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tests: Super simple babel test

Browse Source 
Just get babel started and ensure that the v4 routes
are actually installed.

Signed-off-by: Donald Sharp <sharpd@nvidia.com>
This commit is contained in:
Donald Sharp 2023-01-28 11:17:08 -05:00
parent 6d078ff808
commit d844d516da
10 changed files with 539 additions and 0 deletions
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21
tests/topotests/babel_topo1/r1/babeld.conf Normal file
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log file eigrpd.log
interface r1-eth0
babel hello-interval 1000
babel wired
babel update-interval 50
!
interface r1-eth1
babel hello-interval 1000
babel wired
babel update-interval 50
!
router babel
network r1-eth0
network r1-eth1
redistribute ipv4 connected
redistribute ipv6 connected
!
line vty
!

80
tests/topotests/babel_topo1/r1/show_ip_route.json_ref Normal file
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{
"192.168.1.0/24":[
{
"prefix":"192.168.1.0/24",
"protocol":"connected",
"selected":true,
"nexthops":[
{
"fib":true,
"directlyConnected":true,
"interfaceName":"r1-eth0",
"active":true
}
]
}
],
"192.168.2.0/24":[
{
"prefix":"192.168.2.0/24",
"prefixLen":24,
"protocol":"babel",
"selected":true,
"nexthops":[
{
"fib":true,
"ip":"193.1.1.2",
"afi":"ipv4",
"interfaceName":"r1-eth1"
}
]
}
],
"192.168.3.0/24":[
{
"prefix":"192.168.3.0/24",
"protocol":"babel",
"selected":true,
"nexthops":[
{
"fib":true,
"ip":"193.1.1.2",
"afi":"ipv4",
"interfaceName":"r1-eth1",
"active":true
}
]
}
],
"193.1.1.0/26":[
{
"prefix":"193.1.1.0/26",
"protocol":"connected",
"selected":true,
"nexthops":[
{
"fib":true,
"directlyConnected":true,
"interfaceName":"r1-eth1",
"active":true
}
]
}
],
"193.1.2.0/24":[
{
"prefix":"193.1.2.0/24",
"protocol":"babel",
"selected":true,
"nexthops":[
{
"fib":true,
"ip":"193.1.1.2",
"afi":"ipv4",
"interfaceName":"r1-eth1",
"active":true
}
]
}
]
}

22
tests/topotests/babel_topo1/r1/zebra.conf Normal file
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log file zebra.log
! debug zebra rib detail
!
hostname r1
!
interface r1-eth0
ip address 192.168.1.1/24
ipv6 address 192:168:1::1/64
!
interface r1-eth1
description to sw2 - babel interface
ip address 193.1.1.1/26
ipv6 address 193:1:1::1/64
no link-detect
!
ip forwarding
ipv6 forwarding
!
!
line vty
!

18
tests/topotests/babel_topo1/r2/babeld.conf Normal file
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log file eigrpd.log
!
interface r2-eth0
babel hello-interval 1000
babel wired
babel update-interval 50
!
interface r2-eth1
babel hello-interval 1000
babel wired
babel update-interval 50
!
router babel
network r2-eth0
network r2-eth1
redistribute ipv4 connected
redistribute ipv6 connected
!

