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#!/usr/bin/env python
# SPDX-License-Identifier: ISC
#
# test_static_srv6_sids.py
#
# Copyright (c) 2025 by
# Alibaba Inc, Yuqing Zhao <galadriel.zyq@alibaba-inc.com>
# Lingyu Zhang <hanyu.zly@alibaba-inc.com>
#
"""
test_static_srv6_sids.py:
Test for SRv6 static route on zebra
"""
import os
import sys
import json
import pytest
import functools
CWD = os.path.dirname(os.path.realpath(__file__))
sys.path.append(os.path.join(CWD, "../"))
# pylint: disable=C0413
from lib import topotest
from lib.topogen import Topogen, TopoRouter, get_topogen
from lib.topolog import logger
pytestmark = [pytest.mark.staticd]
def open_json_file(filename):
try:
with open(filename, "r") as f:
return json.load(f)
except IOError:
assert False, "Could not read file {}".format(filename)
def setup_module(mod):
tgen = Topogen({None: "r1"}, mod.__name__)
tgen.start_topology()
for rname, router in tgen.routers().items():
router.run("/bin/bash {}/{}/setup.sh".format(CWD, rname))
router.load_frr_config("frr.conf")
tgen.start_router()
def teardown_module():
tgen = get_topogen()
tgen.stop_topology()
def test_srv6_static_sids():
tgen = get_topogen()
if tgen.routers_have_failure():
pytest.skip(tgen.errors)
router = tgen.gears["r1"]
def _check_srv6_static_sids(router, expected_route_file):
logger.info("checking zebra srv6 static sids")
output = json.loads(router.vtysh_cmd("show ipv6 route static json"))
expected = open_json_file("{}/{}".format(CWD, expected_route_file))
return topotest.json_cmp(output, expected)
def check_srv6_static_sids(router, expected_file):
func = functools.partial(_check_srv6_static_sids, router, expected_file)
_, result = topotest.run_and_expect(func, None, count=15, wait=1)
assert result is None, "Failed"
# FOR DEVELOPER:
# If you want to stop some specific line and start interactive shell,
# please use tgen.mininet_cli() to start it.
logger.info("Test for srv6 sids configuration")
check_srv6_static_sids(router, "expected_srv6_sids.json")
def test_srv6_static_sids_sid_delete():
"""
Remove the static SID and verify it gets removed
"""
tgen = get_topogen()
if tgen.routers_have_failure():
pytest.skip(tgen.errors)
router = tgen.gears["r1"]
def _check_srv6_static_sids(router, expected_route_file):
logger.info("checking zebra srv6 static sids")
output = json.loads(router.vtysh_cmd("show ipv6 route static json"))
expected = open_json_file("{}/{}".format(CWD, expected_route_file))
return topotest.json_cmp(output, expected)
def check_srv6_static_sids(router, expected_file):
func = functools.partial(_check_srv6_static_sids, router, expected_file)
_, result = topotest.run_and_expect(func, None, count=15, wait=1)
assert result is None, "Failed"
router.vtysh_cmd(
"""
configure terminal
segment-routing
srv6
static-sids
no sid fcbb:bbbb:1::/48
"""
)
# FOR DEVELOPER:
# If you want to stop some specific line and start interactive shell,
# please use tgen.mininet_cli() to start it.
logger.info("Test for srv6 sids configuration")
check_srv6_static_sids(router, "expected_srv6_sids_sid_delete_1.json")
router.vtysh_cmd(
"""
configure terminal
segment-routing
srv6
static-sids
no sid fcbb:bbbb:1:fe20::/64 locator MAIN behavior uDT6 vrf Vrf20
"""
)
# FOR DEVELOPER:
# If you want to stop some specific line and start interactive shell,
# please use tgen.mininet_cli() to start it.
logger.info("Test for srv6 sids configuration")
check_srv6_static_sids(router, "expected_srv6_sids_sid_delete_2.json")
def test_srv6_static_sids_sid_readd():
"""
Re-add the static SID and verify the routing table
"""
tgen = get_topogen()
if tgen.routers_have_failure():
pytest.skip(tgen.errors)
router = tgen.gears["r1"]
def _check_srv6_static_sids(router, expected_route_file):
logger.info("checking zebra srv6 static sids")
output = json.loads(router.vtysh_cmd("show ipv6 route static json"))
expected = open_json_file("{}/{}".format(CWD, expected_route_file))
return topotest.json_cmp(output, expected)
def check_srv6_static_sids(router, expected_file):
func = functools.partial(_check_srv6_static_sids, router, expected_file)
_, result = topotest.run_and_expect(func, None, count=15, wait=1)
assert result is None, "Failed"
router.vtysh_cmd(
"""
configure terminal
segment-routing
srv6
static-sids
sid fcbb:bbbb:1::/48 locator MAIN behavior uN
sid fcbb:bbbb:1:fe20::/64 locator MAIN behavior uDT6 vrf Vrf20
"""
)
