diff options
Diffstat (limited to 'tests/topotests/bgp_addpath_paths_limit')
9 files changed, 255 insertions, 0 deletions
diff --git a/tests/topotests/bgp_addpath_paths_limit/__init__.py b/tests/topotests/bgp_addpath_paths_limit/__init__.py new file mode 100644 index 0000000..e69de29 --- /dev/null +++ b/tests/topotests/bgp_addpath_paths_limit/__init__.py diff --git a/tests/topotests/bgp_addpath_paths_limit/r1/frr.conf b/tests/topotests/bgp_addpath_paths_limit/r1/frr.conf new file mode 100644 index 0000000..65beb7f --- /dev/null +++ b/tests/topotests/bgp_addpath_paths_limit/r1/frr.conf @@ -0,0 +1,13 @@ +! +int r1-eth0 + ip address 192.168.1.1/24 +! +router bgp 65001 + timers bgp 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 addpath-rx-paths-limit 2 + exit-address-family +! diff --git a/tests/topotests/bgp_addpath_paths_limit/r2/frr.conf b/tests/topotests/bgp_addpath_paths_limit/r2/frr.conf new file mode 100644 index 0000000..796b4d0 --- /dev/null +++ b/tests/topotests/bgp_addpath_paths_limit/r2/frr.conf @@ -0,0 +1,37 @@ +! +int r2-eth0 + ip address 192.168.1.2/24 +! +int r2-eth1 + ip address 192.168.2.2/24 +! +int r2-eth2 + ip address 192.168.7.2/24 +! +router bgp 65002 + timers bgp 3 10 + no bgp ebgp-requires-policy + neighbor 192.168.1.1 remote-as external + neighbor 192.168.7.7 remote-as external + neighbor 192.168.7.7 timers connect 5 + neighbor 192.168.2.3 remote-as external + neighbor 192.168.2.3 timers connect 5 + neighbor 192.168.2.3 weight 3 + neighbor 192.168.2.4 remote-as external + neighbor 192.168.2.4 timers connect 5 + neighbor 192.168.2.4 weight 4 + neighbor 192.168.2.5 remote-as external + neighbor 192.168.2.5 timers connect 5 + neighbor 192.168.2.5 weight 5 + neighbor 192.168.2.6 remote-as external + neighbor 192.168.2.6 timers connect 5 + neighbor 192.168.2.6 weight 6 + address-family ipv4 unicast + neighbor 192.168.1.1 addpath-tx-all-paths + neighbor 192.168.1.1 prefix-list announce out + neighbor 192.168.7.7 addpath-tx-all-paths + neighbor 192.168.7.7 prefix-list announce out + exit-address-family +! +ip prefix-list announce seq 5 permit 172.16.16.254/32 +! diff --git a/tests/topotests/bgp_addpath_paths_limit/r3/frr.conf b/tests/topotests/bgp_addpath_paths_limit/r3/frr.conf new file mode 100644 index 0000000..4d834d3 --- /dev/null +++ b/tests/topotests/bgp_addpath_paths_limit/r3/frr.conf @@ -0,0 +1,16 @@ +! +int lo + ip address 172.16.16.254/32 +! +int r3-eth0 + ip address 192.168.2.3/24 +! +router bgp 65003 + timers bgp 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_addpath_paths_limit/r4/frr.conf b/tests/topotests/bgp_addpath_paths_limit/r4/frr.conf new file mode 100644 index 0000000..01e0aa9 --- /dev/null +++ b/tests/topotests/bgp_addpath_paths_limit/r4/frr.conf @@ -0,0 +1,16 @@ +! +int lo + ip address 172.16.16.254/32 +! +int r4-eth0 + ip address 192.168.2.4/24 +! +router bgp 65004 + timers bgp 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_addpath_paths_limit/r5/frr.conf b/tests/topotests/bgp_addpath_paths_limit/r5/frr.conf new file mode 100644 index 0000000..02bb847 --- /dev/null +++ b/tests/topotests/bgp_addpath_paths_limit/r5/frr.conf @@ -0,0 +1,16 @@ +! +int lo + ip address 172.16.16.254/32 +! +int r5-eth0 + ip address 192.168.2.5/24 +! +router bgp 65005 + timers bgp 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_addpath_paths_limit/r6/frr.conf b/tests/topotests/bgp_addpath_paths_limit/r6/frr.conf new file mode 100644 index 0000000..39fdbcc --- /dev/null +++ b/tests/topotests/bgp_addpath_paths_limit/r6/frr.conf @@ -0,0 +1,16 @@ +! +int lo + ip address 172.16.16.254/32 +! +int