522 lines
14 KiB
Python
522 lines
14 KiB
Python
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#!/usr/bin/env python
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# SPDX-License-Identifier: ISC
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#
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# test_bgp-vrf-route-leak-basic.py
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#
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# Copyright (c) 2018 Cumulus Networks, Inc.
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# Donald Sharp
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#
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"""
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test_bgp-vrf-route-leak-basic.py.py: Test basic vrf route leaking
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"""
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import os
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import sys
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from functools import partial
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import pytest
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CWD = os.path.dirname(os.path.realpath(__file__))
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sys.path.append(os.path.join(CWD, "../"))
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# pylint: disable=C0413
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from lib import topotest
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from lib.topogen import Topogen, TopoRouter, get_topogen
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from lib.topolog import logger
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from lib.checkping import check_ping
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pytestmark = [pytest.mark.bgpd]
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def build_topo(tgen):
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"Build function"
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for routern in range(1, 2):
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tgen.add_router("r{}".format(routern))
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def setup_module(mod):
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"Sets up the pytest environment"
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tgen = Topogen(build_topo, mod.__name__)
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tgen.start_topology()
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# For all registered routers, load the zebra configuration file
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for rname, router in tgen.routers().items():
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router.run("/bin/bash {}/setup_vrfs".format(CWD))
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router.load_config(
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TopoRouter.RD_ZEBRA, os.path.join(CWD, "{}/zebra.conf".format(rname))
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)
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router.load_config(
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TopoRouter.RD_BGP, os.path.join(CWD, "{}/bgpd.conf".format(rname))
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)
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# After loading the configurations, this function loads configured daemons.
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tgen.start_router()
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# tgen.mininet_cli()
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def teardown_module(mod):
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"Teardown the pytest environment"
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tgen = get_topogen()
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# This function tears down the whole topology.
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tgen.stop_topology()
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def test_vrf_route_leak_donna():
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logger.info("Ensure that routes are leaked back and forth")
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tgen = get_topogen()
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# Don't run this test if we have any failure.
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if tgen.routers_have_failure():
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pytest.skip(tgen.errors)
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r1 = tgen.gears["r1"]
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# Test DONNA VRF.
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expect = {
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"10.0.0.0/24": [
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{
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"protocol": "connected",
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}
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],
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"10.0.1.0/24": [
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{
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"protocol": "bgp",
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"selected": True,
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"nexthops": [
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{
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"fib": True,
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"interfaceName": "EVA",
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"vrf": "EVA",
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"active": True,
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},
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],
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},
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],
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"10.0.2.0/24": [{"protocol": "connected"}],
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"10.0.3.0/24": [
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{
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"protocol": "bgp",
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"selected": True,
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"nexthops": [
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{
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"fib": True,
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"interfaceName": "EVA",
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"vrf": "EVA",
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"active": True,
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},
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],
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},
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],
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"10.0.4.0/24": [
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{
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"protocol": "bgp",
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"selected": True,
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"nexthops": [
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{
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"fib": True,
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"interfaceName": "dummy0",
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"vrf": "default",
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"active": True,
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},
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],
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},
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],
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"172.16.101.0/24": [
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{
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"protocol": "bgp",
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"selected": None,
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"nexthops": [
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{
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"fib": None,
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"interfaceName": "unknown",
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"vrf": "Unknown",
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"active": None,
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},
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],
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},
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],
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}
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test_func = partial(
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topotest.router_json_cmp, r1, "show ip route vrf DONNA json", expect
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)
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result, diff = topotest.run_and_expect(test_func, None, count=10, wait=0.5)
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assert result, "BGP VRF DONNA check failed:\n{}".format(diff)
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def test_vrf_route_leak_eva():
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logger.info("Ensure that routes are leaked back and forth")
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tgen = get_topogen()
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# Don't run this test if we have any failure.
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if tgen.routers_have_failure():
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pytest.skip(tgen.errors)
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r1 = tgen.gears["r1"]
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# Test EVA VRF.
