--- /dev/null
+#!/usr/bin/env python
+
+#
+# test_bgp_aggregate_address_topo1.py
+# Part of NetDEF Topology Tests
+#
+# Copyright (c) 2020 by
+# Network Device Education Foundation, Inc. ("NetDEF")
+#
+# 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 BGP aggregate address features.
+"""
+
+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 BgpAggregateAddressTopo1(Topo):
+ def build(self, *_args, **_opts):
+ tgen = get_topogen(self)
+
+ r1 = tgen.add_router('r1')
+ r2 = tgen.add_router('r2')
+ peer1 = tgen.add_exabgp_peer('peer1', ip='10.0.0.2',
+ defaultRoute='via 10.0.0.1')
+
+ switch = tgen.add_switch('s1')
+ switch.add_link(r1)
+ switch.add_link(peer1)
+
+ switch = tgen.add_switch('s2')
+ switch.add_link(r1)
+ switch.add_link(r2)
+
+
+def setup_module(mod):
+ tgen = Topogen(BgpAggregateAddressTopo1, mod.__name__)
+ tgen.start_topology()
+
+ router = tgen.gears['r1']
+ router.load_config(TopoRouter.RD_ZEBRA, os.path.join(CWD, "r1/zebra.conf"))
+ router.load_config(TopoRouter.RD_BGP, os.path.join(CWD, "r1/bgpd.conf"))
+ router.start()
+
+ router = tgen.gears['r2']
+ router.load_config(TopoRouter.RD_ZEBRA, os.path.join(CWD, "r2/zebra.conf"))
+ router.load_config(TopoRouter.RD_BGP, os.path.join(CWD, "r2/bgpd.conf"))
+ router.start()
+
+ peer = tgen.gears['peer1']
+ peer.start(os.path.join(CWD, "peer1"), os.path.join(CWD, "exabgp.env"))
+
+
+def teardown_module(mod):
+ tgen = get_topogen()
+ tgen.stop_topology()
+
+
+def test_expect_convergence():
+ "Test that BGP protocol converged."
+
+ tgen = get_topogen()
+ if tgen.routers_have_failure():
+ pytest.skip(tgen.errors)
+
+ logger.info("waiting for protocols to converge")
+ def expect_loopback_route(router, iptype, route, proto):
+ "Wait until route is present on RIB for protocol."
+ logger.info('waiting route {} in {}'.format(route, router))
+ test_func = functools.partial(
+ topotest.router_json_cmp,
+ tgen.gears[router],
+ 'show {} route json'.format(iptype),
+ { route: [{ 'protocol': proto }] }
+ )
+ _, result = topotest.run_and_expect(test_func, None, count=130, wait=1)
+ assertmsg = '"{}" BGP convergence failure'.format(router)
+ assert result is None, assertmsg
+
+ expect_loopback_route('r2', 'ip', '10.254.254.1/32', 'bgp')
+ expect_loopback_route('r2', 'ip', '10.254.254.3/32', 'bgp')
+
+
+def test_bgp_aggregate_address_matching_med_only():
+ "Test that the command matching-MED-only works."
+
+ tgen = get_topogen()
+ if tgen.routers_have_failure():
+ pytest.skip(tgen.errors)
+
+ routes_expected = {
+ # All MED matches, aggregation must exist.
+ "192.168.0.0/24": [{"protocol": "bgp", "metric": 0}],
+ "192.168.0.1/32": [{"protocol": "bgp", "metric": 10}],
+ "192.168.0.2/32": [{"protocol": "bgp", "metric": 10}],
+ "192.168.0.3/32": [{"protocol": "bgp", "metric": 10}],
+
+ # Non matching MED: aggregation must not exist.
+ "192.168.1.0/24": None,
+ "192.168.1.1/32": [{"protocol": "bgp", "metric": 10}],
+ "192.168.1.2/32": [{"protocol": "bgp", "metric": 10}],
+ "192.168.1.3/32": [{"protocol": "bgp", "metric": 20}]
+ }
+
+ test_func = functools.partial(
+ topotest.router_json_cmp,
+ tgen.gears['r2'],
+ 'show ip route json',
+ routes_expected
+ )
+ _, result = topotest.run_and_expect(test_func, None, count=20, wait=1)
+ assertmsg = '"r2" BGP convergence failure'
+ assert result is None, assertmsg
+
+
+def test_bgp_aggregate_address_match_and_supress():
+ "Test that the command matching-MED-only with suppression works."
+
+ tgen = get_topogen()
+ if tgen.routers_have_failure():
+ pytest.skip(tgen.errors)
+
+ tgen.gears['r1'].vtysh_multicmd("""
+configure terminal
+router bgp 65000
+address-family ipv4 unicast
+no aggregate-address 192.168.0.0/24 matching-MED-only
+no aggregate-address 192.168.1.0/24 matching-MED-only
+aggregate-address 192.168.0.0/24 matching-MED-only summary-only
+aggregate-address 192.168.1.0/24 matching-MED-only summary-only
+""")
+
+ routes_expected = {
+ # All MED matches, aggregation must exist.
+ "192.168.0.0/24": [{"protocol": "bgp", "metric": 0}],
+ "192.168.0.1/32": None,
+ "192.168.0.2/32": None,
+ "192.168.0.3/32": None,
+
+ # Non matching MED: aggregation must not exist.
+ "192.168.1.0/24": None,
+ "192.168.1.1/32": [{"protocol": "bgp", "metric": 10}],
+ "192.168.1.2/32": [{"protocol": "bgp", "metric": 10}],
+ "192.168.1.3/32": [{"protocol": "bgp", "metric": 20}]
+ }
+
+ test_func = functools.partial(
+ topotest.router_json_cmp,
+ tgen.gears['r2'],
+ 'show ip route json',
+ routes_expected
+ )
+ _, result = topotest.run_and_expect(test_func, None, count=120, wait=1)
+ assertmsg = '"r2" BGP convergence failure'
+ assert result is None, assertmsg
+
+
+def test_memory_leak():
+ "Run the memory leak test and report results."
+ tgen = get_topogen()
+ if not tgen.is_memleak_enabled():
+ pytest.skip("Memory leak test/report is disabled")
+
+ tgen.report_memory_leaks()
+
+
+if __name__ == "__main__":
+ args = ["-s"] + sys.argv[1:]
+ sys.exit(pytest.main(args))
projects / matthieu / frr.git / commitdiff