create mode 100644 tests/topotests/bgp_route_map_match_ipv6_nexthop_access_list/r2/bgpd.conf create mode 100644 tests/topotests/bgp_route_map_match_ipv6_nexthop_access_list/r2/zebra.conf create mode 100644 tests/topotests/bgp_route_map_match_ipv6_nexthop_access_list/test_bgp_route_map_match_ipv6_nexthop_access_list.py diff --git a/tests/topotests/bgp_route_map_match_ipv6_nexthop_access_list/__init__.py b/tests/topotests/bgp_route_map_match_ipv6_nexthop_access_list/__init__.py new file mode 100644 index 0000000000..e69de29bb2 diff --git a/tests/topotests/bgp_route_map_match_ipv6_nexthop_access_list/r1/bgpd.conf b/tests/topotests/bgp_route_map_match_ipv6_nexthop_access_list/r1/bgpd.conf new file mode 100644 index 0000000000..5f35d353f4 --- /dev/null +++ b/tests/topotests/bgp_route_map_match_ipv6_nexthop_access_list/r1/bgpd.conf @@ -0,0 +1,27 @@ +! +ipv6 access-list nh1 permit 2001:db8:1::/64 +ipv6 access-list nh2 permit 2001:db8:2::/64 +ipv6 access-list nh3 permit 2001:db8:3::/64 +! +router bgp 65001 + bgp router-id 10.10.10.1 + no bgp ebgp-requires-policy + neighbor 2001:db8::2 remote-as external + address-family ipv6 unicast + neighbor 2001:db8::2 activate + neighbor 2001:db8::2 route-map r2 in + exit-address-family +! +route-map r2 permit 10 + match ipv6 next-hop nh1 + set community 65002:1 +route-map r2 permit 20 + match ipv6 next-hop nh2 + set community 65002:2 +route-map r2 permit 30 + match ipv6 next-hop nh3 + set community 65002:3 +route-map r2 permit 40 + match ipv6 next-hop address 2001:db8:4::1 + set community 65002:4 +! diff --git a/tests/topotests/bgp_route_map_match_ipv6_nexthop_access_list/r1/zebra.conf b/tests/topotests/bgp_route_map_match_ipv6_nexthop_access_list/r1/zebra.conf new file mode 100644 index 0000000000..1d4374bd8f --- /dev/null +++ b/tests/topotests/bgp_route_map_match_ipv6_nexthop_access_list/r1/zebra.conf @@ -0,0 +1,4 @@ +! +int r1-eth0 + ipv6 address 2001:db8::1/64 +! diff --git a/tests/topotests/bgp_route_map_match_ipv6_nexthop_access_list/r2/bgpd.conf b/tests/topotests/bgp_route_map_match_ipv6_nexthop_access_list/r2/bgpd.conf new file mode 100644 index 0000000000..bca67c5363 --- /dev/null +++ b/tests/topotests/bgp_route_map_match_ipv6_nexthop_access_list/r2/bgpd.conf @@ -0,0 +1,29 @@ +! +router bgp 65002 + bgp router-id 10.10.10.2 + no bgp ebgp-requires-policy + neighbor 2001:db8::1 remote-as external + address-family ipv6 unicast + redistribute connected + neighbor 2001:db8::1 activate + neighbor 2001:db8::1 route-map r1 out + exit-address-family +! +ipv6 prefix-list p1 permit 2001:db8:1::1/128 +ipv6 prefix-list p2 permit 2001:db8:2::1/128 +ipv6 prefix-list p3 permit 2001:db8:3::1/128 +ipv6 prefix-list p4 permit 2001:db8:4::1/128 +! +route-map r1 permit 10 + match ipv6 address prefix-list p1 + set ipv6 next-hop global 2001:db8:1::1 +route-map r1 permit 20 + match ipv6 address prefix-list p2 + set ipv6 next-hop global 2001:db8:2::1 +route-map r1 permit 30 + match ipv6 address prefix-list p3 + set ipv6 next-hop global 2001:db8:3::1 +route-map r1 permit 40 + match ipv6 address prefix-list p4 + set ipv6 next-hop global 2001:db8:4::1 +! diff --git a/tests/topotests/bgp_route_map_match_ipv6_nexthop_access_list/r2/zebra.conf b/tests/topotests/bgp_route_map_match_ipv6_nexthop_access_list/r2/zebra.conf new file mode 100644 index 0000000000..9039f1dec1 --- /dev/null +++ b/tests/topotests/bgp_route_map_match_ipv6_nexthop_access_list/r2/zebra.conf @@ -0,0 +1,10 @@ +! +int lo + ipv6 address 2001:db8:1::1/128 + ipv6 address 2001:db8:2::1/128 + ipv6 address 2001:db8:3::1/128 + ipv6 address 2001:db8:4::1/128 +! +int r2-eth0 + ip address 2001:db8::2/64 +! diff --git a/tests/topotests/bgp_route_map_match_ipv6_nexthop_access_list/test_bgp_route_map_match_ipv6_nexthop_access_list.py b/tests/topotests/bgp_route_map_match_ipv6_nexthop_access_list/test_bgp_route_map_match_ipv6_nexthop_access_list.py new file mode 100644 index 0000000000..3efe1eca76 --- /dev/null +++ b/tests/topotests/bgp_route_map_match_ipv6_nexthop_access_list/test_bgp_route_map_match_ipv6_nexthop_access_list.py @@ -0,0 +1,116 @@ +#!/usr/bin/env python + +# Copyright (c) 2021 by +# Donatas Abraitis +# +# Permission to use, copy, modify, and/or distribute this software +# for any purpose with or without fee is hereby granted, provided +# that the above copyright notice and this permission notice appear +# in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NETDEF DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NETDEF BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY +# DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, +# WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS +# ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE +# OF THIS SOFTWARE. +# + +""" +Test if we can match BGP prefixes by next-hop which is +specified by an IPv6 Access-list. +""" + +import os +import sys +import json +import pytest +import functools + +pytestmark = pytest.mark.bgpd + +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_route_map_match_ipv6_next_hop_access_list(): + tgen = get_topogen() + + if tgen.routers_have_failure(): + pytest.skip(tgen.errors) + + router = tgen.gears["r1"] + + def _bgp_converge(router): + output = json.loads(router.vtysh_cmd("show ipv6 route json")) + expected = { + "2001:db8:1::1/128": [ + { + "communities": "65002:1", + } + ], + "2001:db8:2::1/128": [ + { + "communities": "65002:2", + } + ], + "2001:db8:3::1/128": [ + { + "communities": "65002:3", + } + ], + "2001:db8:4::1/128": [ + { + "communities": "65002:4", + } + ], + } + return topotest.json_cmp(output, expected) + + test_func = functools.partial(_bgp_converge, router) + success, result = topotest.run_and_expect(test_func, None, count=60, wait=0.5) + assert result is None, "Can't match routes using ipv6 next-hop access-list" + + +if __name__ == "__main__": + args = ["-s"] + sys.argv[1:] + sys.exit(pytest.main(args)) -- 2.39.5