From 811741882400706886d61ac996016f87de93121f Mon Sep 17 00:00:00 2001 From: Donatas Abraitis Date: Fri, 17 Jan 2020 16:10:01 +0200 Subject: [PATCH] tests: Add test for `neighbor maximum-prefix-out ` Signed-off-by: Donatas Abraitis --- .../bgp_maximum_prefix_out/__init__.py | 0 .../bgp_maximum_prefix_out/r1/bgpd.conf | 9 ++ .../bgp_maximum_prefix_out/r1/zebra.conf | 13 +++ .../bgp_maximum_prefix_out/r2/bgpd.conf | 6 + .../bgp_maximum_prefix_out/r2/zebra.conf | 6 + .../test_bgp_maximum_prefix_out.py | 108 ++++++++++++++++++ 6 files changed, 142 insertions(+) create mode 100644 tests/topotests/bgp_maximum_prefix_out/__init__.py create mode 100644 tests/topotests/bgp_maximum_prefix_out/r1/bgpd.conf create mode 100644 tests/topotests/bgp_maximum_prefix_out/r1/zebra.conf create mode 100644 tests/topotests/bgp_maximum_prefix_out/r2/bgpd.conf create mode 100644 tests/topotests/bgp_maximum_prefix_out/r2/zebra.conf create mode 100644 tests/topotests/bgp_maximum_prefix_out/test_bgp_maximum_prefix_out.py diff --git a/tests/topotests/bgp_maximum_prefix_out/__init__.py b/tests/topotests/bgp_maximum_prefix_out/__init__.py new file mode 100644 index 0000000000..e69de29bb2 diff --git a/tests/topotests/bgp_maximum_prefix_out/r1/bgpd.conf b/tests/topotests/bgp_maximum_prefix_out/r1/bgpd.conf new file mode 100644 index 0000000000..9a68809631 --- /dev/null +++ b/tests/topotests/bgp_maximum_prefix_out/r1/bgpd.conf @@ -0,0 +1,9 @@ +! +router bgp 65001 + neighbor 192.168.255.1 remote-as 65002 + address-family ipv4 unicast + redistribute connected + neighbor 192.168.255.1 maximum-prefix-out 2 + exit-address-family + ! +! diff --git a/tests/topotests/bgp_maximum_prefix_out/r1/zebra.conf b/tests/topotests/bgp_maximum_prefix_out/r1/zebra.conf new file mode 100644 index 0000000000..24162258b7 --- /dev/null +++ b/tests/topotests/bgp_maximum_prefix_out/r1/zebra.conf @@ -0,0 +1,13 @@ +! +interface lo + ip address 172.16.255.250/32 + ip address 172.16.255.251/32 + ip address 172.16.255.252/32 + ip address 172.16.255.253/32 + ip address 172.16.255.254/32 +! +interface r1-eth0 + ip address 192.168.255.2/30 +! +ip forwarding +! diff --git a/tests/topotests/bgp_maximum_prefix_out/r2/bgpd.conf b/tests/topotests/bgp_maximum_prefix_out/r2/bgpd.conf new file mode 100644 index 0000000000..1659c4bec4 --- /dev/null +++ b/tests/topotests/bgp_maximum_prefix_out/r2/bgpd.conf @@ -0,0 +1,6 @@ +! +router bgp 65002 + neighbor 192.168.255.2 remote-as 65001 + exit-address-family + ! +! diff --git a/tests/topotests/bgp_maximum_prefix_out/r2/zebra.conf b/tests/topotests/bgp_maximum_prefix_out/r2/zebra.conf new file mode 100644 index 0000000000..08dd374dee --- /dev/null +++ b/tests/topotests/bgp_maximum_prefix_out/r2/zebra.conf @@ -0,0 +1,6 @@ +! +interface r2-eth0 + ip address 192.168.255.1/30 +! +ip forwarding +! diff --git a/tests/topotests/bgp_maximum_prefix_out/test_bgp_maximum_prefix_out.py b/tests/topotests/bgp_maximum_prefix_out/test_bgp_maximum_prefix_out.py new file mode 100644 index 0000000000..d77aa5aff2 --- /dev/null +++ b/tests/topotests/bgp_maximum_prefix_out/test_bgp_maximum_prefix_out.py @@ -0,0 +1,108 @@ +#!/usr/bin/env python + +# +# test_bgp_maximum_prefix_out.py +# Part of NetDEF Topology Tests +# +# Copyright (c) 2020 by +# Donatas Abraitis +# +# 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 `neighbor maximum-prefix-out ` is working +correctly. +""" + +import os +import sys +import json +import time +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.topolog import logger +from mininet.topo import Topo + +class TemplateTopo(Topo): + def build(self, *_args, **_opts): + tgen = get_topogen(self) + + for routern in range(1, 3): + tgen.add_router('r{}'.format(routern)) + + switch = tgen.add_switch('s1') + switch.add_link(tgen.gears['r1']) + switch.add_link(tgen.gears['r2']) + +def setup_module(mod): + tgen = Topogen(TemplateTopo, mod.__name__) + tgen.start_topology() + + router_list = tgen.routers() + + for i, (rname, router) in enumerate(router_list.iteritems(), 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_maximum_prefix_out(): + tgen = get_topogen() + + if tgen.routers_have_failure(): + pytest.skip(tgen.errors) + + router = tgen.gears['r2'] + + def _bgp_converge(router): + output = json.loads(router.vtysh_cmd("show ip bgp neighbor 192.168.255.2 json")) + expected = { + '192.168.255.2': { + 'bgpState': 'Established', + 'addressFamilyInfo': { + 'ipv4Unicast': { + 'acceptedPrefixCounter': 2 + } + } + } + } + return topotest.json_cmp(output, expected) + + test_func = functools.partial(_bgp_converge, router) + success, result = topotest.run_and_expect(test_func, None, count=60, wait=0.5) + + assert result is None, 'Failed bgp convergence in "{}"'.format(router) + +if __name__ == '__main__': + args = ["-s"] + sys.argv[1:] + sys.exit(pytest.main(args)) -- 2.39.5