--- /dev/null
+#!/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))
projects / matthieu / frr.git / commitdiff