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# Licensed to the StackStorm, Inc ('StackStorm') under one or more |
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# contributor license agreements. See the NOTICE file distributed with |
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# this work for additional information regarding copyright ownership. |
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# The ASF licenses this file to You under the Apache License, Version 2.0 |
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# (the "License"); you may not use this file except in compliance with |
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# the License. You may obtain 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, |
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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# See the License for the specific language governing permissions and |
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# limitations under the License. |
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""" |
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Module with utility functions for purging old trigger instance objects. |
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""" |
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from mongoengine.errors import InvalidQueryError |
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from st2common.persistence.trigger import TriggerInstance |
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from st2common.util import isotime |
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__all__ = [ |
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'purge_trigger_instances' |
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] |
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def purge_trigger_instances(logger, timestamp): |
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""" |
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:param timestamp: Trigger instances older than this timestamp will be deleted. |
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:type timestamp: ``datetime.datetime |
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""" |
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if not timestamp: |
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raise ValueError('Specify a valid timestamp to purge.') |
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logger.info('Purging trigger instances older than timestamp: %s' % |
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timestamp.strftime('%Y-%m-%dT%H:%M:%S.%fZ')) |
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query_filters = {'occurrence_time__lt': isotime.parse(timestamp)} |
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# TODO: Update this code to return statistics on deleted objects once we |
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# upgrade to newer version of MongoDB where delete_by_query actually returns |
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# some data |
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try: |
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TriggerInstance.delete_by_query(**query_filters) |
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except InvalidQueryError as e: |
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msg = ('Bad query (%s) used to delete trigger instances: %s' |
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'Please contact support.' % (query_filters, str(e))) |
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raise InvalidQueryError(msg) |
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except: |
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logger.exception('Deleting instances using query_filters %s failed.', query_filters) |
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# Print stats |
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logger.info('All trigger instance models older than timestamp %s were deleted.', timestamp) |
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Plexxi /
st2
