71 lines
2.7 KiB
Python
71 lines
2.7 KiB
Python
# Copyright 2015 VMware, Inc.
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#
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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 networking_l2gw.db.l2gateway import l2gateway_db
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from networking_l2gw.services.l2gateway.common import constants as l2gw_const
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from oslo_config import cfg
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from oslo_log import log as logging
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from oslo_utils import importutils
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from vmware_nsx.common import config # noqa
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LOG = logging.getLogger(__name__)
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class NsxL2GatewayPlugin(l2gateway_db.L2GatewayMixin):
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"""Service plugin for VMware NSX to implement Neutron's L2 gateway API."""
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supported_extension_aliases = ["l2-gateway", "l2-gateway-connection"]
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_methods_to_delegate = ["create_l2_gateway", "get_l2_gateway",
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"delete_l2_gateway", "get_l2_gateways",
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"update_l2_gateway",
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"create_l2_gateway_connection",
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"get_l2_gateway_connection",
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"get_l2_gateway_connections",
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"update_l2_gateway_connection",
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"delete_l2_gateway_connection"]
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def __init__(self):
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"""Initialize service plugin and load backend driver."""
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super(NsxL2GatewayPlugin, self).__init__()
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LOG.debug("Starting service plugin for NSX L2Gateway")
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self._nsx_l2gw_driver = cfg.CONF.NSX.nsx_l2gw_driver
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if not getattr(self, "_nsx_l2gw_driver"):
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raise cfg.RequiredOptError("nsx_l2gw_driver", "NSX")
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self._driver = importutils.import_object(self._nsx_l2gw_driver)
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@staticmethod
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def get_plugin_type():
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"""Get type of the plugin."""
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return l2gw_const.L2GW
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@staticmethod
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def get_plugin_description():
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"""Get description of the plugin."""
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return l2gw_const.L2_GATEWAY_SERVICE_PLUGIN
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def __getattribute__(self, name):
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"""Delegate L2GW API calls to the driver class."""
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methods = object.__getattribute__(self, "_methods_to_delegate")
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if name in methods:
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# If method is delegated, return the driver class method.
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return getattr(object.__getattribute__(self, "_driver"), name)
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else:
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# Else return our own method.
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return object.__getattribute__(self, name)
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