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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-09 13:16:35 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-09 13:16:35 +0000
commite2bbf175a2184bd76f6c54ccf8456babeb1a46fc (patch)
treef0b76550d6e6f500ada964a3a4ee933a45e5a6f1 /tests/topotests/zebra_nht_resolution
parentInitial commit. (diff)
downloadfrr-e2bbf175a2184bd76f6c54ccf8456babeb1a46fc.tar.xz
frr-e2bbf175a2184bd76f6c54ccf8456babeb1a46fc.zip
Adding upstream version 9.1.upstream/9.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/topotests/zebra_nht_resolution')
-rw-r--r--tests/topotests/zebra_nht_resolution/r1/sharpd.conf0
-rw-r--r--tests/topotests/zebra_nht_resolution/r1/zebra.conf5
-rw-r--r--tests/topotests/zebra_nht_resolution/test_verify_nh_resolution.py153
3 files changed, 158 insertions, 0 deletions
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
--- /dev/null
+++ b/tests/topotests/zebra_nht_resolution/r1/sharpd.conf
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..6956ab7
--- /dev/null
+++ b/tests/topotests/zebra_nht_resolution/test_verify_nh_resolution.py
@@ -0,0 +1,153 @@
+#!/usr/bin/env python
+# SPDX-License-Identifier: ISC
+
+#
+# Copyright (c) 2022 by VMware, Inc. ("VMware")
+# Used Copyright (c) 2018 by Network Device Education Foundation,
+# Inc. ("NetDEF") in this file.
+#
+
+"""
+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))