mirror of
https://git.proxmox.com/git/mirror_frr
synced 2025-07-10 03:11:23 +00:00
e63801cd5f
This test establishes a binding between nbma ip of a spoke and its protocol address. This information is pushed to hub. Signed-off-by: Philippe Guibert <philippe.guibert@6wind.com>
222 lines
7.1 KiB
Python
222 lines
7.1 KiB
Python
#!/usr/bin/env python
|
|
|
|
#
|
|
# test_nhrp_topo.py
|
|
# Part of NetDEF Topology Tests
|
|
#
|
|
# Copyright (c) 2019 by
|
|
# Network Device Education Foundation, Inc. ("NetDEF")
|
|
#
|
|
# 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_nhrp_topo.py: Test the FRR/Quagga NHRP daemon
|
|
"""
|
|
|
|
import os
|
|
import sys
|
|
import json
|
|
from functools import partial
|
|
import pytest
|
|
|
|
# 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.
|
|
from mininet.topo import Topo
|
|
|
|
|
|
class NHRPTopo(Topo):
|
|
"Test topology builder"
|
|
def build(self, *_args, **_opts):
|
|
"Build function"
|
|
tgen = get_topogen(self)
|
|
|
|
# Create 3 routers.
|
|
for routern in range(1, 4):
|
|
tgen.add_router('r{}'.format(routern))
|
|
|
|
switch = tgen.add_switch('s1')
|
|
switch.add_link(tgen.gears['r1'])
|
|
switch.add_link(tgen.gears['r3'])
|
|
switch = tgen.add_switch('s2')
|
|
switch.add_link(tgen.gears['r2'])
|
|
switch.add_link(tgen.gears['r3'])
|
|
switch = tgen.add_switch('s3')
|
|
switch.add_link(tgen.gears['r2'])
|
|
switch = tgen.add_switch('s4')
|
|
switch.add_link(tgen.gears['r1'])
|
|
|
|
|
|
def _populate_iface():
|
|
tgen = get_topogen()
|
|
cmds_tot_hub = ['ip tunnel add {0}-gre0 mode gre ttl 64 key 42 dev {0}-eth0 local 10.2.1.{1} remote 0.0.0.0',
|
|
'ip link set dev {0}-gre0 up',
|
|
'echo 0 > /proc/sys/net/ipv4/ip_forward_use_pmtu',
|
|
'echo 1 > /proc/sys/net/ipv6/conf/{0}-eth0/disable_ipv6',
|
|
'echo 1 > /proc/sys/net/ipv6/conf/{0}-gre0/disable_ipv6']
|
|
|
|
cmds_tot = ['ip tunnel add {0}-gre0 mode gre ttl 64 key 42 dev {0}-eth0 local 10.1.1.{1} remote 0.0.0.0',
|
|
'ip link set dev {0}-gre0 up',
|
|
'echo 0 > /proc/sys/net/ipv4/ip_forward_use_pmtu',
|
|
'echo 1 > /proc/sys/net/ipv6/conf/{0}-eth0/disable_ipv6',
|
|
'echo 1 > /proc/sys/net/ipv6/conf/{0}-gre0/disable_ipv6']
|
|
|
|
for cmd in cmds_tot_hub:
|
|
input = cmd.format('r2', '2')
|
|
logger.info('input: '+cmd)
|
|
output = tgen.net['r2'].cmd(cmd.format('r2', '2'))
|
|
logger.info('output: '+output);
|
|
|
|
for cmd in cmds_tot:
|
|
input = cmd.format('r1', '1')
|
|
logger.info('input: '+cmd)
|
|
output = tgen.net['r1'].cmd(cmd.format('r1', '1'))
|
|
logger.info('output: '+output);
|
|
|
|
|
|
def setup_module(mod):
|
|
"Sets up the pytest environment"
|
|
tgen = Topogen(NHRPTopo, mod.__name__)
|
|
tgen.start_topology()
|
|
|
|
router_list = tgen.routers()
|
|
_populate_iface()
|
|
|
|
for rname, router in router_list.iteritems():
|
|
router.load_config(
|
|
TopoRouter.RD_ZEBRA,
|
|
os.path.join(CWD, '{}/zebra.conf'.format(rname)),
|
|
)
|
|
if rname in ('r1', 'r2'):
|
|
router.load_config(
|
|
TopoRouter.RD_NHRP,
|
|
os.path.join(CWD, '{}/nhrpd.conf'.format(rname))
|
|
)
