# 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 import base from lib.base import ( BGP_FSM_ESTABLISHED, assert_several_times, local, ) from lib.gobgp import GoBGPContainer from lib.exabgp import ExaBGPContainer from lib.noseplugin import OptionParser, parser_option 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=65000, router_id='192.168.0.2', ctn_image_name=gobgp_ctn_image_name, log_level=parser_option.gobgp_log_level) g3 = GoBGPContainer(name='g3', asn=65000, router_id='192.168.0.3', ctn_image_name=gobgp_ctn_image_name, log_level=parser_option.gobgp_log_level) e1 = ExaBGPContainer(name='e1', asn=65000, router_id='192.168.0.4') ctns = [g1, g2, g3, e1] initial_wait_time = max(ctn.run() for ctn in ctns) time.sleep(initial_wait_time) g1.add_peer(e1, addpath=True) e1.add_peer(g1, addpath=True) g1.add_peer(g2, addpath=False, is_rr_client=True) g2.add_peer(g1, addpath=False) g1.add_peer(g3, addpath=True, is_rr_client=True) g3.add_peer(g1, addpath=True) cls.g1 = g1 cls.g2 = g2 cls.g3 = g3 cls.e1 = e1 # test each neighbor state is turned establish def test_00_neighbor_established(self): self.g1.wait_for(expected_state=BGP_FSM_ESTABLISHED, peer=self.g2) self.g1.wait_for(expected_state=BGP_FSM_ESTABLISHED, peer=self.e1) # prepare routes with path_id (no error check) def test_01_prepare_add_paths_routes(self): self.e1.add_route(route='192.168.100.0/24', identifier=10, aspath=[100, 200, 300]) self.e1.add_route(route='192.168.100.0/24', identifier=20, aspath=[100, 200]) self.e1.add_route(route='192.168.100.0/24', identifier=30, aspath=[100]) # test three routes are installed to the rib due to add-path feature def test_02_check_g1_global_rib(self): def f(): rib = self.g1.get_global_rib() self.assertEqual(len(rib), 1) self.assertEqual(len(rib[0]['paths']), 3) assert_several_times(f) # test only the best path is advertised to g2 def test_03_check_g2_global_rib(self): def f(): rib = self.g2.get_global_rib() self.assertEqual(len(rib), 1) self.assertEqual(len(rib[0]['paths']), 1) self.assertEqual(rib[0]['paths'][0]['aspath'], [100]) assert_several_times(f) # test three routes are advertised to g3 def test_04_check_g3_global_rib(self): def f(): rib = self.g3.get_global_rib() self.assertEqual(len(rib), 1) self.assertEqual(len(rib[0]['paths']), 3) assert_several_times(f) # withdraw a route with path_id (no error check) def test_05_withdraw_route_with_path_id(self): self.e1.del_route(route='192.168.100.0/24', identifier=30) # test the withdrawn route is removed from the rib def test_06_check_g1_global_rib(self): def f(): rib = self.g1.get_global_rib() self.assertEqual(len(rib), 1) self.assertEqual(len(rib[0]['paths']), 2) for path in rib[0]['paths']: self.assertIn(path['aspath'], ([100, 200, 300], [100, 200])) assert_several_times(f) # test the best path is replaced due to the removal from g1 rib def test_07_check_g2_global_rib(self): def f(): rib = self.g2.get_global_rib() self.assertEqual(len(rib), 1) self.assertEqual(len(rib[0]['paths']), 1) self.assertEqual(rib[0]['paths'][0]['aspath'], [100, 200]) assert_several_times(f) # test the withdrawn route is removed from the rib of g3 def test_08_check_g3_global_rib(self): def f(): rib = self.g3.get_global_rib() self.assertEqual(len(rib), 1) self.assertEqual(len(rib[0]['paths']), 2) for path in rib[0]['paths']: self.assertIn(path['aspath'], ([100, 200, 300], [100, 200])) assert_several_times(f) # install a route with path_id via GoBGP CLI (no error check) def test_09_install_add_paths_route_via_cli(self): # identifier is duplicated with the identifier of the route from e1 self.g1.add_route(route='192.168.100.0/24', identifier=10, local_pref=500) # test the route from CLI is installed to the rib def test_10_check_g1_global_rib(self): def f(): rib = self.g1.get_global_rib() self.assertEqual(len(rib), 1) self.assertEqual(len(rib[0]['paths']), 3) for path in rib[0]['paths']: self.assertIn(path['aspath'], ([100, 200, 300], [100, 200], [])) if not path['aspath']: # path['aspath'] == [] self.assertEqual(path['local-pref'], 500) assert_several_times(f) # test the best path is replaced due to the CLI route from g1 rib def test_11_check_g2_global_rib(self): def f(): rib = self.g2.get_global_rib() self.assertEqual(len(rib), 1) self.assertEqual(len(rib[0]['paths']), 1) self.assertEqual(rib[0]['paths'][0]['aspath'], []) assert_several_times(f) # test the route from CLI is advertised from g1 def test_12_check_g3_global_rib(self): def f(): rib = self.g3.get_global_rib() self.assertEqual(len(rib), 1) self.assertEqual(len(rib[0]['paths']), 3) for path in rib[0]['paths']: self.assertIn(path['aspath'], ([100, 200, 300], [100, 200], [])) if not path['aspath']: # path['aspath'] == [] self.assertEqual(path['local-pref'], 500) assert_several_times(f) # remove non-existing route with path_id via GoBGP CLI (no error check) def test_13_remove_non_existing_add_paths_route_via_cli(self): # specify locally non-existing identifier which has the same value # with the identifier of the route from e1 self.g1.del_route(route='192.168.100.0/24', identifier=20) # test none of route is removed by non-existing path_id via CLI def test_14_check_g1_global_rib(self): def f(): rib = self.g1.get_global_rib() self.assertEqual(len(rib), 1) self.assertEqual(len(rib[0]['paths']), 3) for path in rib[0]['paths']: self.assertIn(path['aspath'], ([100, 200, 300], [100, 200], [])) if not path['aspath']: # path['aspath'] == [] self.assertEqual(path['local-pref'], 500) assert_several_times(f) # remove route with path_id via GoBGP CLI (no error check) def test_15_remove_add_paths_route_via_cli(self): self.g1.del_route(route='192.168.100.0/24', identifier=10) # test the route is removed from the rib via CLI def test_16_check_g1_global_rib(self): def f(): rib = self.g1.get_global_rib() self.assertEqual(len(rib), 1) self.assertEqual(len(rib[0]['paths']), 2) for path in rib[0]['paths']: self.assertIn(path['aspath'], ([100, 200, 300], [100, 200])) assert_several_times(f) # test the best path is replaced the removal from g1 rib def test_17_check_g2_global_rib(self): def f(): rib = self.g2.get_global_rib() self.assertEqual(len(rib), 1) self.assertEqual(len(rib[0]['paths']), 1) self.assertEqual(rib[0]['paths'][0]['aspath'], [100, 200]) assert_several_times(f) # test the removed route from CLI is withdrawn by g1 def test_18_check_g3_global_rib(self): def f(): rib = self.g3.get_global_rib() self.assertEqual(len(rib), 1) self.assertEqual(len(rib[0]['paths']), 2) for path in rib[0]['paths']: self.assertIn(path['aspath'], ([100, 200, 300], [100, 200])) assert_several_times(f) 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])