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# Copyright 2022 Canonical
# 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.
from unittest import mock
from neutron.common.ovn import constants
from neutron.conf.plugins.ml2.drivers.ovn import ovn_conf
from neutron.plugins.ml2.drivers.ovn.mech_driver.ovsdb import ovn_client
from neutron.tests import base
from neutron.tests.unit.services.logapi.drivers.ovn \
import test_driver as test_log_driver
from neutron_lib.services.logapi import constants as log_const
class TestOVNClientBase(base.BaseTestCase):
def setUp(self):
ovn_conf.register_opts()
super(TestOVNClientBase, self).setUp()
self.nb_idl = mock.MagicMock()
self.sb_idl = mock.MagicMock()
self.ovn_client = ovn_client.OVNClient(self.nb_idl, self.sb_idl)
class TestOVNClientFairMeter(TestOVNClientBase,
test_log_driver.TestOVNDriverBase):
def test_create_ovn_fair_meter(self):
mock_find_rows = mock.Mock()
mock_find_rows.execute.return_value = None
self.nb_idl.db_find_rows.return_value = mock_find_rows
self.ovn_client.create_ovn_fair_meter(self._log_driver.meter_name)
self.assertFalse(self.nb_idl.meter_del.called)
self.assertTrue(self.nb_idl.meter_add.called)
self.nb_idl.meter_add.assert_called_once_with(
name=self._log_driver.meter_name,
unit="pktps",
rate=self.fake_cfg_network_log.rate_limit,
fair=True,
burst_size=self.fake_cfg_network_log.burst_limit,
may_exist=False,
external_ids={constants.OVN_DEVICE_OWNER_EXT_ID_KEY:
log_const.LOGGING_PLUGIN})
def test_create_ovn_fair_meter_unchanged(self):
mock_find_rows = mock.Mock()
mock_find_rows.execute.return_value = [self._fake_meter()]
self.nb_idl.db_find_rows.return_value = mock_find_rows
self.nb_idl.lookup.side_effect = lambda table, key, default: (
self._fake_meter_band() if key == "test_band" else default)
self.ovn_client.create_ovn_fair_meter(self._log_driver.meter_name)
self.assertFalse(self.nb_idl.meter_del.called)
self.assertFalse(self.nb_idl.meter_add.called)
def test_create_ovn_fair_meter_changed(self):
mock_find_rows = mock.Mock()
mock_find_rows.execute.return_value = [self._fake_meter(fair=[False])]
self.nb_idl.db_find_rows.return_value = mock_find_rows
self.nb_idl.lookup.return_value = self._fake_meter_band()
self.ovn_client.create_ovn_fair_meter(self._log_driver.meter_name)
self.assertTrue(self.nb_idl.meter_del.called)
self.assertTrue(self.nb_idl.meter_add.called)
def test_create_ovn_fair_meter_band_changed(self):
mock_find_rows = mock.Mock()
mock_find_rows.execute.return_value = [self._fake_meter()]
self.nb_idl.db_find_rows.return_value = mock_find_rows
self.nb_idl.lookup.return_value = self._fake_meter_band(rate=666)
self.ovn_client.create_ovn_fair_meter(self._log_driver.meter_name)
self.assertTrue(self.nb_idl.meter_del.called)
self.assertTrue(self.nb_idl.meter_add.called)
def test_create_ovn_fair_meter_band_missing(self):
mock_find_rows = mock.Mock()
mock_find_rows.execute.return_value = [self._fake_meter()]
self.nb_idl.db_find_rows.return_value = mock_find_rows
self.nb_idl.lookup.side_effect = None
self.ovn_client.create_ovn_fair_meter(self._log_driver.meter_name)
self.assertTrue(self.nb_idl.meter_del.called)
self.assertTrue(self.nb_idl.meter_add.called)
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