1261 lines
39 KiB
Python
1261 lines
39 KiB
Python
# Copyright (c) 2011 X.commerce, a business unit of eBay Inc.
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# Copyright 2010 United States Government as represented by the
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# Administrator of the National Aeronautics and Space Administration.
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# Copyright 2011 Piston Cloud Computing, Inc.
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# 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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"""
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SQLAlchemy models for cinder data.
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"""
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from oslo_config import cfg
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from oslo_db.sqlalchemy import models
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from oslo_utils import timeutils
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import sqlalchemy as sa
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# imports needed for cinderlib
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from sqlalchemy import Column, String, Text # noqa: F401
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from sqlalchemy.ext.declarative import declarative_base
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from sqlalchemy import func
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from sqlalchemy import schema
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from sqlalchemy.sql import expression
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from sqlalchemy.orm import backref, column_property, relationship, validates
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CONF = cfg.CONF
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BASE = declarative_base()
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class CinderBase(models.TimestampMixin, models.ModelBase):
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"""Base class for Cinder Models."""
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__table_args__ = {'mysql_engine': 'InnoDB'}
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# TODO(rpodolyaka): reuse models.SoftDeleteMixin in the next stage
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# of implementing of BP db-cleanup
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deleted_at = sa.Column(sa.DateTime)
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deleted = sa.Column(sa.Boolean, default=False)
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metadata = None
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@staticmethod
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def delete_values():
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return {'deleted': True, 'deleted_at': timeutils.utcnow()}
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def delete(self, session):
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"""Delete this object."""
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updated_values = self.delete_values()
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updated_values['updated_at'] = self.updated_at
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self.update(updated_values)
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self.save(session=session)
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del updated_values['updated_at']
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return updated_values
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class Service(BASE, CinderBase):
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"""Represents a running service on a host."""
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__tablename__ = 'services'
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__table_args__ = (
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sa.Index('services_uuid_idx', 'uuid', unique=True),
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CinderBase.__table_args__,
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)
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id = sa.Column(sa.Integer, primary_key=True)
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uuid = sa.Column(sa.String(36), nullable=True)
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cluster_name = sa.Column(sa.String(255), nullable=True)
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host = sa.Column(sa.String(255)) # , sa.ForeignKey('hosts.id'))
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binary = sa.Column(sa.String(255))
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# We want to overwrite default updated_at definition so we timestamp at
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# creation as well, so we only need to check updated_at for the heartbeat
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updated_at = sa.Column(
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sa.DateTime, default=timeutils.utcnow, onupdate=timeutils.utcnow
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)
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topic = sa.Column(sa.String(255))
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report_count = sa.Column(sa.Integer, nullable=False, default=0)
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disabled = sa.Column(sa.Boolean, default=False)
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availability_zone = sa.Column(sa.String(255), default='cinder')
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disabled_reason = sa.Column(sa.String(255))
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# adding column modified_at to contain timestamp
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# for manual enable/disable of cinder services
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# updated_at column will now contain timestamps for
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# periodic updates
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modified_at = sa.Column(sa.DateTime)
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# Version columns to support rolling upgrade. These report the max RPC API
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# and objects versions that the manager of the service is able to support.
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rpc_current_version = sa.Column(sa.String(36))
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object_current_version = sa.Column(sa.String(36))
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# replication_status can be: enabled, disabled, not-capable, error,
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# failed-over or not-configured
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replication_status = sa.Column(sa.String(36), default="not-capable")
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active_backend_id = sa.Column(sa.String(255))
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# TODO(stephenfin): Add nullable=False
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frozen = sa.Column(sa.Boolean, default=False)
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cluster = relationship(
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'Cluster',
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backref='services',
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foreign_keys=cluster_name,
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primaryjoin='and_('
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'Service.cluster_name == Cluster.name,'
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'Service.deleted == False)',
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)
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class Cluster(BASE, CinderBase):
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"""Represents a cluster of hosts."""
