From 2c7cac91ed6e7db0f6937923d2b57f97dbdbc337 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 28 Apr 2024 11:53:30 +0200 Subject: Adding upstream version 8.4.4. Signed-off-by: Daniel Baumann --- .../topotests/zebra_nht_resolution/r1/sharpd.conf | 0 tests/topotests/zebra_nht_resolution/r1/zebra.conf | 5 + .../test_verify_nh_resolution.py | 166 +++++++++++++++++++++ 3 files changed, 171 insertions(+) create mode 100644 tests/topotests/zebra_nht_resolution/r1/sharpd.conf create mode 100644 tests/topotests/zebra_nht_resolution/r1/zebra.conf create mode 100644 tests/topotests/zebra_nht_resolution/test_verify_nh_resolution.py (limited to 'tests/topotests/zebra_nht_resolution') diff --git a/tests/topotests/zebra_nht_resolution/r1/sharpd.conf b/tests/topotests/zebra_nht_resolution/r1/sharpd.conf new file mode 100644 index 0000000..e69de29 diff --git a/tests/topotests/zebra_nht_resolution/r1/zebra.conf b/tests/topotests/zebra_nht_resolution/r1/zebra.conf new file mode 100644 index 0000000..6c35c5c --- /dev/null +++ b/tests/topotests/zebra_nht_resolution/r1/zebra.conf @@ -0,0 +1,5 @@ +hostname r1 +! +interface r1-eth0 + ip address 192.168.120.1/24 +! diff --git a/tests/topotests/zebra_nht_resolution/test_verify_nh_resolution.py b/tests/topotests/zebra_nht_resolution/test_verify_nh_resolution.py new file mode 100644 index 0000000..9a8f7cc --- /dev/null +++ b/tests/topotests/zebra_nht_resolution/test_verify_nh_resolution.py @@ -0,0 +1,166 @@ +#!/usr/bin/env python + +# +# Copyright (c) 2022 by VMware, Inc. ("VMware") +# Used Copyright (c) 2018 by Network Device Education Foundation, +# Inc. ("NetDEF") in this file. +# +# 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 VMWARE DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL VMWARE 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 is indended for validating zebra NH resolution logic +""" + +import os +import sys +import pytest + +from lib.common_config import ( + start_topology, + verify_rib, + verify_ip_nht, + step, + create_static_routes, +) + +# pylint: disable=C0413 +from lib import topotest +from lib.topogen import Topogen, TopoRouter, get_topogen +from lib.topolog import logger + +CWD = os.path.dirname(os.path.realpath(__file__)) +sys.path.append(os.path.join(CWD, "../")) + +pytestmark = [pytest.mark.sharpd] + +#GLOBAL VARIABLES +NH1 = "2.2.2.32" + +def build_topo(tgen): + tgen.add_router("r1") + + switch = tgen.add_switch("sw1") + switch.add_link(tgen.gears["r1"]) + +def setup_module(mod): + tgen = Topogen(build_topo, mod.__name__) + tgen.start_topology() + router_list = tgen.routers() + for rname, router in tgen.routers().items(): + router.load_config(TopoRouter.RD_ZEBRA, os.path.join(CWD, "{}/zebra.conf".format(rname))) + router.load_config( + TopoRouter.RD_SHARP, os.path.join(CWD, "{}/sharpd.conf".format(rname)) + ) + tgen.start_router() + +def teardown_module(_mod): + tgen = get_topogen() + tgen.stop_topology() + +def test_verify_zebra_nh_resolution(request): + tgen = get_topogen() + tc_name = request.node.name + if tgen.routers_have_failure(): + pytest.skip(tgen.errors) + logger.info("Starting Zebra NH resolution testcase") + r1 = tgen.gears["r1"] + + step("Configure static route") + input_dict_1 = { + "r1": { + "static_routes": [ + {"network": "2.2.2.0/24", "next_hop": "r1-eth0"} + ] + } + } + + result = create_static_routes(tgen, input_dict_1) + assert result is True, "Testcase {} : Failed \n Error: {}".format( + tc_name, result + ) + + step("Verify static routes in RIB of R1") + input_dict_2 = { + "r1": { + "static_routes": [ + {"network": "2.2.2.0/24"} + ] + } + } + + dut = "r1" + result = verify_rib(tgen, "ipv4", dut, input_dict_2) + assert result is True, "Testcase {} :Failed \n Error: {}".format( + tc_name, result) + + step("Set the connected flag on the NH tracking entry") + r1.vtysh_cmd("sharp watch nexthop 2.2.2.32 connected") + + step("Verify that NH 2.2.2.32 gets resolved over static route") + input_dict_nh = { + "r1": { + NH1: { + "Address": "2.2.2.0/24", + "resolvedVia": "static", + "nexthops": {"nexthop1": {"Interfcae": "r1-eth0"}}, + } + } + } + result = verify_ip_nht(tgen, input_dict_nh) + assert result is True, "Testcase {} : Failed \n" + "Error: Nexthop is missing in RIB".format( + tc_name, result) + + step("Add a .32/32 route with the NH as itself") + r1.vtysh_cmd("sharp install routes 2.2.2.32 nexthop 2.2.2.32 1") + + step("Verify that the installation of .32/32 has no effect on the NHT") + input_dict_nh = { + "r1": { + NH1: { + "Address": "2.2.2.0/24", + "resolvedVia": "static", + "nexthops": {"nexthop1": {"Interface": "r1-eth0"}}, + } + } + } + result = verify_ip_nht(tgen, input_dict_nh) + assert result is True, "Testcase {} : Failed \n" + "Error: Nexthop became unresolved".format( + tc_name, result) + + step("Add a .31/32 route with the NH as 2.2.2.32" + "to verify the NH Resolution behaviour") + r1.vtysh_cmd("sharp install routes 2.2.2.31 nexthop 2.2.2.32 1") + + step("Verify that NH 2.2.2.2/32 doesn't become unresolved") + input_dict_nh = { + "r1": { + NH1: { + "Address": "2.2.2.0/24", + "resolvedVia": "static", + "nexthops": {"nexthop1": {"Interface": "r1-eth0"}}, + } + } + } + result = verify_ip_nht(tgen, input_dict_nh) + assert result is True, "Testcase {} : Failed \n" + "Error: Nexthop became unresolved".format( + tc_name, result) + +if __name__ == "__main__": + args = ["-s"] + sys.argv[1:] + sys.exit(pytest.main(args)) -- cgit v1.2.3