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#!/usr/bin/env python
#
# test_bgp.py
#
# Copyright (c) 2018 Cumulus Networks, Inc.
# Donald Sharp
#
# Permission to use, copy, modify, and/or distribute this software
# for any purpose with or without fee is hereby granted, provided
# that the above copyright notice and this permission notice appear
# in all copies.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND Cumulus Networks DISCLAIMS ALL WARRANTIES
# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NETDEF BE LIABLE FOR
# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY
# DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
# WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
# ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
# OF THIS SOFTWARE.
#
"""
test_bgp.py: Test basic vrf route leaking
"""
import json
import os
import sys
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
from mininet.topo import Topo
class BGPVRFTopo(Topo):
def build(self, *_args, **_opts):
"Build function"
tgen = get_topogen(self)
for routern in range(1, 2):
tgen.add_router("r{}".format(routern))
def setup_module(mod):
"Sets up the pytest environment"
tgen = Topogen(BGPVRFTopo, mod.__name__)
tgen.start_topology()
# For all registered routers, load the zebra configuration file
for rname, router in tgen.routers().iteritems():
router.run("/bin/bash {}/setup_vrfs".format(CWD))
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))
)
# After loading the configurations, this function loads configured daemons.
tgen.start_router()
# tgen.mininet_cli()
def teardown_module(mod):
"Teardown the pytest environment"
tgen = get_topogen()
# This function tears down the whole topology.
tgen.stop_topology()
def test_vrf_route_leak():
logger.info("Ensure that routes are leaked back and forth")
tgen = get_topogen()
# Don't run this test if we have any failure.
if tgen.routers_have_failure():
pytest.skip(tgen.errors)
r1 = tgen.gears["r1"]
donna = r1.vtysh_cmd("show ip route vrf DONNA json", isjson=True)
route0 = donna["10.0.0.0/24"][0]
assert route0["protocol"] == "connected"
route1 = donna["10.0.1.0/24"][0]
assert route1["protocol"] == "bgp"
assert route1["selected"] == True
nhop = route1["nexthops"][0]
assert nhop["fib"] == True
route2 = donna["10.0.2.0/24"][0]
assert route2["protocol"] == "connected"
route3 = donna["10.0.3.0/24"][0]
assert route3["protocol"] == "bgp"
assert route3["selected"] == True
nhop = route3["nexthops"][0]
assert nhop["fib"] == True
eva = r1.vtysh_cmd("show ip route vrf EVA json", isjson=True)
route0 = eva["10.0.0.0/24"][0]
assert route0["protocol"] == "bgp"
assert route0["selected"] == True
nhop = route0["nexthops"][0]
assert nhop["fib"] == True
route1 = eva["10.0.1.0/24"][0]
assert route1["protocol"] == "connected"
route2 = eva["10.0.2.0/24"][0]
assert route2["protocol"] == "bgp"
assert route2["selected"] == True
nhop = route2["nexthops"][0]
assert nhop["fib"] == True
route3 = eva["10.0.3.0/24"][0]
assert route3["protocol"] == "connected"
# tgen.mininet_cli()
def test_memory_leak():
"Run the memory leak test and report results."
tgen = get_topogen()
if not tgen.is_memleak_enabled():
pytest.skip("Memory leak test/report is disabled")
tgen.report_memory_leaks()
if __name__ == "__main__":
args = ["-s"] + sys.argv[1:]
sys.exit(pytest.main(args))
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