r6-eth0 + ip address 192.168.2.6/24 +! +router bgp 65006 + timers bgp 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_addpath_paths_limit/r7/frr.conf b/tests/topotests/bgp_addpath_paths_limit/r7/frr.conf new file mode 100644 index 0000000..8c44566 --- /dev/null +++ b/tests/topotests/bgp_addpath_paths_limit/r7/frr.conf @@ -0,0 +1,13 @@ +! +int r7-eth0 + ip address 192.168.7.7/24 +! +router bgp 65007 + timers bgp 3 10 + no bgp ebgp-requires-policy + neighbor 192.168.7.2 remote-as external + neighbor 192.168.7.2 timers connect 5 + address-family ipv4 unicast + neighbor 192.168.7.2 addpath-rx-paths-limit 3 + exit-address-family +! diff --git a/tests/topotests/bgp_addpath_paths_limit/test_bgp_addpath_paths_limit.py b/tests/topotests/bgp_addpath_paths_limit/test_bgp_addpath_paths_limit.py new file mode 100644 index 0000000..b7a1cfb --- /dev/null +++ b/tests/topotests/bgp_addpath_paths_limit/test_bgp_addpath_paths_limit.py @@ -0,0 +1,128 @@ +#!/usr/bin/env python +# SPDX-License-Identifier: ISC + +# Copyright (c) 2024 by +# Donatas Abraitis <donatas@opensourcerouting.org> +# + +""" +Test if Paths-Limit capability works as expected. +""" + +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 + +pytestmark = [pytest.mark.bgpd] + + +def build_topo(tgen): + for routern in range(1, 8): + 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"]) + switch.add_link(tgen.gears["r5"]) + switch.add_link(tgen.gears["r6"]) + + switch = tgen.add_switch("s3") + switch.add_link(tgen.gears["r7"]) + switch.add_link(tgen.gears["r2"]) + + +def setup_module(mod): + tgen = Topogen(build_topo, mod.__name__) + tgen.start_topology() + + router_list = tgen.routers() + + for _, (rname, router) in enumerate(router_list.items(), 1): + router.load_frr_config(os.path.join(CWD, "{}/frr.conf".format(rname))) + + tgen.start_router() + + +def teardown_module(mod): + tgen = get_topogen() + tgen.stop_topology() + + +def test_bgp_addpath_paths_limit(): + tgen = get_topogen() + + if tgen.routers_have_failure(): + pytest.skip(tgen.errors) + + r1 = tgen.gears["r1"] + r2 = tgen.gears["r2"] + r7 = tgen.gears["r7"] + + def _bgp_converge(): + output = json.loads(r2.vtysh_cmd("show bgp neighbor json")) + expected = { + "192.168.7.7": { + "neighborCapabilities": { + "pathsLimit": { + "ipv4Unicast": { + "advertisedAndReceived": True, + "advertisedPathsLimit": 0, + "receivedPathsLimit": 3, + } + } + } + }, + "192.168.1.1": { + "neighborCapabilities": { + "pathsLimit": { + "ipv4Unicast": { + "advertisedAndReceived": True, + "advertisedPathsLimit": 0, + "receivedPathsLimit": 2, + } + } + } + }, + } + return topotest.json_cmp(output, expected) + + test_func = functools.partial(_bgp_converge) + _, result = topotest.run_and_expect(test_func, None, count=30, wait=1) + assert result is None, "Can't converge initially" + + def _bgp_check_received_routes(router, expected): + output = json.loads( + router.vtysh_cmd("show bgp ipv4 unicast 172.16.16.254/32 json") + ) + + if "paths" not in output: + return "No paths received" + + return topotest.json_cmp(len(output["paths"]), expected) + + test_func = functools.partial(_bgp_check_received_routes, r1, 2) + _, result = topotest.run_and_expect(test_func, None, count=30, wait=1) + assert result is None, "Received routes count is not as expected" + + test_func = functools.partial(_bgp_check_received_routes, r7, 3) + _, result = topotest.run_and_expect(test_func, None, count=30, wait=1) + assert result is None, "Received routes count is not as expected" + + +if __name__ == "__main__": + args = ["-s"] + sys.argv[1:] + sys.exit(pytest.main(args)) |