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# 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_lib.plugins import constants as plugin_constants
from neutron_lib.services.logapi import constants as log_const
from oslo_utils import uuidutils
from ovsdbapp.backend.ovs_idl import idlutils
from neutron.common import utils as neutron_utils
from neutron.common.ovn import constants as ovn_const
from neutron.common.ovn import utils as ovn_utils
from neutron.services.logapi.drivers.ovn import driver as ovn_driver
from neutron.tests import base
from neutron.tests.unit import fake_resources
FAKE_CFG_RATE = 123
FAKE_CFG_BURST = 321
class TestOVNDriverBase(base.BaseTestCase):
def setUp(self):
super().setUp()
self.context = mock.Mock()
self.plugin_driver = mock.Mock()
self.plugin_driver.nb_ovn = fake_resources.FakeOvsdbNbOvnIdl()
self.log_plugin = mock.Mock()
get_mock_log_plugin = lambda alias: self.log_plugin if (
alias == plugin_constants.LOG_API) else None
self.fake_get_dir_object = mock.patch(
"neutron_lib.plugins.directory.get_plugin",
side_effect=get_mock_log_plugin).start()
self.fake_get_sgs_attached_to_port = mock.patch(
"neutron.services.logapi.common.db_api._get_sgs_attached_to_port",
return_value=[]).start()
self.fake_cfg_network_log = mock.patch(
"oslo_config.cfg.CONF.network_log").start()
self.fake_cfg_network_log.local_output_log_base = None
self.fake_cfg_network_log.rate_limit = FAKE_CFG_RATE
self.fake_cfg_network_log.burst_limit = FAKE_CFG_BURST
self._log_driver_property = None
@property
def _nb_ovn(self):
return self.plugin_driver.nb_ovn
@property
def _log_driver(self):
if self._log_driver_property is None:
self._log_driver_property = ovn_driver.OVNDriver.create(
self.plugin_driver)
return self._log_driver_property
def _log_driver_reinit(self):
self._log_driver_property = None
return self._log_driver
def _fake_meter(self, **kwargs):
meter_defaults_dict = {
'uuid': uuidutils.generate_uuid(),
'bands': [mock.Mock(uuid='test_band')],
'unit': 'pktps',
'fair': [True],
}
meter_obj_dict = {**meter_defaults_dict, **kwargs}
return mock.Mock(**meter_obj_dict)
def _fake_meter_band(self, **kwargs):
meter_band_defaults_dict = {
'uuid': 'test_band',
'rate': self.fake_cfg_network_log.rate_limit,
'burst_size': self.fake_cfg_network_log.burst_limit,
}
meter_band_obj_dict = {**meter_band_defaults_dict, **kwargs}
return mock.Mock(**meter_band_obj_dict)
class TestOVNDriver(TestOVNDriverBase):
def test_create(self):
driver = self._log_driver
self.assertEqual(self.log_plugin, driver._log_plugin)
self.assertEqual(self.plugin_driver, driver.plugin_driver)
self.assertEqual(self.plugin_driver.nb_ovn, driver.ovn_nb)
def test_create_meter_name(self):
driver = self._log_driver
self.assertEqual("acl_log_meter", driver.meter_name)
test_log_base = neutron_utils.get_rand_name()
self.fake_cfg_network_log.local_output_log_base = test_log_base
driver2 = self._log_driver_reinit()
self.assertEqual(test_log_base, driver2.meter_name)
class _fake_acl():
def __init__(self, name=None, **acl_dict):
acl_defaults_dict = {
"name": [name] if name else [],
"action": ovn_const.ACL_ACTION_ALLOW_RELATED,
}
self.__dict__ = {**acl_defaults_dict, **acl_dict}
def _fake_pg_dict(self, **kwargs):
pg_defaults_dict = {
"name": ovn_utils.ovn_port_group_name(uuidutils.generate_uuid()),
