481 lines
21 KiB
Python
481 lines
21 KiB
Python
# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import copy
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from unittest import mock
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from neutron_lib import constants
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from neutron_lib import context
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from neutron_lib.services.qos import constants as qos_consts
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from oslo_utils import uuidutils
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from neutron.objects.qos import policy
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from neutron.objects.qos import rule
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from neutron.plugins.ml2.common import constants as comm_consts
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from neutron.plugins.ml2.drivers.openvswitch.agent import (
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ovs_agent_extension_api as ovs_ext_api)
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from neutron.plugins.ml2.drivers.openvswitch.agent.extension_drivers import (
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qos_driver)
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from neutron.plugins.ml2.drivers.openvswitch.agent.openflow.native import (
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ovs_bridge)
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from neutron.tests.unit.plugins.ml2.drivers.openvswitch.agent import (
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ovs_test_base)
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class QosOVSAgentDriverTestCase(ovs_test_base.OVSAgentConfigTestBase):
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def setUp(self):
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super(QosOVSAgentDriverTestCase, self).setUp()
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conn_patcher = mock.patch(
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'neutron.agent.ovsdb.impl_idl._connection')
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conn_patcher.start()
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self.addCleanup(conn_patcher.stop)
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self.context = context.get_admin_context()
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self.qos_driver = qos_driver.QosOVSAgentDriver()
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self.mock_clear_minimum_bandwidth_qos = mock.patch.object(
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self.qos_driver, '_qos_bandwidth_initialize').start()
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os_ken_app = mock.Mock()
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self.agent_api = ovs_ext_api.OVSAgentExtensionAPI(
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ovs_bridge.OVSAgentBridge(
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'br-int', os_ken_app=os_ken_app),
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ovs_bridge.OVSAgentBridge(
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'br-tun', os_ken_app=os_ken_app),
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{'phys1': ovs_bridge.OVSAgentBridge(
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'br-phys1', os_ken_app=os_ken_app)})
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self.qos_driver.consume_api(self.agent_api)
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mock.patch.object(
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qos_driver.MeterRuleManager, '_init_max_meter_id').start()
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self.qos_driver.initialize()
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self.qos_driver.br_int = mock.Mock()
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self.qos_driver.br_int.get_dp = mock.Mock(return_value=(mock.Mock(),
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mock.Mock(),
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mock.Mock()))
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self.qos_driver.meter_cache.br_int = self.qos_driver.br_int
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self.qos_driver.meter_cache.max_meter = 65535
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self.qos_driver.br_int.list_meter_features = mock.Mock(
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return_value=[{"max_meter": 65535,
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"band_types": 2,
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"capabilities": 15,
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"max_bands": 8}])
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self.qos_driver.br_int.get_egress_bw_limit_for_port = mock.Mock(
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return_value=(1000, 10))
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self.get_egress = self.qos_driver.br_int.get_egress_bw_limit_for_port
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self.qos_driver.br_int.del_egress_bw_limit_for_port = mock.Mock()
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self.delete_egress = (
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self.qos_driver.br_int.delete_egress_bw_limit_for_port)
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self.delete_ingress = (
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self.qos_driver.br_int.delete_ingress_bw_limit_for_port)
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self.create_egress = (
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self.qos_driver.br_int.create_egress_bw_limit_for_port)
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self.update_ingress = (
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self.qos_driver.br_int.update_ingress_bw_limit_for_port)
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self.apply_meter_to_port = (
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self.qos_driver.br_int.apply_meter_to_port)
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self.remove_meter_from_port = (
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self.qos_driver.br_int.remove_meter_from_port)
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self.delete_meter = (
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self.qos_driver.br_int.delete_meter)
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self.create_meter = (
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self.qos_driver.br_int.create_meter)
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self.update_meter = (
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self.qos_driver.br_int.update_meter)
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self.rules = [
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self._create_bw_limit_rule_obj(constants.EGRESS_DIRECTION),
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self._create_bw_limit_rule_obj(constants.INGRESS_DIRECTION),
