diff options
Diffstat (limited to 'tests/topotests/bgp_aggregate_address_topo1')
8 files changed, 426 insertions, 0 deletions
diff --git a/tests/topotests/bgp_aggregate_address_topo1/__init__.py b/tests/topotests/bgp_aggregate_address_topo1/__init__.py new file mode 100644 index 0000000..e69de29 --- /dev/null +++ b/tests/topotests/bgp_aggregate_address_topo1/__init__.py diff --git a/tests/topotests/bgp_aggregate_address_topo1/exabgp.env b/tests/topotests/bgp_aggregate_address_topo1/exabgp.env new file mode 100644 index 0000000..28e6423 --- /dev/null +++ b/tests/topotests/bgp_aggregate_address_topo1/exabgp.env @@ -0,0 +1,53 @@ +[exabgp.api] +encoder = text +highres = false +respawn = false +socket = '' + +[exabgp.bgp] +openwait = 60 + +[exabgp.cache] +attributes = true +nexthops = true + +[exabgp.daemon] +daemonize = true +pid = '/var/run/exabgp/exabgp.pid' +user = 'exabgp' +##daemonize = false + +[exabgp.log] +all = false +configuration = true +daemon = true +destination = '/var/log/exabgp.log' +enable = true +level = INFO +message = false +network = true +packets = false +parser = false +processes = true +reactor = true +rib = false +routes = false +short = false +timers = false + +[exabgp.pdb] +enable = false + +[exabgp.profile] +enable = false +file = '' + +[exabgp.reactor] +speed = 1.0 + +[exabgp.tcp] +acl = false +bind = '' +delay = 0 +once = false +port = 179 diff --git a/tests/topotests/bgp_aggregate_address_topo1/peer1/exabgp.cfg b/tests/topotests/bgp_aggregate_address_topo1/peer1/exabgp.cfg new file mode 100644 index 0000000..e0f6ab6 --- /dev/null +++ b/tests/topotests/bgp_aggregate_address_topo1/peer1/exabgp.cfg @@ -0,0 +1,21 @@ +neighbor 10.0.0.1 { + router-id 10.254.254.3; + local-address 10.0.0.2; + local-as 65001; + peer-as 65000; + static { + route 10.254.254.3/32 next-hop 10.0.0.2; + + route 192.168.0.1/32 next-hop 10.0.0.2 med 10; + route 192.168.0.2/32 next-hop 10.0.0.2 med 10; + route 192.168.0.3/32 next-hop 10.0.0.2 med 10; + + route 192.168.1.1/32 next-hop 10.0.0.2 med 10; + route 192.168.1.2/32 next-hop 10.0.0.2 med 10; + route 192.168.1.3/32 next-hop 10.0.0.2 med 20; + + route 192.168.2.1/32 next-hop 10.0.0.2; + route 192.168.2.2/32 next-hop 10.0.0.2; + route 192.168.2.3/32 next-hop 10.0.0.2; + } +} diff --git a/tests/topotests/bgp_aggregate_address_topo1/r1/bgpd.conf b/tests/topotests/bgp_aggregate_address_topo1/r1/bgpd.conf new file mode 100644 index 0000000..c7cf4a5 --- /dev/null +++ b/tests/topotests/bgp_aggregate_address_topo1/r1/bgpd.conf @@ -0,0 +1,30 @@ +! debug bgp updates +! +access-list acl-sup-one seq 5 permit 192.168.2.1/32 +access-list acl-sup-one seq 10 deny any +! +access-list acl-sup-two seq 5 permit 192.168.2.2/32 +access-list acl-sup-two seq 10 deny any +! +access-list acl-sup-three seq 5 permit 192.168.2.3/32 +access-list acl-sup-three seq 10 deny any +! +route-map rm-sup-one permit 10 + match ip address acl-sup-one +! +route-map rm-sup-two permit 10 + match ip address acl-sup-two +! +router bgp 65000 + no bgp ebgp-requires-policy + neighbor 10.0.0.2 remote-as 65001 + neighbor 10.0.0.2 timers 3 10 + neighbor 10.0.1.2 remote-as internal + neighbor 10.0.1.2 timers 3 10 + address-family ipv4 unicast + redistribute connected + aggregate-address 192.168.0.0/24 matching-MED-only + aggregate-address 192.168.1.0/24 matching-MED-only + aggregate-address 192.168.2.0/24 suppress-map rm-sup-one + exit-address-family +! diff --git a/tests/topotests/bgp_aggregate_address_topo1/r1/zebra.conf b/tests/topotests/bgp_aggregate_address_topo1/r1/zebra.conf new file mode 100644 index 0000000..931c73d --- /dev/null +++ b/tests/topotests/bgp_aggregate_address_topo1/r1/zebra.conf @@ -0,0 +1,13 @@ +! +interface lo + ip address 10.254.254.1/32 +! +interface r1-eth0 + ip address 10.0.0.1/24 +! +interface r1-eth1 + ip address 10.0.1.1/24 +! +ip forwarding +ipv6 forwarding +! diff --git a/tests/topotests/bgp_aggregate_address_topo1/r2/bgpd.conf b/tests/topotests/bgp_aggregate_address_topo1/r2/bgpd.conf new file mode 100644 index 0000000..acacd86 --- /dev/null +++ b/tests/topotests/bgp_aggregate_address_topo1/r2/bgpd.conf @@ -0,0 +1,7 @@ +router bgp 65000 + neighbor 10.0.1.1 remote-as internal + neighbor 10.0.1.1 timers 3 10 + address-family ipv4 unicast + redistribute connected + exit-address-family +! diff --git a/tests/topotests/bgp_aggregate_address_topo1/r2/zebra.conf b/tests/topotests/bgp_aggregate_address_topo1/r2/zebra.conf new file mode 100644 index 0000000..38e0c44 --- /dev/null +++ b/tests/topotests/bgp_aggregate_address_topo1/r2/zebra.conf @@ -0,0 +1,10 @@ +! +interface lo + ip address 10.254.254.2/32 +! +interface r2-eth0 + ip address 10.0.1.2/24 +! +ip forwarding +ipv6 forwarding +! 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 new file mode 100644 index 0000000..f506792 --- /dev/null +++ b/tests/topotests/bgp_aggregate_address_topo1/test_bgp_aggregate_address_topo1.py @@ -0,0 +1,292 @@ +#!/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)) |