neutron/neutron/objects/qos/rule_type.py

69 lines
2.4 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.
from neutron.plugins.common import constants
from neutron_lib.plugins import directory
from oslo_log import log as logging
from oslo_versionedobjects import base as obj_base
from oslo_versionedobjects import fields as obj_fields
from neutron._i18n import _LW
from neutron.objects import base
from neutron.services.qos import qos_consts
LOG = logging.getLogger(__name__)
class RuleTypeField(obj_fields.BaseEnumField):
def __init__(self, **kwargs):
self.AUTO_TYPE = obj_fields.Enum(
valid_values=qos_consts.VALID_RULE_TYPES)
super(RuleTypeField, self).__init__(**kwargs)
@obj_base.VersionedObjectRegistry.register
class QosRuleType(base.NeutronObject):
# Version 1.0: Initial version
# Version 1.1: Added QosDscpMarkingRule
# Version 1.2: Added QosMinimumBandwidthRule
VERSION = '1.2'
fields = {
'type': RuleTypeField(),
}
# we don't receive context because we don't need db access at all
@classmethod
def get_objects(cls, validate_filters=True, **kwargs):
if validate_filters:
cls.validate_filters(**kwargs)
#TODO(mangelajo): remove in backwards compatible available rule
# inspection in Pike
core_plugin_supported_rules = getattr(
directory.get_plugin(), 'supported_qos_rule_types', None)
rule_types = (
core_plugin_supported_rules or
directory.get_plugin(alias=constants.QOS).supported_rule_types)
if core_plugin_supported_rules:
LOG.warning(_LW(
"Your core plugin defines supported_qos_rule_types which is "
"deprecated and shall be implemented through a QoS driver."
))
# TODO(ihrachys): apply filters to returned result
return [cls(type=type_) for type_ in rule_types]