openstack/neutron-vpnaas
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694c84c61b
neutron-vpnaas/neutron_vpnaas/tests/unit/services/vpn/test_plugin.py
Dongcan Ye 92781c975c Using unittest.mock instead of mock 
We're only support py3 now, so using the standard library
unittest.mock instead of the mock module.

Change-Id: Ie827780a950cf66030ee1a688674e66ca7f3479c
2020-04-02 01:56:51 +00:00

358 lines
16 KiB
Python
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# Copyright 2013, Nachi Ueno, NTT I3, Inc.
# All Rights Reserved.
#
# 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 contextlib
from unittest import mock
from neutron.db import servicetype_db as st_db
from neutron.services.flavors import flavors_plugin
from neutron.tests.unit.db import test_agentschedulers_db
from neutron.tests.unit.extensions import test_agent as test_agent_ext_plugin
from neutron_lib import constants as lib_constants
from neutron_lib import context
from neutron_lib import exceptions as lib_exc
from neutron_lib.exceptions import flavors as flav_exc
from neutron_lib.plugins import constants as p_constants
from neutron_lib.plugins import directory
from oslo_utils import uuidutils
from neutron_vpnaas.extensions import vpn_flavors
from neutron_vpnaas.services.vpn import plugin as vpn_plugin
from neutron_vpnaas.services.vpn.service_drivers import driver_validator
from neutron_vpnaas.services.vpn.service_drivers import ipsec as ipsec_driver
from neutron_vpnaas.tests import base
from neutron_vpnaas.tests.unit.db.vpn import test_vpn_db as test_db_vpnaas
FAKE_HOST = test_agent_ext_plugin.L3_HOSTA
VPN_DRIVER_CLASS = 'neutron_vpnaas.services.vpn.plugin.VPNDriverPlugin'
IPSEC_SERVICE_DRIVER = ('neutron_vpnaas.services.vpn.service_drivers.'
'ipsec.IPsecVPNDriver')
DUMMY_IPSEC_SERVICE_DRIVER = ('neutron_vpnaas.tests.unit.dummy_ipsec.'
'DummyIPsecVPNDriver')
_uuid = uuidutils.generate_uuid
class TestVPNDriverPlugin(test_db_vpnaas.TestVpnaas,
test_agentschedulers_db.AgentSchedulerTestMixIn,
test_agent_ext_plugin.AgentDBTestMixIn):
def setUp(self):
driver_cls_p = mock.patch(
'neutron_vpnaas.services.vpn.'
'service_drivers.ipsec.IPsecVPNDriver')
driver_cls = driver_cls_p.start()
self.driver = mock.Mock()
self.driver.service_type = ipsec_driver.IPSEC
self.driver.validator = driver_validator.VpnDriverValidator(
self.driver)
driver_cls.return_value = self.driver
super(TestVPNDriverPlugin, self).setUp(
vpnaas_plugin=VPN_DRIVER_CLASS)
# Note: Context must be created after BaseTestCase.setUp() so that
# config for policy is set.
self.adminContext = context.get_admin_context()
def test_create_ipsec_site_connection(self, **extras):
super(TestVPNDriverPlugin, self).test_create_ipsec_site_connection()
self.driver.create_ipsec_site_connection.assert_called_once_with(
mock.ANY, mock.ANY)
self.driver.delete_ipsec_site_connection.assert_called_once_with(
mock.ANY, mock.ANY)
def test_create_vpnservice(self):
mock.patch('neutron_vpnaas.services.vpn.plugin.'
'VPNDriverPlugin._get_driver_for_vpnservice',
return_value=self.driver).start()
stm = directory.get_plugin(p_constants.VPN).service_type_manager
stm.add_resource_association = mock.Mock()
super(TestVPNDriverPlugin, self).test_create_vpnservice()
self.driver.create_vpnservice.assert_called_once_with(
mock.ANY, mock.ANY)
stm.add_resource_association.assert_called_once_with(
mock.ANY, p_constants.VPN, 'vpnaas', mock.ANY)
def test_delete_vpnservice(self, **extras):
stm = directory.get_plugin(p_constants.VPN).service_type_manager
stm.del_resource_associations = mock.Mock()
super(TestVPNDriverPlugin, self).test_delete_vpnservice()
self.driver.delete_vpnservice.assert_called_once_with(
mock.ANY, mock.ANY)
stm.del_resource_associations.assert_called_once_with(
mock.ANY, [mock.ANY])
def test_update_vpnservice(self, **extras):
super(TestVPNDriverPlugin, self).test_update_vpnservice()
self.driver.update_vpnservice.assert_called_once_with(
mock.ANY, mock.ANY, mock.ANY)
@contextlib.contextmanager
def vpnservice_set(self):
"""Test case to create a ipsec_site_connection."""
