6ebc74622a
Adding support for the QoS DSCP marking rules for networks, and creating a matching filter policy on the dvs Change-Id: I56418ddd9ebbbed9576d41e8fd915b5b8c570283
115 lines
4.4 KiB
Python
115 lines
4.4 KiB
Python
# Copyright 2016 VMware, 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.
|
|
|
|
from neutron.api.rpc.callbacks import events as callbacks_events
|
|
from neutron import context as n_context
|
|
from neutron import manager
|
|
from neutron.objects.qos import policy as qos_policy
|
|
from neutron.plugins.common import constants
|
|
|
|
from oslo_log import log as logging
|
|
|
|
from vmware_nsx.db import db as nsx_db
|
|
|
|
LOG = logging.getLogger(__name__)
|
|
|
|
|
|
class NsxVQosRule(object):
|
|
|
|
def __init__(self, context=None, qos_policy_id=None):
|
|
super(NsxVQosRule, self).__init__()
|
|
|
|
self._qos_plugin = None
|
|
|
|
# Data structure to hold the NSX-V representation
|
|
# of the neutron QoS Bandwidth rule
|
|
self.bandwidthEnabled = False
|
|
self.averageBandwidth = 0
|
|
self.peakBandwidth = 0
|
|
self.burstSize = 0
|
|
|
|
# And data for the DSCP marking rule
|
|
self.dscpMarkEnabled = False
|
|
self.dscpMarkValue = 0
|
|
|
|
if qos_policy_id is not None:
|
|
self._init_from_policy_id(context, qos_policy_id)
|
|
|
|
def _get_qos_plugin(self):
|
|
if not self._qos_plugin:
|
|
loaded_plugins = manager.NeutronManager.get_service_plugins()
|
|
self._qos_plugin = loaded_plugins[constants.QOS]
|
|
return self._qos_plugin
|
|
|
|
# init the nsx_v qos data (outShapingPolicy) from a neutron qos policy
|
|
def _init_from_policy_id(self, context, qos_policy_id):
|
|
self.bandwidthEnabled = False
|
|
self.dscpMarkEnabled = False
|
|
|
|
# read the neutron policy restrictions
|
|
if qos_policy_id is not None:
|
|
plugin = self._get_qos_plugin()
|
|
# read the QoS BW rule from DB
|
|
rules_obj = plugin.get_policy_bandwidth_limit_rules(
|
|
context, qos_policy_id)
|
|
if rules_obj is not None and len(rules_obj) > 0:
|
|
rule_obj = rules_obj[0] # neutron supports only 1 rule for now
|
|
self.bandwidthEnabled = True
|
|
# averageBandwidth: kbps (neutron) -> bps (nsxv)
|
|
self.averageBandwidth = rule_obj['max_kbps'] * 1024
|
|
# peakBandwidth: the same as the average value because the
|
|
# neutron qos configuration supports only 1 value
|
|
self.peakBandwidth = self.averageBandwidth
|
|
# burstSize: kbps (neutron) -> Bytes (nsxv)
|
|
self.burstSize = rule_obj['max_burst_kbps'] * 128
|
|
|
|
# read the QoS DSCP marking rule from DB
|
|
rules_obj = plugin.get_policy_dscp_marking_rules(
|
|
context, qos_policy_id)
|
|
if rules_obj is not None and len(rules_obj) > 0:
|
|
rule_obj = rules_obj[0] # neutron supports only 1 rule for now
|
|
self.dscpMarkEnabled = True
|
|
self.dscpMarkValue = rule_obj['dscp_mark']
|
|
|
|
return self
|
|
|
|
|
|
def handle_qos_notification(policy_obj, event_type, dvs):
|
|
# Check if QoS policy rule was created/deleted/updated
|
|
# Only if the policy rule was updated, we need to update the dvs
|
|
if (event_type == callbacks_events.UPDATED and
|
|
hasattr(policy_obj, "rules")):
|
|
|
|
# Reload the policy as admin so we will have a context
|
|
context = n_context.get_admin_context()
|
|
admin_policy = qos_policy.QosPolicy.get_object(
|
|
context, id=policy_obj.id)
|
|
# get all the bound networks of this policy
|
|
networks = admin_policy.get_bound_networks()
|
|
qos_rule = NsxVQosRule(context=context,
|
|
qos_policy_id=policy_obj.id)
|
|
|
|
for net_id in networks:
|
|
# update the new bw limitations for this network
|
|
net_morefs = nsx_db.get_nsx_switch_ids(context.session, net_id)
|
|
for moref in net_morefs:
|
|
# update the qos restrictions of the network
|
|
dvs.update_port_groups_config(
|
|
net_id,
|
|
moref,
|
|
dvs.update_port_group_spec_qos,
|
|
qos_rule)
|