75 lines
3.1 KiB
Python
75 lines
3.1 KiB
Python
# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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from gbpservice.neutron.services.grouppolicy.drivers.odl import odl_mapping
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from neutron.common import constants as n_constants
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from neutron.extensions import portbindings
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from neutron.openstack.common import log
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from neutron.plugins.common import constants
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from neutron.plugins.ml2 import driver_api as api
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LOG = log.getLogger(__name__)
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class OdlMechanismGBPDriver(api.MechanismDriver):
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def initialize(self):
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self._odl_gbp = None
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self.vif_type = portbindings.VIF_TYPE_OVS
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self.vif_details = {portbindings.CAP_PORT_FILTER: True}
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@property
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def odl_gbp(self):
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if not self._odl_gbp:
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self._odl_gbp = (odl_mapping.OdlMappingDriver.
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get_initialized_instance())
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return self._odl_gbp
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def create_port_postcommit(self, context):
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# DHCP Ports are created implicitly by Neutron, need to inform GBP
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if (context.current.get('device_owner') ==
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n_constants.DEVICE_OWNER_DHCP):
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self.odl_gbp.create_dhcp_policy_target_if_needed(
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context._plugin_context, context.current
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)
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def bind_port(self, context):
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LOG.debug("Attempting to bind port %(port)s on "
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"network %(network)s",
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{'port': context.current['id'],
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'network': context.network.current['id']})
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for segment in context.network.network_segments:
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if self._check_segment(segment):
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context.set_binding(segment[api.ID],
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self.vif_type,
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self.vif_details,
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status=n_constants.PORT_STATUS_ACTIVE)
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LOG.debug("Bound using segment: %s", segment)
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return
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else:
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LOG.debug("Refusing to bind port for segment ID %(id)s, "
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"segment %(seg)s, phys net %(physnet)s, and "
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"network type %(nettype)s",
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{'id': segment[api.ID],
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'seg': segment[api.SEGMENTATION_ID],
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'physnet': segment[api.PHYSICAL_NETWORK],
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'nettype': segment[api.NETWORK_TYPE]})
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def _check_segment(self, segment):
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"""Verify a segment is valid for the OpenDaylight MechanismDriver.
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Verify the requested segment is supported by ODL and return True or
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False to indicate this to callers.
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"""
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network_type = segment[api.NETWORK_TYPE]
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return network_type in [constants.TYPE_VXLAN, ]
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