246 lines
9.1 KiB
Python
246 lines
9.1 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
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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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"""
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SQLAlchemy models for heat data.
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"""
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import uuid
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import sqlalchemy
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from sqlalchemy.orm import relationship, backref
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from sqlalchemy.ext.declarative import declarative_base
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from heat.openstack.common import timeutils
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from heat.openstack.common.db.sqlalchemy import models
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from heat.openstack.common.db.sqlalchemy import session
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from sqlalchemy.orm.session import Session
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from heat.db.sqlalchemy.types import Json
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BASE = declarative_base()
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get_session = session.get_session
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class HeatBase(models.ModelBase, models.TimestampMixin):
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"""Base class for Heat Models."""
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__table_args__ = {'mysql_engine': 'InnoDB'}
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def expire(self, session=None, attrs=None):
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"""Expire this object ()."""
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if not session:
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session = Session.object_session(self)
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if not session:
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session = get_session()
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session.expire(self, attrs)
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def refresh(self, session=None, attrs=None):
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"""Refresh this object."""
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if not session:
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session = Session.object_session(self)
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if not session:
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session = get_session()
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session.refresh(self, attrs)
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def delete(self, session=None):
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"""Delete this object."""
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if not session:
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session = Session.object_session(self)
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if not session:
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session = get_session()
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session.delete(self)
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session.flush()
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def update_and_save(self, values, session=None):
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if not session:
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session = Session.object_session(self)
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if not session:
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session = get_session()
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session.begin()
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for k, v in values.iteritems():
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setattr(self, k, v)
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session.commit()
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class SoftDelete(object):
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deleted_at = sqlalchemy.Column(sqlalchemy.DateTime)
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def soft_delete(self, session=None):
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"""Mark this object as deleted."""
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self.update_and_save({'deleted_at': timeutils.utcnow()},
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session=session)
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class RawTemplate(BASE, HeatBase):
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"""Represents an unparsed template which should be in JSON format."""
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__tablename__ = 'raw_template'
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id = sqlalchemy.Column(sqlalchemy.Integer, primary_key=True)
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template = sqlalchemy.Column(Json)
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class Stack(BASE, HeatBase, SoftDelete):
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"""Represents a stack created by the heat engine."""
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__tablename__ = 'stack'
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id = sqlalchemy.Column(sqlalchemy.String(36), primary_key=True,
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default=lambda: str(uuid.uuid4()))
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name = sqlalchemy.Column(sqlalchemy.String(255))
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raw_template_id = sqlalchemy.Column(
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sqlalchemy.Integer,
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sqlalchemy.ForeignKey('raw_template.id'),
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nullable=False)
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raw_template = relationship(RawTemplate, backref=backref('stack'))
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username = sqlalchemy.Column(sqlalchemy.String(256))
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tenant = sqlalchemy.Column(sqlalchemy.String(256))
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action = sqlalchemy.Column('action', sqlalchemy.String(255))
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status = sqlalchemy.Column('status', sqlalchemy.String(255))
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status_reason = sqlalchemy.Column('status_reason', sqlalchemy.String(255))
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parameters = sqlalchemy.Column('parameters', Json)
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user_creds_id = sqlalchemy.Column(
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sqlalchemy.Integer,
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sqlalchemy.ForeignKey('user_creds.id'),
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nullable=False)
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owner_id = sqlalchemy.Column(sqlalchemy.String(36), nullable=True)
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timeout = sqlalchemy.Column(sqlalchemy.Integer)
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disable_rollback = sqlalchemy.Column(sqlalchemy.Boolean, nullable=False)
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class StackLock(BASE, HeatBase):
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"""Store stack locks for deployments with multiple-engines."""
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__tablename__ = 'stack_lock'
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stack_id = sqlalchemy.Column(sqlalchemy.String(36),
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sqlalchemy.ForeignKey('stack.id'),
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primary_key=True)
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engine_id = sqlalchemy.Column(sqlalchemy.String(36))
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class UserCreds(BASE, HeatBase):
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"""
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Represents user credentials and mirrors the 'context'
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handed in by wsgi.
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"""
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__tablename__ = 'user_creds'
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id = sqlalchemy.Column(sqlalchemy.Integer, primary_key=True)
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username = sqlalchemy.Column(sqlalchemy.String(255))
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password = sqlalchemy.Column(sqlalchemy.String(255))
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decrypt_method = sqlalchemy.Column(sqlalchemy.String(64))
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tenant = sqlalchemy.Column(sqlalchemy.String(1024))
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auth_url = sqlalchemy.Column(sqlalchemy.String)
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tenant_id = sqlalchemy.Column(sqlalchemy.String(256))
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trust_id = sqlalchemy.Column(sqlalchemy.String(255))
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trustor_user_id = sqlalchemy.Column(sqlalchemy.String(64))
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stack = relationship(Stack, backref=backref('user_creds'))
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class Event(BASE, HeatBase):
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"""Represents an event generated by the heat engine."""
