diff options
Diffstat (limited to 'tests/topotests/bgp_software_version')
6 files changed, 121 insertions, 0 deletions
diff --git a/tests/topotests/bgp_software_version/__init__.py b/tests/topotests/bgp_software_version/__init__.py new file mode 100644 index 0000000..e69de29 --- /dev/null +++ b/tests/topotests/bgp_software_version/__init__.py diff --git a/tests/topotests/bgp_software_version/r1/bgpd.conf b/tests/topotests/bgp_software_version/r1/bgpd.conf new file mode 100644 index 0000000..42d15f7 --- /dev/null +++ b/tests/topotests/bgp_software_version/r1/bgpd.conf @@ -0,0 +1,8 @@ +! +router bgp 65001 + no bgp ebgp-requires-policy + bgp default software-version-capability + neighbor 192.168.1.2 remote-as external + neighbor 192.168.1.2 timers 1 3 + neighbor 192.168.1.2 timers connect 1 +! diff --git a/tests/topotests/bgp_software_version/r1/zebra.conf b/tests/topotests/bgp_software_version/r1/zebra.conf new file mode 100644 index 0000000..b29940f --- /dev/null +++ b/tests/topotests/bgp_software_version/r1/zebra.conf @@ -0,0 +1,4 @@ +! +int r1-eth0 + ip address 192.168.1.1/24 +! diff --git a/tests/topotests/bgp_software_version/r2/bgpd.conf b/tests/topotests/bgp_software_version/r2/bgpd.conf new file mode 100644 index 0000000..c8ab017 --- /dev/null +++ b/tests/topotests/bgp_software_version/r2/bgpd.conf @@ -0,0 +1,7 @@ +router bgp 65002 + no bgp ebgp-requires-policy + neighbor 192.168.1.1 remote-as external + neighbor 192.168.1.1 timers 1 3 + neighbor 192.168.1.1 timers connect 1 + neighbor 192.168.1.1 capability software-version +! diff --git a/tests/topotests/bgp_software_version/r2/zebra.conf b/tests/topotests/bgp_software_version/r2/zebra.conf new file mode 100644 index 0000000..cffe827 --- /dev/null +++ b/tests/topotests/bgp_software_version/r2/zebra.conf @@ -0,0 +1,4 @@ +! +int r2-eth0 + ip address 192.168.1.2/24 +! diff --git a/tests/topotests/bgp_software_version/test_bgp_software_version.py b/tests/topotests/bgp_software_version/test_bgp_software_version.py new file mode 100644 index 0000000..25e646c --- /dev/null +++ b/tests/topotests/bgp_software_version/test_bgp_software_version.py @@ -0,0 +1,98 @@ +#!/usr/bin/env python +# SPDX-License-Identifier: ISC + +# Copyright (c) 2022 by +# Donatas Abraitis <donatas@opensourcerouting.org> +# + +""" +Test if Software Version capability works if forced with a knob. +Reference: https://datatracker.ietf.org/doc/html/draft-abraitis-bgp-version-capability +""" + +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 + +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_software_version(): + tgen = get_topogen() + + if tgen.routers_have_failure(): + pytest.skip(tgen.errors) + + r1 = tgen.gears["r1"] + + def _bgp_converge(): + output = json.loads(r1.vtysh_cmd("show bgp summary json")) + expected = {"ipv4Unicast": {"peers": {"192.168.1.2": {"state": "Established"}}}} + return topotest.json_cmp(output, expected) + + test_func = functools.partial( + _bgp_converge, + ) + _, result = topotest.run_and_expect(test_func, None, count=60, wait=0.5) + assert result is None, "Can't converge" + + def _bgp_check_software_version(): + output = json.loads(r1.vtysh_cmd("show bgp neighbor 192.168.1.2 json")) + + try: + versions = output["192.168.1.2"]["neighborCapabilities"]["softwareVersion"] + adv = versions["advertisedSoftwareVersion"] + rcv = versions["receivedSoftwareVersion"] + + if not adv and not rcv: + return False + + pattern = "^FRRouting/\\d.+" + if re.search(pattern, adv) and re.search(pattern, rcv): + return True + except: + return False + + return False + + assert _bgp_check_software_version(), "Neighbor's software version is n/a" + + +if __name__ == "__main__": + args = ["-s"] + sys.argv[1:] + sys.exit(pytest.main(args)) |