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self._create_pps_limit_rule_obj(constants.EGRESS_DIRECTION),
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self._create_pps_limit_rule_obj(constants.INGRESS_DIRECTION),
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self._create_dscp_marking_rule_obj()]
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self.qos_policy = self._create_qos_policy_obj(self.rules)
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self.port = self._create_fake_port(self.qos_policy.id)
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self.qos_driver.br_int.get_port_tag_by_name = mock.Mock(
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return_value=1)
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self.addCleanup(self._reset_meter_id_generator_singleton)
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@staticmethod
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def _reset_meter_id_generator_singleton():
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if hasattr(qos_driver.MeterIDGenerator, '_instance'):
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del(qos_driver.MeterIDGenerator._instance)
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def _create_bw_limit_rule_obj(self, direction):
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rule_obj = rule.QosBandwidthLimitRule()
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rule_obj.id = uuidutils.generate_uuid()
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rule_obj.max_kbps = 2
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rule_obj.max_burst_kbps = 200
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rule_obj.direction = direction
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rule_obj.obj_reset_changes()
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return rule_obj
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def _create_dscp_marking_rule_obj(self):
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rule_obj = rule.QosDscpMarkingRule()
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rule_obj.id = uuidutils.generate_uuid()
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rule_obj.dscp_mark = 32
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rule_obj.obj_reset_changes()
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return rule_obj
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def _create_pps_limit_rule_obj(self, direction):
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rule_obj = rule.QosPacketRateLimitRule()
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rule_obj.id = uuidutils.generate_uuid()
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rule_obj.max_kpps = 2000
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rule_obj.max_burst_kpps = 200
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rule_obj.direction = direction
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rule_obj.obj_reset_changes()
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return rule_obj
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def _create_qos_policy_obj(self, rules):
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policy_dict = {'id': uuidutils.generate_uuid(),
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'project_id': uuidutils.generate_uuid(),
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'name': 'test',
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'description': 'test',
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'shared': False,
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'rules': rules}
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policy_obj = policy.QosPolicy(self.context, **policy_dict)
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policy_obj.obj_reset_changes()
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for policy_rule in policy_obj.rules:
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policy_rule.qos_policy_id = policy_obj.id
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policy_rule.obj_reset_changes()
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return policy_obj
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def _create_fake_port(self, policy_id):
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self.port_name = 'fakeport'
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port_id = uuidutils.generate_uuid()
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class FakeVifPort(object):
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port_name = self.port_name
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ofport = 111
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vif_id = port_id
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vif_mac = "aa:bb:cc:dd:ee:ff"
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return {'vif_port': FakeVifPort(),
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'qos_policy_id': policy_id,
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'qos_network_policy_id': None,
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'port_id': port_id,
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'device_owner': uuidutils.generate_uuid()}
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def test_create_new_rules(self):
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self.qos_driver.br_int.get_value_from_other_config = mock.Mock()
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self.qos_driver.br_int.set_value_to_other_config = mock.Mock()
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self.qos_driver.br_int.get_egress_bw_limit_for_port = mock.Mock(
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return_value=(None, None))
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self.qos_driver.create(self.port, self.qos_policy)
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self.assertEqual(0, self.delete_egress.call_count)
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self.assertEqual(0, self.delete_ingress.call_count)
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self.create_egress.assert_called_once_with(
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self.port_name, self.rules[0].max_kbps,
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self.rules[0].max_burst_kbps)
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self.update_ingress.assert_called_once_with(
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self.port_name, self.rules[1].max_kbps,
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self.rules[1].max_burst_kbps)
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self._assert_dscp_rule_create_updated()
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self.create_meter.assert_has_calls(
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[mock.call(mock.ANY, self.rules[2].max_kpps * 1000,
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burst=self.rules[2].max_burst_kpps * 1000),