80
tests/topotests/babel_topo1/r2/show_ip_route.json_ref Normal file
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{
"192.168.1.0/24":[
{
"prefix":"192.168.1.0/24",
"protocol":"babel",
"selected":true,
"nexthops":[
{
"fib":true,
"ip":"193.1.1.1",
"afi":"ipv4",
"interfaceName":"r2-eth0",
"active":true
}
]
}
],
"192.168.2.0/24":[
{
"prefix":"192.168.2.0/24",
"protocol":"babel",
"selected":true,
"nexthops":[
{
"fib":true,
"ip":"193.1.2.2",
"afi":"ipv4",
"interfaceName":"r2-eth1",
"active":true
}
]
}
],
"192.168.3.0/24":[
{
"prefix":"192.168.3.0/24",
"protocol":"babel",
"selected":true,
"nexthops":[
{
"fib":true,
"ip":"193.1.2.2",
"afi":"ipv4",
"interfaceName":"r2-eth1",
"active":true
}
]
}
],
"193.1.1.0/26":[
{
"prefix":"193.1.1.0/26",
"protocol":"connected",
"selected":true,
"nexthops":[
{
"fib":true,
"directlyConnected":true,
"interfaceName":"r2-eth0",
"active":true
}
]
}
],
"193.1.2.0/24":[
{
"prefix":"193.1.2.0/24",
"protocol":"connected",
"selected":true,
"nexthops":[
{
"fib":true,
"directlyConnected":true,
"interfaceName":"r2-eth1",
"active":true
}
]
}
]
}

23
tests/topotests/babel_topo1/r2/zebra.conf Normal file
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log file zebra.log
!
hostname r2
!
interface r2-eth0
description to sw2 - babel interface
ip address 193.1.1.2/26
ipv6 address 193:1:1::2/64
no link-detect
!
interface r2-eth1
description to sw3 - babel interface
ip address 193.1.2.1/24
ipv6 address 193:1:2::1/64
no link-detect
!
ip forwarding
ipv6 forwarding
!
!
line vty
!

18
tests/topotests/babel_topo1/r3/babeld.conf Normal file
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log file eigrpd.log
!
interface r3-eth0
babel hello-interval 1000
babel wired
babel update-interval 50
!
interface r3-eth1
babel hello-interval 1000
babel wired
babel update-interval 50
!
router babel
network r3-eth0
network r3-eth1
redistribute ipv4 connected
redistribute ipv4 static
redistirbute ipv6 connected

81
tests/topotests/babel_topo1/r3/show_ip_route.json_ref Normal file
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{
"192.168.1.0/24":[
{
"prefix":"192.168.1.0/24",
"protocol":"babel",
"selected":true,
"nexthops":[
{
"fib":true,
"ip":"193.1.2.1",
"afi":"ipv4",
"interfaceName":"r3-eth1",
"active":true
}
]
}
],
"192.168.2.0/24":[
{
"prefix":"192.168.2.0/24",
"protocol":"static",
"selected":true,
"distance":1,
"nexthops":[
{
"fib":true,
"ip":"192.168.3.10",
"afi":"ipv4",
"interfaceName":"r3-eth0",
"active":true
}
]
}
],
"192.168.3.0/24":[
{
"prefix":"192.168.3.0/24",
"protocol":"connected",
"selected":true,
"nexthops":[
{
"fib":true,
"directlyConnected":true,
"interfaceName":"r3-eth0",
"active":true
}
]
}
],
"193.1.1.0/26":[
{
"prefix":"193.1.1.0/26",
"protocol":"babel",
"selected":true,
"nexthops":[
{
"fib":true,
"ip":"193.1.2.1",
"afi":"ipv4",
"interfaceName":"r3-eth1",
"active":true
}
]
}
],
"193.1.2.0/24":[
{
"prefix":"193.1.2.0/24",
"protocol":"connected",
"selected":true,
"nexthops":[
{
"fib":true,
"directlyConnected":true,
"interfaceName":"r3-eth1",
"active":true
}
]
}
]
}

25
tests/topotests/babel_topo1/r3/zebra.conf Normal file
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log file zebra.log
!
hostname r3
!
interface r3-eth0
description to sw4 - Stub interface
ip address 192.168.3.1/24
ipv6 address 192:168:3::1/64
no link-detect
!
interface r3-eth1
description to sw3 - RIPv2 interface
ip address 193.1.2.2/24
ipv6 address 193:1:2::2/64
no link-detect
!
ip route 192.168.2.0/24 192.168.3.10
ipv6 route 192:168:2::0/64 192:168:3::10
!
ip forwarding
ipv6 forwarding
!
!
line vty
!

