github.com/osrg/gobgp@v2.0.0+incompatible/test/scenario_test/aspath_test.py (about)

     1  # Copyright (C) 2017 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  from __future__ import absolute_import
    17  
    18  import sys
    19  import time
    20  import unittest
    21  
    22  from fabric.api import local
    23  import nose
    24  
    25  from lib.noseplugin import OptionParser, parser_option
    26  
    27  from lib import base
    28  from lib.base import (
    29      BGP_FSM_ESTABLISHED,
    30      assert_several_times,
    31  )
    32  from lib.gobgp import GoBGPContainer
    33  from lib.quagga import QuaggaBGPContainer
    34  
    35  
    36  class GoBGPTestBase(unittest.TestCase):
    37  
    38      @classmethod
    39      def setUpClass(cls):
    40          gobgp_ctn_image_name = parser_option.gobgp_image
    41          base.TEST_PREFIX = parser_option.test_prefix
    42  
    43          g1 = GoBGPContainer(name='g1', asn=65001, router_id='192.168.0.1',
    44                              ctn_image_name=gobgp_ctn_image_name,
    45                              log_level=parser_option.gobgp_log_level)
    46          q1 = QuaggaBGPContainer(name='q1', asn=65002, router_id='192.168.0.2')
    47          g2 = GoBGPContainer(name='g2', asn=65001, router_id='192.168.0.3',
    48                              ctn_image_name=gobgp_ctn_image_name,
    49                              log_level=parser_option.gobgp_log_level)
    50          ctns = [g1, g2, q1]
    51  
    52          initial_wait_time = max(ctn.run() for ctn in ctns)
    53  
    54          time.sleep(initial_wait_time)
    55  
    56          g1.add_peer(q1)
    57          q1.add_peer(g1)
    58  
    59          q1.add_peer(g2)
    60          g2.add_peer(q1)
    61  
    62          g1.add_route('10.0.0.0/24')
    63  
    64          cls.g1 = g1
    65          cls.g2 = g2
    66          cls.q1 = q1
    67          cls.ctns = {n.name: n for n in ctns}
    68  
    69      # test each neighbor state is turned establish
    70      def test_01_neighbor_established(self):
    71          self.g1.wait_for(expected_state=BGP_FSM_ESTABLISHED, peer=self.q1)
    72          self.q1.wait_for(expected_state=BGP_FSM_ESTABLISHED, peer=self.g2)
    73  
    74      def test_02_check_reject_as_loop(self):
    75          def f():
    76              r = self.g2.get_neighbor(self.q1)
    77              self.assertTrue('afi_safis' in r)
    78              received = 0
    79              for afisafi in r['afi_safis']:
    80                  self.assertTrue('state' in afisafi)
    81                  s = afisafi.get('state')
    82                  self.assertTrue('received' in s)
    83                  received += s.get('received')
    84                  # hacky. 'accepted' is zero so the key was deleted due to
    85                  # omitempty tag in bgp_configs.go.
    86                  self.assertFalse(s.get('accepted'), None)
    87              self.assertEqual(received, 1)
    88  
    89          assert_several_times(f)
    90  
    91      def test_03_update_peer(self):
    92          self.g2.update_peer(self.q1, allow_as_in=10)
    93  
    94          self.q1.wait_for(expected_state=BGP_FSM_ESTABLISHED, peer=self.g2)
    95  
    96      def test_04_check_accept_as_loop(self):
    97          def f():
    98              r = self.g2.get_neighbor(self.q1)
    99              self.assertTrue('afi_safis' in r)
   100              received = 0
   101              accepted = 0
   102              for afisafi in r['afi_safis']:
   103                  self.assertTrue('state' in afisafi)
   104                  s = afisafi.get('state')
   105                  received += s.get('received')
   106                  accepted += s.get('accepted')
   107              self.assertEqual(received, 1)
   108              self.assertEqual(accepted, 1)
   109  
   110          assert_several_times(f)
   111  
   112      def test_05_check_remove_private_as_peer_all(self):
   113          g3 = GoBGPContainer(name='g3', asn=100, router_id='192.168.0.4',
   114                              ctn_image_name=parser_option.gobgp_image,
   115                              log_level=parser_option.gobgp_log_level)
   116          g4 = GoBGPContainer(name='g4', asn=200, router_id='192.168.0.5',
   117                              ctn_image_name=parser_option.gobgp_image,
   118                              log_level=parser_option.gobgp_log_level)
   119          time.sleep(max(ctn.run() for ctn in [g3, g4]))
   120  
   121          self.ctns['g3'] = g3
   122          self.ctns['g4'] = g4
   123  
   124          self.g2.add_peer(g3)
   125          g3.add_peer(self.g2)
   126  
   127          g3.add_peer(g4, remove_private_as='all')
   128          g4.add_peer(g3)
   129  
   130          self.g2.wait_for(expected_state=BGP_FSM_ESTABLISHED, peer=g3)
   131          g3.wait_for(expected_state=BGP_FSM_ESTABLISHED, peer=g4)
   132  
   133          def f():
   134              rib = g4.get_global_rib()
   135              self.assertEqual(len(rib), 1)
   136              self.assertEqual(len(rib[0]['paths']), 1)
   137              self.assertEqual(rib[0]['paths'][0]['aspath'], [100])
   138  
   139          assert_several_times(f)
   140  
   141      def test_06_check_remove_private_as_peer_replace(self):
   142          g3 = self.ctns['g3']
   143          g4 = self.ctns['g4']
   144          g3.update_peer(g4, remove_private_as='replace')
   145  
   146          g3.wait_for(expected_state=BGP_FSM_ESTABLISHED, peer=g4)
   147  
   148          def f():
   149              rib = g4.get_global_rib()
   150              self.assertEqual(rib[0]['paths'][0]['aspath'], [100, 100, 100, 100])
   151  
   152          assert_several_times(f)
   153  
   154      def test_07_check_replace_peer_as(self):
   155          g5 = GoBGPContainer(name='g5', asn=100, router_id='192.168.0.6',
   156                              ctn_image_name=parser_option.gobgp_image,
   157                              log_level=parser_option.gobgp_log_level)
   158          time.sleep(g5.run())
   159  
   160          g4 = self.ctns['g4']
   161          g4.add_peer(g5, replace_peer_as=True)
   162          g5.add_peer(g4)
   163  
   164          g4.wait_for(expected_state=BGP_FSM_ESTABLISHED, peer=g5)
   165  
   166          def f():
   167              rib = g5.get_global_rib()
   168              self.assertEqual(rib[0]['paths'][0]['aspath'], [200, 200, 200, 200, 200])
   169  
   170          assert_several_times(f)
   171  
   172  
   173  if __name__ == '__main__':
   174      output = local("which docker 2>&1 > /dev/null ; echo $?", capture=True)
   175      if int(output) is not 0:
   176          print "docker not found"
   177          sys.exit(1)
   178  
   179      nose.main(argv=sys.argv, addplugins=[OptionParser()],
   180                defaultTest=sys.argv[0])