"acls": []
}
return {**pg_defaults_dict, **kwargs}
def _fake_pg(self, **kwargs):
pg_defaults_dict = {
"name": ovn_utils.ovn_port_group_name(uuidutils.generate_uuid()),
"acls": []
}
pg_dict = {**pg_defaults_dict, **kwargs}
return mock.Mock(**pg_dict)
def _fake_log_obj(self, **kwargs):
log_obj_defaults_dict = {
'uuid': uuidutils.generate_uuid(),
'resource_id': None,
'target_id': None,
'event': log_const.ALL_EVENT,
}
log_obj_obj_dict = {**log_obj_defaults_dict, **kwargs}
return mock.Mock(**log_obj_obj_dict)
def test__pgs_from_log_obj_pg_all(self):
expected_pgs = [self._fake_pg()]
with mock.patch.object(self._log_driver, '_pgs_all',
return_value=expected_pgs) as mock_pgs_all:
log_obj = self._fake_log_obj()
pgs = self._log_driver._pgs_from_log_obj(self.context, log_obj)
mock_pgs_all.assert_called_once()
self.assertEqual(expected_pgs, pgs)
def test__pgs_from_log_obj_empty(self):
with mock.patch.object(self._log_driver, '_pgs_all',
return_value=[]) as mock_pgs_all:
self._nb_ovn.lookup.side_effect = idlutils.RowNotFound
log_obj = self._fake_log_obj(target_id='target_id')
pgs = self._log_driver._pgs_from_log_obj(self.context, log_obj)
mock_pgs_all.assert_not_called()
self._nb_ovn.lookup.assert_called_once_with(
"Port_Group", ovn_const.OVN_DROP_PORT_GROUP_NAME)
self.fake_get_sgs_attached_to_port.assert_called_once_with(
self.context, 'target_id')
self.assertEqual([], pgs)
def test__pgs_from_log_obj_pg_drop(self):
with mock.patch.object(self._log_driver, '_pgs_all',
return_value=[]) as mock_pgs_all:
pg = self._fake_pg()
def _mock_lookup(_pg_table, pg_name):
if pg_name == ovn_const.OVN_DROP_PORT_GROUP_NAME:
return pg
raise idlutils.RowNotFound
self._nb_ovn.lookup.side_effect = _mock_lookup
log_obj = self._fake_log_obj(resource_id='resource_id')
pgs = self._log_driver._pgs_from_log_obj(self.context, log_obj)
mock_pgs_all.assert_not_called()
self.assertEqual(2, self._nb_ovn.lookup.call_count)
self.assertEqual([{'acls': [], 'name': pg.name}], pgs)
def test__pgs_from_log_obj_pg(self):
with mock.patch.object(self._log_driver, '_pgs_all',
return_value=[]) as mock_pgs_all:
pg = self._fake_pg()
self._nb_ovn.lookup.return_value = pg
log_obj = self._fake_log_obj(resource_id='resource_id',
target_id='target_id',
event=log_const.ACCEPT_EVENT)
pgs = self._log_driver._pgs_from_log_obj(self.context, log_obj)
mock_pgs_all.assert_not_called()
self._nb_ovn.lookup.assert_called_once_with(
"Port_Group", ovn_utils.ovn_port_group_name('resource_id'))
self.assertEqual([{'acls': [], 'name': pg.name}], pgs)
def test__pgs_from_log_obj_port(self):
with mock.patch.object(self._log_driver, '_pgs_all',
return_value=[]) as mock_pgs_all:
sg_id = uuidutils.generate_uuid()
pg_name = ovn_utils.ovn_port_group_name(sg_id)
pg = self._fake_pg(name=pg_name)
self._nb_ovn.lookup.return_value = pg
log_obj = self._fake_log_obj(target_id='target_id',
event=log_const.ACCEPT_EVENT)
self.fake_get_sgs_attached_to_port.return_value = [sg_id]
pgs = self._log_driver._pgs_from_log_obj(self.context, log_obj)
mock_pgs_all.assert_not_called()
self._nb_ovn.lookup.assert_called_once_with("Port_Group", pg_name)
self.fake_get_sgs_attached_to_port.assert_called_once_with(
self.context, 'target_id')
self.assertEqual([{'acls': [], 'name': pg.name}], pgs)
@mock.patch.object(ovn_driver.LOG, 'info')