vpnservice_name = "vpn1"
ipsec_site_connection_name = "ipsec_site_connection"
ikename = "ikepolicy1"
ipsecname = "ipsecpolicy1"
description = "my-vpn-connection"
keys = {'name': vpnservice_name,
'description': "my-vpn-connection",
'peer_address': '192.168.1.10',
'peer_id': '192.168.1.10',
'peer_cidrs': ['192.168.2.0/24', '192.168.3.0/24'],
'initiator': 'bi-directional',
'mtu': 1500,
'dpd_action': 'hold',
'dpd_interval': 40,
'dpd_timeout': 120,
'tenant_id': self._tenant_id,
'psk': 'abcd',
'status': 'PENDING_CREATE',
'admin_state_up': True}
with self.ikepolicy(name=ikename) as ikepolicy:
with self.ipsecpolicy(name=ipsecname) as ipsecpolicy:
with self.subnet() as subnet:
with self.router() as router:
plugin = directory.get_plugin()
agent = {'host': FAKE_HOST,
'agent_type': lib_constants.AGENT_TYPE_L3,
'binary': 'fake-binary',
'topic': 'fake-topic'}
plugin.create_or_update_agent(self.adminContext, agent)
plugin.schedule_router(
self.adminContext, router['router']['id'])
with self.vpnservice(name=vpnservice_name,
subnet=subnet,
router=router) as vpnservice1:
keys['ikepolicy_id'] = ikepolicy['ikepolicy']['id']
keys['ipsecpolicy_id'] = (
ipsecpolicy['ipsecpolicy']['id']
)
keys['vpnservice_id'] = (
vpnservice1['vpnservice']['id']
)
with self.ipsec_site_connection(
self.fmt,
ipsec_site_connection_name,
keys['peer_address'],
keys['peer_id'],
keys['peer_cidrs'],
keys['mtu'],
keys['psk'],
keys['initiator'],
keys['dpd_action'],
keys['dpd_interval'],
keys['dpd_timeout'],
vpnservice1,
ikepolicy,
ipsecpolicy,
keys['admin_state_up'],
description=description,
):
yield vpnservice1['vpnservice']
def test_update_status(self):
with self.vpnservice_set() as vpnservice:
self._register_agent_states()
service_plugin = directory.get_plugin(p_constants.VPN)
service_plugin.update_status_by_agent(
self.adminContext,
[{'status': 'ACTIVE',
'ipsec_site_connections': {},
'updated_pending_status': True,
'id': vpnservice['id']}])
vpnservice = service_plugin.get_vpnservice(
self.adminContext, vpnservice['id'])
self.assertEqual(lib_constants.ACTIVE, vpnservice['status'])
class TestVPNDriverPluginMultipleDrivers(base.BaseTestCase):
def setUp(self):
super(TestVPNDriverPluginMultipleDrivers, self).setUp()
vpnaas_providers = [
{'service_type': p_constants.VPN,
'name': 'ipsec',
'driver': IPSEC_SERVICE_DRIVER,
'default': True},
{'service_type': p_constants.VPN,
'name': 'dummy',
'driver': DUMMY_IPSEC_SERVICE_DRIVER,
'default': False}]
self.service_providers = (
mock.patch.object(st_db.ServiceTypeManager,
'get_service_providers').start())
self.service_providers.return_value = vpnaas_providers
self.adminContext = context.get_admin_context()
@contextlib.contextmanager
def vpnservices_providers_set(self, vpnservices=None, provider_names=None):
if not vpnservices:
vpnservices = []
if not provider_names:
provider_names = {}
stm = st_db.ServiceTypeManager()
stm.get_provider_names_by_resource_ids = mock.Mock(
return_value=provider_names)
mock.patch('neutron.db.servicetype_db.ServiceTypeManager.get_instance',
return_value=stm).start()
mock.patch('neutron_vpnaas.db.vpn.vpn_db.VPNPluginDb.get_vpnservices',
return_value=vpnservices).start()
yield stm
def test_multiple_drivers_loaded(self):
with self.vpnservices_providers_set():
driver_plugin = vpn_plugin.VPNDriverPlugin()
self.assertEqual(2, len(driver_plugin.drivers))
self.assertEqual('ipsec', driver_plugin.default_provider)
self.assertIn('ipsec', driver_plugin.drivers)
self.assertEqual('ipsec', driver_plugin.drivers['ipsec'].name)
self.assertIn('dummy', driver_plugin.drivers)
self.assertEqual('dummy', driver_plugin.drivers['dummy'].name)
def test_provider_lost(self):
LOST_SERVICE_ID = _uuid()
LOST_PROVIDER_SERVICE = {'id': LOST_SERVICE_ID}
with self.vpnservices_providers_set(
vpnservices=[LOST_PROVIDER_SERVICE],
provider_names={LOST_SERVICE_ID: 'LOST_PROVIDER'}
):
self.assertRaises(SystemExit, vpn_plugin.VPNDriverPlugin)
def test_unasso_vpnservices(self):
UNASSO_SERVICE_ID = _uuid()
with self.vpnservices_providers_set(
vpnservices=[{'id': UNASSO_SERVICE_ID}]
) as stm:
