Source code for glance.db.sqlalchemy.migrate_repo.versions.032_add_task_info_table

# Copyright 2013 Rackspace
# All Rights Reserved.
#    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
#    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.

from sqlalchemy.schema import (Column, ForeignKey, MetaData, Table)

from glance.db.sqlalchemy.migrate_repo.schema import (String,
                                                      create_tables)  # noqa

TASKS_MIGRATE_COLUMNS = ['input', 'message', 'result']

[docs]def define_task_info_table(meta): Table('tasks', meta, autoload=True) # NOTE(nikhil): input and result are stored as text in the DB. # SQLAlchemy marshals the data to/from JSON using custom type # JSONEncodedDict. It uses simplejson underneath. task_info = Table('task_info', meta, Column('task_id', String(36), ForeignKey(''), primary_key=True, nullable=False), Column('input', Text()), Column('result', Text()), Column('message', Text()), mysql_engine='InnoDB', mysql_charset='utf8') return task_info
[docs]def upgrade(migrate_engine): meta = MetaData() meta.bind = migrate_engine tables = [define_task_info_table(meta)] create_tables(tables) tasks_table = Table('tasks', meta, autoload=True) task_info_table = Table('task_info', meta, autoload=True) tasks = for task in tasks: values = { 'task_id':, 'input': task.input, 'result': task.result, 'message': task.message, } task_info_table.insert(values=values).execute() for col_name in TASKS_MIGRATE_COLUMNS: tasks_table.columns[col_name].drop()

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