def test__remove_acls_log(self, m_info):
pg_dict = self._fake_pg_dict(acls=['acl1', 'acl2'])
self._log_driver._remove_acls_log([pg_dict], self._nb_ovn.transaction)
info_args, _info_kwargs = m_info.call_args_list[0]
self.assertIn('Cleared %d, Not found %d (out of %d visited) ACLs',
info_args[0])
self._nb_ovn.lookup.assert_has_calls([
mock.call('ACL', 'acl1', default=None),
mock.call('ACL', 'acl2', default=None)])
self.assertEqual(len(pg_dict["acls"]), info_args[1])
self.assertEqual(len(pg_dict["acls"]) - 2, info_args[2])
self.assertEqual(len(pg_dict["acls"]), info_args[3])
self.assertEqual(len(pg_dict["acls"]),
self._nb_ovn.db_set.call_count)
self.assertEqual(len(pg_dict["acls"]),
self._nb_ovn.db_remove.call_count)
@mock.patch.object(ovn_driver.LOG, 'info')
def test__remove_acls_log_missing_acls(self, m_info):
pg_dict = self._fake_pg_dict(acls=['acl1', 'acl2', 'acl3'])
def _mock_lookup(_pg_table, acl_uuid, default):
if acl_uuid == 'acl3':
return None
return self._fake_acl()
self._nb_ovn.lookup.side_effect = _mock_lookup
self._log_driver._remove_acls_log([pg_dict], self._nb_ovn.transaction)
info_args, _info_kwargs = m_info.call_args_list[0]
self.assertEqual(len(pg_dict["acls"]) - 1, info_args[1])
self.assertEqual(len(pg_dict["acls"]) - 2, info_args[2])
self.assertEqual(len(pg_dict["acls"]), info_args[3])
self.assertEqual(len(pg_dict["acls"]) - 1,
self._nb_ovn.db_set.call_count)
@mock.patch.object(ovn_driver.LOG, 'info')
def test__remove_acls_log_with_log_name(self, m_info):
pg_dict = self._fake_pg_dict(acls=['acl1', 'acl2', 'acl3', 'acl4'])
log_name = 'test_obj_name'
used_name = 'test_used_name'
def _mock_lookup(_pg_table, acl_uuid, default):
if acl_uuid == 'acl2':
return self._fake_acl(name=used_name)
return self._fake_acl(name=log_name)
self._nb_ovn.lookup.side_effect = _mock_lookup
self._log_driver._remove_acls_log([pg_dict], self._nb_ovn.transaction,
log_name)
info_args, _info_kwargs = m_info.call_args_list[0]
self.assertIn('Cleared %d, Not found %d (out of %d visited) ACLs',
info_args[0])
self.assertIn('for network log {}'.format(log_name), info_args[0])
self.assertEqual(len(pg_dict["acls"]) - 1, info_args[1])
self.assertEqual(len(pg_dict["acls"]) - 4, info_args[2])
self.assertEqual(len(pg_dict["acls"]), info_args[3])
self.assertEqual(len(pg_dict["acls"]) - 1,
self._nb_ovn.db_set.call_count)
@mock.patch.object(ovn_driver.LOG, 'info')
def test__set_acls_log(self, m_info):
pg_dict = self._fake_pg_dict(acls=['acl1', 'acl2', 'acl3', 'acl4'])
log_name = 'test_obj_name'
used_name = 'test_used_name'
def _mock_lookup(_pg_table, acl_uuid):
if acl_uuid == 'acl3':
return self._fake_acl()
return self._fake_acl(name=used_name)
self._nb_ovn.lookup.side_effect = _mock_lookup
actions_enabled = self._log_driver._acl_actions_enabled(
self._fake_log_obj(event=log_const.ALL_EVENT))
self._log_driver._set_acls_log([pg_dict], self._nb_ovn.transaction,
actions_enabled, log_name)
info_args, _info_kwargs = m_info.call_args_list[0]
self.assertIn('Set %d (out of %d visited) ACLs for network log %s',
info_args[0])
self.assertEqual(1, info_args[1])
self.assertEqual(len(pg_dict["acls"]), info_args[2])
self.assertEqual(log_name, info_args[3])
self.assertEqual(1, self._nb_ovn.db_set.call_count)
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