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#!/usr/bin/env python
# SPDX-License-Identifier: ISC
# Copyright (c) 2023 by
# Donatas Abraitis <donatas@opensourcerouting.org>
#
"""
Test if RIP `passive-interface default` and `no passive-interface IFNAME`
combination works as expected.
"""
import os
import sys
import json
import pytest
import functools
CWD = os.path.dirname(os.path.realpath(__file__))
sys.path.append(os.path.join(CWD, "../"))
# pylint: disable=C0413
from lib import topotest
from lib.topogen import Topogen, TopoRouter, get_topogen
from lib.common_config import step
pytestmark = [pytest.mark.ripd]
def setup_module(mod):
topodef = {"s1": ("r1", "r2", "r3")}
tgen = Topogen(topodef, mod.__name__)
tgen.start_topology()
router_list = tgen.routers()
for _, (rname, router) in enumerate(router_list.items(), 1):
router.load_frr_config(os.path.join(CWD, "{}/frr.conf".format(rname)))
tgen.start_router()
def teardown_module(mod):
tgen = get_topogen()
tgen.stop_topology()
def test_rip_passive_interface():
tgen = get_topogen()
if tgen.routers_have_failure():
pytest.skip(tgen.errors)
r1 = tgen.gears["r1"]
r2 = tgen.gears["r2"]
def _show_routes(nh_num):
output = json.loads(r1.vtysh_cmd("show ip route 10.10.10.1/32 json"))
expected = {
"10.10.10.1/32": [
{
"internalNextHopNum": nh_num,
"internalNextHopActiveNum": nh_num,
}
]
}
return topotest.json_cmp(output, expected)
test_func = functools.partial(_show_routes, 2)
_, result = topotest.run_and_expect(test_func, None, count=60, wait=1)
assert result is None, "Got 10.10.10.1/32, but the next-hop count is not 2"
step("Configure `passive-interface default` on r2")
r2.vtysh_cmd(
"""
configure terminal
router rip
passive-interface default
"""
)
test_func = functools.partial(_show_routes, 1)
_, result = topotest.run_and_expect(test_func, None, count=60, wait=1)
assert result is None, "Got 10.10.10.1/32, but the next-hop count is not 1"
step("Configure `no passive-interface r2-eth0` on r2 towards r1")
r2.vtysh_cmd(
"""
configure terminal
router rip
no passive-interface r2-eth0
"""
)
test_func = functools.partial(_show_routes, 2)
_, result = topotest.run_and_expect(test_func, None, count=60, wait=1)
assert result is None, "Got 10.10.10.1/32, but the next-hop count is not 2"
if __name__ == "__main__":
args = ["-s"] + sys.argv[1:]
sys.exit(pytest.main(args))
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