Dynamic routing services for OpenStack Neutron.
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# Copyright 2016 Huawei Technologies India Pvt. Ltd.
#
# 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.
from unittest import mock
from neutron.tests import base
from os_ken.services.protocols.bgp import bgpspeaker
from os_ken.services.protocols.bgp.rtconf.neighbors import CONNECT_MODE_ACTIVE
from oslo_config import cfg
from oslo_utils import encodeutils
from neutron_dynamic_routing.services.bgp.agent import config as bgp_config
from neutron_dynamic_routing.services.bgp.agent.driver import exceptions as bgp_driver_exc # noqa
from neutron_dynamic_routing.services.bgp.agent.driver.os_ken import driver as os_ken_driver # noqa
# Test variables for BGP Speaker
FAKE_LOCAL_AS1 = 12345
FAKE_LOCAL_AS2 = 23456
FAKE_ROUTER_ID = '1.1.1.1'
# Test variables for BGP Peer
FAKE_PEER_AS = 45678
FAKE_PEER_IP = '2.2.2.5'
FAKE_PEER_IPV6 = '2001:db8::'
FAKE_AUTH_TYPE = 'md5'
FAKE_PEER_PASSWORD = 'awesome'
# Test variables for Route
FAKE_ROUTE = '2.2.2.0/24'
FAKE_NEXTHOP = '5.5.5.5'
class TestOsKenBgpDriver(base.BaseTestCase):
def setUp(self):
super(TestOsKenBgpDriver, self).setUp()
cfg.CONF.register_opts(bgp_config.BGP_PROTO_CONFIG_OPTS, 'BGP')
cfg.CONF.set_override('bgp_router_id', FAKE_ROUTER_ID, 'BGP')
self.os_ken_bgp_driver = os_ken_driver.OsKenBgpDriver(cfg.CONF.BGP)
mock_os_ken_speaker_p = mock.patch.object(bgpspeaker, 'BGPSpeaker')
self.mock_os_ken_speaker = mock_os_ken_speaker_p.start()
def test_add_new_bgp_speaker(self):
self.os_ken_bgp_driver.add_bgp_speaker(FAKE_LOCAL_AS1)
self.assertEqual(1,
self.os_ken_bgp_driver.cache.get_hosted_bgp_speakers_count())
self.mock_os_ken_speaker.assert_called_once_with(
as_number=FAKE_LOCAL_AS1, router_id=FAKE_ROUTER_ID,
bgp_server_port=0,
best_path_change_handler=os_ken_driver.best_path_change_cb,
peer_down_handler=os_ken_driver.bgp_peer_down_cb,
peer_up_handler=os_ken_driver.bgp_peer_up_cb)
def test_remove_bgp_speaker(self):
self.os_ken_bgp_driver.add_bgp_speaker(FAKE_LOCAL_AS1)
self.assertEqual(1,
self.os_ken_bgp_driver.cache.get_hosted_bgp_speakers_count())
speaker = self.os_ken_bgp_driver.cache.get_bgp_speaker(FAKE_LOCAL_AS1)
self.os_ken_bgp_driver.delete_bgp_speaker(FAKE_LOCAL_AS1)
self.assertEqual(0,
self.os_ken_bgp_driver.cache.get_hosted_bgp_speakers_count())
self.assertEqual(1, speaker.shutdown.call_count)
def test_add_bgp_peer_without_password(self):
self.os_ken_bgp_driver.add_bgp_speaker(FAKE_LOCAL_AS1)
self.assertEqual(1,
self.os_ken_bgp_driver.cache.get_hosted_bgp_speakers_count())
self.os_ken_bgp_driver.add_bgp_peer(FAKE_LOCAL_AS1,
FAKE_PEER_IP,
FAKE_PEER_AS)
speaker = self.os_ken_bgp_driver.cache.get_bgp_speaker(FAKE_LOCAL_AS1)
speaker.neighbor_add.assert_called_once_with(
