tests/topotests/bgp_route_map_match_ipv6_nexthop/test_bgp_route_map_match_ipv6_nexthop.py

   1 #!/usr/bin/env python
   2 # SPDX-License-Identifier: ISC
   3
   4 # Copyright (c) 2021 by
   5 # Donatas Abraitis <donatas.abraitis@gmail.com>
   6 #
   7
   8 """
   9 Test if we can match BGP prefixes by next-hop which is
  10 specified by an IPv6 Access-list, prefix-list or just an address.
  11 """
  12
  13 import os
  14 import sys
  15 import json
  16 import pytest
  17 import functools
  18
  19 pytestmark = pytest.mark.bgpd
  20
  21 CWD = os.path.dirname(os.path.realpath(__file__))
  22 sys.path.append(os.path.join(CWD, "../"))
  23
  24 # pylint: disable=C0413
  25 from lib import topotest
  26 from lib.topogen import Topogen, TopoRouter, get_topogen
  27
  28 pytestmark = [pytest.mark.bgpd]
  29
  30
  31 def build_topo(tgen):
  32     for routern in range(1, 3):
  33         tgen.add_router("r{}".format(routern))
  34
  35     switch = tgen.add_switch("s1")
  36     switch.add_link(tgen.gears["r1"])
  37     switch.add_link(tgen.gears["r2"])
  38
  39
  40 def setup_module(mod):
  41     tgen = Topogen(build_topo, mod.__name__)
  42     tgen.start_topology()
  43
  44     router_list = tgen.routers()
  45
  46     for i, (rname, router) in enumerate(router_list.items(), 1):
  47         router.load_config(
  48             TopoRouter.RD_ZEBRA, os.path.join(CWD, "{}/zebra.conf".format(rname))
  49         )
  50         router.load_config(
  51             TopoRouter.RD_BGP, os.path.join(CWD, "{}/bgpd.conf".format(rname))
  52         )
  53
  54     tgen.start_router()
  55
  56
  57 def teardown_module(mod):
  58     tgen = get_topogen()
  59     tgen.stop_topology()
  60
  61
  62 def test_bgp_route_map_match_ipv6_next_hop_access_list():
  63     tgen = get_topogen()
  64
  65     if tgen.routers_have_failure():
  66         pytest.skip(tgen.errors)
  67
  68     router = tgen.gears["r1"]
  69
  70     def _bgp_converge(router):
  71         output = json.loads(router.vtysh_cmd("show ipv6 route json"))
  72         expected = {
  73             "2001:db8:1::1/128": [
  74                 {
  75                     "communities": "65002:1",
  76                 }
  77             ],
  78             "2001:db8:2::1/128": [
  79                 {
  80                     "communities": "65002:2",
  81                 }
  82             ],
  83             "2001:db8:3::1/128": [
  84                 {
  85                     "communities": "65002:3",
  86                 }
  87             ],
  88             "2001:db8:4::1/128": [
  89                 {
  90                     "communities": "65002:4",
  91                 }
  92             ],
  93             "2001:db8:5::1/128": [
  94                 {
  95                     "communities": "65002:5",
  96                 }
  97             ],
  98         }
  99         return topotest.json_cmp(output, expected)
 100
 101     test_func = functools.partial(_bgp_converge, router)
 102     success, result = topotest.run_and_expect(test_func, None, count=60, wait=0.5)
 103     assert result is None, "Can't match routes using ipv6 next-hop access-list"
 104
 105
 106 if __name__ == "__main__":
 107     args = ["-s"] + sys.argv[1:]
 108     sys.exit(pytest.main(args))