stm.add_resource_association = mock.Mock()
vpn_plugin.VPNDriverPlugin()
stm.add_resource_association.assert_called_once_with(
mock.ANY, p_constants.VPN, 'ipsec', UNASSO_SERVICE_ID)
def test_get_driver_for_vpnservice(self):
DUMMY_VPNSERVICE_ID = _uuid()
DUMMY_VPNSERVICE = {'id': DUMMY_VPNSERVICE_ID}
provider_names = {DUMMY_VPNSERVICE_ID: 'dummy'}
with self.vpnservices_providers_set(provider_names=provider_names):
driver_plugin = vpn_plugin.VPNDriverPlugin()
self.assertEqual(
driver_plugin.drivers['dummy'],
driver_plugin._get_driver_for_vpnservice(
self.adminContext, DUMMY_VPNSERVICE))
def test_get_driver_for_ipsec_site_connection(self):
IPSEC_VPNSERVICE_ID = _uuid()
IPSEC_SITE_CONNECTION = {'vpnservice_id': IPSEC_VPNSERVICE_ID}
provider_names = {IPSEC_VPNSERVICE_ID: 'ipsec'}
with self.vpnservices_providers_set(provider_names=provider_names):
driver_plugin = vpn_plugin.VPNDriverPlugin()
self.assertEqual(
driver_plugin.drivers['ipsec'],
driver_plugin._get_driver_for_ipsec_site_connection(
self.adminContext, IPSEC_SITE_CONNECTION))
def test_get_provider_for_none_flavor_id(self):
with self.vpnservices_providers_set():
driver_plugin = vpn_plugin.VPNDriverPlugin()
provider = driver_plugin._get_provider_for_flavor(
self.adminContext, None)
self.assertEqual(
driver_plugin.default_provider, provider)
def test_get_provider_for_flavor_id_plugin_not_loaded(self):
with self.vpnservices_providers_set():
driver_plugin = vpn_plugin.VPNDriverPlugin()
self.assertRaises(
vpn_flavors.FlavorsPluginNotLoaded,
driver_plugin._get_provider_for_flavor,
self.adminContext,
_uuid())
def test_get_provider_for_flavor_id_invalid_type(self):
FAKE_FLAVOR = {'service_type': 'NOT_VPN'}
directory.add_plugin(p_constants.FLAVORS,
flavors_plugin.FlavorsPlugin())
mock.patch(
'neutron.services.flavors.flavors_plugin.FlavorsPlugin.get_flavor',
return_value=FAKE_FLAVOR).start()
with self.vpnservices_providers_set():
driver_plugin = vpn_plugin.VPNDriverPlugin()
self.assertRaises(
lib_exc.InvalidServiceType,
driver_plugin._get_provider_for_flavor,
self.adminContext,
_uuid())
def test_get_provider_for_flavor_id_flavor_disabled(self):
FAKE_FLAVOR = {'service_type': p_constants.VPN,
'enabled': False}
directory.add_plugin(p_constants.FLAVORS,
flavors_plugin.FlavorsPlugin())
mock.patch(
'neutron.services.flavors.flavors_plugin.FlavorsPlugin.get_flavor',
return_value=FAKE_FLAVOR).start()
with self.vpnservices_providers_set():
driver_plugin = vpn_plugin.VPNDriverPlugin()
self.assertRaises(
flav_exc.FlavorDisabled,
driver_plugin._get_provider_for_flavor,
self.adminContext,
_uuid())
def test_get_provider_for_flavor_id_provider_not_found(self):
FLAVOR_ID = _uuid()
FAKE_FLAVOR = {'id': FLAVOR_ID,
'service_type': p_constants.VPN,
'enabled': True}
PROVIDERS = [{'provider': 'SOME_PROVIDER'}]
directory.add_plugin(p_constants.FLAVORS,
flavors_plugin.FlavorsPlugin())
mock.patch(
'neutron.services.flavors.flavors_plugin.FlavorsPlugin.get_flavor',
return_value=FAKE_FLAVOR).start()
mock.patch(
'neutron.services.flavors.flavors_plugin.'
'FlavorsPlugin.get_flavor_next_provider',
return_value=PROVIDERS).start()
with self.vpnservices_providers_set():
driver_plugin = vpn_plugin.VPNDriverPlugin()
self.assertRaises(
vpn_flavors.NoProviderFoundForFlavor,
driver_plugin._get_provider_for_flavor,
self.adminContext,
FLAVOR_ID)
def test_get_provider_for_flavor_id(self):
FLAVOR_ID = _uuid()
FAKE_FLAVOR = {'id': FLAVOR_ID,
'service_type': p_constants.VPN,
'enabled': True}
PROVIDERS = [{'provider': 'dummy'}]
directory.add_plugin(p_constants.FLAVORS,
flavors_plugin.FlavorsPlugin())
mock.patch(
'neutron.services.flavors.flavors_plugin.FlavorsPlugin.get_flavor',
return_value=FAKE_FLAVOR).start()
mock.patch(
'neutron.services.flavors.flavors_plugin.'
'FlavorsPlugin.get_flavor_next_provider',
return_value=PROVIDERS).start()
with self.vpnservices_providers_set():
driver_plugin = vpn_plugin.VPNDriverPlugin()
self.assertEqual(
'dummy',
driver_plugin._get_provider_for_flavor(
self.adminContext, FLAVOR_ID))
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