mirror of
https://github.com/osrg/gobgp.git
synced 2024-05-11 05:55:10 +00:00
Maxime Peim
302 lines
11 KiB
Python
302 lines
11 KiB
Python
# Copyright (C) 2016 Nippon Telegraph and Telephone Corporation.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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# implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import sys
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import json
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import time
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import unittest
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import collections
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collections.Callable = collections.abc.Callable
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import nose
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from lib import base
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from lib.base import (
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BGP_FSM_ESTABLISHED,
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assert_several_times,
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local,
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)
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from lib.gobgp import GoBGPContainer
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from lib.exabgp import ExaBGPContainer
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from lib.noseplugin import OptionParser, parser_option
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class GoBGPTestBase(unittest.TestCase):
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SEND_MAX = 5
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INSTALLED_PATHS = SEND_MAX + 1
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@classmethod
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def setUpClass(cls):
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gobgp_ctn_image_name = parser_option.gobgp_image
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base.TEST_PREFIX = parser_option.test_prefix
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g1 = GoBGPContainer(name='g1', asn=65000, router_id='192.168.0.1',
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ctn_image_name=gobgp_ctn_image_name,
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log_level=parser_option.gobgp_log_level)
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g2 = GoBGPContainer(name='g2', asn=65000, router_id='192.168.0.2',
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ctn_image_name=gobgp_ctn_image_name,
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log_level=parser_option.gobgp_log_level)
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g3 = GoBGPContainer(name='g3', asn=65000, router_id='192.168.0.3',
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ctn_image_name=gobgp_ctn_image_name,
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log_level=parser_option.gobgp_log_level)
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e1 = ExaBGPContainer(name='e1', asn=65000, router_id='192.168.0.4')
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ctns = [g1, g2, g3, e1]
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initial_wait_time = max(ctn.run() for ctn in ctns)
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time.sleep(initial_wait_time)
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g1.add_peer(e1, addpath=16)
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e1.add_peer(g1, addpath=16)
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g1.add_peer(g2, is_rr_client=True)
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g2.add_peer(g1)
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g1.add_peer(g3, addpath=cls.SEND_MAX, is_rr_client=True)
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g3.add_peer(g1, addpath=cls.SEND_MAX)
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cls.g1 = g1
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cls.g2 = g2
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cls.g3 = g3
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cls.e1 = e1
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# test each neighbor state is turned establish
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def test_00_neighbor_established(self):
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self.g1.wait_for(expected_state=BGP_FSM_ESTABLISHED, peer=self.g2)
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self.g1.wait_for(expected_state=BGP_FSM_ESTABLISHED, peer=self.g3)
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self.g1.wait_for(expected_state=BGP_FSM_ESTABLISHED, peer=self.e1)
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# prepare routes with path_id (no error check)
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def test_01_prepare_add_paths_routes(self):
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aspath = []
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for i in range(self.INSTALLED_PATHS):
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aspath.append((i + 1) * 100)
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self.e1.add_route(
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route="192.168.100.0/24",
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identifier=(i + 1) * 10,
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aspath=aspath,
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)
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# test three routes are installed to the rib due to add-path feature
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def test_02_check_g1_global_rib(self):
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def f():
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rib = self.g1.get_global_rib()
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self.assertEqual(len(rib), 1)
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self.assertEqual(len(rib[0]["paths"]), self.INSTALLED_PATHS)
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assert_several_times(f)
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# test only the best path is advertised to g2
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def test_03_check_g2_global_rib(self):
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def f():
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rib = self.g2.get_global_rib()
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self.assertEqual(len(rib), 1)
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self.assertEqual(len(rib[0]['paths']), 1)
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self.assertEqual(len(rib[0]["paths"][0]["aspath"]), 1)
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assert_several_times(f)
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# test three routes are advertised to g3
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def test_04_check_g3_global_rib(self):
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def f():
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rib = self.g3.get_global_rib()
