62 lines
2.5 KiB
Python
62 lines
2.5 KiB
Python
# Copyright (C) 2014 VA Linux Systems Japan K.K.
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# Based on openvswitch mechanism driver.
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#
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# Copyright (c) 2013 OpenStack Foundation
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# All Rights Reserved.
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#
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# 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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# @author: Fumihiko Kakuma, VA Linux Systems Japan K.K.
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from neutron.common import 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 as p_const
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from neutron.plugins.ml2 import driver_api as api
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from neutron.plugins.ml2.drivers import mech_agent
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LOG = log.getLogger(__name__)
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class OfagentMechanismDriver(mech_agent.SimpleAgentMechanismDriverBase):
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"""Attach to networks using ofagent L2 agent.
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The OfagentMechanismDriver integrates the ml2 plugin with the
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ofagent L2 agent. Port binding with this driver requires the
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ofagent agent to be running on the port's host, and that agent
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to have connectivity to at least one segment of the port's
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network.
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"""
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def __init__(self):
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super(OfagentMechanismDriver, self).__init__(
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constants.AGENT_TYPE_OFA,
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portbindings.VIF_TYPE_OVS,
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{portbindings.CAP_PORT_FILTER: True,
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portbindings.OVS_HYBRID_PLUG: True})
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def check_segment_for_agent(self, segment, agent):
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mappings = agent['configurations'].get('bridge_mappings', {})
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tunnel_types = agent['configurations'].get('tunnel_types', [])
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LOG.debug(_("Checking segment: %(segment)s "
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"for mappings: %(mappings)s "
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"with tunnel_types: %(tunnel_types)s"),
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{'segment': segment, 'mappings': mappings,
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'tunnel_types': tunnel_types})
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network_type = segment[api.NETWORK_TYPE]
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return (
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network_type == p_const.TYPE_LOCAL or
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network_type in tunnel_types or
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(network_type in [p_const.TYPE_FLAT, p_const.TYPE_VLAN] and
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segment[api.PHYSICAL_NETWORK] in mappings)
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)
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