tests: Check if as-path prepends work with route-maps and default-originate

[mirror_frr.git] / tests / topotests / bgp_default_route_route_map_match_set / test_bgp_default-originate_route-map_match_set.py

#!/usr/bin/env python

# Copyright (c) 2020 by
# Donatas Abraitis <donatas.abraitis@gmail.com>
#
# Permission to use, copy, modify, and/or distribute this software
# for any purpose with or without fee is hereby granted, provided
# that the above copyright notice and this permission notice appear
# in all copies.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND NETDEF DISCLAIMS ALL WARRANTIES
# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NETDEF BE LIABLE FOR
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# DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
# WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
# ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
# OF THIS SOFTWARE.
#

"""
Test if default-originate works with match operations.
And verify if set operations work as well.
"""

import os
import sys
import json
import time
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
from mininet.topo import Topo


class TemplateTopo(Topo):
    def build(self, *_args, **_opts):
        tgen = get_topogen(self)

        for routern in range(1, 3):
            tgen.add_router("r{}".format(routern))

        switch = tgen.add_switch("s1")
        switch.add_link(tgen.gears["r1"])
        switch.add_link(tgen.gears["r2"])


def setup_module(mod):
    tgen = Topogen(TemplateTopo, mod.__name__)
    tgen.start_topology()

    router_list = tgen.routers()

    for i, (rname, router) in enumerate(router_list.items(), 1):
        router.load_config(
            TopoRouter.RD_ZEBRA, os.path.join(CWD, "{}/zebra.conf".format(rname))
        )
        router.load_config(
            TopoRouter.RD_BGP, os.path.join(CWD, "{}/bgpd.conf".format(rname))
        )

    tgen.start_router()


def teardown_module(mod):
    tgen = get_topogen()
    tgen.stop_topology()


def test_bgp_default_originate_route_map():
    tgen = get_topogen()

    if tgen.routers_have_failure():
        pytest.skip(tgen.errors)

    router = tgen.gears["r2"]

    def _bgp_converge(router):
        output = json.loads(router.vtysh_cmd("show ip bgp neighbor 192.168.255.1 json"))
        expected = {
            "192.168.255.1": {
                "bgpState": "Established",
                "addressFamilyInfo": {"ipv4Unicast": {"acceptedPrefixCounter": 1}},
            }
        }
        return topotest.json_cmp(output, expected)

    def _bgp_default_route_has_metric(router):
        output = json.loads(router.vtysh_cmd("show ip bgp 0.0.0.0/0 json"))
        expected = {
            "paths": [{"aspath": {"string": "65000 65000 65000 65000"}, "metric": 123}]
        }
        return topotest.json_cmp(output, expected)

    test_func = functools.partial(_bgp_converge, router)
    success, result = topotest.run_and_expect(test_func, None, count=30, wait=0.5)

    assert result is None, 'Failed to see bgp convergence in "{}"'.format(router)

    test_func = functools.partial(_bgp_default_route_has_metric, router)
    success, result = topotest.run_and_expect(test_func, None, count=30, wait=0.5)

    assert (
        result is None
    ), 'Failed to see applied metric for default route in "{}"'.format(router)


if __name__ == "__main__":
    args = ["-s"] + sys.argv[1:]
    sys.exit(pytest.main(args))