171
tests/topotests/babel_topo1/test_babel_topo1.py Normal file
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#!/usr/bin/env python
#
# test_babel_topo1.py
#
# Copyright (c) 2017 by
# 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 NETDEF 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_babel_topo1.py: Testing BABEL
"""
import os
import re
import sys
import pytest
import json
pytestmark = [pytest.mark.babeld]
# Save the Current Working Directory to find configuration files.
CWD = os.path.dirname(os.path.realpath(__file__))
sys.path.append(os.path.join(CWD, "../"))
# pylint: disable=C0413
# Import topogen and topotest helpers
from lib import topotest
from lib.topogen import Topogen, TopoRouter, get_topogen
from lib.topolog import logger
# Required to instantiate the topology builder class.
#####################################################
##
## Network Topology Definition
##
#####################################################
def build_topo(tgen):
for routern in range(1, 4):
tgen.add_router("r{}".format(routern))
# On main router
# First switch is for a dummy interface (for local network)
switch = tgen.add_switch("sw1")
switch.add_link(tgen.gears["r1"])
# Switches for BABEL
# switch 2 switch is for connection to BABEL router
switch = tgen.add_switch("sw2")
switch.add_link(tgen.gears["r1"])
switch.add_link(tgen.gears["r2"])
# switch 4 is stub on remote BABEL router
switch = tgen.add_switch("sw4")
switch.add_link(tgen.gears["r3"])
# switch 3 is between BABEL routers
switch = tgen.add_switch("sw3")
switch.add_link(tgen.gears["r2"])
switch.add_link(tgen.gears["r3"])
#####################################################
##
## Tests starting
##
#####################################################
def setup_module(module):
"Setup topology"
tgen = Topogen(build_topo, module.__name__)
tgen.start_topology()
# This is a sample of configuration loading.
router_list = tgen.routers()
for rname, router in router_list.items():
router.load_config(
TopoRouter.RD_ZEBRA, os.path.join(CWD, "{}/zebra.conf".format(rname))
)
router.load_config(
TopoRouter.RD_BABEL, os.path.join(CWD, "{}/babeld.conf".format(rname))
)
tgen.start_router()
def teardown_module(_mod):
"Teardown the pytest environment"
tgen = get_topogen()
# This function tears down the whole topology.
tgen.stop_topology()
def test_converge_protocols():
"Wait for protocol convergence"
tgen = get_topogen()
# Don't run this test if we have any failure.
if tgen.routers_have_failure():
pytest.skip(tgen.errors)
topotest.sleep(10, "Waiting for BABEL convergence")
def test_zebra_ipv4_routingTable():
"Test 'show ip route'"
tgen = get_topogen()
# Don't run this test if we have any failure.
if tgen.routers_have_failure():
pytest.skip(tgen.errors)
failures = 0
router_list = tgen.routers().values()
for router in router_list:
output = router.vtysh_cmd("show ip route json", isjson=True)
refTableFile = "{}/{}/show_ip_route.json_ref".format(CWD, router.name)
expected = json.loads(open(refTableFile).read())
assertmsg = "Zebra IPv4 Routing Table verification failed for router {}".format(
router.name
)
assert topotest.json_cmp(output, expected) is None, assertmsg
def test_shutdown_check_stderr():
if os.environ.get("TOPOTESTS_CHECK_STDERR") is None:
pytest.skip("Skipping test for Stderr output and memory leaks")
tgen = get_topogen()
# Don't run this test if we have any failure.
if tgen.routers_have_failure():
pytest.skip(tgen.errors)
logger.info("Verifying unexpected STDERR output from daemons")
router_list = tgen.routers().values()
for router in router_list:
router.stop()
log = tgen.net[router.name].getStdErr("babeld")
if log:
logger.error("BABELd StdErr Log:" + log)
log = tgen.net[router.name].getStdErr("zebra")
if log:
logger.error("Zebra StdErr Log:" + log)
if __name__ == "__main__":
args = ["-s"] + sys.argv[1:]
sys.exit(pytest.main(args))