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self.assertEqual(len(rib), 1)
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self.assertEqual(len(rib[0]["paths"]), self.SEND_MAX)
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assert_several_times(f)
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def test_05_check_g1_adj_out(self):
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adj_out = self.g1.get_adj_rib_out(self.g2, add_path_enabled=True)
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self.assertEqual(len(adj_out), 1)
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self.assertEqual(len(adj_out[0]["paths"]), 1)
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adj_out = self.g1.get_adj_rib_out(self.g3, add_path_enabled=True)
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self.assertEqual(len(adj_out), 1)
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self.assertEqual(len(adj_out[0]["paths"]), self.INSTALLED_PATHS)
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# expect the last path to be filtered
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self.assertTrue(adj_out[0]["paths"][-1].get("send-max-filtered", False))
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# withdraw a route with path_id (no error check)
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def test_06_withdraw_route_with_path_id(self):
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self.e1.del_route(route="192.168.100.0/24", identifier=10)
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# test the withdrawn route is removed from the rib
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def test_07_check_g1_global_rib(self):
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def f():
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rib = self.g1.get_global_rib()
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self.assertEqual(len(rib), 1)
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self.assertEqual(len(rib[0]["paths"]), self.INSTALLED_PATHS - 1)
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# we deleted the highest priority path
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for path in rib[0]['paths']:
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self.assertTrue(2 <= len(path["aspath"]) <= self.INSTALLED_PATHS)
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assert_several_times(f)
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# test the best path is replaced due to the removal from g1 rib
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def test_08_check_g2_global_rib(self):
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def f():
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rib = self.g2.get_global_rib()
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self.assertEqual(len(rib), 1)
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self.assertEqual(len(rib[0]['paths']), 1)
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self.assertEqual(len(rib[0]["paths"][0]["aspath"]), 2)
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assert_several_times(f)
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# test the withdrawn route is removed from the rib of g3
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# and the filtered route is advertised to g3
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def test_09_check_g3_global_rib(self):
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def f():
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rib = self.g3.get_global_rib()
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self.assertEqual(len(rib), 1)
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self.assertEqual(len(rib[0]["paths"]), self.SEND_MAX)
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for path in rib[0]['paths']:
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self.assertTrue(2 <= len(path["aspath"]) <= self.INSTALLED_PATHS)
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assert_several_times(f)
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# install a route with path_id via GoBGP CLI (no error check)
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def test_10_install_add_paths_route_via_cli(self):
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# identifier is duplicated with the identifier of the route from e1
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self.g1.add_route(route='192.168.100.0/24', identifier=10, local_pref=500)
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# test the route from CLI is installed to the rib
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def test_11_check_g1_global_rib(self):
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def f():
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rib = self.g1.get_global_rib()
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self.assertEqual(len(rib), 1)
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self.assertEqual(len(rib[0]["paths"]), self.INSTALLED_PATHS)
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for path in rib[0]['paths']:
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if not path["aspath"]:
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self.assertEqual(path['local-pref'], 500)
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else:
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self.assertTrue(2 <= len(path["aspath"]) <= self.INSTALLED_PATHS)
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assert_several_times(f)
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def test_12_check_g1_adj_out(self):
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adj_out = self.g1.get_adj_rib_out(self.g2, add_path_enabled=True)
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self.assertEqual(len(adj_out), 1)
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self.assertEqual(len(adj_out[0]["paths"]), 1)
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adj_out = self.g1.get_adj_rib_out(self.g3, add_path_enabled=True)
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self.assertEqual(len(adj_out), 1)
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self.assertEqual(len(adj_out[0]["paths"]), self.INSTALLED_PATHS)
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print(json.dumps(adj_out, indent=2))
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# the new best path shouldn't be advertised as it is added after
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# the limit is reached
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self.assertEqual(adj_out[0]["paths"][0]["local-pref"], 500)
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self.assertTrue(adj_out[0]["paths"][0].get("send-max-filtered", False))
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# test the best path is replaced due to the CLI route from g1 rib
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def test_13_check_g2_global_rib(self):
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def f():
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rib = self.g2.get_global_rib()