|
|
|
|
# Initialize all routers.
|
|
logger.info('Launching BGP, NHRP')
|
|
for name in router_list:
|
|
router = tgen.gears[name]
|
|
router.start()
|
|
|
|
|
|
def teardown_module(_mod):
|
|
"Teardown the pytest environment"
|
|
tgen = get_topogen()
|
|
tgen.stop_topology()
|
|
|
|
|
|
def test_protocols_convergence():
|
|
"""
|
|
Assert that all protocols have converged before checking for the NHRP
|
|
statuses as they depend on it.
|
|
"""
|
|
tgen = get_topogen()
|
|
if tgen.routers_have_failure():
|
|
pytest.skip(tgen.errors)
|
|
|
|
# Check IPv4 routing tables.
|
|
logger.info("Checking NHRP cache and IPv4 routes for convergence")
|
|
router_list = tgen.routers()
|
|
|
|
for rname, router in router_list.iteritems():
|
|
if rname == 'r3':
|
|
continue
|
|
|
|
json_file = '{}/{}/nhrp4_cache.json'.format(CWD, router.name)
|
|
if not os.path.isfile(json_file):
|
|
logger.info('skipping file {}'.format(json_file))
|
|
continue
|
|
|
|
expected = json.loads(open(json_file).read())
|
|
test_func = partial(topotest.router_json_cmp,
|
|
router, 'show ip nhrp cache json', expected)
|
|
_, result = topotest.run_and_expect(test_func, None, count=40,
|
|
wait=0.5)
|
|
|
|
output = router.vtysh_cmd('show ip nhrp cache')
|
|
logger.info(output)
|
|
|
|
assertmsg = '"{}" JSON output mismatches'.format(router.name)
|
|
assert result is None, assertmsg
|
|
|
|
for rname, router in router_list.iteritems():
|
|
if rname == 'r3':
|
|
continue
|
|
|
|
json_file = '{}/{}/nhrp_route4.json'.format(CWD, router.name)
|
|
if not os.path.isfile(json_file):
|
|
logger.info('skipping file {}'.format(json_file))
|
|
continue
|
|
|
|
expected = json.loads(open(json_file).read())
|
|
test_func = partial(topotest.router_json_cmp,
|
|
router, 'show ip route nhrp json', expected)
|
|
_, result = topotest.run_and_expect(test_func, None, count=40,
|
|
wait=0.5)
|
|
|
|
output = router.vtysh_cmd('show ip route nhrp')
|
|
logger.info(output)
|
|
|
|
assertmsg = '"{}" JSON output mismatches'.format(router.name)
|
|
assert result is None, assertmsg
|
|
|
|
for rname, router in router_list.iteritems():
|
|
if rname == 'r3':
|
|
continue
|
|
logger.info('Dump neighbor information on {}-gre0'.format(rname))
|
|
output = router.run('ip neigh show')
|
|
logger.info(output)
|
|
|
|
|
|
def test_nhrp_connection():
|
|
"Assert that the NHRP peers can find themselves."
|
|
tgen = get_topogen()
|
|
if tgen.routers_have_failure():
|
|
pytest.skip(tgen.errors)
|
|
|
|
pingrouter = tgen.gears['r1']
|
|
logger.info('Check Ping IPv4 from R1 to R2 = 10.255.255.2)')
|
|
output = pingrouter.run('ping 10.255.255.2 -f -c 1000')
|
|
logger.info(output)
|
|
if '1000 packets transmitted, 1000 received' not in output:
|
|
assertmsg = 'expected ping IPv4 from R1 to R2 should be ok'
|
|
assert 0, assertmsg
|
|
else:
|
|
logger.info('Check Ping IPv4 from R1 to R2 OK')
|
|
|
|
|
|
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))
|