1b8664f8e1
neutron-lib contains the QoS constants. This patch removes them from neutron and replaces all such uses to lib's QoS constants. NeutronLibImpact Change-Id: I6ed379b178a2b79fd14385a1d1e87d87eb04bfb9
164 lines
6.1 KiB
Python
164 lines
6.1 KiB
Python
# Copyright 2015 Huawei Technologies India Pvt Ltd, Inc.
|
|
# All Rights Reserved.
|
|
#
|
|
# 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.
|
|
|
|
import abc
|
|
import sys
|
|
|
|
from neutron_lib import constants
|
|
from neutron_lib.services.qos import constants as qos_consts
|
|
from neutron_lib.utils import helpers
|
|
from oslo_utils import versionutils
|
|
from oslo_versionedobjects import base as obj_base
|
|
from oslo_versionedobjects import exception
|
|
from oslo_versionedobjects import fields as obj_fields
|
|
import six
|
|
|
|
from neutron.db import api as db_api
|
|
from neutron.db.qos import models as qos_db_model
|
|
from neutron.objects import base
|
|
from neutron.objects import common_types
|
|
|
|
DSCP_MARK = 'dscp_mark'
|
|
|
|
|
|
def get_rules(context, qos_policy_id):
|
|
all_rules = []
|
|
with db_api.autonested_transaction(context.session):
|
|
for rule_type in qos_consts.VALID_RULE_TYPES:
|
|
rule_cls_name = 'Qos%sRule' % helpers.camelize(rule_type)
|
|
rule_cls = getattr(sys.modules[__name__], rule_cls_name)
|
|
|
|
rules = rule_cls.get_objects(context, qos_policy_id=qos_policy_id)
|
|
all_rules.extend(rules)
|
|
return all_rules
|
|
|
|
|
|
@six.add_metaclass(abc.ABCMeta)
|
|
class QosRule(base.NeutronDbObject):
|
|
# Version 1.0: Initial version, only BandwidthLimitRule
|
|
# 1.1: Added DscpMarkingRule
|
|
# 1.2: Added QosMinimumBandwidthRule
|
|
# 1.3: Added direction for BandwidthLimitRule
|
|
#
|
|
#NOTE(mangelajo): versions need to be handled from the top QosRule object
|
|
# because it's the only reference QosPolicy can make
|
|
# to them via obj_relationships version map
|
|
VERSION = '1.3'
|
|
|
|
fields = {
|
|
'id': common_types.UUIDField(),
|
|
'qos_policy_id': common_types.UUIDField()
|
|
}
|
|
|
|
fields_no_update = ['id', 'qos_policy_id']
|
|
|
|
# should be redefined in subclasses
|
|
rule_type = None
|
|
|
|
def to_dict(self):
|
|
dict_ = super(QosRule, self).to_dict()
|
|
dict_['type'] = self.rule_type
|
|
return dict_
|
|
|
|
def should_apply_to_port(self, port):
|
|
"""Check whether a rule can be applied to a specific port.
|
|
|
|
This function has the logic to decide whether a rule should
|
|
be applied to a port or not, depending on the source of the
|
|
policy (network, or port). Eventually rules could override
|
|
this method, or we could make it abstract to allow different
|
|
rule behaviour.
|
|
"""
|
|
is_port_policy = self.qos_policy_id == port[qos_consts.QOS_POLICY_ID]
|
|
is_network_policy_only = port[qos_consts.QOS_POLICY_ID] is None
|
|
is_network_device_port = any(port['device_owner'].startswith(prefix)
|
|
for prefix
|
|
in constants.DEVICE_OWNER_PREFIXES)
|
|
# NOTE(miouge): Network QoS policies should apply to ext routers ports:
|
|
# - DEVICE_OWNER_AGENT_GW for DVR routers
|
|
# - DEVICE_OWNER_ROUTER_GW for normal neutron routers
|
|
is_router_gw = any(port['device_owner'].startswith(prefix)
|
|
for prefix in [constants.DEVICE_OWNER_AGENT_GW,
|
|
constants.DEVICE_OWNER_ROUTER_GW])
|
|
# NOTE(ralonsoh): return True if:
|
|
# - Is a port QoS policy (not a network QoS policy)
|
|
# - Is not an internal network device (e.g. router) and is a network
|
|
# QoS policy and there is no port QoS policy
|
|
return (is_port_policy or ((is_router_gw or not is_network_device_port)
|
|
and is_network_policy_only))
|
|
|
|
|
|
@obj_base.VersionedObjectRegistry.register
|
|
class QosBandwidthLimitRule(QosRule):
|
|
|
|
db_model = qos_db_model.QosBandwidthLimitRule
|
|
|
|
fields = {
|
|
'max_kbps': obj_fields.IntegerField(nullable=True),
|
|
'max_burst_kbps': obj_fields.IntegerField(nullable=True),
|
|
'direction': common_types.FlowDirectionEnumField(
|
|
default=constants.EGRESS_DIRECTION)
|
|
}
|
|
|
|
rule_type = qos_consts.RULE_TYPE_BANDWIDTH_LIMIT
|
|
|
|
def obj_make_compatible(self, primitive, target_version):
|
|
_target_version = versionutils.convert_version_to_tuple(target_version)
|
|
if _target_version < (1, 3) and 'direction' in primitive:
|
|
direction = primitive.pop('direction')
|
|
if direction == constants.INGRESS_DIRECTION:
|
|
raise exception.IncompatibleObjectVersion(
|
|
objver=target_version,
|
|
objtype="QosBandwidthLimitRule")
|
|
|
|
|
|
@obj_base.VersionedObjectRegistry.register
|
|
class QosDscpMarkingRule(QosRule):
|
|
|
|
db_model = qos_db_model.QosDscpMarkingRule
|
|
|
|
fields = {
|
|
DSCP_MARK: common_types.DscpMarkField(),
|
|
}
|
|
|
|
rule_type = qos_consts.RULE_TYPE_DSCP_MARKING
|
|
|
|
def obj_make_compatible(self, primitive, target_version):
|
|
_target_version = versionutils.convert_version_to_tuple(target_version)
|
|
if _target_version < (1, 1):
|
|
raise exception.IncompatibleObjectVersion(
|
|
objver=target_version,
|
|
objname="QosDscpMarkingRule")
|
|
|
|
|
|
@obj_base.VersionedObjectRegistry.register
|
|
class QosMinimumBandwidthRule(QosRule):
|
|
|
|
db_model = qos_db_model.QosMinimumBandwidthRule
|
|
|
|
fields = {
|
|
'min_kbps': obj_fields.IntegerField(nullable=True),
|
|
'direction': common_types.FlowDirectionEnumField(),
|
|
}
|
|
|
|
rule_type = qos_consts.RULE_TYPE_MINIMUM_BANDWIDTH
|
|
|
|
def obj_make_compatible(self, primitive, target_version):
|
|
_target_version = versionutils.convert_version_to_tuple(target_version)
|
|
if _target_version < (1, 2):
|
|
raise exception.IncompatibleObjectVersion(
|
|
objver=target_version,
|
|
objname="QosMinimumBandwidthRule")
|