109 lines
3.9 KiB
Python
109 lines
3.9 KiB
Python
#
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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 heat.common import identifier
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from heat.objects import event as event_object
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from heat.objects import resource_properties_data as rpd_objects
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class Event(object):
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"""Class representing a Resource state change."""
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def __init__(self, context, stack, action, status, reason,
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physical_resource_id, resource_properties, resource_name,
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resource_type, uuid=None, timestamp=None, id=None):
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"""Initialise from a context, stack, and event information.
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The timestamp and database ID may also be initialised if the event is
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already in the database.
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"""
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self.context = context
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self._stack_identifier = stack.identifier()
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self.action = action
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self.status = status
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self.reason = reason
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self.physical_resource_id = physical_resource_id
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self.resource_name = resource_name
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self.resource_type = resource_type
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self.rsrc_prop_data = None
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if isinstance(resource_properties,
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rpd_objects.ResourcePropertiesData):
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self.rsrc_prop_data = resource_properties
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self.resource_properties = self.rsrc_prop_data.data
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elif resource_properties is None:
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self.resource_properties = {}
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else:
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raise AssertionError(
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'resource_properties is unexpected type %s' %
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type(resource_properties).__name__)
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self.uuid = uuid
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self.timestamp = timestamp
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self.id = id
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def store(self):
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"""Store the Event in the database."""
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ev = {
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'resource_name': self.resource_name,
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'physical_resource_id': self.physical_resource_id,
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'stack_id': self._stack_identifier.stack_id,
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'resource_action': self.action,
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'resource_status': self.status,
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'resource_status_reason': self.reason,
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'resource_type': self.resource_type,
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}
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if self.uuid is not None:
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ev['uuid'] = self.uuid
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if self.timestamp is not None:
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ev['created_at'] = self.timestamp
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if self.rsrc_prop_data:
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ev['rsrc_prop_data_id'] = self.rsrc_prop_data.id
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new_ev = event_object.Event.create(self.context, ev)
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self.id = new_ev.id
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self.timestamp = new_ev.created_at
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self.uuid = new_ev.uuid
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return self.id
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def identifier(self):
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"""Return a unique identifier for the event."""
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if self.uuid is None:
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return None
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res_id = identifier.ResourceIdentifier(
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resource_name=self.resource_name, **self._stack_identifier)
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return identifier.EventIdentifier(event_id=str(self.uuid), **res_id)
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def as_dict(self):
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return {
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'timestamp': self.timestamp.isoformat(),
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'version': '0.1',
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'type': 'os.heat.event',
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'id': self.uuid,
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'payload': {
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'resource_name': self.resource_name,
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'physical_resource_id': self.physical_resource_id,
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'stack_id': self._stack_identifier.stack_id,
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'resource_action': self.action,
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'resource_status': self.status,
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'resource_status_reason': self.reason,
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'resource_type': self.resource_type,
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'resource_properties': self.resource_properties,
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'version': '0.1'
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}
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}
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