42 lines
1.3 KiB
Python
42 lines
1.3 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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import abc
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from oslo_utils import importutils
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import six
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interface_map = {
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'vsctl': 'vif_plug_ovs.ovsdb.impl_vsctl',
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'native': 'vif_plug_ovs.ovsdb.impl_idl',
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}
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def get_instance(context, iface_name=None):
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"""Return the configured OVSDB API implementation"""
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iface = importutils.import_module(
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interface_map[iface_name or context.interface])
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return iface.api_factory(context)
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@six.add_metaclass(abc.ABCMeta)
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class ImplAPI(object):
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@abc.abstractmethod
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def has_table_column(self, table, column):
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"""Check if a column exists in a database table
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:param table: (string) table name
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:param column: (string) column name
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:return: True if the column exists, False if not.
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"""
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