address=FAKE_PEER_IP,
remote_as=FAKE_PEER_AS,
enable_ipv4=True,
enable_ipv6=True,
password=None,
connect_mode=CONNECT_MODE_ACTIVE)
def test_add_bgp_peer_with_password(self):
self.os_ken_bgp_driver.add_bgp_speaker(FAKE_LOCAL_AS1)
self.assertEqual(1,
self.os_ken_bgp_driver.cache.get_hosted_bgp_speakers_count())
self.os_ken_bgp_driver.add_bgp_peer(FAKE_LOCAL_AS1,
FAKE_PEER_IP,
FAKE_PEER_AS,
FAKE_AUTH_TYPE,
FAKE_PEER_PASSWORD)
speaker = self.os_ken_bgp_driver.cache.get_bgp_speaker(FAKE_LOCAL_AS1)
speaker.neighbor_add.assert_called_once_with(
address=FAKE_PEER_IP,
remote_as=FAKE_PEER_AS,
enable_ipv4=True,
enable_ipv6=True,
password=encodeutils.to_utf8(FAKE_PEER_PASSWORD),
connect_mode=CONNECT_MODE_ACTIVE)
def test_add_bgp_peer_with_unicode_password(self):
self.os_ken_bgp_driver.add_bgp_speaker(FAKE_LOCAL_AS1)
self.assertEqual(1,
self.os_ken_bgp_driver.cache.get_hosted_bgp_speakers_count())
NEW_FAKE_PEER_PASSWORD = str(FAKE_PEER_PASSWORD)
self.os_ken_bgp_driver.add_bgp_peer(
FAKE_LOCAL_AS1,
FAKE_PEER_IP,
FAKE_PEER_AS,
FAKE_AUTH_TYPE,
NEW_FAKE_PEER_PASSWORD)
speaker = self.os_ken_bgp_driver.cache.get_bgp_speaker(FAKE_LOCAL_AS1)
speaker.neighbor_add.assert_called_once_with(
address=FAKE_PEER_IP,
remote_as=FAKE_PEER_AS,
enable_ipv4=True,
enable_ipv6=True,
password=encodeutils.to_utf8(NEW_FAKE_PEER_PASSWORD),
connect_mode=CONNECT_MODE_ACTIVE)
def test_add_bgp_peer_with_ipv6(self):
self.os_ken_bgp_driver.add_bgp_speaker(FAKE_LOCAL_AS1)
self.assertEqual(1,
self.os_ken_bgp_driver.cache.get_hosted_bgp_speakers_count())
self.os_ken_bgp_driver.add_bgp_peer(FAKE_LOCAL_AS1,
FAKE_PEER_IPV6,
FAKE_PEER_AS)
speaker = self.os_ken_bgp_driver.cache.get_bgp_speaker(FAKE_LOCAL_AS1)
speaker.neighbor_add.assert_called_once_with(
address=FAKE_PEER_IPV6,
remote_as=FAKE_PEER_AS,
enable_ipv4=True,
enable_ipv6=True,
password=None,
connect_mode=CONNECT_MODE_ACTIVE)
def test_remove_bgp_peer(self):
self.os_ken_bgp_driver.add_bgp_speaker(FAKE_LOCAL_AS1)
self.assertEqual(1,
self.os_ken_bgp_driver.cache.get_hosted_bgp_speakers_count())
self.os_ken_bgp_driver.delete_bgp_peer(FAKE_LOCAL_AS1, FAKE_PEER_IP)
speaker = self.os_ken_bgp_driver.cache.get_bgp_speaker(FAKE_LOCAL_AS1)
speaker.neighbor_del.assert_called_once_with(address=FAKE_PEER_IP)
def test_advertise_route(self):
self.os_ken_bgp_driver.add_bgp_speaker(FAKE_LOCAL_AS1)
self.assertEqual(1,
self.os_ken_bgp_driver.cache.get_hosted_bgp_speakers_count())
self.os_ken_bgp_driver.advertise_route(FAKE_LOCAL_AS1,
FAKE_ROUTE,
FAKE_NEXTHOP)
speaker = self.os_ken_bgp_driver.cache.get_bgp_speaker(FAKE_LOCAL_AS1)
speaker.prefix_add.assert_called_once_with(prefix=FAKE_ROUTE,
next_hop=FAKE_NEXTHOP)
def test_withdraw_route(self):
self.os_ken_bgp_driver.add_bgp_speaker(FAKE_LOCAL_AS1)
