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113 lines
2.6 KiB
Python
113 lines
2.6 KiB
Python
#!/usr/bin/env python
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# SPDX-License-Identifier: ISC
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#
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# test_high_ecmp.py
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#
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# Copyright (c) 2024 by
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# Nvidia Corporation
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# Donald Sharp
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#
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# Copyright (c) 2025 by Soumya Roy, <souroy@nvidia.com>
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"""
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test_high_ecmp.py: Testing two routers with 256 interfaces and BGP setup
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on it.
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"""
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import os
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import re
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import sys
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import pytest
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import json
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pytestmark = [pytest.mark.bgpd]
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# Save the Current Working Directory to find configuration files.
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CWD = os.path.dirname(os.path.realpath(__file__))
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sys.path.append(os.path.join(CWD, "../"))
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# pylint: disable=C0413
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# Import topogen and topotest helpers
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from lib import topotest
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from lib.topogen import Topogen, TopoRouter, get_topogen
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from lib.topolog import logger
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# Required to instantiate the topology builder class.
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#####################################################
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##
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## Network Topology Definition
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##
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#####################################################
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def build_topo(tgen):
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tgen.add_router("r1")
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tgen.add_router("r2")
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r1 = tgen.gears["r1"]
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r2 = tgen.gears["r2"]
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# Let's create 257 interfaces between the two switches
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for switch in range(1, 516):
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switch = tgen.add_switch("sw{}".format(switch))
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switch.add_link(r1)
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switch.add_link(r2)
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#####################################################
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##
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## Tests starting
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##
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#####################################################
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def setup_module(module):
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"Setup topology"
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tgen = Topogen(build_topo, module.__name__)
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tgen.start_topology()
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# This is a sample of configuration loading.
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router_list = tgen.routers()
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for rname, router in router_list.items():
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router.load_frr_config(
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os.path.join(CWD, "{}/frr.conf".format(rname)),
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[
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(TopoRouter.RD_ZEBRA, "-s 180000000"),
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(TopoRouter.RD_BGP, None),
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(TopoRouter.RD_SHARP, None),
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(TopoRouter.RD_STATIC, None),
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(TopoRouter.RD_OSPF, None),
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(TopoRouter.RD_OSPF6, None),
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(TopoRouter.RD_PIM, None),
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],
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)
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tgen.start_router()
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for rname, router in router_list.items():
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router.cmd("vtysh -f {}/{}/frr_ipv6_bgp.conf".format(CWD, rname))
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def teardown_module(_mod):
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"Teardown the pytest environment"
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tgen = get_topogen()
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# This function tears down the whole topology.
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tgen.stop_topology()
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def test_nothing():
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"Do Nothing"
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tgen = get_topogen()
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# Don't run this test if we have any failure.
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if tgen.routers_have_failure():
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pytest.skip(tgen.errors)
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if __name__ == "__main__":
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args = ["-s"] + sys.argv[1:]
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sys.exit(pytest.main(args))
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