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mock.call(mock.ANY, self.rules[3].max_kpps * 1000,
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burst=self.rules[3].max_burst_kpps * 1000)])
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self.apply_meter_to_port.assert_has_calls(
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[mock.call(mock.ANY, constants.EGRESS_DIRECTION,
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"aa:bb:cc:dd:ee:ff",
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in_port=111),
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mock.call(mock.ANY, constants.INGRESS_DIRECTION,
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"aa:bb:cc:dd:ee:ff",
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local_vlan=1)])
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def test_create_existing_rules(self):
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self.qos_driver.create(self.port, self.qos_policy)
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self._assert_rules_create_updated()
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self._assert_dscp_rule_create_updated()
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def test_update_rules(self):
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self.qos_driver.update(self.port, self.qos_policy)
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self._assert_rules_create_updated()
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self._assert_dscp_rule_create_updated()
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def test_update_rules_no_vif_port(self):
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port = copy.copy(self.port)
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port.pop("vif_port")
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self.qos_driver.update(port, self.qos_policy)
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self.create_egress.assert_not_called()
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self.update_ingress.assert_not_called()
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self.create_meter.assert_not_called()
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self.apply_meter_to_port.assert_not_called()
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def _test_delete_rules(self, qos_policy):
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self.qos_driver.create(self.port, qos_policy)
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self.qos_driver.delete(self.port, qos_policy)
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self.delete_egress.assert_called_once_with(self.port_name)
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self.delete_ingress.assert_called_once_with(self.port_name)
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self.assertEqual(2, self.delete_meter.call_count)
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self.remove_meter_from_port.assert_has_calls(
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[mock.call(constants.EGRESS_DIRECTION,
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"aa:bb:cc:dd:ee:ff",
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in_port=111),
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mock.call(constants.INGRESS_DIRECTION,
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"aa:bb:cc:dd:ee:ff",
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local_vlan=1)])
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def _test_delete_rules_no_policy(self):
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self.qos_driver.delete(self.port)
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self.delete_egress.assert_called_once_with(self.port_name)
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self.delete_ingress.assert_called_once_with(self.port_name)
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def test_delete_rules(self):
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self._test_delete_rules(self.qos_policy)
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def test_delete_rules_no_policy(self):
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self._test_delete_rules_no_policy()
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def test_delete_rules_no_vif_port(self):
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port = copy.copy(self.port)
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port.pop("vif_port")
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self.qos_driver.delete(port, self.qos_policy)
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self.delete_egress.assert_not_called()
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self.delete_ingress.assert_not_called()
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self.delete_meter.assert_not_called()
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self.delete_meter.assert_not_called()
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self.remove_meter_from_port.assert_not_called()
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def test_meter_manager_allocate_meter_id(self):
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meter_cache_pps = qos_driver.MeterRuleManager(mock.Mock())
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meter_cache_pps.generator.max_meter = 10000
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meter_cache_bps = qos_driver.MeterRuleManager(
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mock.Mock(), type_=comm_consts.METER_FLAG_BPS)
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meter_cache_bps.generator.max_meter = 10000
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meter_cache_pps.allocate_meter_id("1", "ingress")
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meter_cache_pps.allocate_meter_id("1", "egress")
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meter_cache_bps.allocate_meter_id("1", "ingress")
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meter_cache_bps.allocate_meter_id("1", "egress")
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meter_cache_pps.allocate_meter_id("2", "ingress")
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meter_cache_pps.allocate_meter_id("2", "egress")
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meter_cache_bps.allocate_meter_id("2", "ingress")
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meter_cache_bps.allocate_meter_id("2", "egress")
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self.assertEqual(
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meter_cache_pps.generator.PORT_METER_ID,
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meter_cache_bps.generator.PORT_METER_ID)
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pps_keys = meter_cache_pps.generator.PORT_METER_ID.keys()
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bps_keys = meter_cache_bps.generator.PORT_METER_ID.keys()
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self.assertEqual(
