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Diffstat (limited to 'tests/topotests/ospf_p2mp/test_ospf_p2mp_non_broadcast.py')
| -rw-r--r-- | tests/topotests/ospf_p2mp/test_ospf_p2mp_non_broadcast.py | 467 |
1 files changed, 467 insertions, 0 deletions
diff --git a/tests/topotests/ospf_p2mp/test_ospf_p2mp_non_broadcast.py b/tests/topotests/ospf_p2mp/test_ospf_p2mp_non_broadcast.py new file mode 100644 index 0000000..175dca7 --- /dev/null +++ b/tests/topotests/ospf_p2mp/test_ospf_p2mp_non_broadcast.py @@ -0,0 +1,467 @@ +#!/usr/bin/env python +# SPDX-License-Identifier: ISC + +# +# test_ospf_prefix_p2mp_non_broadcast.py +# +# Copyright (c) 2024 LabN Consulting +# Acee Lindem +# + +import os +import sys +import json +from time import sleep +from functools import partial +import pytest + +# pylint: disable=C0413 +# Import topogen and topotest helpers +from lib import topotest +from lib.topogen import Topogen, TopoRouter, get_topogen +from lib.topolog import logger + +from lib.common_config import ( + run_frr_cmd, + shutdown_bringup_interface, + start_router_daemons, + step, +) + + +""" +test_ospf_p2mp_non_broadcast.py: Test OSPF Point-to-multipoint Non-Broadcast + Full Mesh +""" + +TOPOLOGY = """ + +-----+ +-----+ +10.1.1.0/24 | r1 | | r2 | 10.1.2.0/24 + -----------+ | | +---------- + +--+--+ +--+--+ + | 10.1.0.0/24 | + | +-------+ | + +---- | |-----+ + | P2MP | + +---- | |-----+ + | +-------+ | + | | + | | + +--+--+ +-+---+ +10.1.3.0/24 | r3 | | r4 | 10.1.4.0/24 + -----------+ | | +---------- + +-----+ +-----+ + + +""" + +# Save the Current Working Directory to find configuration files. +CWD = os.path.dirname(os.path.realpath(__file__)) +sys.path.append(os.path.join(CWD, "../")) + +# Required to instantiate the topology builder class. + +pytestmark = [pytest.mark.ospfd, pytest.mark.bgpd] + + +def build_topo(tgen): + "Build function" + + # Create 4 routers + tgen.add_router("r1") + tgen.add_router("r2") + tgen.add_router("r3") + tgen.add_router("r4") + + # Interconect them all to the P2MP network + switch = tgen.add_switch("s0-p2mp") + switch.add_link(tgen.gears["r1"]) + switch.add_link(tgen.gears["r2"]) + switch.add_link(tgen.gears["r3"]) + switch.add_link(tgen.gears["r4"]) + + # Add standalone network to router 1 + switch = tgen.add_switch("s-r1-1") + switch.add_link(tgen.gears["r1"]) + + # Add standalone network to router 2 + switch = tgen.add_switch("s-r2-1") + switch.add_link(tgen.gears["r2"]) + + # Add standalone network to router 3 + switch = tgen.add_switch("s-r3-1") + switch.add_link(tgen.gears["r3"]) + + # Add standalone network to router 4 + switch = tgen.add_switch("s-r4-1") + switch.add_link(tgen.gears["r4"]) + + +def setup_module(mod): + logger.info("OSPF Point-to-MultiPoint Non-Broadcast:\n {}".format(TOPOLOGY)) + + tgen = Topogen(build_topo, mod.__name__) + tgen.start_topology() + + # Starting Routers + router_list = tgen.routers() + + for rname, router in router_list.items(): + logger.info("Loading router %s" % rname) + router.load_frr_config( + os.path.join(CWD, "{}/frr-p2mp-non-broadcast.conf".format(rname)) + ) + + # Initialize all routers. + tgen.start_router() + + +def teardown_module(mod): + "Teardown the pytest environment" + tgen = get_topogen() + tgen.stop_topology() + + +def verify_p2mp_interface(tgen, router, nbr_cnt, nbr_adj_cnt, non_broadcast): + "Verify the P2MP Configuration and interface settings" + + topo_router = tgen.gears[router] + + step("Test running configuration