self.assertEqual(1,
self.os_ken_bgp_driver.cache.get_hosted_bgp_speakers_count())
self.os_ken_bgp_driver.withdraw_route(FAKE_LOCAL_AS1, FAKE_ROUTE)
speaker = self.os_ken_bgp_driver.cache.get_bgp_speaker(FAKE_LOCAL_AS1)
speaker.prefix_del.assert_called_once_with(prefix=FAKE_ROUTE)
def test_add_same_bgp_speakers_twice(self):
self.os_ken_bgp_driver.add_bgp_speaker(FAKE_LOCAL_AS1)
self.assertRaises(bgp_driver_exc.BgpSpeakerAlreadyScheduled,
self.os_ken_bgp_driver.add_bgp_speaker,
FAKE_LOCAL_AS1)
def test_add_different_bgp_speakers_when_one_already_added(self):
self.os_ken_bgp_driver.add_bgp_speaker(FAKE_LOCAL_AS1)
self.assertRaises(bgp_driver_exc.BgpSpeakerMaxScheduled,
self.os_ken_bgp_driver.add_bgp_speaker,
FAKE_LOCAL_AS2)
def test_add_bgp_speaker_with_invalid_asnum_paramtype(self):
self.assertRaises(bgp_driver_exc.InvalidParamType,
self.os_ken_bgp_driver.add_bgp_speaker, '12345')
def test_add_bgp_speaker_with_invalid_asnum_range(self):
self.assertRaises(bgp_driver_exc.InvalidParamRange,
self.os_ken_bgp_driver.add_bgp_speaker, -1)
self.assertRaises(bgp_driver_exc.InvalidParamRange,
self.os_ken_bgp_driver.add_bgp_speaker, 4294967296)
# valid when enables 4 byte AS number
self.os_ken_bgp_driver.add_bgp_speaker(65536)
def test_add_bgp_peer_with_invalid_paramtype(self):
# Test with an invalid asnum data-type
self.os_ken_bgp_driver.add_bgp_speaker(FAKE_LOCAL_AS1)
self.assertRaises(bgp_driver_exc.InvalidParamType,
self.os_ken_bgp_driver.add_bgp_peer,
FAKE_LOCAL_AS1, FAKE_PEER_IP, '12345')
# Test with an invalid auth-type and an invalid password
self.assertRaises(bgp_driver_exc.InvalidParamType,
self.os_ken_bgp_driver.add_bgp_peer,
FAKE_LOCAL_AS1, FAKE_PEER_IP, FAKE_PEER_AS,
'sha-1', 1234)
# Test with an invalid auth-type and a valid password
self.assertRaises(bgp_driver_exc.InvaildAuthType,
self.os_ken_bgp_driver.add_bgp_peer,
FAKE_LOCAL_AS1, FAKE_PEER_IP, FAKE_PEER_AS,
'hmac-md5', FAKE_PEER_PASSWORD)
# Test with none auth-type and a valid password
self.assertRaises(bgp_driver_exc.InvaildAuthType,
self.os_ken_bgp_driver.add_bgp_peer,
FAKE_LOCAL_AS1, FAKE_PEER_IP, FAKE_PEER_AS,
'none', FAKE_PEER_PASSWORD)
# Test with none auth-type and an invalid password
self.assertRaises(bgp_driver_exc.InvalidParamType,
self.os_ken_bgp_driver.add_bgp_peer,
FAKE_LOCAL_AS1, FAKE_PEER_IP, FAKE_PEER_AS,
'none', 1234)
# Test with a valid auth-type and no password
self.assertRaises(bgp_driver_exc.PasswordNotSpecified,
self.os_ken_bgp_driver.add_bgp_peer,
FAKE_LOCAL_AS1, FAKE_PEER_IP, FAKE_PEER_AS,
FAKE_AUTH_TYPE, None)
# Test with a invalid ip address
self.assertRaises(bgp_driver_exc.InvalidParamType,
self.os_ken_bgp_driver.add_bgp_peer,
FAKE_LOCAL_AS1, '1.2.3.a', FAKE_PEER_AS,
FAKE_AUTH_TYPE, FAKE_PEER_PASSWORD)
