# Copyright 2014 Intel Corp.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
"""Event object."""
from oslo_log import log as logging
from oslo_versionedobjects import base
from oslo_versionedobjects import fields
from heat.common import identifier
from heat.db import api as db_api
from heat.objects import base as heat_base
from heat.objects import resource_properties_data as rpd
LOG = logging.getLogger(__name__)
[docs]
class Event(
heat_base.HeatObject,
base.VersionedObjectDictCompat,
):
fields = {
'id': fields.IntegerField(),
'stack_id': fields.StringField(),
'uuid': fields.StringField(),
'resource_action': fields.StringField(nullable=True),
'resource_status': fields.StringField(nullable=True),
'resource_name': fields.StringField(nullable=True),
'physical_resource_id': fields.StringField(nullable=True),
'resource_status_reason': fields.StringField(nullable=True),
'resource_type': fields.StringField(nullable=True),
'rsrc_prop_data_id': fields.ObjectField(
fields.IntegerField(nullable=True)),
'created_at': fields.DateTimeField(read_only=True),
'updated_at': fields.DateTimeField(nullable=True),
}
@staticmethod
def _from_db_object(context, event, db_event):
event._resource_properties = None
for field in event.fields:
if field == 'resource_status_reason':
# this works whether db_event is a dict or DB ref
event[field] = db_event['_resource_status_reason']
else:
event[field] = db_event[field]
if db_event['rsrc_prop_data_id'] is None:
event._resource_properties = db_event['resource_properties'] or {}
else:
if hasattr(db_event, '__dict__'):
rpd_obj = db_event.__dict__.get('rsrc_prop_data')
elif hasattr(db_event, 'rsrc_prop_data'):
rpd_obj = db_event['rsrc_prop_data']
else:
rpd_obj = None
if rpd_obj is not None:
# Object is already eager loaded
rpd_obj = (
rpd.ResourcePropertiesData._from_db_object(
rpd.ResourcePropertiesData(),
context,
rpd_obj))
event._resource_properties = rpd_obj.data
event._context = context
event.obj_reset_changes()
return event
@property
def resource_properties(self):
if self._resource_properties is None:
LOG.info('rsrc_prop_data lazy load')
rpd_obj = rpd.ResourcePropertiesData.get_by_id(
self._context, self.rsrc_prop_data_id)
self._resource_properties = rpd_obj.data or {}
return self._resource_properties
[docs]
@classmethod
def get_all_by_tenant(cls, context, **kwargs):
return [cls._from_db_object(context, cls(), db_event)
for db_event in db_api.event_get_all_by_tenant(context,
**kwargs)]
[docs]
@classmethod
def get_all_by_stack(cls, context, stack_id, **kwargs):
return [cls._from_db_object(context, cls(), db_event)
for db_event in db_api.event_get_all_by_stack(context,
stack_id,
**kwargs)]
[docs]
@classmethod
def count_all_by_stack(cls, context, stack_id):
return db_api.event_count_all_by_stack(context, stack_id)
[docs]
@classmethod
def create(cls, context, values):
# Using dict() allows us to be done with the sqlalchemy/model
# layer in one call, rather than hitting that layer for every
# field in _from_db_object().
return cls._from_db_object(context, cls(context=context),
dict(db_api.event_create(context, values)))
[docs]
def identifier(self, stack_identifier):
"""Return a unique identifier for the event."""
res_id = identifier.ResourceIdentifier(
resource_name=self.resource_name, **stack_identifier)
return identifier.EventIdentifier(event_id=str(self.uuid), **res_id)
