228 lines
6.7 KiB
Python
228 lines
6.7 KiB
Python
#!/usr/bin/env python
|
|
# SPDX-License-Identifier: ISC
|
|
|
|
#
|
|
# test_zebra_multiple_connected.py
|
|
#
|
|
# Copyright (c) 2022 by
|
|
# Nvidia Corporation
|
|
# Donald Sharp
|
|
#
|
|
|
|
"""
|
|
test_zebra_multiple_connected.py: Testing multiple connected
|
|
|
|
"""
|
|
|
|
import os
|
|
import sys
|
|
import pytest
|
|
import json
|
|
from functools import partial
|
|
from lib.topolog import logger
|
|
|
|
pytestmark = pytest.mark.random_order(disabled=True)
|
|
|
|
# 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
|
|
|
|
# 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 zebra
|
|
# switch 2 switch is for connection to zebra router
|
|
switch = tgen.add_switch("sw2")
|
|
switch.add_link(tgen.gears["r1"])
|
|
switch.add_link(tgen.gears["r2"])
|
|
|
|
# switch 4 is stub on remote zebra router
|
|
switch = tgen.add_switch("sw4")
|
|
switch.add_link(tgen.gears["r3"])
|
|
|
|
# switch 3 is between zebra 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))
|
|
)
|
|
|
|
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_zebra_connected_multiple():
|
|
"Test multiple connected routes that have a kernel route pointing at one"
|
|
|
|
tgen = get_topogen()
|
|
# Don't run this test if we have any failure.
|
|
if tgen.routers_have_failure():
|
|
pytest.skip(tgen.errors)
|
|
|
|
router = tgen.gears["r1"]
|
|
router.run("ip route add 192.168.1.1/32 via 10.0.1.99 dev r1-eth1")
|
|
router.run("ip link add dummy1 type dummy")
|
|
router.run("ip link set dummy1 up")
|
|
router.run("ip link set dummy1 down")
|
|
|
|
routes = "{}/{}/ip_route.json".format(CWD, router.name)
|
|
expected = json.loads(open(routes).read())
|
|
|
|
test_func = partial(
|
|
topotest.router_json_cmp, router, "show ip route json", expected
|
|
)
|
|
|
|
_, result = topotest.run_and_expect(test_func, None, count=20, wait=1)
|
|
assert result is None, "Kernel route is missing from zebra"
|
|
|
|
|
|
def test_zebra_system_recursion():
|
|
"Test a system route recursing through another system route"
|
|
|
|
tgen = get_topogen()
|
|
if tgen.routers_have_failure():
|
|
pytest.skip(tgen.errors)
|
|
|
|
router = tgen.gears["r1"]
|
|
router.run("ip route add 10.0.1.30/32 dev r1-eth1")
|
|
router.run("ip route add 10.9.9.0/24 via 10.0.1.30 dev r1-eth1")
|
|
router.run("ip link add dummy2 type dummy")
|
|
router.run("ip link set dummy2 up")
|
|
router.run("ip link set dummy2 down")
|
|
|
|
routes = "{}/{}/ip_route2.json".format(CWD, router.name)
|
|
expected = json.loads(open(routes).read())
|
|
test_func = partial(
|
|
topotest.router_json_cmp, router, "show ip route json", expected
|
|
)
|
|
|
|
_, result = topotest.run_and_expect(test_func, None, count=20, wait=1)
|
|
assert result is None, "Kernel route is missing from zebra"
|
|
|
|
|
|
def test_zebra_noprefix_connected():
|
|
"Test that a noprefixroute created does not create a connected route"
|
|
|
|
tgen = get_topogen()
|
|
if tgen.routers_have_failure():
|
|
pytest.skip(tgen.errors)
|
|
|
|
router = tgen.gears["r1"]
|
|
router.run("ip addr add 192.168.44.1/24 dev r1-eth1 noprefixroute")
|
|
expected = "% Network not in table"
|
|
test_func = partial(
|
|
topotest.router_output_cmp, router, "show ip route 192.168.44.0/24", expected
|
|
)
|
|
result, _ = topotest.run_and_expect(test_func, "", count=20, wait=1)
|
|
assert result, "Connected Route should not have been added"
|
|
|
|
|
|
def test_zebra_noprefix_connected_add():
|
|
"Test that a noprefixroute created with a manual route works as expected, this is for NetworkManager"
|
|
|
|
tgen = get_topogen()
|
|
if tgen.routers_have_failure():
|
|
pytest.skip(tgen.errors)
|
|
|
|
router = tgen.gears["r1"]
|
|
router.run("ip route add 192.168.44.0/24 dev r1-eth1")
|
|
|
|
connected = "{}/{}/ip_route_connected.json".format(CWD, router.name)
|
|
expected = json.loads(open(connected).read())
|
|
|
|
test_func = partial(
|
|
topotest.router_json_cmp, router, "show ip route 192.168.44.0/24 json", expected
|
|
)
|
|
result, _ = topotest.run_and_expect(test_func, None, count=20, wait=1)
|
|
assert result, "Connected Route should have been added\n{}".format(_)
|
|
|
|
|
|
def test_zebra_kernel_route_add():
|
|
"Test that a random kernel route is properly handled as expected"
|
|
|
|
tgen = get_topogen()
|
|
if tgen.routers_have_failure():
|
|
pytest.skip(tgen.errors)
|
|
|
|
router = tgen.gears["r1"]
|
|
router.run("ip route add 4.5.6.7/32 dev r1-eth1")
|
|
|
|
kernel = "{}/{}/ip_route_kernel.json".format(CWD, router.name)
|
|
expected = json.loads(open(kernel).read())
|
|
|
|
test_func = partial(
|
|
topotest.router_json_cmp, router, "show ip route 4.5.6.7/32 json", expected
|
|
)
|
|
result, _ = topotest.run_and_expect(test_func, None, count=20, wait=1)
|
|
assert result, "Connected Route should have been added\n{}".format(_)
|
|
|
|
|
|
def test_zebra_kernel_route_blackhole_add():
|
|
"Test that a blackhole route is not affected by interface's link change"
|
|
|
|
tgen = get_topogen()
|
|
if tgen.routers_have_failure():
|
|
pytest.skip(tgen.errors)
|
|
|
|
router = tgen.gears["r1"]
|
|
router.run("ip route add blackhole default")
|
|
router.run("ip link set dev r1-eth1 down")
|
|
|
|
kernel = "{}/{}/ip_route_kernel_blackhole.json".format(CWD, router.name)
|
|
expected = json.loads(open(kernel).read())
|
|
|
|
test_func = partial(
|
|
topotest.router_json_cmp, router, "show ip route 0.0.0.0/0 json", expected
|
|
)
|
|
result, _ = topotest.run_and_expect(test_func, None, count=20, wait=1)
|
|
assert result, "Blackhole Route should have not been removed\n{}".format(_)
|
|
|
|
|
|
if __name__ == "__main__":
|
|
args = ["-s"] + sys.argv[1:]
|
|
sys.exit(pytest.main(args))
|