a3fe3eb698
When a atom is reverted it can be useful to retain the result of that 'revert' method being called, so that it can be later analyzed (or used for various purposes) so adjust the storage, and actions to enable it to be stored. Change-Id: I38a9a5f3bf7550e924468bb4a86652cb8beb306c
102 lines
4.4 KiB
Python
102 lines
4.4 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright (C) 2014 Yahoo! 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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import collections
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from oslo_serialization import jsonutils
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from oslo_utils import timeutils
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from oslo_utils import uuidutils
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from sqlalchemy import Table, Column, String, ForeignKey, DateTime, Enum
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from sqlalchemy import types
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from taskflow.persistence import models
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from taskflow import states
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Tables = collections.namedtuple('Tables',
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['logbooks', 'flowdetails', 'atomdetails'])
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# Column length limits...
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NAME_LENGTH = 255
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UUID_LENGTH = 64
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STATE_LENGTH = 255
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VERSION_LENGTH = 64
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class Json(types.TypeDecorator):
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impl = types.Text
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def process_bind_param(self, value, dialect):
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if not value:
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return None
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return jsonutils.dumps(value)
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def process_result_value(self, value, dialect):
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if not value:
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return None
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return jsonutils.loads(value)
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def fetch(metadata):
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"""Returns the master set of table objects (which is also there schema)."""
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logbooks = Table('logbooks', metadata,
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Column('created_at', DateTime,
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default=timeutils.utcnow),
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Column('updated_at', DateTime,
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onupdate=timeutils.utcnow),
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Column('meta', Json),
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Column('name', String(length=NAME_LENGTH)),
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Column('uuid', String(length=UUID_LENGTH),
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primary_key=True, nullable=False, unique=True,
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default=uuidutils.generate_uuid))
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flowdetails = Table('flowdetails', metadata,
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Column('created_at', DateTime,
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default=timeutils.utcnow),
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Column('updated_at', DateTime,
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onupdate=timeutils.utcnow),
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Column('parent_uuid', String(length=UUID_LENGTH),
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ForeignKey('logbooks.uuid',
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ondelete='CASCADE')),
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Column('meta', Json),
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Column('name', String(length=NAME_LENGTH)),
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Column('state', String(length=STATE_LENGTH)),
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Column('uuid', String(length=UUID_LENGTH),
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primary_key=True, nullable=False, unique=True,
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default=uuidutils.generate_uuid))
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atomdetails = Table('atomdetails', metadata,
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Column('created_at', DateTime,
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default=timeutils.utcnow),
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Column('updated_at', DateTime,
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onupdate=timeutils.utcnow),
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Column('meta', Json),
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Column('parent_uuid', String(length=UUID_LENGTH),
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ForeignKey('flowdetails.uuid',
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ondelete='CASCADE')),
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Column('name', String(length=NAME_LENGTH)),
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Column('version', String(length=VERSION_LENGTH)),
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Column('state', String(length=STATE_LENGTH)),
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Column('uuid', String(length=UUID_LENGTH),
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primary_key=True, nullable=False, unique=True,
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default=uuidutils.generate_uuid),
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Column('failure', Json),
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Column('results', Json),
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Column('revert_results', Json),
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Column('revert_failure', Json),
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Column('atom_type', Enum(*models.ATOM_TYPES,
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name='atom_types')),
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Column('intention', Enum(*states.INTENTIONS,
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name='intentions')))
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return Tables(logbooks, flowdetails, atomdetails)
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