neutron/neutron/objects/qos/rule_type.py

95 lines
3.2 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_lib.objects import common_types
from neutron_lib.plugins import constants
from neutron_lib.plugins import directory
from oslo_versionedobjects import fields as obj_fields
from neutron.objects import base
from neutron.services.qos import constants as qos_constants
class RuleTypeField(obj_fields.BaseEnumField):
def __init__(self, **kwargs):
self.AUTO_TYPE = obj_fields.Enum(
valid_values=qos_constants.VALID_RULE_TYPES)
super(RuleTypeField, self).__init__(**kwargs)
@base.NeutronObjectRegistry.register
class QosRuleType(base.NeutronObject):
# Version 1.0: Initial version
# Version 1.1: Added QosDscpMarkingRule
# Version 1.2: Added QosMinimumBandwidthRule
# Version 1.3: Added drivers field
# Version 1.4: Added QosPacketRateLimitRule
VERSION = '1.4'
fields = {
'type': RuleTypeField(),
'drivers': obj_fields.ListOfObjectsField(
'QosRuleTypeDriver', nullable=True)
}
synthetic_fields = ['drivers']
# we don't receive context because we don't need db access at all
@classmethod
def get_object(cls, rule_type_name, **kwargs):
plugin = directory.get_plugin(alias=constants.QOS)
drivers = plugin.supported_rule_type_details(rule_type_name)
drivers_obj = [QosRuleTypeDriver(
name=driver['name'],
supported_parameters=driver['supported_parameters'])
for driver in drivers]
return cls(type=rule_type_name, drivers=drivers_obj)
# 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)
rule_types = (
directory.get_plugin(alias=constants.QOS).supported_rule_types)
# TODO(ihrachys): apply filters to returned result
return [cls(type=type_) for type_ in rule_types]
# we don't receive context because we don't need db access at all
@classmethod
def get_values(cls, field, **kwargs):
return [getattr(obj, field) for obj in cls.get_objects(**kwargs)]
@base.NeutronObjectRegistry.register
class QosRuleTypeDriver(base.NeutronObject):
# Version 1.0: Initial version
VERSION = '1.0'
fields = {
'name': obj_fields.StringField(),
'supported_parameters': common_types.ListOfDictOfMiscValuesField()
}
def to_dict(self):
return {
'name': self.name,
'supported_parameters': self.supported_parameters}
@classmethod
def get_objects(cls, context, **kwargs):
raise NotImplementedError()