293 lines
14 KiB
Python
293 lines
14 KiB
Python
# Copyright 2016 VMware, Inc.
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# All Rights Reserved
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#
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# 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 mock
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from neutron_lib import context
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from oslo_config import cfg
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from oslo_utils import uuidutils
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from neutron.common import exceptions
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from neutron.objects import base as base_object
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from neutron.objects.qos import policy as policy_object
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from neutron.objects.qos import rule as rule_object
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from neutron.services.qos import qos_plugin
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from neutron.tests.unit.services.qos import base
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from vmware_nsx.db import db as nsx_db
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from vmware_nsx.plugins.nsx_v3 import utils as v3_utils
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from vmware_nsx.services.qos.nsx_v3 import driver as qos_driver
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from vmware_nsx.services.qos.nsx_v3 import utils as qos_utils
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from vmware_nsx.tests.unit.nsx_v3 import test_plugin
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PLUGIN_NAME = 'vmware_nsx.plugins.nsx_v3.plugin.NsxV3Plugin'
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class TestQosNsxV3Notification(base.BaseQosTestCase,
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test_plugin.NsxV3PluginTestCaseMixin):
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def setUp(self):
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# Reset the drive to re-create it
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qos_driver.DRIVER = None
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super(TestQosNsxV3Notification, self).setUp()
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self.setup_coreplugin(PLUGIN_NAME)
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self.qos_plugin = qos_plugin.QoSPlugin()
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self.ctxt = context.Context('fake_user', 'fake_tenant')
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mock.patch.object(self.ctxt.session, 'refresh').start()
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mock.patch.object(self.ctxt.session, 'expunge').start()
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self.policy_data = {
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'policy': {'id': uuidutils.generate_uuid(),
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'project_id': uuidutils.generate_uuid(),
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'name': 'test-policy',
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'description': 'Test policy description',
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'shared': True}}
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self.rule_data = {
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'bandwidth_limit_rule': {'id': uuidutils.generate_uuid(),
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'max_kbps': 2000,
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'max_burst_kbps': 150}}
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self.dscp_rule_data = {
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'dscp_marking_rule': {'id': uuidutils.generate_uuid(),
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'dscp_mark': 22}}
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self.policy = policy_object.QosPolicy(
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self.ctxt, **self.policy_data['policy'])
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self.rule = rule_object.QosBandwidthLimitRule(
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self.ctxt, **self.rule_data['bandwidth_limit_rule'])
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self.dscp_rule = rule_object.QosDscpMarkingRule(
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self.ctxt, **self.dscp_rule_data['dscp_marking_rule'])
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self.fake_profile_id = 'fake_profile'
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self.fake_profile = {'id': self.fake_profile_id}
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mock.patch('neutron.objects.db.api.create_object').start()
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mock.patch('neutron.objects.db.api.update_object').start()
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mock.patch('neutron.objects.db.api.delete_object').start()
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mock.patch.object(nsx_db, 'get_switch_profile_by_qos_policy',
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return_value=self.fake_profile_id).start()
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self.peak_bw_multiplier = cfg.CONF.NSX.qos_peak_bw_multiplier
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self.nsxlib = v3_utils.get_nsxlib_wrapper()
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@mock.patch(
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'neutron.objects.rbac_db.RbacNeutronDbObjectMixin'
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'.create_rbac_policy')
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@mock.patch.object(nsx_db, 'add_qos_policy_profile_mapping')
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def test_policy_create_profile(self, fake_db_add, fake_rbac_create):
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# test the switch profile creation when a QoS policy is created
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with mock.patch(
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'vmware_nsxlib.v3.core_resources.NsxLibQosSwitchingProfile.create',
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return_value=self.fake_profile
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) as create_profile:
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with mock.patch('neutron.objects.qos.policy.QosPolicy.get_object',
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return_value=self.policy):
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with mock.patch('neutron.objects.qos.policy.QosPolicy.create'):
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policy = self.qos_plugin.create_policy(self.ctxt,
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self.policy_data)
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expected_tags = self.nsxlib.build_v3_tags_payload(
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policy,
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resource_type='os-neutron-qos-id',
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project_name=self.ctxt.tenant_name)
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create_profile.assert_called_once_with(
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description=self.policy_data["policy"]["description"],
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name=self.policy_data["policy"]["name"],
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tags=expected_tags)