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expect = {
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"10.0.0.0/24": [
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{
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"protocol": "bgp",
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"selected": True,
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"nexthops": [
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{
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"fib": True,
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"interfaceName": "DONNA",
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"vrf": "DONNA",
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"active": True,
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},
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],
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},
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],
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"10.0.1.0/24": [
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{
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"protocol": "connected",
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}
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],
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"10.0.2.0/24": [
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{
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"protocol": "bgp",
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"selected": True,
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"nexthops": [
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{
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"fib": True,
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"interfaceName": "DONNA",
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"vrf": "DONNA",
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"active": True,
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},
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],
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},
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],
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"10.0.3.0/24": [
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{
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"protocol": "connected",
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}
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],
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"172.16.101.0/24": [
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{
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"protocol": "bgp",
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"selected": None,
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"nexthops": [
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{
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"fib": None,
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"interfaceName": "unknown",
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"vrf": "Unknown",
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"active": None,
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},
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],
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},
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],
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}
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test_func = partial(
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topotest.router_json_cmp, r1, "show ip route vrf EVA json", expect
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)
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result, diff = topotest.run_and_expect(test_func, None, count=10, wait=0.5)
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assert result, "BGP VRF EVA check failed:\n{}".format(diff)
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def test_vrf_route_leak_default():
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logger.info("Ensure that routes are leaked back and forth")
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tgen = get_topogen()
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# Don't run this test if we have any failure.
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if tgen.routers_have_failure():
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pytest.skip(tgen.errors)
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r1 = tgen.gears["r1"]
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# Test default VRF.
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expect = {
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"10.0.0.0/24": [
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{
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"protocol": "bgp",
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"selected": True,
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"nexthops": [
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{
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"fib": True,
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"interfaceName": "DONNA",
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"vrf": "DONNA",
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"active": True,
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},
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],
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},
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],
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"10.0.2.0/24": [
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{
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"protocol": "bgp",
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"selected": True,
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"nexthops": [
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{
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"fib": True,
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"interfaceName": "DONNA",
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"vrf": "DONNA",
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"active": True,
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},
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],
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},
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],
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"10.0.4.0/24": [
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{
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"protocol": "connected",
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}
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],
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}
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test_func = partial(topotest.router_json_cmp, r1, "show ip route json", expect)
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result, diff = topotest.run_and_expect(test_func, None, count=10, wait=0.5)
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assert result, "BGP VRF default check failed:\n{}".format(diff)
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def test_ping():
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"Simple ping tests"
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tgen = get_topogen()
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# Don't run this test if we have any failure.
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if tgen.routers_have_failure():
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pytest.skip(tgen.errors)
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r1 = tgen.gears["r1"]
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logger.info("Ping from default to DONNA")
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check_ping("r1", "10.0.0.1", True, 10, 0.5, source_addr="10.0.4.1")
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def test_vrf_route_leak_donna_after_eva_down():
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logger.info("Ensure that route states change after EVA interface goes down")
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tgen = get_topogen()
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# Don't run this test if we have any failure.
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if tgen.routers_have_failure():
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pytest.skip(tgen.errors)
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r1 = tgen.gears["r1"]
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r1.vtysh_cmd(
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"""
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configure
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interface EVA
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shutdown
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"""
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)
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# Test DONNA VRF.
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expect = {
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"10.0.1.0/24": [
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{
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"protocol": "bgp",
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"selected": None,
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"nexthops": [
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{
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"fib": None,
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"interfaceName": "EVA",
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"vrf": "EVA",
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"active": None,
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},
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],
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},
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],
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"10.0.3.0/24": [
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{
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"protocol": "bgp",
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"selected": None,
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"nexthops": [
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{
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"fib": None,
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"interfaceName": "EVA",
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"vrf": "EVA",
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"active": None,
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},
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],
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},
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],
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}
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test_func = partial(
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topotest.router_json_cmp, r1, "show ip route vrf DONNA json", expect
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)
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result, diff = topotest.run_and_expect(test_func, None, count=10, wait=0.5)
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assert result, "BGP VRF DONNA check failed:\n{}".format(diff)
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"""
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Check that "show ip route vrf DONNA json" and the JSON at key "DONNA" of
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"show ip route vrf all json" gives the same result.
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"""
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def check_vrf_table(router, vrf, expect):
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output = router.vtysh_cmd("show ip route vrf all json", isjson=True)
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vrf_table = output.get(vrf, {})
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return topotest.json_cmp(vrf_table, expect)
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test_func = partial(check_vrf_table, r1, "DONNA", expect)
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result, diff = topotest.run_and_expect(test_func, None, count=10, wait=0.5)
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assert result, "BGP VRF DONNA check failed:\n{}".format(diff)
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def test_vrf_route_leak_donna_after_eva_up():
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logger.info("Ensure that route states change after EVA interface goes up")
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tgen = get_topogen()
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# Don't run this test if we have any failure.
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if tgen.routers_have_failure():
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pytest.skip(tgen.errors)
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r1 = tgen.gears["r1"]
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r1.vtysh_cmd(
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"""
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configure
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interface EVA
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no shutdown
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"""
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)
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# Test DONNA VRF.