for P2MP configuration") + rc = 0 + rc, _, _ = tgen.net[router].cmd_status( + "show running ospfd | grep 'ip ospf network point-to-multipoint'", warn=False + ) + assertmsg = ( + "'ip ospf network point-to-multipoint' applied, but not present in " + + router + + "configuration" + ) + assert rc, assertmsg + + step("Test OSPF interface for P2MP settings") + input_dict = { + "interfaces": { + "r1-eth0": { + "ospfEnabled": True, + "interfaceIp": { + "10.1.0.1": { + "ipAddress": "10.1.0.1", + "ipAddressPrefixlen": 24, + "ospfIfType": "Broadcast", + "routerId": "1.1.1.1", + "networkType": "POINTOMULTIPOINT", + "cost": 10, + "state": "Point-To-Point", + "nbrCount": nbr_cnt, + "nbrAdjacentCount": nbr_adj_cnt, + "prefixSuppression": False, + "p2mpDelayReflood": False, + "p2mpNonBroadcast": non_broadcast, + } + }, + "ipAddress": "10.1.0.1", + "ipAddressPrefixlen": 24, + "ospfIfType": "Broadcast", + "area": "0.0.0.0", + "routerId": "1.1.1.1", + "networkType": "POINTOMULTIPOINT", + "cost": 10, + "state": "Point-To-Point", + "opaqueCapable": True, + "nbrCount": nbr_cnt, + "nbrAdjacentCount": nbr_adj_cnt, + "prefixSuppression": False, + "p2mpDelayReflood": False, + "p2mpNonBroadcast": non_broadcast, + } + } + } + test_func = partial( + topotest.router_json_cmp, + topo_router, + "show ip ospf interface r1-eth0 json", + input_dict, + ) + _, result = topotest.run_and_expect(test_func, None, count=60, wait=1) + assertmsg = "P2MP Interface Mismatch on router r1" + assert result is None, assertmsg + + +def verify_p2mp_neighbor(tgen, router, neighbor, state, intf_addr, interface): + topo_router = tgen.gears[router] + + step("Verify neighbor " + neighbor + " in " + state + " state") + input_dict = { + "default": { + neighbor: [ + { + "nbrState": state, + "ifaceAddress": intf_addr, + "ifaceName": interface, + } + ], + } + } + test_func = partial( + topotest.router_json_cmp, + topo_router, + "show ip ospf neighbor " + neighbor + " json", + input_dict, + ) + _, result = topotest.run_and_expect(test_func, None, count=60, wait=1) + assertmsg = "P2MP Neighbor " + neighbor + " not in " + state + assert result is None, assertmsg + + +def verify_p2mp_route(tgen, router, prefix, prefix_len, nexthop, interface): + topo_router = tgen.gears[router] + + step("Verify router " + router + " p2mp route " + prefix + " installed") + input_dict = { + prefix: [ + { + "prefix": prefix, + "prefixLen": prefix_len, + "protocol": "ospf", + "nexthops": [ + { + "ip": nexthop, + "interfaceName": interface, + } + ], + } + ] + } + test_func = partial( + topotest.router_json_cmp, + topo_router, + "show ip route " + prefix + " json", + input_dict, + ) + _, result = topotest.run_and_expect(test_func, None, count=60, wait=1) + assertmsg = prefix + " not installed on router " + router + assert result is None, assertmsg + + +def test_p2mp_non_broadcast_connectivity(): + tgen = get_topogen() + r1 = tgen.gears["r1"] + + if tgen.routers_have_failure(): + pytest.skip("Skipped because of router(s) failure") + + step("Verify router r1 interface OSPF point-to-multipoint non-broadcast interface") + verify_p2mp_interface(tgen, "r1", 3, 3, True) + + step("Verify router r1 interface r1-eth0 p2mp non-broadcast configuration") + rc, _, _ = tgen.net["r1"].cmd_status( + "show running ospfd | grep -q 'ip ospf network point-to-multipoint non-broadcast'", + warn=False, + ) + assertmsg = "'ip ospf network point-to-multipoint non-broadcast' applied, but not present in R1 configuration" + assert