77 lines
2.5 KiB
Python
77 lines
2.5 KiB
Python
# 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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from nova.db import api as db
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from nova import objects
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from nova.objects import base
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from nova.objects import fields
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MAX_TAG_LENGTH = 60
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@base.NovaObjectRegistry.register
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class Tag(base.NovaObject):
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# Version 1.0: Initial version
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# Version 1.1: Added method exists()
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VERSION = '1.1'
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fields = {
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'resource_id': fields.StringField(),
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'tag': fields.StringField(),
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}
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@staticmethod
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def _from_db_object(context, tag, db_tag):
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for key in tag.fields:
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setattr(tag, key, db_tag[key])
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tag.obj_reset_changes()
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tag._context = context
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return tag
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@base.remotable
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def create(self):
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db_tag = db.instance_tag_add(self._context, self.resource_id, self.tag)
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self._from_db_object(self._context, self, db_tag)
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@base.remotable_classmethod
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def destroy(cls, context, resource_id, name):
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db.instance_tag_delete(context, resource_id, name)
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@base.remotable_classmethod
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def exists(cls, context, resource_id, name):
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return db.instance_tag_exists(context, resource_id, name)
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@base.NovaObjectRegistry.register
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class TagList(base.ObjectListBase, base.NovaObject):
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# Version 1.0: Initial version
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# Version 1.1: Tag <= version 1.1
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VERSION = '1.1'
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fields = {
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'objects': fields.ListOfObjectsField('Tag'),
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}
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@base.remotable_classmethod
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def get_by_resource_id(cls, context, resource_id):
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db_tags = db.instance_tag_get_by_instance_uuid(context, resource_id)
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return base.obj_make_list(context, cls(), objects.Tag, db_tags)
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@base.remotable_classmethod
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def create(cls, context, resource_id, tags):
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db_tags = db.instance_tag_set(context, resource_id, tags)
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return base.obj_make_list(context, cls(), objects.Tag, db_tags)
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@base.remotable_classmethod
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def destroy(cls, context, resource_id):
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db.instance_tag_delete_all(context, resource_id)
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