166 lines
4.3 KiB
Python
166 lines
4.3 KiB
Python
#!/usr/bin/env python
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# SPDX-License-Identifier: ISC
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#
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# test_babel_topo1.py
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#
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# Copyright (c) 2017 by
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# Cumulus Networks, Inc.
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# Donald Sharp
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#
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"""
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test_babel_topo1.py: Testing BABEL
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"""
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import os
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import sys
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import pytest
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import json
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from functools import partial
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pytestmark = [pytest.mark.babeld]
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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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for routern in range(1, 4):
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tgen.add_router("r{}".format(routern))
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# On main router
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# First switch is for a dummy interface (for local network)
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switch = tgen.add_switch("sw1")
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switch.add_link(tgen.gears["r1"])
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# Switches for BABEL
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# switch 2 switch is for connection to BABEL router
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switch = tgen.add_switch("sw2")
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switch.add_link(tgen.gears["r1"])
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switch.add_link(tgen.gears["r2"])
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# switch 4 is stub on remote BABEL router
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switch = tgen.add_switch("sw4")
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switch.add_link(tgen.gears["r3"])
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# switch 3 is between BABEL routers
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switch = tgen.add_switch("sw3")
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switch.add_link(tgen.gears["r2"])
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switch.add_link(tgen.gears["r3"])
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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_config(
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TopoRouter.RD_ZEBRA, os.path.join(CWD, "{}/zebra.conf".format(rname))
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)
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router.load_config(
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TopoRouter.RD_BABEL, os.path.join(CWD, "{}/babeld.conf".format(rname))
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)
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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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# This function tears down the whole topology.
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tgen.stop_topology()
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def test_converge_protocols():
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"Wait for protocol convergence"
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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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topotest.sleep(10, "Waiting for BABEL convergence")
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def runit(router, assertmsg, cmd, expfile):
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logger.info(expfile)
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# Read expected result from file
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expected = json.loads(open(expfile).read())
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test_func = partial(topotest.router_json_cmp, router, cmd, expected)
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_, result = topotest.run_and_expect(test_func, None, count=30, wait=1)
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assert result is None, assertmsg
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def test_zebra_ipv4_routingTable():
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"Test 'show ip route'"
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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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router_list = tgen.routers().values()
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for router in router_list:
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assertmsg = "Zebra IPv4 Routing Table verification failed for router {}".format(
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router.name
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)
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refTableFile = "{}/{}/show_ip_route.json_ref".format(CWD, router.name)
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runit(router, assertmsg, "show ip route json", refTableFile)
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def test_shutdown_check_stderr():
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if os.environ.get("TOPOTESTS_CHECK_STDERR") is None:
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pytest.skip("Skipping test for Stderr output and memory leaks")
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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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logger.info("Verifying unexpected STDERR output from daemons")
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router_list = tgen.routers().values()
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for router in router_list:
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router.stop()
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log = tgen.net[router.name].getStdErr("babeld")
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if log:
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logger.error("BABELd StdErr Log:" + log)
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log = tgen.net[router.name].getStdErr("zebra")
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if log:
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logger.error("Zebra StdErr Log:" + log)
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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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