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__tablename__ = 'clusters'
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# To remove potential races on creation we have a constraint set on name
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# and race_preventer fields, and we set value on creation to 0, so 2
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# clusters with the same name will fail this constraint. On deletion we
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# change this field to the same value as the id which will be unique and
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# will not conflict with the creation of another cluster with the same
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# name.
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__table_args__ = (
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sa.UniqueConstraint('name', 'binary', 'race_preventer'),
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CinderBase.__table_args__,
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)
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id = sa.Column(sa.Integer, primary_key=True)
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# NOTE(geguileo): Name is constructed in the same way that Server.host but
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# using cluster configuration option instead of host.
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name = sa.Column(sa.String(255), nullable=False)
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binary = sa.Column(sa.String(255), nullable=False)
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disabled = sa.Column(sa.Boolean, default=False)
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disabled_reason = sa.Column(sa.String(255))
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race_preventer = sa.Column(sa.Integer, nullable=False, default=0)
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replication_status = sa.Column(sa.String(36), default="not-capable")
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active_backend_id = sa.Column(sa.String(255))
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frozen = sa.Column(
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sa.Boolean,
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nullable=False,
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default=False,
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server_default=expression.false(),
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)
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# Last heartbeat reported by any of the services of this cluster. This is
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# not deferred since we always want to load this field.
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last_heartbeat = column_property(
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sa.select([func.max(Service.updated_at)])
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.where(sa.and_(Service.cluster_name == name, ~Service.deleted))
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.correlate_except(Service),
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deferred=False,
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)
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# Number of existing services for this cluster
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num_hosts = column_property(
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sa.select([func.count(Service.id)])
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.where(sa.and_(Service.cluster_name == name, ~Service.deleted))
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.correlate_except(Service),
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group='services_summary',
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deferred=True,
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)
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# Number of services that are down for this cluster
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num_down_hosts = column_property(
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sa.select([func.count(Service.id)])
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.where(
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sa.and_(
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Service.cluster_name == name,
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~Service.deleted,
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Service.updated_at < sa.bindparam('expired'),
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)
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)
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.correlate_except(Service),
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group='services_summary',
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deferred=True,
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)
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@staticmethod
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def delete_values():
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return {
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'race_preventer': Cluster.id,
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'deleted': True,
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'deleted_at': timeutils.utcnow(),
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}
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class ConsistencyGroup(BASE, CinderBase):
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"""Represents a consistencygroup."""
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__tablename__ = 'consistencygroups'
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id = sa.Column(sa.String(36), primary_key=True)
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# TODO(stephenfin): Add nullable=False
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user_id = sa.Column(sa.String(255))
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project_id = sa.Column(sa.String(255))
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cluster_name = sa.Column(sa.String(255), nullable=True)
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host = sa.Column(sa.String(255))
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availability_zone = sa.Column(sa.String(255))
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name = sa.Column(sa.String(255))
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description = sa.Column(sa.String(255))
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volume_type_id = sa.Column(sa.String(255))
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status = sa.Column(sa.String(255))
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cgsnapshot_id = sa.Column(sa.String(36))
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source_cgid = sa.Column(sa.String(36))
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class Group(BASE, CinderBase):
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"""Represents a generic volume group."""
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__tablename__ = 'groups'
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id = sa.Column(sa.String(36), primary_key=True)
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# TODO(stephenfin): Add nullable=False
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user_id = sa.Column(sa.String(255))
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project_id = sa.Column(sa.String(255))
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cluster_name = sa.Column(sa.String(255))
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host = sa.Column(sa.String(255))
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availability_zone = sa.Column(sa.String(255))
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name = sa.Column(sa.String(255))
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description = sa.Column(sa.String(255))
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status = sa.Column(sa.String(255))
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group_type_id = sa.Column(sa.String(36))
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group_snapshot_id = sa.Column(sa.String(36))
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source_group_id = sa.Column(sa.String(36))
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replication_status = sa.Column(sa.String(255))
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class CGSnapshot(BASE, CinderBase):
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"""Represents a cgsnapshot."""