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# verify that the policy->profile mapping entry was added
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self.assertTrue(fake_db_add.called)
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@mock.patch(
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'neutron.objects.rbac_db.RbacNeutronDbObjectMixin'
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'.create_rbac_policy')
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def __test_policy_update_profile(self, *mocks):
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# test the switch profile update when a QoS policy is updated
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fields = base_object.get_updatable_fields(
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policy_object.QosPolicy, self.policy_data['policy'])
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with mock.patch(
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'vmware_nsxlib.v3.core_resources.NsxLibQosSwitchingProfile.update'
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) as update_profile:
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with mock.patch('neutron.objects.qos.policy.QosPolicy.get_object',
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return_value=self.policy):
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with mock.patch('neutron.objects.qos.policy.QosPolicy.update'):
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self.qos_plugin.update_policy(
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self.ctxt, self.policy.id, {'policy': fields})
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# verify that the profile was updated with the correct data
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self.policy_data["policy"]["id"] = self.policy.id
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expected_tags = self.nsxlib.build_v3_tags_payload(
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self.policy_data["policy"],
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resource_type='os-neutron-qos-id',
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project_name=self.ctxt.tenant_name)
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update_profile.assert_called_once_with(
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self.fake_profile_id,
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description=self.policy_data["policy"]["description"],
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name=self.policy_data["policy"]["name"],
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tags=expected_tags
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)
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@mock.patch.object(policy_object.QosPolicy, '_reload_rules')
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def test_bw_rule_create_profile(self, *mocks):
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# test the switch profile update when a QoS BW rule is created
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_policy = policy_object.QosPolicy(
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self.ctxt, **self.policy_data['policy'])
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# add a rule to the policy
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setattr(_policy, "rules", [self.rule])
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with mock.patch('neutron.objects.qos.policy.QosPolicy.get_object',
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return_value=_policy):
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with mock.patch(
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'vmware_nsxlib.v3.core_resources.NsxLibQosSwitchingProfile.'
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'update_shaping'
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) as update_profile:
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with mock.patch('neutron.objects.db.api.update_object',
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return_value=self.rule_data):
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self.qos_plugin.update_policy_bandwidth_limit_rule(
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self.ctxt, self.rule.id, _policy.id, self.rule_data)
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# validate the data on the profile
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rule_dict = self.rule_data['bandwidth_limit_rule']
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expected_bw = int(round(float(
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rule_dict['max_kbps']) / 1024))
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expected_burst = rule_dict['max_burst_kbps'] * 128
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expected_peak = int(expected_bw * self.peak_bw_multiplier)
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update_profile.assert_called_once_with(
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self.fake_profile_id,
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average_bandwidth=expected_bw,
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burst_size=expected_burst,
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peak_bandwidth=expected_peak,
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shaping_enabled=True,
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qos_marking='trusted',
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dscp=0
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)
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@mock.patch.object(policy_object.QosPolicy, '_reload_rules')
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def test_bw_rule_create_profile_minimal_val(self, *mocks):
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# test driver precommit with an invalid limit value
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bad_limit = qos_utils.MAX_KBPS_MIN_VALUE - 1
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rule_data = {
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'bandwidth_limit_rule': {'id': uuidutils.generate_uuid(),
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'max_kbps': bad_limit,
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'max_burst_kbps': 150}}
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rule = rule_object.QosBandwidthLimitRule(
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self.ctxt, **rule_data['bandwidth_limit_rule'])
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_policy = policy_object.QosPolicy(
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self.ctxt, **self.policy_data['policy'])
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# add a rule to the policy
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setattr(_policy, "rules", [rule])
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with mock.patch('neutron.objects.qos.policy.QosPolicy.get_object',
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return_value=_policy),\
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mock.patch('neutron.objects.db.api.update_object',
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return_value=rule_data):
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self.assertRaises(
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exceptions.DriverCallError,
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self.qos_plugin.update_policy_bandwidth_limit_rule,
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self.ctxt, rule.id, _policy.id, rule_data)
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@mock.patch.object(policy_object.QosPolicy, '_reload_rules')
