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#!/usr/bin/env python
# SPDX-License-Identifier: ISC
#
# test_bgp_prefix_sid2.py
# Part of NetDEF Topology Tests
#
# Copyright (c) 2020 by LINE Corporation
# Copyright (c) 2020 by Hiroki Shirokura <slank.dev@gmail.com>
#
"""
test_bgp_prefix_sid2.py: Test BGP topology with EBGP on prefix-sid
"""
import json
import os
import sys
import functools
import pytest
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.topolog import logger
pytestmark = [pytest.mark.bgpd]
def build_topo(tgen):
router = tgen.add_router("r1")
switch = tgen.add_switch("s1")
switch.add_link(router)
switch = tgen.gears["s1"]
peer1 = tgen.add_exabgp_peer("peer1", ip="10.0.0.101", defaultRoute="via 10.0.0.1")
switch.add_link(peer1)
def setup_module(module):
tgen = Topogen(build_topo, module.__name__)
tgen.start_topology()
router = tgen.gears["r1"]
router.load_config(
TopoRouter.RD_ZEBRA, os.path.join(CWD, "{}/zebra.conf".format("r1"))
)
router.load_config(
TopoRouter.RD_BGP, os.path.join(CWD, "{}/bgpd.conf".format("r1"))
)
router.start()
logger.info("starting exaBGP")
peer_list = tgen.exabgp_peers()
for pname, peer in peer_list.items():
logger.info("starting exaBGP on {}".format(pname))
peer_dir = os.path.join(CWD, pname)
env_file = os.path.join(CWD, pname, "exabgp.env")
logger.info("Running ExaBGP peer on {}".format(pname))
peer.start(peer_dir, env_file)
logger.info(pname)
def teardown_module(module):
tgen = get_topogen()
tgen.stop_topology()
def open_json_file(filename):
try:
with open(filename, "r") as f:
return json.load(f)
except IOError:
assert False, "Could not read file {}".format(filename)
def test_r1_rib():
def _check(name, cmd, expected_file):
logger.info("polling")
tgen = get_topogen()
router = tgen.gears[name]
output = json.loads(router.vtysh_cmd(cmd))
expected = open_json_file("{}/{}".format(CWD, expected_file))
return topotest.json_cmp(output, expected)
def check(name, cmd, expected_file):
logger.info('[+] check {} "{}" {}'.format(name, cmd, expected_file))
tgen = get_topogen()
func = functools.partial(_check, name, cmd, expected_file)
success, result = topotest.run_and_expect(func, None, count=10, wait=0.5)
assert result is None, "Failed"
check("r1", "show bgp ipv6 vpn 2001:1::/64 json", "r1/vpnv6_rib_entry1.json")
check("r1", "show bgp ipv6 vpn 2001:2::/64 json", "r1/vpnv6_rib_entry2.json")
if __name__ == "__main__":
args = ["-s"] + sys.argv[1:]
ret = pytest.main(args)
sys.exit(ret)
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