neutron/neutron/tests/unit/services/qos/drivers/test_manager.py

207 lines
8.1 KiB
Python

# 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 mock
from neutron_lib.api.definitions import portbindings
from neutron_lib import context
from oslo_utils import uuidutils
from neutron.common import constants
from neutron.objects import ports as ports_object
from neutron.objects.qos import rule as rule_object
from neutron.services.qos.drivers import base as qos_driver_base
from neutron.services.qos.drivers import manager as driver_mgr
from neutron.services.qos import qos_consts
from neutron.tests.unit.services.qos import base
class TestQosDriversManagerBase(base.BaseQosTestCase):
def setUp(self):
super(TestQosDriversManagerBase, self).setUp()
self.config_parse()
self.setup_coreplugin(load_plugins=False)
@staticmethod
def _create_manager_with_drivers(drivers_details):
for name, driver_details in drivers_details.items():
class QoSDriver(qos_driver_base.DriverBase):
@property
def is_loaded(self):
return driver_details['is_loaded']
# the new ad-hoc driver will register on the QOS_PLUGIN registry
QoSDriver(name,
driver_details.get('vif_types', []),
driver_details.get('vnic_types', []),
driver_details.get('rules', []))
return driver_mgr.QosServiceDriverManager()
class TestQosDriversManagerMulti(TestQosDriversManagerBase):
"""Test calls happen to all drivers"""
def test_driver_manager_empty_with_no_drivers(self):
driver_manager = self._create_manager_with_drivers({})
self.assertEqual(len(driver_manager._drivers), 0)
def test_driver_manager_empty_with_no_loaded_drivers(self):
driver_manager = self._create_manager_with_drivers(
{'driver-A': {'is_loaded': False}})
self.assertEqual(len(driver_manager._drivers), 0)
def test_driver_manager_with_one_loaded_driver(self):
driver_manager = self._create_manager_with_drivers(
{'driver-A': {'is_loaded': True}})
self.assertEqual(len(driver_manager._drivers), 1)
def test_driver_manager_with_two_loaded_drivers(self):
driver_manager = self._create_manager_with_drivers(
{'driver-A': {'is_loaded': True},
'driver-B': {'is_loaded': True}})
self.assertEqual(len(driver_manager._drivers), 2)
class TestQoSDriversRulesValidations(TestQosDriversManagerBase):
"""Test validation of rules for port"""
def setUp(self):
super(TestQoSDriversRulesValidations, self).setUp()
self.ctxt = context.Context('fake_user', 'fake_tenant')
def _get_port(self, vif_type, vnic_type):
port_id = uuidutils.generate_uuid()
port_binding = ports_object.PortBinding(
self.ctxt, port_id=port_id, vif_type=vif_type, vnic_type=vnic_type)
return ports_object.Port(
self.ctxt, id=uuidutils.generate_uuid(), binding=port_binding)
def _test_validate_rule_for_port(self, port, expected_result):
driver_manager = self._create_manager_with_drivers({
'driver-A': {
'is_loaded': True,
'rules': {
qos_consts.RULE_TYPE_MINIMUM_BANDWIDTH: {
"min_kbps": {'type:values': None},
'direction': {
'type:values': constants.VALID_DIRECTIONS}
}
},
'vif_types': [portbindings.VIF_TYPE_OVS],
'vnic_types': [portbindings.VNIC_NORMAL]
}
})
rule = rule_object.QosMinimumBandwidthRule(
self.ctxt, id=uuidutils.generate_uuid())
is_rule_supported_mock = mock.Mock()
if expected_result:
is_rule_supported_mock.return_value = expected_result
driver_manager._drivers[0].is_rule_supported = is_rule_supported_mock
self.assertEqual(expected_result,
driver_manager.validate_rule_for_port(rule, port))
if expected_result:
is_rule_supported_mock.assert_called_once_with(rule)
else:
is_rule_supported_mock.assert_not_called()
def test_validate_rule_for_port_rule_vif_type_supported(self):
port = self._get_port(
portbindings.VIF_TYPE_OVS, portbindings.VNIC_NORMAL)
self._test_validate_rule_for_port(
port, expected_result=True)
def test_validate_rule_for_port_vif_type_not_supported(self):
port = self._get_port(
portbindings.VIF_TYPE_OTHER, portbindings.VNIC_NORMAL)
self._test_validate_rule_for_port(
port, expected_result=False)
def test_validate_rule_for_port_unbound_vnic_type_supported(self):
port = self._get_port(
portbindings.VIF_TYPE_UNBOUND, portbindings.VNIC_NORMAL)
self._test_validate_rule_for_port(
port, expected_result=True)
def test_validate_rule_for_port_unbound_vnic_type_not_supported(self):
port = self._get_port(
portbindings.VIF_TYPE_UNBOUND, portbindings.VNIC_BAREMETAL)
self._test_validate_rule_for_port(
port, expected_result=False)
class TestQosDriversManagerRules(TestQosDriversManagerBase):
"""Test supported rules"""
def test_available_rules_one_in_common(self):
driver_manager = self._create_manager_with_drivers({
'driver-A': {
'is_loaded': True,
'rules': {
qos_consts.RULE_TYPE_BANDWIDTH_LIMIT: {
"max_kbps": {'type:values': None},
"max_burst_kbps": {'type:values': None}
},
qos_consts.RULE_TYPE_MINIMUM_BANDWIDTH: {
"min_kbps": {'type:values': None},
'direction': {
'type:values': constants.VALID_DIRECTIONS}
}
}
},
'driver-B': {
'is_loaded': True,
'rules': {
qos_consts.RULE_TYPE_MINIMUM_BANDWIDTH: {
"min_kbps": {'type:values': None},
'direction': {
'type:values': constants.VALID_DIRECTIONS}
},
qos_consts.RULE_TYPE_DSCP_MARKING: {
"dscp_mark": {
'type:values': constants.VALID_DSCP_MARKS}
}
}
}
})
self.assertEqual(driver_manager.supported_rule_types,
set([qos_consts.RULE_TYPE_MINIMUM_BANDWIDTH]))
def test_available_rules_no_rule_in_common(self):
driver_manager = self._create_manager_with_drivers({
'driver-A': {
'is_loaded': True,
'rules': {
qos_consts.RULE_TYPE_BANDWIDTH_LIMIT: {
"max_kbps": {'type:values': None},
"max_burst_kbps": {'type:values': None}
}
}
},
'driver-B': {
'is_loaded': True,
'rules': {
qos_consts.RULE_TYPE_MINIMUM_BANDWIDTH: {
"min_kbps": {'type:values': None},
'direction': {
'type:values': constants.VALID_DIRECTIONS}
},
qos_consts.RULE_TYPE_DSCP_MARKING: {
"dscp_mark": {
'type:values': constants.VALID_DSCP_MARKS}
}
}
}
})
self.assertEqual(driver_manager.supported_rule_types, set([]))