# Copyright (C) 2016 Nippon Telegraph and Telephone Corporation. # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. # You may obtain a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or # implied. # See the License for the specific language governing permissions and # limitations under the License. import sys import time import unittest import nose from lib.noseplugin import OptionParser, parser_option from lib import base from lib.base import ( BGP_FSM_IDLE, BGP_FSM_ACTIVE, BGP_FSM_ESTABLISHED, GRACEFUL_RESTART_TIME, local, ) from lib.gobgp import GoBGPContainer class GoBGPTestBase(unittest.TestCase): @classmethod def setUpClass(cls): gobgp_ctn_image_name = parser_option.gobgp_image base.TEST_PREFIX = parser_option.test_prefix g1 = GoBGPContainer(name='g1', asn=65000, router_id='192.168.0.1', ctn_image_name=gobgp_ctn_image_name, log_level=parser_option.gobgp_log_level) g2 = GoBGPContainer(name='g2', asn=65001, router_id='192.168.0.2', ctn_image_name=gobgp_ctn_image_name, log_level=parser_option.gobgp_log_level) ctns = [g1, g2] initial_wait_time = max(ctn.run() for ctn in ctns) time.sleep(initial_wait_time) g1.add_route('10.10.10.0/24') g1.add_route('10.10.20.0/24') g1.add_peer(g2, graceful_restart=True) g2.add_peer(g1, graceful_restart=True) cls.bgpds = {'g1': g1, 'g2': g2} # test each neighbor state is turned establish def test_01_neighbor_established(self): g1 = self.bgpds['g1'] g2 = self.bgpds['g2'] g1.wait_for(expected_state=BGP_FSM_ESTABLISHED, peer=g2) def test_02_graceful_restart(self): g1 = self.bgpds['g1'] g2 = self.bgpds['g2'] g1.stop_gobgp() g2.wait_for(expected_state=BGP_FSM_ACTIVE, peer=g1) self.assertEqual(len(g2.get_global_rib('10.10.20.0/24')), 1) self.assertEqual(len(g2.get_global_rib('10.10.10.0/24')), 1) for d in g2.get_global_rib(): for p in d['paths']: self.assertTrue(p['stale']) # Confirm the paths on the adj-RIB-in table are synced with the Global # table. self.assertEqual(len(g2.get_adj_rib_in(g1, '10.10.20.0/24')), 1) self.assertEqual(len(g2.get_adj_rib_in(g1, '10.10.10.0/24')), 1) for p in g2.get_adj_rib_in(g1): self.assertTrue(p['stale']) g1.routes = {} g1.start_gobgp(graceful_restart=True) g1.add_route('10.10.20.0/24') def test_03_neighbor_established(self): g1 = self.bgpds['g1'] g2 = self.bgpds['g2'] g1.wait_for(expected_state=BGP_FSM_ESTABLISHED, peer=g2) # Confirm the restart timer not expired. self.assertEqual( g2.local( "grep 'graceful restart timer expired' %s/gobgpd.log" " | wc -l" % (g2.SHARED_VOLUME), capture=True), '0') time.sleep(1) self.assertEqual(len(g2.get_global_rib('10.10.20.0/24')), 1) self.assertEqual(len(g2.get_global_rib('10.10.10.0/24')), 0) for d in g2.get_global_rib(): for p in d['paths']: self.assertFalse(p.get('stale', False)) # Confirm the stale paths are also removed from the adj-RIB-in table. # https://github.com/osrg/gobgp/pull/1707 self.assertEqual(len(g2.get_adj_rib_in(g1, '10.10.20.0/24')), 1) self.assertEqual(len(g2.get_adj_rib_in(g1, '10.10.10.0/24')), 0) for p in g2.get_adj_rib_in(g1): self.assertFalse(p.get('stale', False)) def test_04_add_non_graceful_restart_enabled_peer(self): g1 = self.bgpds['g1'] # g2 = self.bgpds['g2'] gobgp_ctn_image_name = parser_option.gobgp_image g3 = GoBGPContainer(name='g3', asn=65002, router_id='192.168.0.3', ctn_image_name=gobgp_ctn_image_name, log_level=parser_option.gobgp_log_level) self.bgpds['g3'] = g3 time.sleep(g3.run()) g3.add_route('10.10.30.0/24') g1.add_peer(g3) g3.add_peer(g1) g1.wait_for(expected_state=BGP_FSM_ESTABLISHED, peer=g3) time.sleep(1) self.assertEqual(len(g3.get_global_rib('10.10.20.0/24')), 