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Diffstat (limited to 'tests/topotests/msdp_topo2/test_msdp_topo2.py')
| -rwxr-xr-x | tests/topotests/msdp_topo2/test_msdp_topo2.py | 376 |
1 files changed, 376 insertions, 0 deletions
diff --git a/tests/topotests/msdp_topo2/test_msdp_topo2.py b/tests/topotests/msdp_topo2/test_msdp_topo2.py new file mode 100755 index 00000000..def5368f --- /dev/null +++ b/tests/topotests/msdp_topo2/test_msdp_topo2.py @@ -0,0 +1,376 @@ +#!/usr/bin/env python +# SPDX-License-Identifier: ISC + +# +# test_msdp_topo1.py +# Part of NetDEF Topology Tests +# +# Copyright (c) 2024 by +# Adriano Marto Reis <adrianomarto@gmail.com> +# + +""" +test_msdp_topo2.py: Test the FRR PIM MSDP peer. + + ────────────────────► + shortest path + ┌──┐ + ┌───────┤r2├───────┐ +sender │ s1 └──┘ s2 │ receiver + ┌──┐ ┌─┴┐ ┌─┴┐ ┌──┐ + │h1├────┤r1│ │r5├────┤h2│ + └──┘ s6 └─┬┘ └─┬┘ s7 └──┘ + │ ┌──┐ ┌──┐ │ + └───┤r3├────┤r4├───┘ + s3 └──┘ s4 └──┘ s5 +""" + +import os +import sys +import json +from functools import partial +import pytest + +# Save the Current Working Directory to find configuration files. +CWD = os.path.dirname(os.path.realpath(__file__)) +sys.path.append(os.path.join(CWD, "../")) + +# pylint: disable=C0413 +# Import topogen and topotest helpers +from lib import topotest + +# Required to instantiate the topology builder class. +from lib.topogen import Topogen, TopoRouter, get_topogen +from lib.topolog import logger + +from lib.pim import McastTesterHelper + +pytestmark = [pytest.mark.bgpd, pytest.mark.pimd] + +app_helper = McastTesterHelper() + +MCAST_ADDR = "229.1.2.3" + +def build_topo(tgen): + "Build function" + + for routern in range(1, 6): + 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["r5"]) + + switch = tgen.add_switch("s3") + switch.add_link(tgen.gears["r1"]) + switch.add_link(tgen.gears["r3"]) + + switch = tgen.add_switch("s4") + switch.add_link(tgen.gears["r3"]) + switch.add_link(tgen.gears["r4"]) + + switch = tgen.add_switch("s5") + switch.add_link(tgen.gears["r4"]) + switch.add_link(tgen.gears["r5"]) + + switch = tgen.add_switch("s6") + tgen.add_host("h1", "192.168.6.100/24", "via 192.168.6.1") + switch.add_link(tgen.gears["h1"]) + switch.add_link(tgen.gears["r1"]) + + switch = tgen.add_switch("s7") + tgen.add_host("h2", "192.168.7.100/24", "via 192.168.7.5") + switch.add_link(tgen.gears["h2"]) + switch.add_link(tgen.gears["r5"]) + + +def setup_module(mod): + "Sets up the pytest environment" + + tgen = Topogen(build_topo, mod.__name__) + tgen.start_topology() + + router_list = tgen.routers() + for rname, router in router_list.items(): + + daemon_file = "{}/{}/zebra.conf".format(CWD, rname) + if os.path.isfile(daemon_file): + router.load_config(TopoRouter.RD_ZEBRA, daemon_file) + + daemon_file = "{}/{}/bgpd.conf".format(CWD, rname) + if os.path.isfile(daemon_file): + router.load_config(TopoRouter.RD_BGP, daemon_file) + + daemon_file = "{}/{}/pimd.conf".format(CWD, rname) + if os.path.isfile(daemon_file): + router.load_config(TopoRouter.RD_PIM, daemon_file) + + tgen.start_router() + + app_helper.init(tgen) + + +def teardown_module(): + "Teardown the pytest environment" + tgen = get_topogen() + app_helper.cleanup() + tgen.stop_topology() + + +def test_bgp_convergence(): + """ + Wait for BGP protocol convergence + All the loopback addresses (10.254.254.x) must be reachable from all + routers. + """ + + tgen = get_topogen() + if tgen.routers_have_failure(): + pytest.skip(tgen.errors) + + routes = { + "r1": "10.254.254.1/32", + "r2": "10.254.254.2/32", + "r3": "10.254.254.3/32", + "r4": "10.254.254.4/32", + "r5": "10.254.254.5/32", + } + + for router1 in routes.keys(): + for router2, route in routes.items(): + if router1 != router2: + logger.info("waiting route {} in {}".format(route, router1)) + test_func = partial( + topotest.router_json_cmp, + tgen.gears[router1], + "show ip route json", + {route: [{"protocol": "bgp"}]}, + ) + _, result = topotest.run_and_expect(test_func, None, count=130, wait=1) + assertmsg = '"{}" convergence failure'.format(router1) + assert result is None, assertmsg + + +def test_msdp_peers(): + """ + Waits for the MSPD peer connections to be established. + """ + + tgen = get_topogen() + if