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__tablename__ = 'event'
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id = sqlalchemy.Column(sqlalchemy.String(36), primary_key=True,
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default=lambda: str(uuid.uuid4()))
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stack_id = sqlalchemy.Column(sqlalchemy.String(36),
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sqlalchemy.ForeignKey('stack.id'),
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nullable=False)
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stack = relationship(Stack, backref=backref('events'))
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resource_action = sqlalchemy.Column(sqlalchemy.String(255))
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resource_status = sqlalchemy.Column(sqlalchemy.String(255))
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resource_name = sqlalchemy.Column(sqlalchemy.String(255))
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physical_resource_id = sqlalchemy.Column(sqlalchemy.String(255))
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resource_status_reason = sqlalchemy.Column(sqlalchemy.String(255))
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resource_type = sqlalchemy.Column(sqlalchemy.String(255))
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resource_properties = sqlalchemy.Column(sqlalchemy.PickleType)
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class ResourceData(BASE, HeatBase):
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"""Key/value store of arbitrary, resource-specific data."""
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__tablename__ = 'resource_data'
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id = sqlalchemy.Column('id',
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sqlalchemy.Integer,
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primary_key=True,
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nullable=False)
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key = sqlalchemy.Column('key', sqlalchemy.String(255))
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value = sqlalchemy.Column('value', sqlalchemy.String)
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redact = sqlalchemy.Column('redact', sqlalchemy.Boolean)
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decrypt_method = sqlalchemy.Column(sqlalchemy.String(64))
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resource_id = sqlalchemy.Column('resource_id',
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sqlalchemy.String(36),
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sqlalchemy.ForeignKey('resource.id'),
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nullable=False)
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class Resource(BASE, HeatBase):
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"""Represents a resource created by the heat engine."""
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__tablename__ = 'resource'
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id = sqlalchemy.Column(sqlalchemy.String(36),
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primary_key=True,
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default=lambda: str(uuid.uuid4()))
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action = sqlalchemy.Column('action', sqlalchemy.String(255))
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status = sqlalchemy.Column('status', sqlalchemy.String(255))
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name = sqlalchemy.Column('name', sqlalchemy.String(255), nullable=True)
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nova_instance = sqlalchemy.Column('nova_instance', sqlalchemy.String(255))
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status_reason = sqlalchemy.Column('status_reason', sqlalchemy.String(255))
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# odd name as "metadata" is reserved
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rsrc_metadata = sqlalchemy.Column('rsrc_metadata', Json)
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stack_id = sqlalchemy.Column(sqlalchemy.String(36),
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sqlalchemy.ForeignKey('stack.id'),
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nullable=False)
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stack = relationship(Stack, backref=backref('resources'))
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data = relationship(ResourceData,
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cascade="all,delete",
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backref=backref('resource'))
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class WatchRule(BASE, HeatBase):
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"""Represents a watch_rule created by the heat engine."""
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__tablename__ = 'watch_rule'
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id = sqlalchemy.Column(sqlalchemy.Integer, primary_key=True)
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name = sqlalchemy.Column('name', sqlalchemy.String(255), nullable=True)
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rule = sqlalchemy.Column('rule', Json)
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state = sqlalchemy.Column('state', sqlalchemy.String(255))
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last_evaluated = sqlalchemy.Column(sqlalchemy.DateTime,
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default=timeutils.utcnow)
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stack_id = sqlalchemy.Column(sqlalchemy.String(36),
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sqlalchemy.ForeignKey('stack.id'),
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nullable=False)
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stack = relationship(Stack, backref=backref('watch_rule'))
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class WatchData(BASE, HeatBase):
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"""Represents a watch_data created by the heat engine."""
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__tablename__ = 'watch_data'
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id = sqlalchemy.Column(sqlalchemy.Integer, primary_key=True)
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data = sqlalchemy.Column('data', Json)
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watch_rule_id = sqlalchemy.Column(
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sqlalchemy.Integer,
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sqlalchemy.ForeignKey('watch_rule.id'),
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nullable=False)
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watch_rule = relationship(WatchRule, backref=backref('watch_data'))
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