Source code for heat.objects.event

# 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
# 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.sqlalchemy 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 = event._context = context event.obj_reset_changes() return event @property def resource_properties(self): if self._resource_properties is None:'rsrc_prop_data lazy load') rpd_obj = rpd.ResourcePropertiesData.get_by_id( self._context, self.rsrc_prop_data_id) self._resource_properties = 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)