138 lines
3.9 KiB
Python
138 lines
3.9 KiB
Python
#!/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
|
|
|
|
|
|
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 _, (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)
|
|
_, 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)
|
|
_, 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)
|
|
_, 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))
|