deb-heat/heat/objects/service.py
Kanagaraj Manickam cb953affdb Versioned object Service
Adds the object versioning support for Service model

Implements blueprint versioned-objects

Change-Id: I6ad22009b4a23a419ee769c2f594de1f4348b3b0
2015-03-17 10:35:57 +05:30

93 lines
3.0 KiB
Python

#
# 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.
"""
Service object
"""
from oslo_versionedobjects import base
from oslo_versionedobjects import fields
from heat.db import api as db_api
class Service(base.VersionedObject,
base.VersionedObjectDictCompat,
base.ComparableVersionedObject):
fields = {
'id': fields.StringField(),
'engine_id': fields.StringField(),
'host': fields.StringField(),
'hostname': fields.StringField(),
'binary': fields.StringField(),
'topic': fields.StringField(),
'report_interval': fields.IntegerField(),
'created_at': fields.DateTimeField(read_only=True),
'updated_at': fields.DateTimeField(nullable=True),
'deleted_at': fields.DateTimeField(nullable=True)
}
@staticmethod
def _from_db_object(context, service, db_service):
for field in service.fields:
service[field] = db_service[field]
service._context = context
service.obj_reset_changes()
return service
@classmethod
def _from_db_objects(cls, context, list_obj):
return map(lambda obj: cls._from_db_object(context,
cls(context),
obj),
list_obj)
@classmethod
def get_by_id(cls, context, service_id):
service_db = db_api.service_get(context, service_id)
service = cls._from_db_object(context, cls(), service_db)
return service
@classmethod
def create(cls, context, values):
return cls._from_db_object(
context,
cls(),
db_api.service_create(context, values))
@classmethod
def update_by_id(cls, context, service_id, values):
return cls._from_db_object(
context,
cls(),
db_api.service_update(context, service_id, values))
@classmethod
def delete(cls, context, service_id, soft_delete=True):
return db_api.service_delete(context, service_id, soft_delete)
@classmethod
def get_all(cls, context):
return cls._from_db_objects(context,
db_api.service_get_all(context))
@classmethod
def get_all_by_args(cls, context, host, binary, hostname):
return cls._from_db_objects(
context,
db_api.service_get_all_by_args(context,
host,
binary,
hostname))