From bd941b7a6f88406142a1514365a116a127691cdc Mon Sep 17 00:00:00 2001 From: Donatas Abraitis Date: Wed, 18 Aug 2021 13:30:05 +0300 Subject: [PATCH] tests: Test if `set extcommunity none` works for route-maps Signed-off-by: Donatas Abraitis --- .../bgp_rmap_extcommunity_none/__init__.py | 0 .../bgp_rmap_extcommunity_none/r1/bgpd.conf | 8 + .../bgp_rmap_extcommunity_none/r1/zebra.conf | 4 + .../bgp_rmap_extcommunity_none/r2/bgpd.conf | 12 ++ .../bgp_rmap_extcommunity_none/r2/zebra.conf | 7 + .../test_bgp_rmap_extcommunity_none.py | 141 ++++++++++++++++++ 6 files changed, 172 insertions(+) create mode 100644 tests/topotests/bgp_rmap_extcommunity_none/__init__.py create mode 100644 tests/topotests/bgp_rmap_extcommunity_none/r1/bgpd.conf create mode 100644 tests/topotests/bgp_rmap_extcommunity_none/r1/zebra.conf create mode 100644 tests/topotests/bgp_rmap_extcommunity_none/r2/bgpd.conf create mode 100644 tests/topotests/bgp_rmap_extcommunity_none/r2/zebra.conf create mode 100644 tests/topotests/bgp_rmap_extcommunity_none/test_bgp_rmap_extcommunity_none.py diff --git a/tests/topotests/bgp_rmap_extcommunity_none/__init__.py b/tests/topotests/bgp_rmap_extcommunity_none/__init__.py new file mode 100644 index 0000000000..e69de29bb2 diff --git a/tests/topotests/bgp_rmap_extcommunity_none/r1/bgpd.conf b/tests/topotests/bgp_rmap_extcommunity_none/r1/bgpd.conf new file mode 100644 index 0000000000..8ccdf9c4b6 --- /dev/null +++ b/tests/topotests/bgp_rmap_extcommunity_none/r1/bgpd.conf @@ -0,0 +1,8 @@ +! +router bgp 65001 + no bgp ebgp-requires-policy + neighbor 192.168.1.2 remote-as external +! +route-map r2 permit 10 + set extcommunity none +! diff --git a/tests/topotests/bgp_rmap_extcommunity_none/r1/zebra.conf b/tests/topotests/bgp_rmap_extcommunity_none/r1/zebra.conf new file mode 100644 index 0000000000..b29940f46a --- /dev/null +++ b/tests/topotests/bgp_rmap_extcommunity_none/r1/zebra.conf @@ -0,0 +1,4 @@ +! +int r1-eth0 + ip address 192.168.1.1/24 +! diff --git a/tests/topotests/bgp_rmap_extcommunity_none/r2/bgpd.conf b/tests/topotests/bgp_rmap_extcommunity_none/r2/bgpd.conf new file mode 100644 index 0000000000..9d5807847d --- /dev/null +++ b/tests/topotests/bgp_rmap_extcommunity_none/r2/bgpd.conf @@ -0,0 +1,12 @@ +router bgp 65002 + no bgp ebgp-requires-policy + neighbor 192.168.1.1 remote-as external + address-family ipv4 unicast + redistribute connected + neighbor 192.168.1.1 route-map r1 out + exit-address-family +! +route-map r1 permit 10 + set community 123:123 + set extcommunity bandwidth 200 +! diff --git a/tests/topotests/bgp_rmap_extcommunity_none/r2/zebra.conf b/tests/topotests/bgp_rmap_extcommunity_none/r2/zebra.conf new file mode 100644 index 0000000000..dc15cf756a --- /dev/null +++ b/tests/topotests/bgp_rmap_extcommunity_none/r2/zebra.conf @@ -0,0 +1,7 @@ +! +int lo + ip address 172.16.16.1/32 +! +int r2-eth0 + ip address 192.168.1.2/24 +! diff --git a/tests/topotests/bgp_rmap_extcommunity_none/test_bgp_rmap_extcommunity_none.py b/tests/topotests/bgp_rmap_extcommunity_none/test_bgp_rmap_extcommunity_none.py new file mode 100644 index 0000000000..3c11ba74c1 --- /dev/null +++ b/tests/topotests/bgp_rmap_extcommunity_none/test_bgp_rmap_extcommunity_none.py @@ -0,0 +1,141 @@ +#!/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 route-map extcommunity none works: + +route-map permit 10 + set extcommunity none +""" + +import os +import sys +import json +import time +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 +from lib.topolog import logger +from mininet.topo import Topo + +pytestmark = [pytest.mark.bgpd] + + +class TemplateTopo(Topo): + def build(self, *_args, **_opts): + tgen = get_topogen(self) + + 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(TemplateTopo, 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_extcommunity_none(): + 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 bgp ipv4 unicast 172.16.16.1/32 json") + ) + expected = { + "prefix": "172.16.16.1/32", + "paths": [ + { + "community": { + "string": "123:123", + }, + "extendedCommunity": {"string": "LB:65002:25000000 (200.000 Mbps)"}, + } + ], + } + + 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, "BGP Converge failed" + + def _bgp_extcommunity_strip(router): + router.vtysh_cmd( + "conf t\nrouter bgp 65001\naddress-family ipv4\nneighbor 192.168.1.2 route-map r2 in" + ) + output = json.loads( + router.vtysh_cmd("show bgp ipv4 unicast 172.16.16.1/32 json") + ) + expected = { + "prefix": "172.16.16.1/32", + "paths": [ + { + "community": { + "string": "123:123", + }, + "extendedCommunity": None, + } + ], + } + + return topotest.json_cmp(output, expected) + + test_func = functools.partial(_bgp_extcommunity_strip, router) + success, result = topotest.run_and_expect(test_func, None, count=60, wait=0.5) + assert result is None, "Failed to strip incoming extended communities from r2" + + +if __name__ == "__main__": + args = ["-s"] + sys.argv[1:] + sys.exit(pytest.main(args)) -- 2.39.5