86 lines
2.8 KiB
Python
86 lines
2.8 KiB
Python
# Copyright 2017 AT&T Intellectual Property. All other rights reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# 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 datetime
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from oslo_versionedobjects import base
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from oslo_versionedobjects import fields as obj_fields
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from deckhand import objects
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class DeckhandObjectRegistry(base.VersionedObjectRegistry):
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# Steal this from Cinder to bring all registered objects
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# into the Deckhand_provisioner.objects namespace.
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def registration_hook(self, cls, index):
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setattr(objects, cls.obj_name(), cls)
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class DeckhandObject(base.VersionedObject):
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# Version 1.0: Initial version
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VERSION = '1.0'
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OBJ_PROJECT_NAMESPACE = 'deckhand.objects'
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def obj_load_attr(self, attrname):
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if attrname in self.fields.keys():
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setattr(self, attrname, None)
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else:
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raise ValueError("Unknown field %s." % (attrname))
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def obj_to_simple(self):
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"""
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Create a simple primitive representation of this object excluding
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all the versioning stuff. Used to serialize an object for public
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consumption, not intended to be deserialized by OVO.
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"""
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primitive = dict()
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primitive['model_type'] = self.__class__.__name__
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primitive['model_version'] = self.VERSION
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for name, field in self.fields.items():
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if self.obj_attr_is_set(name):
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value = getattr(self, name)
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if (hasattr(value, 'obj_to_simple') and
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callable(value.obj_to_simple)):
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primitive[name] = value.obj_to_simple()
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else:
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value = field.to_primitive(self, name, value)
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if value is not None:
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primitive[name] = value
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return primitive
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class DeckhandPersistentObject(base.VersionedObject):
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fields = {
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'created_at': obj_fields.DateTimeField(nullable=False),
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'created_by': obj_fields.StringField(nullable=False),
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'updated_at': obj_fields.DateTimeField(nullable=True),
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'updated_by': obj_fields.StringField(nullable=True),
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}
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def set_create_fields(self, context):
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self.created_at = datetime.datetime.now()
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self.created_by = context.user
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def set_update_fields(self, context):
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self.updated_at = datetime.datetime.now()
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self.updated_by = context.user
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