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2, len([k for k in pps_keys if k.startswith('pps_1')]))
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self.assertEqual(
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2, len([k for k in bps_keys if k.startswith('bps_1')]))
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self.assertEqual(
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2, len([k for k in pps_keys if k.startswith('pps_2')]))
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self.assertEqual(
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2, len([k for k in bps_keys if k.startswith('bps_2')]))
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self.assertEqual(
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meter_cache_pps.generator.PORT_METER_ID.keys(),
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meter_cache_bps.generator.PORT_METER_ID.keys())
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pps_values = list(meter_cache_pps.generator.PORT_METER_ID.values())
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bps_values = list(meter_cache_bps.generator.PORT_METER_ID.values())
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self.assertEqual(pps_values, bps_values)
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except_keys = ["pps_1_ingress", "pps_1_egress",
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"bps_1_ingress", "bps_1_egress",
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"pps_2_ingress", "pps_2_egress",
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"bps_2_ingress", "bps_2_egress"]
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except_values = []
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for key in except_keys:
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value = meter_cache_bps.generator.PORT_METER_ID.get(key)
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if value:
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except_values.append(value)
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self.assertEqual(8, len(set(except_values)))
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def test_meter_manager_remove_port_meter_id(self):
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meter_cache_pps = qos_driver.MeterRuleManager(mock.Mock())
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meter_cache_pps.generator.max_meter = 10000
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meter_cache_bps = qos_driver.MeterRuleManager(
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mock.Mock(), type_=comm_consts.METER_FLAG_BPS)
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meter_cache_bps.generator.max_meter = 10000
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meter_cache_pps.allocate_meter_id("1", "ingress")
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meter_cache_pps.allocate_meter_id("1", "egress")
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meter_cache_bps.allocate_meter_id("1", "ingress")
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meter_cache_bps.allocate_meter_id("1", "egress")
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meter_cache_pps.allocate_meter_id("2", "ingress")
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meter_cache_pps.allocate_meter_id("2", "egress")
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meter_cache_bps.allocate_meter_id("2", "ingress")
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meter_cache_bps.allocate_meter_id("2", "egress")
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self.assertEqual(
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meter_cache_pps.generator.PORT_METER_ID,
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meter_cache_bps.generator.PORT_METER_ID)
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meter_cache_bps.remove_port_meter_id("2", "ingress")
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meter_cache_pps.remove_port_meter_id("1", "egress")
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self.assertNotIn(
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"pps_1_egress", meter_cache_pps.generator.PORT_METER_ID.keys())
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self.assertNotIn(
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"bps_2_ingress", meter_cache_pps.generator.PORT_METER_ID.keys())
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pps_values = list(meter_cache_pps.generator.PORT_METER_ID.values())
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bps_values = list(meter_cache_bps.generator.PORT_METER_ID.values())
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self.assertEqual(pps_values, bps_values)
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except_keys = ["pps_1_ingress",
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"bps_1_ingress", "bps_1_egress",
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"pps_2_ingress", "pps_2_egress",
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"bps_2_egress"]
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except_values = []
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for key in except_keys:
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value = meter_cache_bps.generator.PORT_METER_ID.get(key)
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if value:
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except_values.append(value)
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self.assertEqual(6, len(set(except_values)))
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def _assert_rules_create_updated(self):
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self.create_egress.assert_called_once_with(
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self.port_name, self.rules[0].max_kbps,
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self.rules[0].max_burst_kbps)
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self.update_ingress.assert_called_once_with(
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self.port_name, self.rules[1].max_kbps,
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self.rules[1].max_burst_kbps)
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self.create_meter.assert_has_calls(
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[mock.call(mock.ANY, self.rules[2].max_kpps * 1000,
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burst=self.rules[2].max_burst_kpps * 1000),
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mock.call(mock.ANY, self.rules[3].max_kpps * 1000,
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burst=self.rules[3].max_burst_kpps * 1000)])
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self.apply_meter_to_port.assert_has_calls(
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[mock.call(mock.ANY, constants.EGRESS_DIRECTION,
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"aa:bb:cc:dd:ee:ff",
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in_port=111),