rc, assertmsg + + step("Verify router r1 OSPF point-to-multipoint neighbors") + verify_p2mp_neighbor( + tgen, "r1", "2.2.2.2", "Full/DROther", "10.1.0.2", "r1-eth0:10.1.0.1" + ) + verify_p2mp_neighbor( + tgen, "r1", "3.3.3.3", "Full/DROther", "10.1.0.3", "r1-eth0:10.1.0.1" + ) + verify_p2mp_neighbor( + tgen, "r1", "4.4.4.4", "Full/DROther", "10.1.0.4", "r1-eth0:10.1.0.1" + ) + + step("Verify router r1 OSPF point-to-multipoint routes are installed") + verify_p2mp_route(tgen, "r1", "10.1.2.0/24", 24, "10.1.0.2", "r1-eth0") + verify_p2mp_route(tgen, "r1", "10.1.3.0/24", 24, "10.1.0.3", "r1-eth0") + verify_p2mp_route(tgen, "r1", "10.1.4.0/24", 24, "10.1.0.4", "r1-eth0") + + step("Remove r1 interface r1-eth0 p2mp non-broadcast configuration") + r1.vtysh_cmd("conf t\ninterface r1-eth0\nip ospf network point-to-multipoint") + rc, _, _ = tgen.net["r1"].cmd_status( + "show running ospfd | grep -q 'ip ospf network point-to-multipoint non-broadcast'", + warn=False, + ) + assertmsg = "'ip ospf network point-to-multipoint non-broadcast' not applied, but present in r1 configuration" + assert rc, assertmsg + + step("Verify router r1 interface OSPF point-to-multipoint broadcast interface") + verify_p2mp_interface(tgen, "r1", 3, 3, False) + + step("Add r1 interface r1-eth0 p2mp non-broadcast configuration back") + r1.vtysh_cmd( + "conf t\ninterface r1-eth0\nip ospf network point-to-multipoint non-broadcast" + ) + rc, _, _ = tgen.net["r1"].cmd_status( + "show running ospfd | grep 'ip ospf network point-to-multipoint non-broadcast'", + warn=False, + ) + assertmsg = "'ip ospf netrwork point-to-multipoint non-broadcast' applied, but not present in R1 configuration" + assert rc, assertmsg + + step("Verify router r1 interface OSPF point-to-multipoint non-broadcast interface") + verify_p2mp_interface(tgen, "r1", 3, 3, True) + + step( + "Verify router r1 OSPF point-to-multipoint neighbors adjacencies restablished." + ) + verify_p2mp_neighbor( + tgen, "r1", "2.2.2.2", "Full/DROther", "10.1.0.2", "r1-eth0:10.1.0.1" + ) + verify_p2mp_neighbor( + tgen, "r1", "3.3.3.3", "Full/DROther", "10.1.0.3", "r1-eth0:10.1.0.1" + ) + verify_p2mp_neighbor( + tgen, "r1", "4.4.4.4", "Full/DROther", "10.1.0.4", "r1-eth0:10.1.0.1" + ) + + +def test_p2mp_non_broadcast_partial_mesh_connectivity(): + tgen = get_topogen() + + if tgen.routers_have_failure(): + pytest.skip("Skipped because of router(s) failure") + + """ + test_ospf_p2mp_non_broadcast.py: Test OSPF Point-to-multipoint Non-Broadcast + Partial Mesh + """ + + TOPOLOGY = """ + +-----+ +------+ + 10.1.1.0/24 | r1 | | r4 | 10.1.4.0/24 + -----------+ | | +---------- + +-+---+ +--+-+-+ + | P2MP | + | Non-Broadcast | + | 10.1.0.0/24 | + +-+---+ +-+---+ + 10.1.2.0/24 | r2 | | r3 | 10.1.3.0/24 + -----------+ +--------------+ +---------- + +-----+ +-----+ + + + """ + logger.info("OSPF Point-to-MultiPoint Non-Broadcast:\n {}".format(TOPOLOGY)) + + step("Change configuration to a partial mesh") + step("Delete neighbors in full mesh") + r1 = tgen.gears["r1"] + r1.vtysh_cmd("conf t\nrouter ospf\nno neighbor 10.1.0.3") + r1.vtysh_cmd("conf t\nrouter ospf\nno neighbor 10.1.0.4") + r2 = tgen.gears["r2"] + r2.vtysh_cmd("conf t\nrouter ospf\nno neighbor 10.1.0.4") + r3 = tgen.gears["r3"] + r3.vtysh_cmd("conf t\nrouter ospf\nno neighbor 10.1.0.1") + r4 = tgen.gears["r4"] + r4.vtysh_cmd("conf t\nrouter ospf\nno neighbor 10.1.0.1") + r4.vtysh_cmd("conf t\nrouter ospf\nno neighbor 10.1.0.2") + + step("Flap interfaces