diff options
| -rw-r--r-- | tests/topotests/bgp_reject_as_sets/__init__.py | 0 | ||||
| -rw-r--r-- | tests/topotests/bgp_reject_as_sets/r1/bgpd.conf | 8 | ||||
| -rw-r--r-- | tests/topotests/bgp_reject_as_sets/r1/zebra.conf | 9 | ||||
| -rw-r--r-- | tests/topotests/bgp_reject_as_sets/r2/bgpd.conf | 10 | ||||
| -rw-r--r-- | tests/topotests/bgp_reject_as_sets/r2/zebra.conf | 9 | ||||
| -rw-r--r-- | tests/topotests/bgp_reject_as_sets/r3/bgpd.conf | 9 | ||||
| -rw-r--r-- | tests/topotests/bgp_reject_as_sets/r3/zebra.conf | 9 | ||||
| -rw-r--r-- | tests/topotests/bgp_reject_as_sets/test_bgp_reject_as_sets.py | 163 |
8 files changed, 217 insertions, 0 deletions
diff --git a/tests/topotests/bgp_reject_as_sets/__init__.py b/tests/topotests/bgp_reject_as_sets/__init__.py new file mode 100644 index 0000000000..e69de29bb2 --- /dev/null +++ b/tests/topotests/bgp_reject_as_sets/__init__.py diff --git a/tests/topotests/bgp_reject_as_sets/r1/bgpd.conf b/tests/topotests/bgp_reject_as_sets/r1/bgpd.conf new file mode 100644 index 0000000000..7b24c4bbf9 --- /dev/null +++ b/tests/topotests/bgp_reject_as_sets/r1/bgpd.conf @@ -0,0 +1,8 @@ +! exit1 +router bgp 65001 + neighbor 192.168.255.1 remote-as 65002 + address-family ipv4 unicast + redistribute connected + exit-address-family + ! +! diff --git a/tests/topotests/bgp_reject_as_sets/r1/zebra.conf b/tests/topotests/bgp_reject_as_sets/r1/zebra.conf new file mode 100644 index 0000000000..9904bb4e16 --- /dev/null +++ b/tests/topotests/bgp_reject_as_sets/r1/zebra.conf @@ -0,0 +1,9 @@ +! exit1 +interface lo + 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_reject_as_sets/r2/bgpd.conf b/tests/topotests/bgp_reject_as_sets/r2/bgpd.conf new file mode 100644 index 0000000000..c991b5bcd8 --- /dev/null +++ b/tests/topotests/bgp_reject_as_sets/r2/bgpd.conf @@ -0,0 +1,10 @@ +! spine +router bgp 65002 + bgp reject-as-sets + neighbor 192.168.255.2 remote-as 65001 + neighbor 192.168.254.2 remote-as 65003 + address-family ipv4 unicast + aggregate-address 172.16.0.0/16 as-set summary-only + exit-address-family + ! +! diff --git a/tests/topotests/bgp_reject_as_sets/r2/zebra.conf b/tests/topotests/bgp_reject_as_sets/r2/zebra.conf new file mode 100644 index 0000000000..f0d357c5ff --- /dev/null +++ b/tests/topotests/bgp_reject_as_sets/r2/zebra.conf @@ -0,0 +1,9 @@ +! spine +interface r2-eth0 + ip address 192.168.255.1/30 +! +interface r2-eth1 + ip address 192.168.254.1/30 +! +ip forwarding +! diff --git a/tests/topotests/bgp_reject_as_sets/r3/bgpd.conf b/tests/topotests/bgp_reject_as_sets/r3/bgpd.conf new file mode 100644 index 0000000000..bee518c84b --- /dev/null +++ b/tests/topotests/bgp_reject_as_sets/r3/bgpd.conf @@ -0,0 +1,9 @@ +! exit2 +router bgp 65003 + neighbor 192.168.254.1 remote-as 65002 + address-family ipv4 unicast + neighbor 192.168.254.1 allowas-in + redistribute connected + exit-address-family + ! +! diff --git a/tests/topotests/bgp_reject_as_sets/r3/zebra.conf b/tests/topotests/bgp_reject_as_sets/r3/zebra.conf new file mode 100644 index 0000000000..f490d97afe --- /dev/null +++ b/tests/topotests/bgp_reject_as_sets/r3/zebra.conf @@ -0,0 +1,9 @@ +! exit2 +interface lo + ip address 172.16.254.254/32 +! +interface r3-eth0 + ip address 192.168.254.2/30 +! +ip forwarding +! diff --git a/tests/topotests/bgp_reject_as_sets/test_bgp_reject_as_sets.py b/tests/topotests/bgp_reject_as_sets/test_bgp_reject_as_sets.py new file mode 100644 index 0000000000..f307edc678 --- /dev/null +++ b/tests/topotests/bgp_reject_as_sets/test_bgp_reject_as_sets.py @@ -0,0 +1,163 @@ +#!/usr/bin/env python + +# +# test_bgp_reject_as_sets.py +# Part of NetDEF Topology Tests +# +# Copyright (c) 2019 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 an aggregated route with AS_SET is not sent to peers. +Addressing draft-ietf-idr-deprecate-as-set-confed-set recommendations. + +BGP speakers conforming to this document (i.e., conformant BGP + speakers) MUST NOT locally generate BGP UPDATE messages containing + AS_SET or AS_CONFED_SET. Conformant BGP speakers SHOULD NOT send BGP + UPDATE messages containing AS_SET or AS_CONFED_SET. Upon receipt of + such messages, conformant BGP speakers SHOULD use the "Treat-as- + withdraw" error handling behavior as per [RFC7606]. +""" + +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, 4): + 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']) + +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_reject_as_sets(): + 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) + + def _bgp_has_aggregated_route_with_stripped_as_set(router): + output = json.loads(router.vtysh_cmd("show ip bgp 172.16.0.0/16 json")) + expected = { + 'paths': [ + { + 'aspath': { + 'string': 'Local', + 'segments': [ + ], + 'length': 0 + } + } + ] + } + return topotest.json_cmp(output, expected) + + def _bgp_announce_route_without_as_sets(router): + output = json.loads(router.vtysh_cmd("show ip bgp neighbor 192.168.254.2 advertised-routes json")) + expected = { + 'advertisedRoutes': { + '172.16.0.0/16': { + 'asPath': '' + }, + '192.168.254.0/30': { + 'asPath': '65003' + }, + '192.168.255.0/30': { + 'asPath': '65001' + } + }, + 'totalPrefixCounter': 3 + } + 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) + + test_func = functools.partial(_bgp_has_aggregated_route_with_stripped_as_set, router) + success, result = topotest.run_and_expect(test_func, None, count=60, wait=0.5) + + assert result is None, 'Failed to see an aggregated route in "{}"'.format(router) + + test_func = functools.partial(_bgp_announce_route_without_as_sets, router) + success, result = topotest.run_and_expect(test_func, None, count=60, wait=0.5) + + assert result is None, 'Route 172.16.0.0/16 should be sent without AS_SET to r3 "{}"'.format(router) + +if __name__ == '__main__': + args = ["-s"] + sys.argv[1:] + sys.exit(pytest.main(args)) |