120 lines
3.6 KiB
Python
120 lines
3.6 KiB
Python
#!/usr/bin/env python
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#
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# test_bgp_asdot_regex.py
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# Part of Topotests
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#
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# Copyright 2022 6WIND S.A.
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#
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# Permission to use, copy, modify, and/or distribute this software
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# for any purpose with or without fee is hereby granted, provided
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# that the above copyright notice and this permission notice appear
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# in all copies.
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#
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# THE SOFTWARE IS PROVIDED "AS IS" AND NETDEF DISCLAIMS ALL WARRANTIES
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# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NETDEF BE LIABLE FOR
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# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY
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# DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
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# WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
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# ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
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# OF THIS SOFTWARE.
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#
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"""
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test_bgp_asdot_regex.py:
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Test how regex applies when asnotation to forge bgp config is based on dot or not.
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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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import pytest
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from functools import partial
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# add after imports, before defining classes or functions:
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pytestmark = [pytest.mark.bgpd]
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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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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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def build_topo(tgen):
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for routern in range(1, 3):
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tgen.add_router("r{}".format(routern))
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switch = tgen.add_switch("s1")
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switch.add_link(tgen.gears["r1"])
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switch.add_link(tgen.gears["r2"])
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def setup_module(mod):
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tgen = Topogen(build_topo, mod.__name__)
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tgen.start_topology()
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router_list = tgen.routers()
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for i, (rname, router) in enumerate(router_list.items(), 1):
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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_BGP, os.path.join(CWD, "{}/bgpd.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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tgen = get_topogen()
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tgen.stop_topology()
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def test_bgp_asdot_regex():
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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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router1 = tgen.gears["r1"]
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router2 = tgen.gears["r2"]
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def _bgp_converge(router):
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output = json.loads(router.vtysh_cmd("show ip bgp neighbor 192.168.255.2 json"))
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expected = {
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"192.168.255.2": {
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"bgpState": "Established",
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"addressFamilyInfo": {"ipv4Unicast": {"acceptedPrefixCounter": 1}},
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}
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}
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return topotest.json_cmp(output, expected)
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logger.info("Check if neighbor sessions are up in {}".format(router1.name))
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test_func = partial(_bgp_converge, router1)
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success, result = topotest.run_and_expect(test_func, None, count=15, wait=0.5)
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assert result is None, 'Failed to see BGP convergence in "{}"'.format(router1.name)
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logger.info("BGP neighbor session is up in {}".format(router1.name))
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logger.info("waiting for bgp peers exchanging UPDATES")
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for router in tgen.routers().values():
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ref_file = "{}/{}/show_bgp_ipv4.json".format(CWD, router.name)
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expected = json.loads(open(ref_file).read())
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test_func = partial(
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topotest.router_json_cmp, router, "show bgp ipv4 unicast json", expected
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)
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_, res = topotest.run_and_expect(test_func, None, count=40, wait=2.5)
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assertmsg = "{}: BGP UPDATE exchange failure".format(router.name)
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assert res is None, assertmsg
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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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