Coverage for neutron/plugins/ml2/drivers/openvswitch/agent/extension_drivers/qos_driver : 0%

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# Copyright (c) 2015 Openstack Foundation # # 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 oslo_config import cfg from oslo_log import log as logging
from neutron.agent.common import ovs_lib from neutron.agent.l2.extensions import qos from neutron.i18n import _LW from neutron.plugins.ml2.drivers.openvswitch.mech_driver import ( mech_openvswitch)
LOG = logging.getLogger(__name__)
class QosOVSAgentDriver(qos.QosAgentDriver):
_SUPPORTED_RULES = ( mech_openvswitch.OpenvswitchMechanismDriver.supported_qos_rule_types)
def __init__(self): super(QosOVSAgentDriver, self).__init__() self.br_int_name = cfg.CONF.OVS.integration_bridge self.br_int = None
def initialize(self): self.br_int = ovs_lib.OVSBridge(self.br_int_name)
def create(self, port, qos_policy): self._handle_rules('create', port, qos_policy)
def update(self, port, qos_policy): self._handle_rules('update', port, qos_policy)
def delete(self, port, qos_policy): # TODO(QoS): consider optimizing flushing of all QoS rules from the # port by inspecting qos_policy.rules contents self._delete_bandwidth_limit(port)
def _handle_rules(self, action, port, qos_policy): for rule in qos_policy.rules: if rule.rule_type in self._SUPPORTED_RULES: handler_name = ("".join(("_", action, "_", rule.rule_type))) handler = getattr(self, handler_name) handler(port, rule) else: LOG.warning(_LW('Unsupported QoS rule type for %(rule_id)s: ' '%(rule_type)s; skipping'), {'rule_id': rule.id, 'rule_type': rule.rule_type})
def _create_bandwidth_limit(self, port, rule): self._update_bandwidth_limit(port, rule)
def _update_bandwidth_limit(self, port, rule): port_name = port['vif_port'].port_name max_kbps = rule.max_kbps max_burst_kbps = rule.max_burst_kbps
self.br_int.create_egress_bw_limit_for_port(port_name, max_kbps, max_burst_kbps)
def _delete_bandwidth_limit(self, port): port_name = port['vif_port'].port_name self.br_int.delete_egress_bw_limit_for_port(port_name) |