From: Donatas Abraitis Date: Mon, 15 Nov 2021 07:11:43 +0000 (+0200) Subject: tests: Check if we are sending IPV6 GUA for route-server-client peers X-Git-Tag: base_8.2~177^2 X-Git-Url: https://git.puffer.fish/?a=commitdiff_plain;h=refs%2Fpull%2F10057%2Fhead;p=mirror%2Ffrr.git tests: Check if we are sending IPV6 GUA for route-server-client peers Signed-off-by: Donatas Abraitis --- diff --git a/tests/topotests/bgp_route_server_client/__init__.py b/tests/topotests/bgp_route_server_client/__init__.py new file mode 100644 index 0000000000..e69de29bb2 diff --git a/tests/topotests/bgp_route_server_client/r1/bgpd.conf b/tests/topotests/bgp_route_server_client/r1/bgpd.conf new file mode 100644 index 0000000000..af05e49bfa --- /dev/null +++ b/tests/topotests/bgp_route_server_client/r1/bgpd.conf @@ -0,0 +1,10 @@ +! +router bgp 65001 + bgp router-id 10.10.10.1 + no bgp ebgp-requires-policy + neighbor 2001:db8:1::1 remote-as external + address-family ipv6 unicast + redistribute connected + neighbor 2001:db8:1::1 activate + exit-address-family +! diff --git a/tests/topotests/bgp_route_server_client/r1/zebra.conf b/tests/topotests/bgp_route_server_client/r1/zebra.conf new file mode 100644 index 0000000000..08d0be6220 --- /dev/null +++ b/tests/topotests/bgp_route_server_client/r1/zebra.conf @@ -0,0 +1,7 @@ +! +int lo + ipv6 address 2001:db8:f::1/128 +! +int r1-eth0 + ipv6 address 2001:db8:1::2/64 +! diff --git a/tests/topotests/bgp_route_server_client/r2/bgpd.conf b/tests/topotests/bgp_route_server_client/r2/bgpd.conf new file mode 100644 index 0000000000..6ad7fdf06c --- /dev/null +++ b/tests/topotests/bgp_route_server_client/r2/bgpd.conf @@ -0,0 +1,13 @@ +router bgp 65000 view RS + bgp router-id 10.10.10.2 + no bgp ebgp-requires-policy + neighbor 2001:db8:1::2 remote-as external + neighbor 2001:db8:3::2 remote-as external + address-family ipv6 unicast + redistribute connected + neighbor 2001:db8:1::2 activate + neighbor 2001:db8:3::2 activate + neighbor 2001:db8:1::2 route-server-client + neighbor 2001:db8:3::2 route-server-client + exit-address-family +! diff --git a/tests/topotests/bgp_route_server_client/r2/zebra.conf b/tests/topotests/bgp_route_server_client/r2/zebra.conf new file mode 100644 index 0000000000..806bc4fe32 --- /dev/null +++ b/tests/topotests/bgp_route_server_client/r2/zebra.conf @@ -0,0 +1,7 @@ +! +int r2-eth0 + ipv6 address 2001:db8:1::1/64 +! +int r2-eth1 + ipv6 address 2001:db8:3::1/64 +! diff --git a/tests/topotests/bgp_route_server_client/r3/bgpd.conf b/tests/topotests/bgp_route_server_client/r3/bgpd.conf new file mode 100644 index 0000000000..ea1f73a5dc --- /dev/null +++ b/tests/topotests/bgp_route_server_client/r3/bgpd.conf @@ -0,0 +1,10 @@ +! +router bgp 65003 + bgp router-id 10.10.10.3 + no bgp ebgp-requires-policy + neighbor 2001:db8:3::1 remote-as external + address-family ipv6 unicast + redistribute connected + neighbor 2001:db8:3::1 activate + exit-address-family +! diff --git a/tests/topotests/bgp_route_server_client/r3/zebra.conf b/tests/topotests/bgp_route_server_client/r3/zebra.conf new file mode 100644 index 0000000000..b5511a437c --- /dev/null +++ b/tests/topotests/bgp_route_server_client/r3/zebra.conf @@ -0,0 +1,7 @@ +! +int lo + ipv6 address 2001:db8:f::3/128 +! +int r3-eth0 + ipv6 address 2001:db8:3::2/64 +! diff --git a/tests/topotests/bgp_route_server_client/test_bgp_route_server_client.py b/tests/topotests/bgp_route_server_client/test_bgp_route_server_client.py new file mode 100644 index 0000000000..c11bc119eb --- /dev/null +++ b/tests/topotests/bgp_route_server_client/test_bgp_route_server_client.py @@ -0,0 +1,134 @@ +#!/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 send ONLY GUA address for route-server-client peers. +""" + +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, 4): + tgen.add_router("r{}".format(routern)) + + switch = tgen.add_switch("s1") + switch.add_link(tgen.gears["r1"]) + switch.add_link(tgen.gears["r2"]) + + switch = tgen.add_switch("s2") + switch.add_link(tgen.gears["r2"]) + switch.add_link(tgen.gears["r3"]) + + +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_server_client(): + tgen = get_topogen() + + if tgen.routers_have_failure(): + pytest.skip(tgen.errors) + + r1 = tgen.gears["r1"] + r2 = tgen.gears["r2"] + + def _bgp_converge(router): + output = json.loads(router.vtysh_cmd("show bgp 2001:db8:f::3/128 json")) + expected = { + "prefix": "2001:db8:f::3/128", + "paths": [{"nexthops": [{"ip": "2001:db8:3::2"}]}], + } + return topotest.json_cmp(output, expected) + + test_func = functools.partial(_bgp_converge, r1) + _, result = topotest.run_and_expect(test_func, None, count=60, wait=0.5) + assert result is None, "Cannot see BGP GUA next hop from r3 in r1" + + def _bgp_single_next_hop(router): + output = json.loads(router.vtysh_cmd("show bgp 2001:db8:f::3/128 json")) + return len(output["paths"][0]["nexthops"]) + + assert ( + _bgp_single_next_hop(r1) == 1 + ), "Not ONLY one Next Hop received for 2001:db8:f::3/128" + + def _bgp_gua_lla_next_hop(router): + output = json.loads(router.vtysh_cmd("show bgp view RS 2001:db8:f::3/128 json")) + expected = { + "prefix": "2001:db8:f::3/128", + "paths": [ + { + "nexthops": [ + { + "ip": "2001:db8:3::2", + "hostname": "r3", + "afi": "ipv6", + "scope": "global", + }, + {"hostname": "r3", "afi": "ipv6", "scope": "link-local"}, + ] + } + ], + } + return topotest.json_cmp(output, expected) + + test_func = functools.partial(_bgp_gua_lla_next_hop, r2) + _, result = topotest.run_and_expect(test_func, None, count=60, wait=0.5) + assert result is None, "Cannot see BGP LLA next hop from r3 in r2" + + +if __name__ == "__main__": + args = ["-s"] + sys.argv[1:] + sys.exit(pytest.main(args))