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#!/usr/bin/env python
# SPDX-License-Identifier: ISC
# Copyright (c) 2021 by
# Donatas Abraitis <donatas.abraitis@gmail.com>
#
"""
Test if BGP community alias is visible in CLI outputs
"""
import os
import sys
import json
import pytest
import functools
pytestmark = pytest.mark.bgpd
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_community_alias():
tgen = get_topogen()
if tgen.routers_have_failure():
pytest.skip(tgen.errors)
router = tgen.gears["r1"]
def _bgp_converge(router):
output = json.loads(router.vtysh_cmd("show ip route json"))
expected = {
"172.16.16.1/32": [
{
"tag": 10,
"communities": "community-r2-1 65001:2",
"largeCommunities": "large-community-r2-1 65001:1:2",
}
],
"172.16.16.2/32": [
{
"tag": 20,
"communities": "65002:1 community-r2-2",
"largeCommunities": "",
}
],
"172.16.16.3/32": [
{
"tag": 100,
"communities": "",
"largeCommunities": "",
}
],
}
return topotest.json_cmp(output, expected)
test_func = functools.partial(_bgp_converge, router)
success, result = topotest.run_and_expect(test_func, None, count=60, wait=0.5)
assert result is None, "Cannot see BGP community aliases at r1"
def _bgp_show_prefixes_by_alias(router):
output = json.loads(
router.vtysh_cmd(
"show bgp ipv4 unicast alias large-community-r2-1 json detail"
)
)
expected = {
"routes": {
"172.16.16.1/32": {
"paths": [
{
"community": {"string": "community-r2-1 65001:2"},
"largeCommunity": {
"string": "large-community-r2-1 65001:1:2"
},
}
]
}
}
}
return topotest.json_cmp(output, expected)
test_func = functools.partial(_bgp_show_prefixes_by_alias, router)
success, result = topotest.run_and_expect(test_func, None, count=60, wait=0.5)
assert result is None, "Cannot see BGP prefixes by community alias at r1"
def _bgp_show_prefixes_by_large_community_list(router):
output = json.loads(
router.vtysh_cmd("show bgp ipv4 unicast large-community-list r2 json")
)
expected = {"routes": {"172.16.16.1/32": [{"valid": True}]}}
return topotest.json_cmp(output, expected)
test_func = functools.partial(_bgp_show_prefixes_by_large_community_list, router)
success, result = topotest.run_and_expect(test_func, None, count=60, wait=0.5)
assert result is None, "Cannot see BGP prefixes by large community list at r1"
if __name__ == "__main__":
args = ["-s"] + sys.argv[1:]
sys.exit(pytest.main(args))
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