1) def test_05_holdtime_expiry_graceful_restart(self): g1 = self.bgpds['g1'] g2 = self.bgpds['g2'] g3 = self.bgpds['g3'] g1.local("ip route add blackhole {}/32".format(g2.ip_addrs[0][1].split("/")[0])) g1.local("ip route add blackhole {}/32".format(g3.ip_addrs[0][1].split("/")[0])) g2.wait_for(expected_state=BGP_FSM_ACTIVE, peer=g1) self.assertEqual(len(g2.get_global_rib('10.10.20.0/24')), 1) self.assertEqual(len(g2.get_global_rib('10.10.30.0/24')), 1) for d in g2.get_global_rib(): for p in d['paths']: self.assertTrue(p['stale']) self.assertEqual(len(g3.get_global_rib('10.10.20.0/24')), 0) self.assertEqual(len(g3.get_global_rib('10.10.30.0/24')), 1) def test_06_test_restart_timer_expire(self): g2 = self.bgpds['g2'] time.sleep(GRACEFUL_RESTART_TIME + 5) g2 = self.bgpds['g2'] self.assertEqual(len(g2.get_global_rib()), 0) def test_07_establish_after_graceful_restart(self): g1 = self.bgpds['g1'] g2 = self.bgpds['g2'] g3 = self.bgpds['g3'] g1.local("ip route del blackhole {}/32".format(g2.ip_addrs[0][1].split("/")[0])) g1.local("ip route del blackhole {}/32".format(g3.ip_addrs[0][1].split("/")[0])) g1.wait_for(expected_state=BGP_FSM_ESTABLISHED, peer=g2) g1.wait_for(expected_state=BGP_FSM_ESTABLISHED, peer=g3) self.assertEqual(len(g2.get_global_rib('10.10.20.0/24')), 1) self.assertEqual(len(g2.get_global_rib('10.10.30.0/24')), 1) self.assertEqual(len(g3.get_global_rib('10.10.20.0/24')), 1) self.assertEqual(len(g3.get_global_rib('10.10.30.0/24')), 1) def test_08_graceful_restart(self): g1 = self.bgpds['g1'] g2 = self.bgpds['g2'] g3 = self.bgpds['g3'] g1.stop_gobgp() g2.wait_for(expected_state=BGP_FSM_ACTIVE, peer=g1) self.assertEqual(len(g2.get_global_rib('10.10.20.0/24')), 1) self.assertEqual(len(g2.get_global_rib('10.10.30.0/24')), 1) for d in g2.get_global_rib(): for p in d['paths']: self.assertTrue(p['stale']) self.assertEqual(len(g3.get_global_rib('10.10.20.0/24')), 0) self.assertEqual(len(g3.get_global_rib('10.10.30.0/24')), 1) def test_09_test_restart_timer_expire(self): time.sleep(GRACEFUL_RESTART_TIME + 5) g2 = self.bgpds['g2'] self.assertEqual(len(g2.get_global_rib()), 0) def test_10_multineighbor_established(self): g1 = self.bgpds['g1'] g2 = self.bgpds['g2'] g3 = self.bgpds['g3'] g1.start_gobgp() g1.del_peer(g2) g1.del_peer(g3) g2.del_peer(g1) g3.del_peer(g1) g1.add_peer(g2, graceful_restart=True, llgr=True) g1.add_peer(g3, graceful_restart=True, llgr=True) g2.add_peer(g1, graceful_restart=True, llgr=True) g3.add_peer(g1, graceful_restart=True, llgr=True) g2.wait_for(expected_state=BGP_FSM_ESTABLISHED, peer=g1) g3.wait_for(expected_state=BGP_FSM_ESTABLISHED, peer=g1) def test_11_multineighbor_graceful_restart(self): g1 = self.bgpds['g1'] g2 = self.bgpds['g2'] g3 = self.bgpds['g3'] g1.stop_gobgp() g2.wait_for(expected_state=BGP_FSM_ACTIVE, peer=g1) g3.wait_for(expected_state=BGP_FSM_ACTIVE, peer=g1) g1.start_gobgp(graceful_restart=True) count = 0 while (g1.get_neighbor_state(g2) != BGP_FSM_ESTABLISHED or g1.get_neighbor_state(g3) != BGP_FSM_ESTABLISHED): count += 1 # assert connections are not refused self.assertTrue(g1.get_neighbor_state(g2) != BGP_FSM_IDLE) self.assertTrue(g1.get_neighbor_state(g3) != BGP_FSM_IDLE) if count > 120: raise Exception('timeout') time.sleep(1) if __name__ == '__main__': output = local("which docker 2>&1 > /dev/null ; echo $?", capture=True) if int(output) is not 0: print("docker not found") sys.exit(1) nose.main(argv=sys.argv, addplugins=[OptionParser()], defaultTest=sys.argv[0])