86 lines
3.0 KiB
Python
86 lines
3.0 KiB
Python
# Copyright 2013 IBM Corp.
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#
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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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"""Magnum common internal object model"""
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from oslo_versionedobjects import base as ovoo_base
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from oslo_versionedobjects import fields as ovoo_fields
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remotable_classmethod = ovoo_base.remotable_classmethod
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remotable = ovoo_base.remotable
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class MagnumObjectRegistry(ovoo_base.VersionedObjectRegistry):
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pass
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class MagnumObject(ovoo_base.VersionedObject):
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"""Base class and object factory.
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This forms the base of all objects that can be remoted or instantiated
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via RPC. Simply defining a class that inherits from this base class
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will make it remotely instantiatable. Objects should implement the
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necessary "get" classmethod routines as well as "save" object methods
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as appropriate.
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"""
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OBJ_SERIAL_NAMESPACE = 'magnum_object'
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OBJ_PROJECT_NAMESPACE = 'magnum'
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def as_dict(self):
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return {k: getattr(self, k)
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for k in self.fields
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if self.obj_attr_is_set(k)}
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class MagnumObjectDictCompat(ovoo_base.VersionedObjectDictCompat):
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pass
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class MagnumPersistentObject(object):
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"""Mixin class for Persistent objects.
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This adds the fields that we use in common for all persistent objects.
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"""
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fields = {
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'created_at': ovoo_fields.DateTimeField(nullable=True),
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'updated_at': ovoo_fields.DateTimeField(nullable=True),
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}
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class MagnumObjectIndirectionAPI(ovoo_base.VersionedObjectIndirectionAPI):
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def __init__(self):
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super(MagnumObjectIndirectionAPI, self).__init__()
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from magnum.conductor import api as conductor_api
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self._conductor = conductor_api.API()
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def object_action(self, context, objinst, objmethod, args, kwargs):
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return self._conductor.object_action(context, objinst, objmethod,
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args, kwargs)
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def object_class_action(self, context, objname, objmethod, objver,
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args, kwargs):
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return self._conductor.object_class_action(context, objname, objmethod,
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objver, args, kwargs)
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def object_backport(self, context, objinst, target_version):
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return self._conductor.object_backport(context, objinst,
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target_version)
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class MagnumObjectSerializer(ovoo_base.VersionedObjectSerializer):
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# Base class to use for object hydration
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OBJ_BASE_CLASS = MagnumObject
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