57 lines
2.2 KiB
Python
57 lines
2.2 KiB
Python
# 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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from oslo_log import log
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from neutron.agent import securitygroups_rpc
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from neutron.common import constants
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from neutron.extensions import portbindings
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from neutron.plugins.common import constants as p_constants
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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 OpenvswitchMechanismDriver(mech_agent.SimpleAgentMechanismDriverBase):
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"""Attach to networks using openvswitch L2 agent.
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The OpenvswitchMechanismDriver integrates the ml2 plugin with the
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openvswitch L2 agent. Port binding with this driver requires the
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openvswitch 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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sg_enabled = securitygroups_rpc.is_firewall_enabled()
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vif_details = {portbindings.CAP_PORT_FILTER: sg_enabled,
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portbindings.OVS_HYBRID_PLUG: sg_enabled}
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super(OpenvswitchMechanismDriver, self).__init__(
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constants.AGENT_TYPE_OVS,
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portbindings.VIF_TYPE_OVS,
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vif_details)
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def get_allowed_network_types(self, agent):
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return (agent['configurations'].get('tunnel_types', []) +
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[p_constants.TYPE_LOCAL, p_constants.TYPE_FLAT,
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p_constants.TYPE_VLAN])
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def get_mappings(self, agent):
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return agent['configurations'].get('bridge_mappings', {})
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def check_vlan_transparency(self, context):
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"""Currently Openvswitch driver doesn't support vlan transparency."""
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return False
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