diff options
Diffstat (limited to '')
-rw-r--r-- | tests/topotests/bgp_reject_as_sets/__init__.py | 0 | ||||
-rw-r--r-- | tests/topotests/bgp_reject_as_sets/r1/bgpd.conf | 10 | ||||
-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 | 13 | ||||
-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 | 11 | ||||
-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 | 151 |
8 files changed, 212 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 0000000..e69de29 --- /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 0000000..a28b612 --- /dev/null +++ b/tests/topotests/bgp_reject_as_sets/r1/bgpd.conf @@ -0,0 +1,10 @@ +! exit1 +router bgp 65001 + no bgp ebgp-requires-policy + neighbor 192.168.255.1 remote-as 65002 + neighbor 192.168.255.1 timers 3 10 + 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 0000000..9904bb4 --- /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 0000000..4539617 --- /dev/null +++ b/tests/topotests/bgp_reject_as_sets/r2/bgpd.conf @@ -0,0 +1,13 @@ +! spine +router bgp 65002 + bgp reject-as-sets + no bgp ebgp-requires-policy + neighbor 192.168.255.2 remote-as 65001 + neighbor 192.168.255.2 timers 3 10 + neighbor 192.168.254.2 remote-as 65003 + neighbor 192.168.254.2 timers 3 10 + 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 0000000..f0d357c --- /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 0000000..1dde4f0 --- /dev/null +++ b/tests/topotests/bgp_reject_as_sets/r3/bgpd.conf @@ -0,0 +1,11 @@ +! exit2 +router bgp 65003 + no bgp ebgp-requires-policy + neighbor 192.168.254.1 remote-as 65002 + neighbor 192.168.254.1 timers 3 10 + 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 0000000..f490d97 --- /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 0000000..8d1e834 --- /dev/null +++ b/tests/topotests/bgp_reject_as_sets/test_bgp_reject_as_sets.py @@ -0,0 +1,151 @@ +#!/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 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, 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(build_topo, 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_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": {"path": ""}, + "192.168.254.0/30": {"path": "65003"}, + "192.168.255.0/30": {"path": "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)) |