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-rw-r--r--tests/topotests/bgp_aggregate_address_topo1/test_bgp_aggregate_address_topo1.py292
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diff --git a/tests/topotests/bgp_aggregate_address_topo1/test_bgp_aggregate_address_topo1.py b/tests/topotests/bgp_aggregate_address_topo1/test_bgp_aggregate_address_topo1.py
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+++ b/tests/topotests/bgp_aggregate_address_topo1/test_bgp_aggregate_address_topo1.py
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+#!/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 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
+
+pytestmark = [pytest.mark.bgpd]
+
+
+def build_topo(tgen):
+ 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(build_topo, 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 expect_route(router_name, routes_expected):
+ "Helper function to avoid repeated code."
+ tgen = get_topogen()
+ test_func = functools.partial(
+ topotest.router_json_cmp,
+ tgen.gears[router_name],
+ "show ip route json",
+ routes_expected,
+ )
+ _, result = topotest.run_and_expect(test_func, None, count=120, wait=1)
+ assertmsg = '"{}" BGP convergence failure'.format(router_name)
+ assert result is None, assertmsg
+
+
+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_suppress():
+ "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_bgp_aggregate_address_suppress_map():
+ "Test that the command suppress-map works."
+
+ tgen = get_topogen()
+ if tgen.routers_have_failure():
+ pytest.skip(tgen.errors)
+
+ expect_route(
+ "r2",
+ {
+ "192.168.2.0/24": [{"protocol": "bgp"}],
+ "192.168.2.1/32": None,
+ "192.168.2.2/32": [{"protocol": "bgp"}],
+ "192.168.2.3/32": [{"protocol": "bgp"}],
+ },
+ )
+
+ # Change route map and test again.
+ tgen.gears["r1"].vtysh_multicmd(
+ """
+configure terminal
+router bgp 65000
+address-family ipv4 unicast
+no aggregate-address 192.168.2.0/24 suppress-map rm-sup-one
+aggregate-address 192.168.2.0/24 suppress-map rm-sup-two
+"""
+ )
+
+ expect_route(
+ "r2",
+ {
+ "192.168.2.0/24": [{"protocol": "bgp"}],
+ "192.168.2.1/32": [{"protocol": "bgp"}],
+ "192.168.2.2/32": None,
+ "192.168.2.3/32": [{"protocol": "bgp"}],
+ },
+ )
+
+
+def test_bgp_aggregate_address_suppress_map_update_route_map():
+ "Test that the suppress-map late route map creation 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 192.168.2.0/24 suppress-map rm-sup-two
+aggregate-address 192.168.2.0/24 suppress-map rm-sup-three
+"""
+ )
+
+ expect_route(
+ "r2",
+ {
+ "192.168.2.0/24": [{"protocol": "bgp"}],
+ "192.168.2.1/32": [{"protocol": "bgp"}],
+ "192.168.2.2/32": [{"protocol": "bgp"}],
+ "192.168.2.3/32": [{"protocol": "bgp"}],
+ },
+ )
+
+ # Create missing route map and test again.
+ tgen.gears["r1"].vtysh_multicmd(
+ """
+configure terminal
+route-map rm-sup-three permit 10
+match ip address acl-sup-three
+"""
+ )
+
+ expect_route(
+ "r2",
+ {
+ "192.168.2.0/24": [{"protocol": "bgp"}],
+ "192.168.2.1/32": [{"protocol": "bgp"}],
+ "192.168.2.2/32": [{"protocol": "bgp"}],
+ "192.168.2.3/32": None,
+ },
+ )
+
+
+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))
generated by cgit v1.2.3 (git 2.39.1) at 2024-09-19 05:41:17 +0000