group-based-policy/gbpservice/neutron/plugins/ml2/drivers/grouppolicy/apic/driver.py

99 lines
3.9 KiB
Python

# Copyright (c) 2014 Cisco Systems 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.extensions import portbindings
from neutron import manager
from neutron.plugins.ml2 import driver_api as api
from neutron.plugins.ml2.drivers import mech_agent
from opflexagent import constants as ofcst
from oslo_log import log
from gbpservice.neutron.services.grouppolicy.drivers.cisco.apic import (
apic_mapping as amap)
LOG = log.getLogger(__name__)
class APICMechanismGBPDriver(mech_agent.AgentMechanismDriverBase):
def __init__(self):
self.vif_details = {portbindings.CAP_PORT_FILTER: False,
portbindings.OVS_HYBRID_PLUG: False}
self.vif_type = portbindings.VIF_TYPE_OVS
super(APICMechanismGBPDriver, self).__init__(
ofcst.AGENT_TYPE_OPFLEX_OVS)
def try_to_bind_segment_for_agent(self, context, segment, agent):
if self.check_segment_for_agent(segment, agent):
context.set_binding(
segment[api.ID], self.vif_type, self.vif_details)
return True
else:
return False
def check_segment_for_agent(self, segment, agent):
network_type = segment[api.NETWORK_TYPE]
if network_type == ofcst.TYPE_OPFLEX:
opflex_mappings = agent['configurations'].get('opflex_networks')
LOG.debug("Checking segment: %(segment)s "
"for mappings: %(mappings)s ",
{'segment': segment, 'mappings': opflex_mappings})
return ((opflex_mappings is None) or
(segment[api.PHYSICAL_NETWORK] in opflex_mappings))
else:
return False
def initialize(self):
super(APICMechanismGBPDriver, self).initialize()
self._apic_gbp = None
@property
def apic_gbp(self):
if not self._apic_gbp:
self._apic_gbp = manager.NeutronManager.get_service_plugins()[
'GROUP_POLICY'].policy_driver_manager.policy_drivers[
'apic'].obj
return self._apic_gbp
def create_port_postcommit(self, context):
self.apic_gbp.process_port_added(
context._plugin_context, context.current)
def update_port_postcommit(self, context):
self.apic_gbp.process_port_changed(context._plugin_context,
context.original, context.current)
def delete_port_precommit(self, context):
self.apic_gbp.process_pre_port_deleted(context._plugin_context,
context.current)
def delete_port_postcommit(self, context):
self.apic_gbp.process_port_deleted(context._plugin_context,
context.current)
def update_subnet_postcommit(self, context):
self.apic_gbp.process_subnet_changed(context._plugin_context,
context.original, context.current)
def create_subnet_postcommit(self, context):
if not context.current['name'].startswith(amap.APIC_OWNED):
self.apic_gbp.process_subnet_added(context._plugin_context,
context.current)
def delete_subnet_postcommit(self, context):
self.apic_gbp.process_subnet_deleted(context._plugin_context,
context.current)