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mock.call(mock.ANY, constants.INGRESS_DIRECTION,
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"aa:bb:cc:dd:ee:ff",
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local_vlan=1)])
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def _assert_dscp_rule_create_updated(self):
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# Assert install_instructions is the last call
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self.assertEqual(
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'install_dscp_marking_rule',
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self.qos_driver.br_int.method_calls[-1][0])
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self.qos_driver.br_int.install_dscp_marking_rule.\
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assert_called_once_with(dscp_mark=mock.ANY, port=mock.ANY)
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def test_create_minimum_bandwidth(self):
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with mock.patch.object(self.qos_driver, 'update_minimum_bandwidth') \
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as mock_update_minimum_bandwidth:
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self.qos_driver.create_minimum_bandwidth('port_name', 'rule')
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mock_update_minimum_bandwidth.assert_called_once_with('port_name',
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'rule')
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def test_delete_minimum_bandwidth(self):
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with mock.patch.object(self.qos_driver.br_int,
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'delete_minimum_bandwidth_queue') \
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as mock_delete_minimum_bandwidth_queue:
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self.qos_driver.ports['p_id'] = {}
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self.qos_driver.delete_minimum_bandwidth({'port_id': 'p_id'})
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mock_delete_minimum_bandwidth_queue.assert_not_called()
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mock_delete_minimum_bandwidth_queue.reset_mock()
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self.qos_driver.ports['p_id'] = {
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(qos_consts.RULE_TYPE_MINIMUM_BANDWIDTH,
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constants.EGRESS_DIRECTION): 'rule_port'}
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self.qos_driver.delete_minimum_bandwidth({'port_id': 'p_id'})
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mock_delete_minimum_bandwidth_queue.assert_called_once_with('p_id')
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@mock.patch.object(qos_driver, 'LOG')
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def test_update_minimum_bandwidth_no_vif_port(self, mock_log):
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with mock.patch.object(self.qos_driver.br_int,
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'update_minimum_bandwidth_queue') \
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as mock_delete_minimum_bandwidth_queue:
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self.qos_driver.update_minimum_bandwidth(
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{'port_id': 'portid'}, mock.ANY)
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mock_delete_minimum_bandwidth_queue.assert_not_called()
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mock_log.debug.assert_called_once_with(
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'update_minimum_bandwidth was received for port %s but '
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'vif_port was not found. It seems that port is already '
|
|
'deleted', 'portid')
|
|
|
|
@mock.patch.object(qos_driver, 'LOG')
|
|
def test_update_minimum_bandwidth_no_physical_network(self, mock_log):
|
|
with mock.patch.object(self.qos_driver.br_int,
|
|
'update_minimum_bandwidth_queue') \
|
|
as mock_delete_minimum_bandwidth_queue:
|
|
port = {'vif_port': mock.ANY, 'port_id': 'portid',
|
|
'physical_network': None}
|
|
self.qos_driver.update_minimum_bandwidth(port, mock.ANY)
|
|
mock_delete_minimum_bandwidth_queue.assert_not_called()
|
|
mock_log.debug.assert_called_once_with(
|
|
'update_minimum_bandwidth was received for port %s but '
|
|
'has no physical network associated', 'portid')
|
|
|
|
def test_update_minimum_bandwidth_no_phy_brs(self):
|
|
vif_port = mock.Mock()
|
|
vif_port.ofport = 'ofport'
|
|
rule = mock.Mock()
|
|
rule.min_kbps = 1500
|
|
port = {'port_id': 'port_id', 'vif_port': vif_port,
|
|
'physical_network': mock.ANY}
|
|
with mock.patch.object(self.qos_driver.br_int,
|
|
'update_minimum_bandwidth_queue') \
|
|
as mock_delete_minimum_bandwidth_queue, \
|
|
mock.patch.object(self.qos_driver.agent_api,
|
|
'request_phy_brs'):
|
|
self.qos_driver.update_minimum_bandwidth(port, rule)
|
|
mock_delete_minimum_bandwidth_queue.assert_called_once_with(
|
|
'port_id', [], 'ofport', 1500)
|
|
|
|
def test_update_minimum_bandwidth(self):
|
|
vif_port = mock.Mock()
|
|
vif_port.ofport = 'ofport'
|
|
rule = mock.Mock()
|
|
rule.min_kbps = 1500
|
|
port = {'port_id': 'port_id', 'vif_port': vif_port,
|
|
'physical_network': mock.ANY}
|
|
with mock.patch.object(self.qos_driver.br_int,
|
|
'update_minimum_bandwidth_queue') \
|
|
as mock_delete_minimum_bandwidth_queue, \
|
|
mock.patch.object(self.qos_driver.agent_api,
|
|
'request_phy_brs') as mock_request_phy_brs:
|
|
phy_br = mock.Mock()
|
|
phy_br.get_bridge_ports.return_value = ['port1', 'port2']
|
|
mock_request_phy_brs.return_value = [phy_br]
|
|
self.qos_driver.update_minimum_bandwidth(port, rule)
|
|
mock_delete_minimum_bandwidth_queue.assert_called_once_with(
|
|
'port_id', ['port1', 'port2'], 'ofport', 1500)
|
|
|
|
# TODO(przszc): Update tests when dataplane enforcement is implemented for
|
|
# minimum packet rate rule
|
|
def test_create_minimum_packet_rate(self):
|
|
try:
|
|
port = {'port_id': 'p_id'}
|
|
rule = mock.MagicMock(id='rule_id')
|
|
self.qos_driver.create_minimum_packet_rate(port, rule)
|
|
except Exception:
|
|
self.fail('create_minimum_packet_rate failed')
|
|
|
|
def test_update_minimum_packet_rate(self):
|
|
try:
|
|
port = {'port_id': 'p_id'}
|
|
rule = mock.MagicMock(id='rule_id')
|
|
self.qos_driver.update_minimum_packet_rate(port, rule)
|
|
except Exception:
|
|
self.fail('update_minimum_packet_rate failed')
|
|
|
|
def test_delete_minimum_packet_rate(self):
|
|
try:
|
|
port = {'port_id': 'p_id'}
|
|
self.qos_driver.delete_minimum_packet_rate(port)
|
|
except Exception:
|
|
self.fail('delete_minimum_packet_rate failed')
|
|
|
|
def test_delete_minimum_packet_rate_ingress(self):
|
|
try:
|
|
port = {'port_id': 'p_id'}
|
|
self.qos_driver.delete_minimum_packet_rate_ingress(port)
|
|
except Exception:
|
|
self.fail('delete_minimum_packet_rate_ingress failed')
|