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__tablename__ = 'cgsnapshots'
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id = sa.Column(sa.String(36), primary_key=True)
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consistencygroup_id = sa.Column(
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sa.String(36),
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sa.ForeignKey('consistencygroups.id'),
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nullable=False,
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index=True,
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)
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# TODO(stephenfin): Add nullable=False
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user_id = sa.Column(sa.String(255))
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project_id = sa.Column(sa.String(255))
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name = sa.Column(sa.String(255))
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description = sa.Column(sa.String(255))
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status = sa.Column(sa.String(255))
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consistencygroup = relationship(
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ConsistencyGroup,
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backref="cgsnapshots",
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foreign_keys=consistencygroup_id,
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primaryjoin='CGSnapshot.consistencygroup_id == ConsistencyGroup.id',
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)
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class GroupSnapshot(BASE, CinderBase):
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"""Represents a group snapshot."""
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__tablename__ = 'group_snapshots'
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id = sa.Column(sa.String(36), primary_key=True)
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group_id = sa.Column(
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'group_id',
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sa.String(36),
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sa.ForeignKey('groups.id'),
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nullable=False,
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index=True,
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)
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user_id = sa.Column(sa.String(255))
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project_id = sa.Column(sa.String(255))
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name = sa.Column(sa.String(255))
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description = sa.Column(sa.String(255))
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status = sa.Column(sa.String(255))
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group_type_id = sa.Column(sa.String(36))
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group = relationship(
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Group,
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backref="group_snapshots",
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foreign_keys=group_id,
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primaryjoin='GroupSnapshot.group_id == Group.id',
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)
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class Volume(BASE, CinderBase):
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"""Represents a block storage device that can be attached to a vm."""
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__tablename__ = 'volumes'
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__table_args__ = (
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sa.Index('volumes_service_uuid_idx', 'deleted', 'service_uuid'),
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CinderBase.__table_args__,
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)
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id = sa.Column(sa.String(36), primary_key=True)
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_name_id = sa.Column(sa.String(36)) # Don't access/modify this directly!
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# TODO: (Y release) Change nullable to False
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use_quota = Column(
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sa.Boolean,
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nullable=True,
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default=True,
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doc='Ignore volume in quota usage',
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)
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@property
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def name_id(self):
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return self.id if not self._name_id else self._name_id
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@name_id.setter
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def name_id(self, value):
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self._name_id = value
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@property
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def name(self):
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return CONF.volume_name_template % self.name_id
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ec2_id = sa.Column(sa.String(255))
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user_id = sa.Column(sa.String(255))
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project_id = sa.Column(sa.String(255))
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snapshot_id = sa.Column(sa.String(36))
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cluster_name = sa.Column(sa.String(255), nullable=True)
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host = sa.Column(sa.String(255)) # , sa.ForeignKey('hosts.id'))
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size = sa.Column(sa.Integer)
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availability_zone = sa.Column(sa.String(255)) # TODO(vish): foreign key?
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status = sa.Column(sa.String(255)) # TODO(vish): enum?
