--- /dev/null
+#!/usr/bin/env python
+# SPDX-License-Identifier: ISC
+
+#
+# test_bgp_table_direct_topo1.py
+# Part of NetDEF Topology Tests
+#
+# Copyright (c) 2025 by
+# Network Device Education Foundation, Inc. ("NetDEF")
+#
+
+"""
+test_bgp_table_direct_topo1.py: Test the FRR PIM MSDP peer.
+"""
+
+import os
+import sys
+import json
+from functools import partial
+import re
+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()
+
+
+def build_topo(tgen):
+ """
+ +----+ +----+
+ | r1 | <-> | r2 |
+ +----+ +----+
+ |
+ | +----+
+ --------| r3 |
+ +----+
+ """
+
+ # Create 3 routers
+ for routern in range(1, 4):
+ tgen.add_router(f"r{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["r1"])
+ switch.add_link(tgen.gears["r3"])
+
+
+def setup_module(mod):
+ "Sets up the pytest environment"
+ tgen = Topogen(build_topo, mod.__name__)
+ tgen.start_topology()
+
+ router_list = tgen.routers()
+ for _, router in router_list.items():
+ router.load_frr_config(os.path.join(CWD, f"{router.name}/frr.conf"))
+
+ tgen.gears["r1"].run("ip link add blue type vrf table 10")
+ tgen.gears["r1"].run("ip link set blue up")
+ tgen.gears["r1"].run("ip link set r1-eth1 master blue")
+
+ # Initialize all routers.
+ tgen.start_router()
+
+ app_helper.init(tgen)
+
+
+def teardown_module():
+ "Teardown the pytest environment"
+ tgen = get_topogen()
+ app_helper.cleanup()
+ tgen.stop_topology()
+
+
+def expect_bgp_route(router, iptype, route, missing=False):
+ "Wait until route is present on RIB for protocol."
+ if missing:
+ logger.info("waiting route {} go missing in {}".format(route, router))
+ else:
+ logger.info("waiting route {} in {}".format(route, router))
+
+ tgen = get_topogen()
+ expected_output = {route: [{"protocol": "bgp"}]}
+ wait_time = 130
+ if missing:
+ expected_output = {route: None}
+ wait_time = 5
+
+ test_func = partial(
+ topotest.router_json_cmp,
+ tgen.gears[router],
+ "show {} route json".format(iptype),
+ expected_output
+ )
+
+ _, result = topotest.run_and_expect(test_func, None, count=130, wait=1)
+ assertmsg = f'"{router}" convergence failure'
+ assert result is None, assertmsg
+
+
+def test_bgp_convergence():
+ "Wait for BGP protocol convergence"
+ tgen = get_topogen()
+ if tgen.routers_have_failure():
+ pytest.skip(tgen.errors)
+
+ logger.info("waiting for protocols to converge")
+
+ # Wait for R2
+ expect_bgp_route("r2", "ip", "10.254.254.1/32")
+ expect_bgp_route("r2", "ip", "10.254.254.2/32")
+ expect_bgp_route("r2", "ip", "10.254.254.3/32")
+
+ # Wait for R3
+ expect_bgp_route("r3", "ip", "10.254.254.1/32")
+ expect_bgp_route("r3", "ip", "10.254.254.2/32")
+ expect_bgp_route("r3", "ip", "10.254.254.3/32")
+
+
+def test_route_change_convergence():
+ "Change routes in table 2000 to test zebra redistribution."
+ tgen = get_topogen()
+ if tgen.routers_have_failure():
+ pytest.skip(tgen.errors)
+
+ tgen.gears["r1"].vtysh_cmd("""
+ configure terminal
+ no ip route 10.254.254.2/32 lo table 2000
+ ip route 10.254.254.10/32 lo table 2000
+ """)
+
+ # Check R2
+ expect_bgp_route("r2", "ip", "10.254.254.2/32", missing=True)
+ expect_bgp_route("r2", "ip", "10.254.254.10/32")
+
+ # Check R3
+ expect_bgp_route("r3", "ip", "10.254.254.2/32", missing=True)
+ expect_bgp_route("r3", "ip", "10.254.254.10/32")
+
+
+def test_configuration_removal_convergence():
+ "Remove table direct configuration and check if routes went missing."
+ tgen = get_topogen()
+ if tgen.routers_have_failure():
+ pytest.skip(tgen.errors)
+
+ tgen.gears["r1"].vtysh_cmd("""
+ configure terminal
+ router bgp 65001
+ address-family ipv4 unicast
+ no redistribute table-direct 2000
+ exit-address-family
+ exit
+
+ router bgp 65001 vrf blue
+ address-family ipv4 unicast
+ no redistribute table-direct 2000
+ exit-address-family
+ exit
+ """)
+
+ # Check R2
+ expect_bgp_route("r2", "ip", "10.254.254.1/32", missing=True)
+ expect_bgp_route("r2", "ip", "10.254.254.3/32", missing=True)
+ expect_bgp_route("r2", "ip", "10.254.254.10/32", missing=True)
+
+ # Check R3
+ expect_bgp_route("r3", "ip", "10.254.254.1/32", missing=True)
+ expect_bgp_route("r3", "ip", "10.254.254.3/32", missing=True)
+ expect_bgp_route("r3", "ip", "10.254.254.10/32", missing=True)
+
+
+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