tests/topotests/bgp_comm-list_delete/test_bgp_comm-list_delete.py

   1 #!/usr/bin/env python
   2
   3 #
   4 # bgp_comm-list_delete.py
   5 # Part of NetDEF Topology Tests
   6 #
   7 # Copyright (c) 2019 by
   8 # Network Device Education Foundation, Inc. ("NetDEF")
   9 #
  10 # Permission to use, copy, modify, and/or distribute this software
  11 # for any purpose with or without fee is hereby granted, provided
  12 # that the above copyright notice and this permission notice appear
  13 # in all copies.
  14 #
  15 # THE SOFTWARE IS PROVIDED "AS IS" AND NETDEF DISCLAIMS ALL WARRANTIES
  16 # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  17 # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NETDEF BE LIABLE FOR
  18 # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY
  19 # DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
  20 # WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
  21 # ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
  22 # OF THIS SOFTWARE.
  23 #
  24
  25 """
  26 bgp_comm-list_delete.py:
  27
  28 Test if works the following commands:
  29 route-map test permit 10
  30   set comm-list <arg> delete
  31 """
  32
  33 import os
  34 import sys
  35 import json
  36 import time
  37 import pytest
  38
  39 CWD = os.path.dirname(os.path.realpath(__file__))
  40 sys.path.append(os.path.join(CWD, '../'))
  41
  42 # pylint: disable=C0413
  43 from lib import topotest
  44 from lib.topogen import Topogen, TopoRouter, get_topogen
  45 from lib.topolog import logger
  46 from mininet.topo import Topo
  47
  48 class TemplateTopo(Topo):
  49     def build(self, *_args, **_opts):
  50         tgen = get_topogen(self)
  51
  52         for routern in range(1, 3):
  53             tgen.add_router('r{}'.format(routern))
  54
  55         switch = tgen.add_switch('s1')
  56         switch.add_link(tgen.gears['r1'])
  57         switch.add_link(tgen.gears['r2'])
  58
  59 def setup_module(mod):
  60     tgen = Topogen(TemplateTopo, mod.__name__)
  61     tgen.start_topology()
  62
  63     router_list = tgen.routers()
  64
  65     for i, (rname, router) in enumerate(router_list.iteritems(), 1):
  66         router.load_config(
  67             TopoRouter.RD_ZEBRA,
  68             os.path.join(CWD, '{}/zebra.conf'.format(rname))
  69         )
  70         router.load_config(
  71             TopoRouter.RD_BGP,
  72             os.path.join(CWD, '{}/bgpd.conf'.format(rname))
  73         )
  74
  75     tgen.start_router()
  76
  77 def teardown_module(mod):
  78     tgen = get_topogen()
  79     tgen.stop_topology()
  80
  81 def test_bgp_maximum_prefix_invalid():
  82     tgen = get_topogen()
  83
  84     if tgen.routers_have_failure():
  85         pytest.skip(tgen.errors)
  86
  87     def _bgp_converge(router):
  88         while True:
  89             output = json.loads(tgen.gears[router].vtysh_cmd("show ip bgp neighbor 192.168.255.1 json"))
  90             if output['192.168.255.1']['bgpState'] == 'Established':
  91                 if output['192.168.255.1']['addressFamilyInfo']['IPv4 Unicast']['acceptedPrefixCounter'] == 2:
  92                     return True
  93
  94     def _bgp_comm_list_delete(router):
  95         output = json.loads(tgen.gears[router].vtysh_cmd("show ip bgp 172.16.255.254/32 json"))
  96         if '333:333' in output['paths'][0]['community']['list']:
  97             return False
  98         return True
  99
 100     if _bgp_converge('r2'):
 101         assert _bgp_comm_list_delete('r2') == True
 102
 103 if __name__ == '__main__':
 104     args = ["-s"] + sys.argv[1:]
 105     sys.exit(pytest.main(args))