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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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import hashlib |
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import mongoengine as me |
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from st2common.models.db import stormbase |
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from st2common.fields import ComplexDateTimeField |
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from st2common.util import date as date_utils |
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from st2common.constants.types import ResourceType |
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from st2common.models.db import MongoDBAccess |
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__all__ = [ |
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'TraceDB', |
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'TraceComponentDB' |
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] |
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class TraceComponentDB(me.EmbeddedDocument): |
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""" |
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""" |
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object_id = me.StringField() |
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ref = me.StringField(default='') |
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updated_at = ComplexDateTimeField( |
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default=date_utils.get_datetime_utc_now, |
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help_text='The timestamp when the TraceComponent was included.') |
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caused_by = me.DictField(help_text='Causal component.') |
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def __str__(self): |
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return 'TraceComponentDB@(object_id:{}, updated_at:{})'.format( |
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self.object_id, self.updated_at) |
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class TraceDB(stormbase.StormFoundationDB, stormbase.UIDFieldMixin): |
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""" |
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Trace is a collection of all TriggerInstances, Rules and ActionExecutions |
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that represent an activity which begins with the introduction of a |
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TriggerInstance or request of an ActionExecution and ends with the |
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completion of an ActionExecution. Given the closed feedback look sort of |
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nature of StackStorm this implies a Trace can comprise of multiple |
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TriggerInstances, Rules and ActionExecutions. |
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:param trace_tag: A user specified reference to the trace. |
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:param trigger_instances: TriggerInstances associated with this trace. |
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:param rules: Rules associated with this trace. |
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:param action_executions: ActionExecutions associated with this trace. |
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""" |
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RESOURCE_TYPE = ResourceType.TRACE |
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trace_tag = me.StringField(required=True, |
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help_text='A user specified reference to the trace.') |
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trigger_instances = me.ListField(field=me.EmbeddedDocumentField(TraceComponentDB), |
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required=False, |
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help_text='Associated TriggerInstances.') |
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rules = me.ListField(field=me.EmbeddedDocumentField(TraceComponentDB), |
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required=False, |
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help_text='Associated Rules.') |
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action_executions = me.ListField(field=me.EmbeddedDocumentField(TraceComponentDB), |
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required=False, |
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help_text='Associated ActionExecutions.') |
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start_timestamp = ComplexDateTimeField(default=date_utils.get_datetime_utc_now, |
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help_text='The timestamp when the Trace was created.') |
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meta = { |
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'indexes': [ |
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{'fields': ['trace_tag']}, |
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{'fields': ['start_timestamp']}, |
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{'fields': ['action_executions.object_id']}, |
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{'fields': ['trigger_instances.object_id']}, |
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{'fields': ['rules.object_id']}, |
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{'fields': ['-start_timestamp', 'trace_tag']}, |
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] |
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} |
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def __init__(self, *args, **values): |
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super(TraceDB, self).__init__(*args, **values) |
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self.uid = self.get_uid() |
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def get_uid(self): |
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parts = [] |
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parts.append(self.RESOURCE_TYPE) |
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componenets_hash = hashlib.md5() |
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componenets_hash.update(str(self.trace_tag)) |
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componenets_hash.update(str(self.trigger_instances)) |
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componenets_hash.update(str(self.rules)) |
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componenets_hash.update(str(self.action_executions)) |
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componenets_hash.update(str(self.start_timestamp)) |
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parts.append(componenets_hash.hexdigest()) |
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uid = self.UID_SEPARATOR.join(parts) |
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return uid |
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# specialized access objects |
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trace_access = MongoDBAccess(TraceDB) |
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MODELS = [TraceDB] |
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StackStorm /
st2
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