52 lines
1.7 KiB
Python
52 lines
1.7 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 ovs.db import idl
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from ovsdbapp.backend.ovs_idl import connection
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from ovsdbapp.backend.ovs_idl import idlutils
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from ovsdbapp.backend.ovs_idl import vlog
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from ovsdbapp.schema.open_vswitch import impl_idl
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from vif_plug_ovs.ovsdb import api
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def idl_factory(config):
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conn = config.connection
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schema_name = 'Open_vSwitch'
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helper = idlutils.get_schema_helper(conn, schema_name)
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helper.register_all()
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return idl.Idl(conn, helper)
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def api_factory(config):
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conn = connection.Connection(
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idl=idl_factory(config),
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timeout=config.timeout)
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return NeutronOvsdbIdl(conn)
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class NeutronOvsdbIdl(impl_idl.OvsdbIdl, api.ImplAPI):
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"""IDL interface for OVS database back-end
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This class provides an OVSDB IDL (Open vSwitch Database Interface
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Definition Language) interface to the OVS back-end.
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"""
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def __init__(self, conn):
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vlog.use_python_logger()
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super(NeutronOvsdbIdl, self).__init__(conn)
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def _get_table_columns(self, table):
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return list(self.tables[table].columns)
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def has_table_column(self, table, column):
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return column in self._get_table_columns(table)
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