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#!/usr/bin/env python
# SPDX-License-Identifier: ISC
#
# bgp_aggregate-address_route-map.py
# Part of NetDEF Topology Tests
#
# Copyright (c) 2019 by
# Network Device Education Foundation, Inc. ("NetDEF")
#
"""
bgp_aggregate-address_route-map.py:
Test if works the following commands:
router bgp 65031
address-family ipv4 unicast
aggregate-address 192.168.255.0/24 route-map aggr-rmap
route-map aggr-rmap permit 10
set metric 123
"""
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
pytestmark = [pytest.mark.bgpd]
def build_topo(tgen):
for routern in range(1, 3):
tgen.add_router("r{}".format(routern))
switch = tgen.add_switch("s1")
switch.add_link(tgen.gears["r1"])
switch.add_link(tgen.gears["r2"])
def setup_module(mod):
tgen = Topogen(build_topo, mod.__name__)
tgen.start_topology()
router_list = tgen.routers()
for i, (rname, router) in enumerate(router_list.items(), 1):
router.load_config(
TopoRouter.RD_ZEBRA, os.path.join(CWD, "{}/zebra.conf".format(rname))
)
router.load_config(
TopoRouter.RD_BGP, os.path.join(CWD, "{}/bgpd.conf".format(rname))
)
tgen.start_router()
def teardown_module(mod):
tgen = get_topogen()
tgen.stop_topology()
def test_bgp_maximum_prefix_invalid():
tgen = get_topogen()
if tgen.routers_have_failure():
pytest.skip(tgen.errors)
r1 = tgen.gears["r1"]
r2 = tgen.gears["r2"]
def _bgp_converge(router):
output = json.loads(router.vtysh_cmd("show ip bgp neighbor 192.168.255.1 json"))
expected = {
"192.168.255.1": {
"bgpState": "Established",
"addressFamilyInfo": {"ipv4Unicast": {"acceptedPrefixCounter": 3}},
}
}
return topotest.json_cmp(output, expected)
def _bgp_aggregate_address_has_metric(router, metric):
output = json.loads(router.vtysh_cmd("show ip bgp 172.16.255.0/24 json"))
expected = {"paths": [{"metric": metric}]}
return topotest.json_cmp(output, expected)
test_func = functools.partial(_bgp_converge, r2)
_, result = topotest.run_and_expect(test_func, None, count=30, wait=0.5)
assert result is None, "Failed to see bgp convergence in r2"
test_func = functools.partial(_bgp_aggregate_address_has_metric, r2, 123)
_, result = topotest.run_and_expect(test_func, None, count=30, wait=0.5)
assert result is None, "Failed to see applied metric for aggregated prefix in r2"
r1.vtysh_cmd(
"""
configure terminal
route-map aggr-rmap permit 10
set metric 666
"""
)
test_func = functools.partial(_bgp_aggregate_address_has_metric, r2, 666)
_, result = topotest.run_and_expect(test_func, None, count=30, wait=0.5)
assert result is None, "Failed to see applied metric for aggregated prefix in r2"
if __name__ == "__main__":
args = ["-s"] + sys.argv[1:]
sys.exit(pytest.main(args))
|