def test_add_bgp_peer_with_invalid_asnum_range(self):
self.os_ken_bgp_driver.add_bgp_speaker(FAKE_LOCAL_AS1)
self.assertRaises(bgp_driver_exc.InvalidParamRange,
self.os_ken_bgp_driver.add_bgp_peer,
FAKE_LOCAL_AS1, FAKE_PEER_IP, -1)
self.assertRaises(bgp_driver_exc.InvalidParamRange,
self.os_ken_bgp_driver.add_bgp_peer,
FAKE_LOCAL_AS1, FAKE_PEER_IP, 4294967296)
# valid when enables 4 byte AS number
self.os_ken_bgp_driver.add_bgp_peer(FAKE_LOCAL_AS1, FAKE_PEER_IP,
65536)
def test_add_bgp_peer_without_adding_speaker(self):
self.assertRaises(bgp_driver_exc.BgpSpeakerNotAdded,
self.os_ken_bgp_driver.add_bgp_peer,
FAKE_LOCAL_AS1, FAKE_PEER_IP, FAKE_PEER_AS)
def test_remove_bgp_peer_with_invalid_paramtype(self):
self.os_ken_bgp_driver.add_bgp_speaker(FAKE_LOCAL_AS1)
self.assertRaises(bgp_driver_exc.InvalidParamType,
self.os_ken_bgp_driver.delete_bgp_peer,
FAKE_LOCAL_AS1, 12345)
def test_remove_bgp_peer_without_adding_speaker(self):
self.assertRaises(bgp_driver_exc.BgpSpeakerNotAdded,
self.os_ken_bgp_driver.delete_bgp_peer,
FAKE_LOCAL_AS1, FAKE_PEER_IP)
def test_advertise_route_with_invalid_paramtype(self):
self.os_ken_bgp_driver.add_bgp_speaker(FAKE_LOCAL_AS1)
self.assertRaises(bgp_driver_exc.InvalidParamType,
self.os_ken_bgp_driver.advertise_route,
FAKE_LOCAL_AS1, 12345, FAKE_NEXTHOP)
self.assertRaises(bgp_driver_exc.InvalidParamType,
self.os_ken_bgp_driver.advertise_route,
FAKE_LOCAL_AS1, FAKE_ROUTE, 12345)
def test_advertise_route_without_adding_speaker(self):
self.assertRaises(bgp_driver_exc.BgpSpeakerNotAdded,
self.os_ken_bgp_driver.advertise_route,
FAKE_LOCAL_AS1, FAKE_ROUTE, FAKE_NEXTHOP)
def test_withdraw_route_with_invalid_paramtype(self):
self.os_ken_bgp_driver.add_bgp_speaker(FAKE_LOCAL_AS1)
self.assertRaises(bgp_driver_exc.InvalidParamType,
self.os_ken_bgp_driver.withdraw_route,
FAKE_LOCAL_AS1, 12345)
self.assertRaises(bgp_driver_exc.InvalidParamType,
self.os_ken_bgp_driver.withdraw_route,
FAKE_LOCAL_AS1, 12345)
def test_withdraw_route_without_adding_speaker(self):
self.assertRaises(bgp_driver_exc.BgpSpeakerNotAdded,
self.os_ken_bgp_driver.withdraw_route,
FAKE_LOCAL_AS1, FAKE_ROUTE)
def test_add_multiple_bgp_speakers(self):
self.os_ken_bgp_driver.add_bgp_speaker(FAKE_LOCAL_AS1)
self.assertEqual(1,
self.os_ken_bgp_driver.cache.get_hosted_bgp_speakers_count())
self.assertRaises(bgp_driver_exc.BgpSpeakerMaxScheduled,
self.os_ken_bgp_driver.add_bgp_speaker,
FAKE_LOCAL_AS2)
self.assertRaises(bgp_driver_exc.BgpSpeakerNotAdded,
self.os_ken_bgp_driver.delete_bgp_speaker,
FAKE_LOCAL_AS2)
self.assertEqual(1,
self.os_ken_bgp_driver.cache.get_hosted_bgp_speakers_count())
self.os_ken_bgp_driver.delete_bgp_speaker(FAKE_LOCAL_AS1)
self.assertEqual(0,
self.os_ken_bgp_driver.cache.get_hosted_bgp_speakers_count())