neutron/neutron/tests/functional/plugins/ml2/drivers/ovn/mech_driver/ovsdb/extensions/test_qos.py

115 lines
4.3 KiB
Python

# Copyright 2020 Red Hat, Inc.
#
# 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 import constants
from neutron_lib.services.qos import constants as qos_constants
from neutron.common.ovn import utils as ovn_utils
from neutron.plugins.ml2.drivers.ovn.mech_driver.ovsdb.extensions \
import qos as qos_extension
from neutron.tests.functional import base
QOS_RULE_BW_1 = {'max_kbps': 200, 'max_burst_kbps': 100}
QOS_RULE_BW_2 = {'max_kbps': 300}
QOS_RULE_DSCP_1 = {'dscp_mark': 16}
QOS_RULE_DSCP_2 = {'dscp_mark': 20}
QOS_RULES_1 = {
constants.EGRESS_DIRECTION: {
qos_constants.RULE_TYPE_BANDWIDTH_LIMIT: QOS_RULE_BW_1,
qos_constants.RULE_TYPE_DSCP_MARKING: QOS_RULE_DSCP_1},
constants.INGRESS_DIRECTION: {
qos_constants.RULE_TYPE_BANDWIDTH_LIMIT: QOS_RULE_BW_2}
}
QOS_RULES_2 = {
constants.EGRESS_DIRECTION: {
qos_constants.RULE_TYPE_BANDWIDTH_LIMIT: QOS_RULE_BW_2,
qos_constants.RULE_TYPE_DSCP_MARKING: QOS_RULE_DSCP_2}
}
QOS_RULES_3 = {
constants.INGRESS_DIRECTION: {
qos_constants.RULE_TYPE_BANDWIDTH_LIMIT: QOS_RULE_BW_1,
qos_constants.RULE_TYPE_DSCP_MARKING: QOS_RULE_DSCP_1}
}
class _OVNClient(object):
def __init__(self, nd_idl):
self._nb_idl = nd_idl
class TestOVNClientQosExtension(base.TestOVNFunctionalBase):
def setUp(self, maintenance_worker=False):
super(TestOVNClientQosExtension, self).setUp(
maintenance_worker=maintenance_worker)
self._add_logical_switch()
_ovn_client = _OVNClient(self.nb_api)
self.qos_driver = qos_extension.OVNClientQosExtension(_ovn_client)
def _add_logical_switch(self):
self.network_1 = 'network_1'
with self.nb_api.transaction(check_error=True) as txn:
txn.add(self.nb_api.ls_add(ovn_utils.ovn_name(self.network_1)))
def _check_rules(self, rules, port_id, network_id):
egress_ovn_rule = self.qos_driver._ovn_qos_rule(
constants.EGRESS_DIRECTION, rules.get(constants.EGRESS_DIRECTION),
port_id, network_id)
ingress_ovn_rule = self.qos_driver._ovn_qos_rule(
constants.INGRESS_DIRECTION,
rules.get(constants.INGRESS_DIRECTION), port_id, network_id)
with self.nb_api.transaction(check_error=True):
ls = self.qos_driver._driver._nb_idl.lookup(
'Logical_Switch', ovn_utils.ovn_name(self.network_1))
self.assertEqual(len(rules), len(ls.qos_rules))
for rule in ls.qos_rules:
ref_rule = (egress_ovn_rule if rule.direction == 'from-lport'
else ingress_ovn_rule)
action = {}
if 'dscp' in ref_rule:
action = {'dscp': ref_rule['dscp']}
bandwidth = {}
if 'rate' in ref_rule:
bandwidth['rate'] = ref_rule['rate']
if ref_rule.get('burst'):
bandwidth['burst'] = ref_rule['burst']
self.assertIn(port_id, rule.match)
self.assertEqual(action, rule.action)
self.assertEqual(bandwidth, rule.bandwidth)
def test__update_port_qos_rules(self):
port = 'port1'
def update_and_check(qos_rules):
with self.nb_api.transaction(check_error=True) as txn, \
mock.patch.object(self.qos_driver,
'_qos_rules') as mock_rules:
mock_rules.return_value = qos_rules
self.qos_driver._update_port_qos_rules(
txn, port, self.network_1, 'qos1', None)
self._check_rules(qos_rules, port, self.network_1)
update_and_check(QOS_RULES_1)
update_and_check(QOS_RULES_2)
update_and_check(QOS_RULES_3)
update_and_check({})