diff options
Diffstat (limited to 'tests/topotests/ospf_single_switch')
| -rw-r--r-- | tests/topotests/ospf_single_switch/r1_frr.conf | 18 | ||||
| -rw-r--r-- | tests/topotests/ospf_single_switch/r2_frr.conf | 18 | ||||
| -rw-r--r-- | tests/topotests/ospf_single_switch/r3_frr.conf | 18 | ||||
| -rw-r--r-- | tests/topotests/ospf_single_switch/r4_frr.conf | 18 | ||||
| -rw-r--r-- | tests/topotests/ospf_single_switch/r5_frr.conf | 18 | ||||
| -rw-r--r-- | tests/topotests/ospf_single_switch/r6_frr.conf | 18 | ||||
| -rw-r--r-- | tests/topotests/ospf_single_switch/r7_frr.conf | 18 | ||||
| -rw-r--r-- | tests/topotests/ospf_single_switch/r8_frr.conf | 18 | ||||
| -rw-r--r-- | tests/topotests/ospf_single_switch/test_ospf_single_switch.py | 199 |
9 files changed, 343 insertions, 0 deletions
diff --git a/tests/topotests/ospf_single_switch/r1_frr.conf b/tests/topotests/ospf_single_switch/r1_frr.conf new file mode 100644 index 0000000..8fbb241 --- /dev/null +++ b/tests/topotests/ospf_single_switch/r1_frr.conf @@ -0,0 +1,18 @@ +! +hostname r1 +ip forwarding +! +interface r1-eth0 + ip address 203.0.113.1/24 + ip ospf network point-to-multipoint + ip ospf area 0.0.0.0 + !ip ospf prefix-suppression +! +interface r1-eth1 + ip address 10.0.1.1/24 + ip ospf passive + ip ospf area 0.0.0.0 +! +router ospf + ospf router-id 10.0.0.1 +! diff --git a/tests/topotests/ospf_single_switch/r2_frr.conf b/tests/topotests/ospf_single_switch/r2_frr.conf new file mode 100644 index 0000000..ea75ad6 --- /dev/null +++ b/tests/topotests/ospf_single_switch/r2_frr.conf @@ -0,0 +1,18 @@ +! +hostname r2 +ip forwarding +! +interface r2-eth0 + ip address 203.0.113.2/24 + ip ospf network point-to-multipoint + ip ospf area 0.0.0.0 + !ip ospf prefix-suppression +! +interface r2-eth1 + ip address 10.0.2.1/24 + ip ospf passive + ip ospf area 0.0.0.0 +! +router ospf + ospf router-id 10.0.0.2 +! diff --git a/tests/topotests/ospf_single_switch/r3_frr.conf b/tests/topotests/ospf_single_switch/r3_frr.conf new file mode 100644 index 0000000..e04e76e --- /dev/null +++ b/tests/topotests/ospf_single_switch/r3_frr.conf @@ -0,0 +1,18 @@ +! +hostname r3 +ip forwarding +! +interface r3-eth0 + ip address 203.0.113.3/24 + ip ospf network point-to-multipoint + ip ospf area 0.0.0.0 + !ip ospf prefix-suppression +! +interface r3-eth1 + ip address 10.0.3.1/24 + ip ospf passive + ip ospf area 0.0.0.0 +! +router ospf + ospf router-id 10.0.0.3 +! diff --git a/tests/topotests/ospf_single_switch/r4_frr.conf b/tests/topotests/ospf_single_switch/r4_frr.conf new file mode 100644 index 0000000..9f01158 --- /dev/null +++ b/tests/topotests/ospf_single_switch/r4_frr.conf @@ -0,0 +1,18 @@ +! +hostname r4 +ip forwarding +! +interface r4-eth0 + ip address 203.0.113.4/24 + ip ospf network point-to-multipoint + ip ospf area 0.0.0.0 + !ip ospf prefix-suppression +! +interface r4-eth1 + ip address 10.0.4.1/24 + ip ospf passive + ip ospf area 0.0.0.0 +! +router ospf + ospf router-id 10.0.0.4 +! diff --git a/tests/topotests/ospf_single_switch/r5_frr.conf b/tests/topotests/ospf_single_switch/r5_frr.conf new file mode 100644 index 0000000..c9f3497 --- /dev/null +++ b/tests/topotests/ospf_single_switch/r5_frr.conf @@ -0,0 +1,18 @@ +! +hostname r5 +ip forwarding +! +interface r5-eth0 + ip address 203.0.113.5/24 + ip ospf network point-to-multipoint + ip ospf area 0.0.0.0 + !ip ospf prefix-suppression +! +interface r5-eth1 + ip address 10.0.5.1/24 + ip ospf passive + ip ospf area 0.0.0.0 +! +router ospf + ospf router-id 10.0.0.5 +! diff --git a/tests/topotests/ospf_single_switch/r6_frr.conf b/tests/topotests/ospf_single_switch/r6_frr.conf new file mode 100644 index 0000000..ba4b0bd --- /dev/null +++ b/tests/topotests/ospf_single_switch/r6_frr.conf @@ -0,0 +1,18 @@ +! +hostname r6 +ip forwarding +! +interface r6-eth0 + ip address 203.0.113.6/24 + ip ospf network point-to-multipoint + ip ospf area 0.0.0.0 + !ip ospf prefix-suppression +! +interface r6-eth1 + ip address 10.0.6.1/24 + ip ospf passive + ip ospf area 0.0.0.0 +! +router ospf + ospf router-id 10.0.0.6 +! diff --git a/tests/topotests/ospf_single_switch/r7_frr.conf b/tests/topotests/ospf_single_switch/r7_frr.conf new file mode 100644 index 0000000..3b28381 --- /dev/null +++ b/tests/topotests/ospf_single_switch/r7_frr.conf @@ -0,0 +1,18 @@ +! +hostname r7 +ip forwarding +! +interface r7-eth0 + ip address 203.0.113.7/24 + ip ospf network point-to-multipoint + ip ospf area 0.0.0.0 + !ip ospf prefix-suppression +! +interface r7-eth1 + ip address 10.0.7.1/24 + ip ospf passive + ip ospf area 0.0.0.0 +! +router ospf + ospf router-id 10.0.0.7 +! diff --git a/tests/topotests/ospf_single_switch/r8_frr.conf b/tests/topotests/ospf_single_switch/r8_frr.conf new file mode 100644 index 0000000..3b1b0e5 --- /dev/null +++ b/tests/topotests/ospf_single_switch/r8_frr.conf @@ -0,0 +1,18 @@ +! +hostname r8 +ip forwarding +! +interface r8-eth0 + ip address 203.0.113.8/24 + ip ospf network point-to-multipoint + ip ospf area 0.0.0.0 + !ip ospf prefix-suppression +! +interface r8-eth1 + ip address 10.0.8.1/24 + ip ospf passive + ip ospf area 0.0.0.0 +! +router ospf + ospf router-id 10.0.0.8 +! diff --git a/tests/topotests/ospf_single_switch/test_ospf_single_switch.py b/tests/topotests/ospf_single_switch/test_ospf_single_switch.py new file mode 100644 index 0000000..e53b5f5 --- /dev/null +++ b/tests/topotests/ospf_single_switch/test_ospf_single_switch.py @@ -0,0 +1,199 @@ +#!/usr/bin/env python +# SPDX-License-Identifier: ISC + +# +# Copyright (c) 2023 by +# Adriano Marto Reis <adrianomarto@gmail.com> +# + +import os +import sys +import json +import subprocess +from functools import partial +import pytest + +from lib import topotest +from lib.topogen import Topogen, TopoRouter, get_topogen +from lib.topolog import logger + +from lib.common_config import verify_rib +from lib.ospf import verify_ospf_rib +from _ast import Try + +pytestmark = pytest.mark.ospfd + +""" +A large set of routers are connected to the same switch. Each router shares a +single network. All shared networks must be reachable from all routers. +""" + +TOPOLOGY = """ + net1 net2 netN + --- --- --- + | | OSPF-passive | + | | | + +---+---+ +---+---+ +---+---+ + | | | | | | + | r1 | | r2 | (...) | rN | + | | | | | | + +---+---+ +---+---+ +---+---+ + | | OSPF-active | + | | | + +----------------+--------------------------------+ + switch + + +""" + +N_ROUTERS = 8 + +# Save the Current Working Directory to find configuration files. +CWD = os.path.dirname(os.path.realpath(__file__)) +sys.path.append(os.path.join(CWD, "../")) + + +def