tgen.routers_have_failure(): + pytest.skip(tgen.errors) + + expected_msdp_peers = { + "r1": { + "192.168.1.2": { + "peer": "192.168.1.2", + "local": "192.168.1.1", + "state": "established", + }, + "192.168.3.3": { + "peer": "192.168.3.3", + "local": "192.168.3.1", + "state": "established", + }, + }, + "r2": { + "192.168.1.1": { + "peer": "192.168.1.1", + "local": "192.168.1.2", + "state": "established", + }, + "192.168.2.5": { + "peer": "192.168.2.5", + "local": "192.168.2.2", + "state": "established", + }, + }, + "r3": { + "192.168.3.1": { + "peer": "192.168.3.1", + "local": "192.168.3.3", + "state": "established", + }, + "192.168.4.4": { + "peer": "192.168.4.4", + "local": "192.168.4.3", + "state": "established", + }, + }, + "r4": { + "192.168.4.3": { + "peer": "192.168.4.3", + "local": "192.168.4.4", + "state": "established", + }, + "192.168.5.5": { + "peer": "192.168.5.5", + "local": "192.168.5.4", + "state": "established", + }, + }, + "r5": { + "192.168.2.2": { + "peer": "192.168.2.2", + "local": "192.168.2.5", + "state": "established", + }, + "192.168.5.4": { + "peer": "192.168.5.4", + "local": "192.168.5.5", + "state": "established", + }, + }, + } + + for router, peers in expected_msdp_peers.items(): + logger.info("Waiting for {} msdp peer data".format(router)) + test_function = partial( + topotest.router_json_cmp, + tgen.gears[router], + "show ip msdp peer json", + peers, + ) + _, val = topotest.run_and_expect(test_function, None, count=30, wait=1) + assert val is None, "multicast route convergence failure" + + +def test_msdp_sa(): + """ + Waits for the MSDP SA to be propagated. + The MSDP SA must be present on all routers. The MSDP SA must indicate + the original RP. + """ + + tgen = get_topogen() + if tgen.routers_have_failure(): + pytest.skip(tgen.errors) + + app_helper.run("h1", ["--send=0.7", MCAST_ADDR, "h1-eth0"]) + app_helper.run("h2", [MCAST_ADDR, "h2-eth0"]) + + expected_sa_r1 = { + MCAST_ADDR: { + "192.168.6.100": { + "source": "192.168.6.100", + "group": MCAST_ADDR, + "rp": "-", + "local": "yes", + } + } + } + + expected_sa_r2_r3_r4_r5 = { + MCAST_ADDR: { + "192.168.6.100": { + "source": "192.168.6.100", + "group": MCAST_ADDR, + "rp": "10.254.254.1", + "local": "no", + } + } + } + + expected_sa = { + "r1": expected_sa_r1, + "r2": expected_sa_r2_r3_r4_r5, + "r3": expected_sa_r2_r3_r4_r5, + "r4": expected_sa_r2_r3_r4_r5, + "r5": expected_sa_r2_r3_r4_r5, + } + + for router, sa in expected_sa.items(): + logger.info("Waiting for {} msdp peer data".format(router)) + test_function = partial( + topotest.router_json_cmp, + tgen.gears[router], + "show ip msdp sa json", + sa, + ) + _, val = topotest.run_and_expect(test_function, None, count=30, wait=1) + assert val is None, "multicast route convergence failure" + + +def test_mroute(): + """ + Wait for the multicast routes. + The multicast routes must connect the shortest path between h1 and h2: + h1 ─► r1 ─► r2 ─► r5 ─► h2 + + The routers r3 and r4 must have no multicast routes, as they are not + included in the shortest path between h1 and h2. + """ + + tgen = get_topogen() + if tgen.routers_have_failure(): + pytest.skip(tgen.errors) + + app_helper.run("h1", ["--send=0.7", MCAST_ADDR, "h1-eth0"]) + app_helper.run("h2", [MCAST_ADDR, "h2-eth0"]) + + expected_mroutes = { + "r1": { + MCAST_ADDR: { + "192.168.6.100": { + "iif": "r1-eth2", + "oil": { + "r1-eth0": {"source": "192.168.6.100", "group": MCAST_ADDR}, + "r1-eth1": None, + }, + }, + }, + }, + "r2": { + MCAST_ADDR: { + "192.168.6.100": { + "iif": "r2-eth0", + "oil": { + "r2-eth1": {"source": "192.168.6.100", "group": MCAST_ADDR}, + }, + }, + }, + }, + "r3": { + }, + "r4": { + }, + "r5": { + MCAST_ADDR: { + "192.168.6.100": { + "iif": "r5-eth0", + "oil": { + "r5-eth1": None, + "r5-eth2": {"source": "192.168.6.100", "group": MCAST_ADDR}, + }, + }, + }, + }, + } + + for router, mroute in expected_mroutes.items(): + logger.info("Waiting for {} mroute data".format(router)) + test_function = partial( + topotest.router_json_cmp, + tgen.gears[router], + "show ip mroute json", + mroute, + ) + _, val = topotest.run_and_expect(test_function, None, count=30, wait=1) + assert val is None, "mroute convergence failure" + + +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)) |