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def test_bw_rule_create_profile_maximal_val(self, *mocks):
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# test driver precommit with an invalid burst value
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bad_burst = qos_utils.MAX_BURST_MAX_VALUE + 1
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rule_data = {
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'bandwidth_limit_rule': {'id': uuidutils.generate_uuid(),
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'max_kbps': 1025,
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'max_burst_kbps': bad_burst}}
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rule = rule_object.QosBandwidthLimitRule(
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self.ctxt, **rule_data['bandwidth_limit_rule'])
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_policy = policy_object.QosPolicy(
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self.ctxt, **self.policy_data['policy'])
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# add a rule to the policy
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setattr(_policy, "rules", [rule])
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with mock.patch('neutron.objects.qos.policy.QosPolicy.get_object',
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return_value=_policy),\
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mock.patch('neutron.objects.db.api.update_object',
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return_value=rule_data):
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self.assertRaises(
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exceptions.DriverCallError,
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self.qos_plugin.update_policy_bandwidth_limit_rule,
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self.ctxt, rule.id, _policy.id, rule_data)
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@mock.patch.object(policy_object.QosPolicy, '_reload_rules')
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def test_dscp_rule_create_profile(self, *mocks):
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# test the switch profile update when a QoS DSCP rule is created
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_policy = policy_object.QosPolicy(
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self.ctxt, **self.policy_data['policy'])
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# add a rule to the policy
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setattr(_policy, "rules", [self.dscp_rule])
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with mock.patch('neutron.objects.qos.policy.QosPolicy.get_object',
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return_value=_policy):
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with mock.patch(
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'vmware_nsxlib.v3.core_resources.NsxLibQosSwitchingProfile.'
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'update_shaping'
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) as update_profile:
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with mock.patch('neutron.objects.db.api.'
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'update_object', return_value=self.dscp_rule_data):
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self.qos_plugin.update_policy_dscp_marking_rule(
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self.ctxt, self.dscp_rule.id,
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_policy.id, self.dscp_rule_data)
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# validate the data on the profile
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rule_dict = self.dscp_rule_data['dscp_marking_rule']
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dscp_mark = rule_dict['dscp_mark']
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update_profile.assert_called_once_with(
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self.fake_profile_id,
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average_bandwidth=None,
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burst_size=None,
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peak_bandwidth=None,
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shaping_enabled=False,
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qos_marking='untrusted',
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dscp=dscp_mark
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)
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def test_rule_delete_profile(self):
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# test the switch profile update when a QoS rule is deleted
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_policy = policy_object.QosPolicy(
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self.ctxt, **self.policy_data['policy'])
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# The mock will return the policy without the rule,
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# as if it was deleted
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with mock.patch('neutron.objects.qos.policy.QosPolicy.get_object',
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return_value=_policy):
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with mock.patch(
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'vmware_nsxlib.v3.core_resources.NsxLibQosSwitchingProfile.'
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'update_shaping'
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) as update_profile:
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setattr(_policy, "rules", [self.rule])
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self.qos_plugin.delete_policy_bandwidth_limit_rule(
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self.ctxt, self.rule.id, self.policy.id)
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# validate the data on the profile
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update_profile.assert_called_once_with(
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self.fake_profile_id,
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shaping_enabled=False,
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average_bandwidth=None,
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burst_size=None,
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dscp=0,
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peak_bandwidth=None,
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qos_marking='trusted'
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)
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@mock.patch('neutron.objects.db.api.get_object', return_value=None)
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def test_policy_delete_profile(self, *mocks):
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# test the switch profile deletion when a QoS policy is deleted
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with mock.patch(
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'vmware_nsxlib.v3.core_resources.NsxLibQosSwitchingProfile.'
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'delete',
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return_value=self.fake_profile
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) as delete_profile:
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self.qos_plugin.delete_policy(self.ctxt, self.policy.id)
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delete_profile.assert_called_once_with(self.fake_profile_id)
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