build_topo(tgen): + "Build the topology" + + # Create a single switch to connect all the routers + switch = tgen.add_switch("switch") + + # Create routers + for router_id in range(1, N_ROUTERS + 1): + router = tgen.add_router(f"r{router_id}") + switch.add_link(router) + + # The shared network needs to be connected to something + dummy = tgen.add_switch(f"s{router_id}") + dummy.add_link(router) + + +def setup_module(mod): + logger.info("OSPF single switch:\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.conf".format(rname))) + + # Initialize all routers. + tgen.start_router() + + +def teardown_module(mod): + "Tear-down the test environment" + tgen = get_topogen() + tgen.stop_topology() + + +def is_iproute2_json_supported(): + """ + Checks if the command 'ip -j route' is supported. + """ + try: + output = subprocess.run( + ["ip", "-j", "route", "get", "0.0.0.0"], stdout=subprocess.PIPE + ).stdout.decode() + json.loads(output) + return True + except json.decoder.JSONDecodeError: + return False + + +@pytest.mark.skipif( + not is_iproute2_json_supported(), reason="'ip -j route' not supported" +) +def test_all_routes_advertised(): + tgen = get_topogen() + + if tgen.routers_have_failure(): + pytest.skip("Skipped because of router(s) failure") + + # networks advertised by each router and the expected next hops + networks = { + "r1": ("10.0.1.0/24", "203.0.113.1"), + "r2": ("10.0.2.0/24", "203.0.113.2"), + "r3": ("10.0.3.0/24", "203.0.113.3"), + "r4": ("10.0.4.0/24", "203.0.113.4"), + "r5": ("10.0.5.0/24", "203.0.113.5"), + "r6": ("10.0.6.0/24", "203.0.113.6"), + "r7": ("10.0.7.0/24", "203.0.113.7"), + "r8": ("10.0.8.0/24", "203.0.113.8"), + } + + for router_orig in tgen.routers().keys(): + for router_dest, network in networks.items(): + if router_orig != router_dest: + input_dict = { + router_orig: { + "static_routes": [ + { + "network": network[0], + } + ] + } + } + result = verify_ospf_rib( + tgen, router_orig, input_dict, next_hop=network[1] + ) + assert result is True, "Error: {}".format(result) + result = verify_rib( + tgen, "ipv4", router_orig, input_dict, next_hop=network[1] + ) + assert result is True, "Error: {}".format(result) + + check_route(router_orig, network[0], network[1]) + + +def check_route(router_name, network, expected_nexthop): + """ + Checks if the given network is present on the given router and has the + expected next hop. + """ + tgen = get_topogen() + router = tgen.gears[router_name] + + expected_response = { + network: [ + { + "prefix": network, + "protocol": "ospf", + "nexthops": [ + { + "ip": expected_nexthop, + "active": True, + }, + ], + }, + ], + } + + test_func = partial( + topotest.router_json_cmp, + router, + f"show ip route {network} json", + expected_response, + ) + _, result = topotest.run_and_expect(test_func, None, count=60, wait=1) + assert ( + result is None + ), f"{router_name} (ospfd): no route {network} via {expected_nexthop}" + + address = network.split("/")[0] + output = router.cmd(f"ip -j route get {address}") + logger.info(output) + routes = json.loads(output) + assert ( + routes[0]["gateway"] == expected_nexthop + ), f"{router_name} (kernel): no route {address} via {expected_nexthop}" + + +if __name__ == "__main__": + args = ["-s"] + sys.argv[1:] + sys.exit(pytest.main(args)) |