diff options
Diffstat (limited to 'tests/topotests/bgp_dynamic_capability/test_bgp_dynamic_capability_orf.py')
| -rw-r--r-- | tests/topotests/bgp_dynamic_capability/test_bgp_dynamic_capability_orf.py | 223 |
1 files changed, 223 insertions, 0 deletions
diff --git a/tests/topotests/bgp_dynamic_capability/test_bgp_dynamic_capability_orf.py b/tests/topotests/bgp_dynamic_capability/test_bgp_dynamic_capability_orf.py new file mode 100644 index 0000000..ba95bd1 --- /dev/null +++ b/tests/topotests/bgp_dynamic_capability/test_bgp_dynamic_capability_orf.py @@ -0,0 +1,223 @@ +#!/usr/bin/env python +# SPDX-License-Identifier: ISC + +# Copyright (c) 2023 by +# Donatas Abraitis <donatas@opensourcerouting.org> +# + +""" +Test if ORF capability is adjusted dynamically. +""" + +import os +import re +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 +from lib.common_config import step + +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 _, (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_dynamic_capability_orf(): + tgen = get_topogen() + + if tgen.routers_have_failure(): + pytest.skip(tgen.errors) + + r1 = tgen.gears["r1"] + r2 = tgen.gears["r2"] + + def _bgp_converge(): + output = json.loads(r1.vtysh_cmd("show bgp neighbor json")) + expected = { + "192.168.1.2": { + "bgpState": "Established", + "neighborCapabilities": { + "dynamic": "advertisedAndReceived", + }, + "addressFamilyInfo": { + "ipv4Unicast": { + "acceptedPrefixCounter": 3, + } + }, + } + } + 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" + + step( + "Apply incoming prefix-list to r1 and check if we advertise only 10.10.10.20/32 from r2" + ) + + # Clear message stats to check if we receive a notification or not after we + # enable ORF capability. + r1.vtysh_cmd("clear bgp 192.168.1.2 message-stats") + r1.vtysh_cmd( + """ + configure terminal + router bgp + address-family ipv4 unicast + neighbor 192.168.1.2 prefix-list r2 in + neighbor 192.168.1.2 capability orf prefix-list both + """ + ) + + r2.vtysh_cmd( + """ + configure terminal + router bgp + address-family ipv4 unicast + neighbor 192.168.1.1 capability orf prefix-list both + """ + ) + + def _bgp_check_if_session_not_reset(): + output = json.loads(r1.vtysh_cmd("show bgp neighbor json")) + expected = { + "192.168.1.2": { + "bgpState": "Established", + "neighborCapabilities": { + "dynamic": "advertisedAndReceived", + }, + "messageStats": { + "notificationsRecv": 0, + "notificationsSent": 0, + "capabilityRecv": 1, + "capabilitySent": 1, + }, + "addressFamilyInfo": { + "ipv4Unicast": { + "acceptedPrefixCounter": 1, + "afDependentCap": { + "orfPrefixList": { + "sendMode": "advertisedAndReceived", + "recvMode": "advertisedAndReceived", + } + }, + "incomingUpdatePrefixFilterList": "r2", + } + }, + } + } + return topotest.json_cmp(output, expected) + + test_func = functools.partial( + _bgp_check_if_session_not_reset, + ) + _, result = topotest.run_and_expect(test_func, None, count=30, wait=1) + assert result is None, "Session was reset after setting up ORF capability" + + r1.vtysh_cmd( + """ + configure terminal + ip prefix-list r2 seq 5 permit 10.10.10.20/32 + """ + ) + + def _bgp_check_if_we_send_correct_prefix(): + output = json.loads( + r2.vtysh_cmd( + "show bgp ipv4 unicast neighbors 192.168.1.1 advertised-routes json" + ) + ) + expected = { + "advertisedRoutes": { + "10.10.10.20/32": { + "valid": True, + }, + }, + "totalPrefixCounter": 1, + } + return topotest.json_cmp(output, expected) + + test_func = functools.partial( + _bgp_check_if_we_send_correct_prefix, + ) + _, result = topotest.run_and_expect(test_func, None, count=30, wait=1) + assert ( + result is None + ), "Only 10.10.10.20/32 SHOULD be advertised due to ORF filtering" + + # Clear message stats to check if we receive a notification or not after we + # disable ORF capability. + r1.vtysh_cmd("clear bgp 192.168.1.2 message-stats") + r1.vtysh_cmd( + """ + configure terminal + router bgp + address-family ipv4 unicast + no neighbor 192.168.1.2 capability orf prefix-list both + """ + ) + + def _bgp_check_if_orf_capability_is_absent(): + output = json.loads(r1.vtysh_cmd("show bgp neighbor json")) + expected = { + "192.168.1.2": { + "bgpState": "Established", + "neighborCapabilities": { + "dynamic": "advertisedAndReceived", + }, + "messageStats": { + "notificationsRecv": 0, + "notificationsSent": 0, + }, + "addressFamilyInfo": { + "ipv4Unicast": { + "acceptedPrefixCounter": 1, + "afDependentCap": { + "orfPrefixList": { + "sendMode": "received", + "recvMode": "received", + } + }, + } + }, + } + } + return topotest.json_cmp(output, expected) + + test_func = functools.partial( + _bgp_check_if_orf_capability_is_absent, + ) + _, result = topotest.run_and_expect(test_func, None, count=30, wait=1) + assert result is None, "Failed to disable ORF capability" + + +if __name__ == "__main__": + args = ["-s"] + sys.argv[1:] + sys.exit(pytest.main(args)) |