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self.assertEqual(len(rib), 1)
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self.assertEqual(len(rib[0]['paths']), 1)
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self.assertEqual(len(rib[0]["paths"][0]["aspath"]), 0)
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self.assertEqual(rib[0]["paths"][0]["local-pref"], 500)
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assert_several_times(f)
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# test the route from CLI is advertised from g1
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def test_14_check_g3_global_rib(self):
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def f():
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rib = self.g3.get_global_rib()
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self.assertEqual(len(rib), 1)
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print(json.dumps(rib, indent=2))
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self.assertEqual(len(rib[0]["paths"]), self.SEND_MAX)
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for path in rib[0]['paths']:
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self.assertTrue(2 <= len(path["aspath"]) <= self.INSTALLED_PATHS)
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assert_several_times(f)
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# remove non-existing route with path_id via GoBGP CLI (no error check)
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def test_15_remove_non_existing_add_paths_route_via_cli(self):
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# specify locally non-existing identifier which has the same value
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# with the identifier of the route from e1
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self.g1.del_route(route='192.168.100.0/24', identifier=20)
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# test none of route is removed by non-existing path_id via CLI
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def test_16_check_g1_global_rib(self):
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def f():
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rib = self.g1.get_global_rib()
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self.assertEqual(len(rib), 1)
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self.assertEqual(len(rib[0]["paths"]), self.INSTALLED_PATHS)
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for path in rib[0]['paths']:
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if not path["aspath"]:
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self.assertEqual(path['local-pref'], 500)
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else:
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self.assertTrue(2 <= len(path["aspath"]) <= self.INSTALLED_PATHS)
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assert_several_times(f)
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# remove route with path_id via GoBGP CLI (no error check)
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def test_17_remove_add_paths_route_via_cli(self):
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self.g1.del_route(route='192.168.100.0/24', identifier=10)
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def test_18_check_g1_adj_out(self):
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adj_out = self.g1.get_adj_rib_out(self.g2, add_path_enabled=True)
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self.assertEqual(len(adj_out), 1)
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self.assertEqual(len(adj_out[0]["paths"]), 1)
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adj_out = self.g1.get_adj_rib_out(self.g3, add_path_enabled=True)
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self.assertEqual(len(adj_out), 1)
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self.assertEqual(len(adj_out[0]["paths"]), self.INSTALLED_PATHS - 1)
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# test the route is removed from the rib via CLI
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def test_19_check_g1_global_rib(self):
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def f():
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rib = self.g1.get_global_rib()
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self.assertEqual(len(rib), 1)
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self.assertEqual(len(rib[0]["paths"]), self.INSTALLED_PATHS - 1)
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for path in rib[0]['paths']:
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if not path["aspath"]:
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self.assertTrue(2 <= len(path["aspath"]) <= self.INSTALLED_PATHS)
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assert_several_times(f)
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# test the best path is replaced the removal from g1 rib
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def test_20_check_g2_global_rib(self):
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def f():
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rib = self.g2.get_global_rib()
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self.assertEqual(len(rib), 1)
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self.assertEqual(len(rib[0]['paths']), 1)
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self.assertEqual(len(rib[0]["paths"][0]["aspath"]), 2)
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assert_several_times(f)
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# test the removed route from CLI is withdrawn by g1
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def test_21_check_g3_global_rib(self):
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def f():
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rib = self.g3.get_global_rib()
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self.assertEqual(len(rib), 1)
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self.assertEqual(len(rib[0]["paths"]), self.SEND_MAX)
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for path in rib[0]['paths']:
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if not path["aspath"]:
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self.assertTrue(2 <= len(path["aspath"]) <= self.INSTALLED_PATHS)
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assert_several_times(f)
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if __name__ == '__main__':
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output = local("which docker 2>&1 > /dev/null ; echo $?", capture=True)
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if int(output) != 0:
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print("docker not found")
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sys.exit(1)
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nose.main(argv=sys.argv, addplugins=[OptionParser()],
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defaultTest=sys.argv[0])
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