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expect = {
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"10.0.1.0/24": [
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{
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"protocol": "bgp",
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"selected": True,
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"nexthops": [
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{
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"fib": True,
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"interfaceName": "EVA",
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"vrf": "EVA",
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"active": True,
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},
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],
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},
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],
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"10.0.3.0/24": [
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{
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"protocol": "bgp",
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"selected": True,
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"nexthops": [
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{
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"fib": True,
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"interfaceName": "EVA",
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"vrf": "EVA",
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"active": True,
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},
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],
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},
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],
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}
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test_func = partial(
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topotest.router_json_cmp, r1, "show ip route vrf DONNA json", expect
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)
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result, diff = topotest.run_and_expect(test_func, None, count=10, wait=0.5)
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|
|
assert result, "BGP VRF DONNA check failed:\n{}".format(diff)
|
||
|
|
|
||
|
|
|
||
|
|
def test_vrf_route_leak_donna_add_vrf_zita():
|
||
|
|
logger.info("Add VRF ZITA and ensure that the route from VRF ZITA is updated")
|
||
|
|
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"]
|
||
|
|
r1.cmd("ip link add ZITA type vrf table 1003")
|
||
|
|
|
||
|
|
# Test DONNA VRF.
|
||
|
|
expect = {
|
||
|
|
"172.16.101.0/24": [
|
||
|
|
{
|
||
|
|
"protocol": "bgp",
|
||
|
|
"selected": None,
|
||
|
|
"nexthops": [
|
||
|
|
{
|
||
|
|
"fib": None,
|
||
|
|
"interfaceName": "ZITA",
|
||
|
|
"vrf": "ZITA",
|
||
|
|
"active": None,
|
||
|
|
},
|
||
|
|
],
|
||
|
|
},
|
||
|
|
],
|
||
|
|
}
|
||
|
|
|
||
|
|
test_func = partial(
|
||
|
|
topotest.router_json_cmp, r1, "show ip route vrf DONNA json", expect
|
||
|
|
)
|
||
|
|
result, diff = topotest.run_and_expect(test_func, None, count=10, wait=0.5)
|
||
|
|
assert result, "BGP VRF DONNA check failed:\n{}".format(diff)
|
||
|
|
|
||
|
|
|
||
|
|
def test_vrf_route_leak_donna_set_zita_up():
|
||
|
|
logger.info("Set VRF ZITA up and ensure that the route from VRF ZITA is updated")
|
||
|
|
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"]
|
||
|
|
r1.vtysh_cmd(
|
||
|
|
"""
|
||
|
|
configure
|
||
|
|
interface ZITA
|
||
|
|
no shutdown
|
||
|
|
"""
|
||
|
|
)
|
||
|
|
|
||
|
|
# Test DONNA VRF.
|
||
|
|
expect = {
|
||
|
|
"172.16.101.0/24": [
|
||
|
|
{
|
||
|
|
"protocol": "bgp",
|
||
|
|
"selected": True,
|
||
|
|
"nexthops": [
|
||
|
|
{
|
||
|
|
"fib": True,
|
||
|
|
"interfaceName": "ZITA",
|
||
|
|
"vrf": "ZITA",
|
||
|
|
"active": True,
|
||
|
|
},
|
||
|
|
],
|
||
|
|
},
|
||
|
|
],
|
||
|
|
}
|
||
|
|
|
||
|
|
test_func = partial(
|
||
|
|
topotest.router_json_cmp, r1, "show ip route vrf DONNA json", expect
|
||
|
|
)
|
||
|
|
result, diff = topotest.run_and_expect(test_func, None, count=10, wait=0.5)
|
||
|
|
assert result, "BGP VRF DONNA check failed:\n{}".format(diff)
|
||
|
|
|
||
|
|
|
||
|
|
def test_vrf_route_leak_donna_delete_vrf_zita():
|
||
|
|
logger.info("Delete VRF ZITA and ensure that the route from VRF ZITA is deleted")
|
||
|
|
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"]
|
||
|
|
r1.cmd("ip link delete ZITA")
|
||
|
|
|
||
|
|
# Test DONNA VRF.
|
||
|
|
expect = {
|
||
|
|
"172.16.101.0/24": None,
|
||
|
|
}
|
||
|
|
|
||
|
|
test_func = partial(
|
||
|
|
topotest.router_json_cmp, r1, "show ip route vrf DONNA json", expect
|
||
|
|
)
|
||
|
|
result, diff = topotest.run_and_expect(test_func, None, count=10, wait=0.5)
|
||
|
|
assert result, "BGP VRF DONNA check failed:\n{}".format(diff)
|
||
|
|
|
||
|
|
|
||
|
|
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))
|