github.com/osrg/gobgp/v3@v3.30.0/test/scenario_test/route_server_as2_test.py (about)

     1  # Copyright (C) 2015 Nippon Telegraph and Telephone Corporation.
     2  #
     3  # Licensed under the Apache License, Version 2.0 (the "License");
     4  # you may not use this file except in compliance with the License.
     5  # You may obtain a copy of the License at
     6  #
     7  #    http://www.apache.org/licenses/LICENSE-2.0
     8  #
     9  # Unless required by applicable law or agreed to in writing, software
    10  # distributed under the License is distributed on an "AS IS" BASIS,
    11  # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
    12  # implied.
    13  # See the License for the specific language governing permissions and
    14  # limitations under the License.
    15  
    16  
    17  import unittest
    18  import sys
    19  import time
    20  
    21  import collections
    22  collections.Callable = collections.abc.Callable
    23  
    24  import nose
    25  
    26  from lib.noseplugin import OptionParser, parser_option
    27  
    28  from lib import base
    29  from lib.base import (
    30      BGP_FSM_IDLE,
    31      BGP_FSM_ESTABLISHED,
    32      local,
    33  )
    34  from lib.gobgp import GoBGPContainer
    35  from lib.exabgp import ExaBGPContainer
    36  
    37  
    38  class GoBGPTestBase(unittest.TestCase):
    39  
    40      wait_per_retry = 5
    41      retry_limit = 10
    42  
    43      @classmethod
    44      def setUpClass(cls):
    45          gobgp_ctn_image_name = parser_option.gobgp_image
    46          base.TEST_PREFIX = parser_option.test_prefix
    47  
    48          g1 = GoBGPContainer(name='g1', asn=65000, router_id='192.168.0.1',
    49                              ctn_image_name=gobgp_ctn_image_name,
    50                              log_level=parser_option.gobgp_log_level)
    51  
    52          rs_clients = [
    53              ExaBGPContainer(name='q{0}'.format(i + 1), asn=(65001 + i),
    54                              router_id='192.168.0.{0}'.format(i + 2))
    55              for i in range(4)]
    56          ctns = [g1] + rs_clients
    57  
    58          initial_wait_time = max(ctn.run() for ctn in ctns)
    59          time.sleep(initial_wait_time)
    60  
    61          for i, rs_client in enumerate(rs_clients):
    62              g1.add_peer(rs_client, is_rs_client=True)
    63              as2 = False
    64              if i > 1:
    65                  as2 = True
    66              rs_client.add_peer(g1, as2=as2)
    67  
    68          # advertise a route from route-server-clients
    69          for idx, rs_client in enumerate(rs_clients):
    70              route = '10.0.{0}.0/24'.format(idx + 1)
    71              rs_client.add_route(route)
    72              if idx < 2:
    73                  route = '10.0.10.0/24'
    74              rs_client.add_route(route)
    75  
    76          cls.gobgp = g1
    77          cls.quaggas = {x.name: x for x in rs_clients}
    78  
    79      # test each neighbor state is turned establish
    80      def test_01_neighbor_established(self):
    81          for q in self.quaggas.values():
    82              self.gobgp.wait_for(expected_state=BGP_FSM_ESTABLISHED, peer=q)
    83  
    84      def test_02_check_gobgp_local_rib(self):
    85          for rs_client in self.quaggas.values():
    86              done = False
    87              for _ in range(self.retry_limit):
    88                  if done:
    89                      break
    90  
    91                  state = self.gobgp.get_neighbor_state(rs_client)
    92                  self.assertEqual(state, BGP_FSM_ESTABLISHED)
    93                  local_rib = self.gobgp.get_local_rib(rs_client)
    94                  if len(local_rib) < (len(self.quaggas) - 1):
    95                      time.sleep(self.wait_per_retry)
    96                      continue
    97  
    98                  self.assertEqual(len(local_rib), 4)
    99                  done = True
   100  
   101              if done:
   102                  continue
   103              # should not reach here
   104              raise AssertionError
   105  
   106      def test_03_stop_q2_and_check_neighbor_status(self):
   107          q2 = self.quaggas['q2']
   108          q2.remove()
   109          self.gobgp.wait_for(expected_state=BGP_FSM_IDLE, peer=q2)
   110  
   111  
   112  if __name__ == '__main__':
   113      output = local("which docker 2>&1 > /dev/null ; echo $?", capture=True)
   114      if int(output) != 0:
   115          print("docker not found")
   116          sys.exit(1)
   117  
   118      nose.main(argv=sys.argv, addplugins=[OptionParser()],
   119                defaultTest=sys.argv[0])