d523d3651d
Remove further reference to oslo-incubator database layer which itself uses oslo.config and remove its dependencies and resync with oslo-incubator after applying these changes. Implements blueprint eliminate-oslo-cfg Change-Id: Ie1ee7affae75c60833c012c921e50d7b14026101
97 lines
3.1 KiB
Python
97 lines
3.1 KiB
Python
# -*- coding: utf-8 -*-
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# vim: tabstop=4 shiftwidth=4 softtabstop=4
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# Copyright (C) 2012 Yahoo! Inc. All Rights Reserved.
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# Copyright (C) 2013 Rackspace Hosting Inc. All Rights Reserved.
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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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from sqlalchemy import Column, String, DateTime
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from sqlalchemy.ext.declarative import declarative_base
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from sqlalchemy import ForeignKey
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from sqlalchemy.orm import backref
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from sqlalchemy.orm import relationship
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from sqlalchemy import types as types
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from taskflow.openstack.common import jsonutils
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from taskflow.openstack.common import timeutils
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from taskflow.openstack.common import uuidutils
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BASE = declarative_base()
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# TODO(harlowja): remove when oslo.db exists
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class TimestampMixin(object):
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created_at = Column(DateTime, default=timeutils.utcnow)
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updated_at = Column(DateTime, onupdate=timeutils.utcnow)
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class Json(types.TypeDecorator, types.MutableType):
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impl = types.Text
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def process_bind_param(self, value, dialect):
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return jsonutils.dumps(value)
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def process_result_value(self, value, dialect):
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return jsonutils.loads(value)
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class ModelBase(TimestampMixin):
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"""Base model for all taskflow objects"""
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uuid = Column(String, default=uuidutils.generate_uuid,
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primary_key=True, nullable=False, unique=True)
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name = Column(String, nullable=True)
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meta = Column(Json, nullable=True)
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class LogBook(BASE, ModelBase):
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"""Represents a logbook for a set of flows"""
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__tablename__ = 'logbooks'
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# Relationships
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flowdetails = relationship("FlowDetail",
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single_parent=True,
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backref=backref("logbooks",
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cascade="save-update, delete, "
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"merge"))
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class FlowDetail(BASE, ModelBase):
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__tablename__ = 'flowdetails'
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# Member variables
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state = Column(String)
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# Relationships
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parent_uuid = Column(String, ForeignKey('logbooks.uuid'))
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taskdetails = relationship("TaskDetail",
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single_parent=True,
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backref=backref("flowdetails",
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cascade="save-update, delete, "
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"merge"))
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class TaskDetail(BASE, ModelBase):
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__tablename__ = 'taskdetails'
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# Member variables
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state = Column(String)
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results = Column(Json)
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exception = Column(Json)
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stacktrace = Column(Json)
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version = Column(String)
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# Relationships
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parent_uuid = Column(String, ForeignKey('flowdetails.uuid'))
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