diff options
Diffstat (limited to 'tests/topotests/bgp_disable_addpath_rx')
10 files changed, 208 insertions, 0 deletions
diff --git a/tests/topotests/bgp_disable_addpath_rx/__init__.py b/tests/topotests/bgp_disable_addpath_rx/__init__.py new file mode 100644 index 0000000..e69de29 --- /dev/null +++ b/tests/topotests/bgp_disable_addpath_rx/__init__.py diff --git a/tests/topotests/bgp_disable_addpath_rx/r1/bgpd.conf b/tests/topotests/bgp_disable_addpath_rx/r1/bgpd.conf new file mode 100644 index 0000000..af1353e --- /dev/null +++ b/tests/topotests/bgp_disable_addpath_rx/r1/bgpd.conf @@ -0,0 +1,10 @@ +! +router bgp 65001 + timers 3 10 + no bgp ebgp-requires-policy + neighbor 192.168.1.2 remote-as external + neighbor 192.168.1.2 timers connect 5 + address-family ipv4 unicast + neighbor 192.168.1.2 disable-addpath-rx + exit-address-family +! diff --git a/tests/topotests/bgp_disable_addpath_rx/r1/zebra.conf b/tests/topotests/bgp_disable_addpath_rx/r1/zebra.conf new file mode 100644 index 0000000..b29940f --- /dev/null +++ b/tests/topotests/bgp_disable_addpath_rx/r1/zebra.conf @@ -0,0 +1,4 @@ +! +int r1-eth0 + ip address 192.168.1.1/24 +! diff --git a/tests/topotests/bgp_disable_addpath_rx/r2/bgpd.conf b/tests/topotests/bgp_disable_addpath_rx/r2/bgpd.conf new file mode 100644 index 0000000..db68e55 --- /dev/null +++ b/tests/topotests/bgp_disable_addpath_rx/r2/bgpd.conf @@ -0,0 +1,13 @@ +router bgp 65002 + timers 3 10 + no bgp ebgp-requires-policy + neighbor 192.168.1.1 remote-as external + neighbor 192.168.1.1 timers connect 5 + neighbor 192.168.2.3 remote-as external + neighbor 192.168.2.3 timers connect 5 + neighbor 192.168.2.4 remote-as external + neighbor 192.168.2.4 timers connect 5 + address-family ipv4 unicast + neighbor 192.168.1.1 addpath-tx-all-paths + exit-address-family +! diff --git a/tests/topotests/bgp_disable_addpath_rx/r2/zebra.conf b/tests/topotests/bgp_disable_addpath_rx/r2/zebra.conf new file mode 100644 index 0000000..e4a9074 --- /dev/null +++ b/tests/topotests/bgp_disable_addpath_rx/r2/zebra.conf @@ -0,0 +1,7 @@ +! +int r2-eth0 + ip address 192.168.1.2/24 +! +int r2-eth1 + ip address 192.168.2.2/24 +! diff --git a/tests/topotests/bgp_disable_addpath_rx/r3/bgpd.conf b/tests/topotests/bgp_disable_addpath_rx/r3/bgpd.conf new file mode 100644 index 0000000..3ac6a08 --- /dev/null +++ b/tests/topotests/bgp_disable_addpath_rx/r3/bgpd.conf @@ -0,0 +1,9 @@ +router bgp 65003 + timers 3 10 + no bgp ebgp-requires-policy + neighbor 192.168.2.2 remote-as external + neighbor 192.168.2.2 timers connect 5 + address-family ipv4 unicast + redistribute connected + exit-address-family +! diff --git a/tests/topotests/bgp_disable_addpath_rx/r3/zebra.conf b/tests/topotests/bgp_disable_addpath_rx/r3/zebra.conf new file mode 100644 index 0000000..417a484 --- /dev/null +++ b/tests/topotests/bgp_disable_addpath_rx/r3/zebra.conf @@ -0,0 +1,7 @@ +! +int lo + ip address 172.16.16.254/32 +! +int r3-eth0 + ip address 192.168.2.3/24 +! diff --git a/tests/topotests/bgp_disable_addpath_rx/r4/bgpd.conf b/tests/topotests/bgp_disable_addpath_rx/r4/bgpd.conf new file mode 100644 index 0000000..8ab405f --- /dev/null +++ b/tests/topotests/bgp_disable_addpath_rx/r4/bgpd.conf @@ -0,0 +1,9 @@ +router bgp 65004 + timers 3 10 + no bgp ebgp-requires-policy + neighbor 192.168.2.2 remote-as external + neighbor 192.168.2.2 timers connect 5 + address-family ipv4 unicast + redistribute connected + exit-address-family +! diff --git a/tests/topotests/bgp_disable_addpath_rx/r4/zebra.conf b/tests/topotests/bgp_disable_addpath_rx/r4/zebra.conf new file mode 100644 index 0000000..241e386 --- /dev/null +++ b/tests/topotests/bgp_disable_addpath_rx/r4/zebra.conf @@ -0,0 +1,7 @@ +! +int lo + ip address 172.16.16.254/32 +! +int r4-eth0 + ip address 192.168.2.4/24 +! diff --git a/tests/topotests/bgp_disable_addpath_rx/test_disable_addpath_rx.py b/tests/topotests/bgp_disable_addpath_rx/test_disable_addpath_rx.py new file mode 100644 index 0000000..ed88d5d --- /dev/null +++ b/tests/topotests/bgp_disable_addpath_rx/test_disable_addpath_rx.py @@ -0,0 +1,142 @@ +#!/usr/bin/env python + +# Copyright (c) 2021 by +# Donatas Abraitis <donatas.abraitis@gmail.com> +# +# 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 AddPath RX direction is not negotiated via AddPath capability. +""" + +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 +from lib.common_config import step + +pytestmark = [pytest.mark.bgpd] + + +def build_topo(tgen): + for routern in range(1, 5): + 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"]) + switch.add_link(tgen.gears["r4"]) + + +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_disable_addpath_rx(): + tgen = get_topogen() + + if tgen.routers_have_failure(): + pytest.skip(tgen.errors) + + r1 = tgen.gears["r1"] + r2 = tgen.gears["r2"] + + step( + "Check if r2 advertised only 2 paths to r1 (despite addpath-tx-all-paths enabled on r2)." + ) + + def check_bgp_advertised_routes(router): + output = json.loads( + router.vtysh_cmd( + "show bgp ipv4 unicast neighbor 192.168.1.1 advertised-routes json" + ) + ) + expected = { + "advertisedRoutes": { + "172.16.16.254/32": { + "addrPrefix": "172.16.16.254", + "prefixLen": 32, + }, + "192.168.2.0/24": { + "addrPrefix": "192.168.2.0", + "prefixLen": 24, + }, + }, + "totalPrefixCounter": 2, + } + + return topotest.json_cmp(output, expected) + + test_func = functools.partial(check_bgp_advertised_routes, r2) + success, result = topotest.run_and_expect(test_func, None, count=60, wait=0.5) + assert result is None, "AddPath TX not working." + + step("Check if AddPath RX is disabled on r1 and we receive only 2 paths.") + + def check_bgp_disabled_addpath_rx(router): + output = json.loads(router.vtysh_cmd("show bgp neighbor 192.168.1.2 json")) + expected = { + "192.168.1.2": { + "bgpState": "Established", + "neighborCapabilities": { + "addPath": { + "ipv4Unicast": {"txReceived": True, "rxReceived": True} + }, + }, + "addressFamilyInfo": {"ipv4Unicast": {"acceptedPrefixCounter": 2}}, + } + } + + return topotest.json_cmp(output, expected) + + test_func = functools.partial(check_bgp_disabled_addpath_rx, r1) + success, result = topotest.run_and_expect(test_func, None, count=60, wait=0.5) + assert result is None, "AddPath RX advertised, but should not." + + +if __name__ == "__main__": + args = ["-s"] + sys.argv[1:] + sys.exit(pytest.main(args)) |