# FOR DEVELOPER:
# If you want to stop some specific line and start interactive shell,
# please use tgen.mininet_cli() to start it.
logger.info("Test for srv6 sids configuration")
check_srv6_static_sids(router, "expected_srv6_sids.json")
def test_srv6_static_sids_sid_delete_all():
"""
Remove all static SIDs and verify they get removed
"""
tgen = get_topogen()
if tgen.routers_have_failure():
pytest.skip(tgen.errors)
router = tgen.gears["r1"]
def _check_srv6_static_sids(router, expected_route_file):
logger.info("checking zebra srv6 static sids")
output = json.loads(router.vtysh_cmd("show ipv6 route static json"))
expected = open_json_file("{}/{}".format(CWD, expected_route_file))
return topotest.json_cmp(output, expected, exact=True)
def check_srv6_static_sids(router, expected_file):
func = functools.partial(_check_srv6_static_sids, router, expected_file)
_, result = topotest.run_and_expect(func, None, count=15, wait=1)
assert result is None, "Failed"
router.vtysh_cmd(
"""
configure terminal
segment-routing
srv6
no static-sids
"""
)
# FOR DEVELOPER:
# If you want to stop some specific line and start interactive shell,
# please use tgen.mininet_cli() to start it.
logger.info("Test for srv6 sids configuration")
check_srv6_static_sids(router, "expected_srv6_sids_delete_all.json")
def test_srv6_static_sids_sid_readd_all():
"""
Re-add the static SIDs and verify the routing table
"""
tgen = get_topogen()
if tgen.routers_have_failure():
pytest.skip(tgen.errors)
router = tgen.gears["r1"]
def _check_srv6_static_sids(router, expected_route_file):
logger.info("checking zebra srv6 static sids")
output = json.loads(router.vtysh_cmd("show ipv6 route static json"))
expected = open_json_file("{}/{}".format(CWD, expected_route_file))
return topotest.json_cmp(output, expected)
def check_srv6_static_sids(router, expected_file):
func = functools.partial(_check_srv6_static_sids, router, expected_file)
_, result = topotest.run_and_expect(func, None, count=15, wait=1)
assert result is None, "Failed"
router.vtysh_cmd(
"""
configure terminal
segment-routing
srv6
static-sids
sid fcbb:bbbb:1::/48 locator MAIN behavior uN
sid fcbb:bbbb:1:fe10::/64 locator MAIN behavior uDT4 vrf Vrf10
sid fcbb:bbbb:1:fe20::/64 locator MAIN behavior uDT6 vrf Vrf20
sid fcbb:bbbb:1:fe30::/64 locator MAIN behavior uDT46 vrf Vrf30
sid fcbb:bbbb:1:fe40::/64 locator MAIN behavior uA interface sr0 nexthop 2001::2
"""
)
# FOR DEVELOPER:
# If you want to stop some specific line and start interactive shell,
# please use tgen.mininet_cli() to start it.
logger.info("Test for srv6 sids configuration")
check_srv6_static_sids(router, "expected_srv6_sids.json")
def test_srv6_static_sids_srv6_disable():
"""
Disable SRv6
"""
tgen = get_topogen()
if tgen.routers_have_failure():
pytest.skip(tgen.errors)
router = tgen.gears["r1"]
def _check_srv6_static_sids(router, expected_route_file):
logger.info("checking zebra srv6 static sids")
output = json.loads(router.vtysh_cmd("show ipv6 route static json"))
expected = open_json_file("{}/{}".format(CWD, expected_route_file))
return topotest.json_cmp(output, expected, exact=True)
def check_srv6_static_sids(router, expected_file):
func = functools.partial(_check_srv6_static_sids, router, expected_file)
_, result = topotest.run_and_expect(func, None, count=15, wait=1)
assert result is None, "Failed"
router.vtysh_cmd(
"""
configure terminal
segment-routing
no srv6
"""
)
# FOR DEVELOPER:
# If you want to stop some specific line and start interactive shell,
# please use tgen.mininet_cli() to start it.
logger.info("Test for srv6 sids configuration")
check_srv6_static_sids(router, "expected_srv6_sids_srv6_disable.json")
if __name__ == "__main__":
args = ["-s"] + sys.argv[1:]
sys.exit(pytest.main(args))
|