on P2MP network to avoid transients") + r1.vtysh_cmd("conf t\ninterface r1-eth0\nshut") + r2.vtysh_cmd("conf t\ninterface r2-eth0\nshut") + r3.vtysh_cmd("conf t\ninterface r3-eth0\nshut") + r4.vtysh_cmd("conf t\ninterface r4-eth0\nshut") + r1.vtysh_cmd("conf t\ninterface r1-eth0\nno shut") + r2.vtysh_cmd("conf t\ninterface r2-eth0\nno shut") + r3.vtysh_cmd("conf t\ninterface r3-eth0\nno shut") + r4.vtysh_cmd("conf t\ninterface r4-eth0\nno shut") + + step("Verify router r1 interface OSPF point-to-multipoint non-broadcast interface") + verify_p2mp_interface(tgen, "r1", 1, 1, True) + + step("Verify router r1 interface r1-eth0 p2mp neighbor") + verify_p2mp_neighbor( + tgen, "r1", "2.2.2.2", "Full/DROther", "10.1.0.2", "r1-eth0:10.1.0.1" + ) + + step("Verify router r1 p2mp routes are installed") + verify_p2mp_route(tgen, "r1", "10.1.2.0/24", 24, "10.1.0.2", "r1-eth0") + verify_p2mp_route(tgen, "r1", "10.1.3.0/24", 24, "10.1.0.2", "r1-eth0") + verify_p2mp_route(tgen, "r1", "10.1.4.0/24", 24, "10.1.0.2", "r1-eth0") + + """ + test_ospf_p2mp_non_broadcast.py: Test OSPF Point-to-multipoint Non-Broadcast + Modified Partial Mesh + """ + + TOPOLOGY = """ + +-----+ +------+ + 10.1.1.0/24 | r1 | | r4 | 10.1.4.0/24 + -----------+ +-------------+ +---------- + +-----+ +--+-+-+ + P2MP | + Non-Broadcast | + 10.1.0.0/24 | + +-+---+ +-+---+ + 10.1.2.0/24 | r2 | | r3 | 10.1.3.0/24 + -----------+ +--------------+ +---------- + +-----+ +-----+ + + + """ + logger.info("OSPF Point-to-MultiPoint Non-Broadcast:\n {}".format(TOPOLOGY)) + + step("Change configuration to a partial mesh") + step("Modify neighbors in partial mesh") + r1 = tgen.gears["r1"] + r1.vtysh_cmd("conf t\nrouter ospf\nno neighbor 10.1.0.2") + r1.vtysh_cmd("conf t\nrouter ospf\nneighbor 10.1.0.4 poll-interval 5") + r2 = tgen.gears["r2"] + r2.vtysh_cmd("conf t\nrouter ospf\nno neighbor 10.1.0.1") + r4 = tgen.gears["r4"] + r4.vtysh_cmd("conf t\nrouter ospf\nneighbor 10.1.0.1") + + step("Flap interfaces on P2MP network to avoid transients") + r1.vtysh_cmd("conf t\ninterface r1-eth0\nshut") + r2.vtysh_cmd("conf t\ninterface r2-eth0\nshut") + r3.vtysh_cmd("conf t\ninterface r3-eth0\nshut") + r4.vtysh_cmd("conf t\ninterface r4-eth0\nshut") + r1.vtysh_cmd("conf t\ninterface r1-eth0\nno shut") + r2.vtysh_cmd("conf t\ninterface r2-eth0\nno shut") + r3.vtysh_cmd("conf t\ninterface r3-eth0\nno shut") + r4.vtysh_cmd("conf t\ninterface r4-eth0\nno shut") + + step("Verify router r1 interface r1-eth0") + step("Verify router r1 interface OSPF point-to-multipoint non-broadcast interface") + verify_p2mp_interface(tgen, "r1", 1, 1, True) + + step("Verify router r1 interface r1-eth0 p2mp neighbor") + input_dict = { + "neighbors": { + "4.4.4.4": [ + { + "nbrState": "Full/DROther", + "ifaceAddress": "10.1.0.4", + "ifaceName": "r1-eth0:10.1.0.1", + } + ], + } + } + test_func = partial( + topotest.router_json_cmp, r1, "show ip ospf neighbor json", input_dict + ) + _, result = topotest.run_and_expect(test_func, None, count=60, wait=1) + assertmsg = "P2MP Non-Broadcast Neighbors not adjacent on router r1" + assert result is None, assertmsg + + step("Verify router r1 interface r1-eth0 p2mp routes are installed") + verify_p2mp_route(tgen, "r1", "10.1.2.0/24", 24, "10.1.0.4", "r1-eth0") + verify_p2mp_route(tgen, "r1", "10.1.3.0/24", 24, "10.1.0.4", "r1-eth0") + verify_p2mp_route(tgen, "r1", "10.1.4.0/24", 24, "10.1.0.4", "r1-eth0") + + +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)) |