51 lines
2.0 KiB
Python
51 lines
2.0 KiB
Python
# Copyright 2015 HuaWei Technologies.
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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 neutron_lib.services import base as service_base
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from neutron.db import _model_query as model_query
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from neutron.db import _resource_extend as resource_extend
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from neutron.db import models_v2
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from neutron.db import standard_attr
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from neutron.objects import base as base_obj
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from neutron.services.timestamp import timestamp_db as ts_db
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class TimeStampPlugin(service_base.ServicePluginBase,
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ts_db.TimeStamp_db_mixin):
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"""Implements Neutron Timestamp Service plugin."""
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supported_extension_aliases = ['standard-attr-timestamp']
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def __init__(self):
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super(TimeStampPlugin, self).__init__()
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self.register_db_events()
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rs_model_maps = standard_attr.get_standard_attr_resource_model_map()
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for rsmap, model in rs_model_maps.items():
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resource_extend.register_funcs(
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rsmap, [self.extend_resource_dict_timestamp])
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model_query.register_hook(
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model, "change_since_query", None, None,
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self._change_since_result_filter_hook)
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# TODO(jlibosva): Move this to register_model_query_hook
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base_obj.register_filter_hook_on_model(
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models_v2.SubnetPool, ts_db.CHANGED_SINCE)
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@classmethod
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def get_plugin_type(cls):
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return 'timestamp'
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def get_plugin_description(self):
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return "Adds timestamps to Neutron resources with standard attributes"
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