88 lines
2.5 KiB
Python
88 lines
2.5 KiB
Python
#
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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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"""StackTag object."""
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from oslo_versionedobjects import base
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from oslo_versionedobjects import fields
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from heat.db.sqlalchemy import api as db_api
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from heat.objects import base as heat_base
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class StackTag(
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heat_base.HeatObject,
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base.VersionedObjectDictCompat,
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base.ComparableVersionedObject,
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):
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fields = {
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'id': fields.IntegerField(),
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'tag': fields.StringField(nullable=True),
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'stack_id': fields.StringField(),
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'created_at': fields.DateTimeField(read_only=True),
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'updated_at': fields.DateTimeField(nullable=True),
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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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"""Method to help with migration to objects.
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Converts a database entity to a formal object.
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"""
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if db_tag is None:
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return None
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for field in tag.fields:
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tag[field] = db_tag[field]
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tag.obj_reset_changes()
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return tag
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@classmethod
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def get_obj(cls, context, tag):
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return cls._from_db_object(cls(context), tag)
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class StackTagList(
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heat_base.HeatObject,
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base.ObjectListBase,
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):
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fields = {
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'objects': fields.ListOfObjectsField('StackTag'),
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}
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def __init__(self, *args, **kwargs):
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self._changed_fields = set()
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super(StackTagList, self).__init__()
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@classmethod
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def get(cls, context, stack_id):
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db_tags = db_api.stack_tags_get(context, stack_id)
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if db_tags:
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return base.obj_make_list(context, cls(), StackTag, db_tags)
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@classmethod
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def set(cls, context, stack_id, tags):
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db_tags = db_api.stack_tags_set(context, stack_id, tags)
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if db_tags:
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return base.obj_make_list(context, cls(), StackTag, db_tags)
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@classmethod
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def delete(cls, context, stack_id):
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db_api.stack_tags_delete(context, stack_id)
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@classmethod
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def from_db_object(cls, context, db_tags):
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if db_tags is not None:
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return base.obj_make_list(context, cls(), StackTag, db_tags)
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