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# Copyright (c) 2016 OpenStack Foundation
# 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 oslo_log import log
from neutron.common import constants as n_const
from neutron.extensions import portbindings
from neutron.plugins.common import constants
from neutron.plugins.ml2 import driver_api
from networking_odl.ml2 import port_binding
LOG = log.getLogger(__name__)
class LegacyPortBindingManager(port_binding.PortBindingController):
def __init__(self):
self.vif_details = {portbindings.CAP_PORT_FILTER: True}
def bind_port(self, port_context):
"""Set binding for all valid segments
"""
valid_segment = None
for segment in port_context.segments_to_bind:
if self._check_segment(segment):
valid_segment = segment
break
if valid_segment:
vif_type = self._get_vif_type(port_context)
LOG.debug("Bind port %(port)s on network %(network)s with valid "
"segment %(segment)s and VIF type %(vif_type)r.",
{'port': port_context.current['id'],
'network': port_context.network.current['id'],
'segment': valid_segment, 'vif_type': vif_type})
port_context.set_binding(
segment[driver_api.ID], vif_type,
self.vif_details,
status=n_const.PORT_STATUS_ACTIVE)
def _check_segment(self, segment):
"""Verify a segment is valid for the OpenDaylight MechanismDriver.
Verify the requested segment is supported by ODL and return True or
False to indicate this to callers.
"""
network_type = segment[driver_api.NETWORK_TYPE]
return network_type in [constants.TYPE_LOCAL, constants.TYPE_GRE,
constants.TYPE_VXLAN, constants.TYPE_VLAN]
def _get_vif_type(self, port_context):
"""Get VIF type string for given PortContext
Dummy implementation: it always returns following constant.
neutron.extensions.portbindings.VIF_TYPE_OVS
"""
return portbindings.VIF_TYPE_OVS
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