OpenStack Networking (Neutron)
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#
# 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.api.definitions import l3 as l3_apidef
from neutron_lib.services.qos import constants as qos_consts
from neutron.db import _resource_extend as resource_extend
from neutron.objects.qos import policy as policy_object
@resource_extend.has_resource_extenders
class FloatingQoSDbMixin(object):
"""Mixin class to enable floating IP's QoS extra attributes."""
@staticmethod
@resource_extend.extends([l3_apidef.FLOATINGIPS])
def _extend_extra_fip_dict(fip_res, fip_db):
if fip_db.get('qos_policy_binding'):
fip_res[qos_consts.QOS_POLICY_ID] = (
fip_db.qos_policy_binding.policy_id)
else:
fip_res[qos_consts.QOS_POLICY_ID] = None
return fip_res
def _create_fip_qos_db(self, context, fip_id, policy_id):
policy = policy_object.QosPolicy.get_policy_obj(context, policy_id)
policy.attach_floatingip(fip_id)
def _delete_fip_qos_db(self, context, fip_id, policy_id):
policy = policy_object.QosPolicy.get_policy_obj(context, policy_id)
policy.detach_floatingip(fip_id)
def _process_extra_fip_qos_create(self, context, fip_id, fip):
qos_policy_id = fip.get(qos_consts.QOS_POLICY_ID)
if not qos_policy_id:
return
self._create_fip_qos_db(context, fip_id, qos_policy_id)
def _process_extra_fip_qos_update(
self, context, floatingip_obj, fip, old_floatingip):
if qos_consts.QOS_POLICY_ID not in fip:
# No qos_policy_id in API input, do nothing
return
new_qos_policy_id = fip.get(qos_consts.QOS_POLICY_ID)
old_qos_policy_id = old_floatingip.get(qos_consts.QOS_POLICY_ID)
if old_qos_policy_id == new_qos_policy_id:
return
if old_qos_policy_id:
self._delete_fip_qos_db(context,
floatingip_obj['id'],
old_qos_policy_id)
if not new_qos_policy_id:
return
self._create_fip_qos_db(
context, floatingip_obj['id'], new_qos_policy_id)