diff options
Diffstat (limited to '')
6 files changed, 156 insertions, 0 deletions
diff --git a/tests/topotests/bgp_route_map_delay_timer/__init__.py b/tests/topotests/bgp_route_map_delay_timer/__init__.py new file mode 100644 index 0000000..e69de29 --- /dev/null +++ b/tests/topotests/bgp_route_map_delay_timer/__init__.py diff --git a/tests/topotests/bgp_route_map_delay_timer/r1/bgpd.conf b/tests/topotests/bgp_route_map_delay_timer/r1/bgpd.conf new file mode 100644 index 0000000..04dc73a --- /dev/null +++ b/tests/topotests/bgp_route_map_delay_timer/r1/bgpd.conf @@ -0,0 +1,24 @@ +! +debug bgp updates +debug bgp neighbor +! +bgp route-map delay-timer 5 +! +router bgp 65001 + no bgp ebgp-requires-policy + no bgp network import-check + neighbor 192.168.1.2 remote-as external + address-family ipv4 unicast + network 10.10.10.1/32 + network 10.10.10.2/32 + network 10.10.10.3/32 + aggregate-address 10.10.10.0/24 summary-only + neighbor 192.168.1.2 unsuppress-map r2 + exit-address-family +! +ip prefix-list r1 seq 5 permit 10.10.10.1/32 +ip prefix-list r1 seq 10 permit 10.10.10.2/32 +! +route-map r2 permit 10 + match ip address prefix-list r1 +exit diff --git a/tests/topotests/bgp_route_map_delay_timer/r1/zebra.conf b/tests/topotests/bgp_route_map_delay_timer/r1/zebra.conf new file mode 100644 index 0000000..b29940f --- /dev/null +++ b/tests/topotests/bgp_route_map_delay_timer/r1/zebra.conf @@ -0,0 +1,4 @@ +! +int r1-eth0 + ip address 192.168.1.1/24 +! diff --git a/tests/topotests/bgp_route_map_delay_timer/r2/bgpd.conf b/tests/topotests/bgp_route_map_delay_timer/r2/bgpd.conf new file mode 100644 index 0000000..36653e6 --- /dev/null +++ b/tests/topotests/bgp_route_map_delay_timer/r2/bgpd.conf @@ -0,0 +1,4 @@ +router bgp 65002 + no bgp ebgp-requires-policy + neighbor 192.168.1.1 remote-as external +! diff --git a/tests/topotests/bgp_route_map_delay_timer/r2/zebra.conf b/tests/topotests/bgp_route_map_delay_timer/r2/zebra.conf new file mode 100644 index 0000000..cffe827 --- /dev/null +++ b/tests/topotests/bgp_route_map_delay_timer/r2/zebra.conf @@ -0,0 +1,4 @@ +! +int r2-eth0 + ip address 192.168.1.2/24 +! diff --git a/tests/topotests/bgp_route_map_delay_timer/test_bgp_route_map_delay_timer.py b/tests/topotests/bgp_route_map_delay_timer/test_bgp_route_map_delay_timer.py new file mode 100644 index 0000000..15a077d --- /dev/null +++ b/tests/topotests/bgp_route_map_delay_timer/test_bgp_route_map_delay_timer.py @@ -0,0 +1,120 @@ +#!/usr/bin/env python +# SPDX-License-Identifier: ISC + +# Copyright (c) 2023 by +# Donatas Abraitis <donatas@opensourcerouting.org> +# + +""" + +""" + +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 setup_module(mod): + topodef = {"s1": ("r1", "r2")} + tgen = Topogen(topodef, 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_delay_timer(): + tgen = get_topogen() + + if tgen.routers_have_failure(): + pytest.skip(tgen.errors) + + r1 = tgen.gears["r1"] + r2 = tgen.gears["r2"] + + def _bgp_converge_1(): + output = json.loads( + r1.vtysh_cmd( + "show bgp ipv4 unicast neighbor 192.168.1.2 advertised-routes json" + ) + ) + expected = { + "advertisedRoutes": { + "10.10.10.0/24": {}, + "10.10.10.1/32": {}, + "10.10.10.2/32": {}, + "10.10.10.3/32": None, + } + } + return topotest.json_cmp(output, expected) + + test_func = functools.partial(_bgp_converge_1) + _, result = topotest.run_and_expect(test_func, None, count=60, wait=0.5) + assert result is None, "10.10.10.3/32 should not be advertised to r2" + + # Set route-map delay-timer to max value and remove 10.10.10.2/32. + # After this, r1 MUST do not announce updates immediately, and wait + # 600 seconds before withdrawing 10.10.10.2/32. + r2.vtysh_cmd( + """ + configure terminal + bgp route-map delay-timer 600 + no ip prefix-list r1 seq 10 permit 10.10.10.2/32 + """ + ) + + def _bgp_converge_2(): + output = json.loads( + r1.vtysh_cmd( + "show bgp ipv4 unicast neighbor 192.168.1.2 advertised-routes json" + ) + ) + expected = { + "advertisedRoutes": { + "10.10.10.0/24": {}, + "10.10.10.1/32": {}, + "10.10.10.2/32": None, + "10.10.10.3/32": None, + } + } + return topotest.json_cmp(output, expected) + + # We are checking `not None` here to wait count*wait time and if we have different + # results than expected, it means good - 10.10.10.2/32 wasn't withdrawn immediately. + test_func = functools.partial(_bgp_converge_2) + _, result = topotest.run_and_expect(test_func, not None, count=60, wait=0.5) + assert ( + result is not None + ), "10.10.10.2/32 advertised, but should not be advertised to r2" + + +if __name__ == "__main__": + args = ["-s"] + sys.argv[1:] + sys.exit(pytest.main(args)) |