151 lines
4.6 KiB
Python
151 lines
4.6 KiB
Python
#!/usr/bin/env python
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# SPDX-License-Identifier: ISC
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#
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# test_bfd_topo2.py
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# Part of NetDEF Topology Tests
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#
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# Copyright (c) 2019 by
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# Network Device Education Foundation, Inc. ("NetDEF")
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#
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"""
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test_bfd_topo2.py: Test the FRR BFD daemon with multihop and BGP
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unnumbered.
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"""
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import os
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import sys
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import json
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from functools import partial
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import pytest
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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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pytestmark = [pytest.mark.bfdd, pytest.mark.bgpd, pytest.mark.ospfd]
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def setup_module(mod):
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"Sets up the pytest environment"
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topodef = {
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"s1": ("r1", "r2"),
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"s2": ("r2", "r3"),
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"s3": ("r2", "r4"),
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}
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tgen = Topogen(topodef, mod.__name__)
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tgen.start_topology()
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router_list = tgen.routers()
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for rname, router in router_list.items():
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daemon_file = "{}/{}/zebra.conf".format(CWD, rname)
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router.load_config(TopoRouter.RD_ZEBRA, daemon_file)
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daemon_file = "{}/{}/bfdd.conf".format(CWD, rname)
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if os.path.isfile(daemon_file):
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router.load_config(TopoRouter.RD_BFD, daemon_file)
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daemon_file = "{}/{}/bgpd.conf".format(CWD, rname)
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if os.path.isfile(daemon_file):
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router.load_config(TopoRouter.RD_BGP, daemon_file)
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daemon_file = "{}/{}/ospfd.conf".format(CWD, rname)
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if os.path.isfile(daemon_file):
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router.load_config(TopoRouter.RD_OSPF, daemon_file)
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daemon_file = "{}/{}/ospf6d.conf".format(CWD, rname)
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if os.path.isfile(daemon_file):
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router.load_config(TopoRouter.RD_OSPF6, daemon_file)
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# Initialize all routers.
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tgen.start_router()
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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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tgen.stop_topology()
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def test_protocols_convergence():
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"""
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Assert that all protocols have converged before checking for the BFD
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statuses as they depend on it.
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"""
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tgen = get_topogen()
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if tgen.routers_have_failure():
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pytest.skip(tgen.errors)
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# Check IPv4 routing tables.
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logger.info("Checking IPv4 routes for convergence")
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for router in tgen.routers().values():
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json_file = "{}/{}/ipv4_routes.json".format(CWD, router.name)
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if not os.path.isfile(json_file):
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logger.info("skipping file {}".format(json_file))
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continue
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expected = json.loads(open(json_file).read())
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test_func = partial(
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topotest.router_json_cmp, router, "show ip route json", expected
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)
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_, result = topotest.run_and_expect(test_func, None, count=40, wait=2)
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assertmsg = '"{}" JSON output mismatches'.format(router.name)
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assert result is None, assertmsg
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# Check IPv6 routing tables.
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logger.info("Checking IPv6 routes for convergence")
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for router in tgen.routers().values():
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json_file = "{}/{}/ipv6_routes.json".format(CWD, router.name)
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if not os.path.isfile(json_file):
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logger.info("skipping file {}".format(json_file))
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continue
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expected = json.loads(open(json_file).read())
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test_func = partial(
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topotest.router_json_cmp, router, "show ipv6 route json", expected
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)
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_, result = topotest.run_and_expect(test_func, None, count=40, wait=2)
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assertmsg = '"{}" JSON output mismatches'.format(router.name)
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assert result is None, assertmsg
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def test_bfd_connection():
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"Assert that the BFD peers can find themselves."
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tgen = get_topogen()
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if tgen.routers_have_failure():
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pytest.skip(tgen.errors)
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logger.info("waiting for bfd peers to go up")
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for router in tgen.routers().values():
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json_file = "{}/{}/peers.json".format(CWD, router.name)
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expected = json.loads(open(json_file).read())
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test_func = partial(
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topotest.router_json_cmp, router, "show bfd peers json", expected
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)
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_, result = topotest.run_and_expect(test_func, None, count=30, wait=0.5)
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assertmsg = '"{}" JSON output mismatches'.format(router.name)
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assert result is None, assertmsg
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def test_memory_leak():
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"Run the memory leak test and report results."
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tgen = get_topogen()
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if not tgen.is_memleak_enabled():
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pytest.skip("Memory leak test/report is disabled")
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tgen.report_memory_leaks()
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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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