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attach_status = sa.Column(sa.String(255)) # TODO(vish): enum
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migration_status = sa.Column(sa.String(255))
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scheduled_at = sa.Column(sa.DateTime)
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launched_at = sa.Column(sa.DateTime)
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terminated_at = sa.Column(sa.DateTime)
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display_name = sa.Column(sa.String(255))
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display_description = sa.Column(sa.String(255))
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provider_location = sa.Column(sa.String(256))
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provider_auth = sa.Column(sa.String(256))
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provider_geometry = sa.Column(sa.String(255))
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provider_id = sa.Column(sa.String(255))
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volume_type_id = sa.Column(sa.String(36), nullable=False)
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source_volid = sa.Column(sa.String(36))
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encryption_key_id = sa.Column(sa.String(36))
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consistencygroup_id = sa.Column(
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sa.String(36),
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sa.ForeignKey('consistencygroups.id'),
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index=True,
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)
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group_id = sa.Column(
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'group_id',
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sa.String(36),
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sa.ForeignKey('groups.id'),
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index=True,
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)
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bootable = sa.Column(sa.Boolean, default=False)
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multiattach = sa.Column(sa.Boolean, default=False)
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replication_status = sa.Column(sa.String(255))
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replication_extended_status = sa.Column(sa.String(255))
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replication_driver_data = sa.Column(sa.String(255))
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previous_status = sa.Column(sa.String(255))
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consistencygroup = relationship(
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ConsistencyGroup,
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backref="volumes",
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foreign_keys=consistencygroup_id,
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primaryjoin='Volume.consistencygroup_id == ConsistencyGroup.id',
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)
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group = relationship(
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Group,
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backref="volumes",
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foreign_keys=group_id,
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primaryjoin='Volume.group_id == Group.id',
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)
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service_uuid = sa.Column(
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sa.String(36),
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sa.ForeignKey('services.uuid'),
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nullable=True,
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)
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service = relationship(
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Service,
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backref="volumes",
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foreign_keys=service_uuid,
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primaryjoin='Volume.service_uuid == Service.uuid',
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)
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# make an FK of service?
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shared_targets = sa.Column(sa.Boolean, default=True)
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class VolumeMetadata(BASE, CinderBase):
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"""Represents a metadata key/value pair for a volume."""
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__tablename__ = 'volume_metadata'
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id = sa.Column(sa.Integer, primary_key=True)
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key = sa.Column(sa.String(255))
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value = sa.Column(sa.String(255))
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volume_id = sa.Column(
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sa.String(36), sa.ForeignKey('volumes.id'), nullable=False, index=True
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)
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volume = relationship(
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Volume,
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backref="volume_metadata",
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foreign_keys=volume_id,
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primaryjoin='and_('
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'VolumeMetadata.volume_id == Volume.id,'
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'VolumeMetadata.deleted == False)',
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)
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class VolumeAdminMetadata(BASE, CinderBase):
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"""Represents an administrator metadata key/value pair for a volume."""
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__tablename__ = 'volume_admin_metadata'
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id = sa.Column(sa.Integer, primary_key=True)
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key = sa.Column(sa.String(255))
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value = sa.Column(sa.String(255))
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volume_id = sa.Column(
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sa.String(36), sa.ForeignKey('volumes.id'), nullable=False, index=True
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)
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volume = relationship(
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Volume,
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backref="volume_admin_metadata",
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foreign_keys=volume_id,
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primaryjoin='and_('
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'VolumeAdminMetadata.volume_id == Volume.id,'
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'VolumeAdminMetadata.deleted == False)',
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)
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class VolumeAttachment(BASE, CinderBase):
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"""Represents a volume attachment for a vm."""
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__tablename__ = 'volume_attachment'
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id = sa.Column(sa.String(36), primary_key=True)
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volume_id = sa.Column(
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sa.String(36), sa.ForeignKey('volumes.id'), nullable=False, index=True
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)
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volume = relationship(
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Volume,
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backref="volume_attachment",
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foreign_keys=volume_id,
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primaryjoin='and_('
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'VolumeAttachment.volume_id == Volume.id,'
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'VolumeAttachment.deleted == False)',
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)
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instance_uuid = sa.Column(sa.String(36))
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attached_host = sa.Column(sa.String(255))
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mountpoint = sa.Column(sa.String(255))
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attach_time = sa.Column(sa.DateTime)
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detach_time = sa.Column(sa.DateTime)
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attach_status = sa.Column(sa.String(255))
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attach_mode = sa.Column(sa.String(36))
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connection_info = sa.Column(sa.Text)
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# Stores a serialized json dict of host connector information from brick.
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connector = sa.Column(sa.Text)
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@staticmethod
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def delete_values():
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now = timeutils.utcnow()
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return {'deleted': True,
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'deleted_at': now,
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'attach_status': 'detached',
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'detach_time': now}
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class VolumeType(BASE, CinderBase):
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"""Represent possible volume_types of volumes offered."""
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__tablename__ = "volume_types"
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id = sa.Column(sa.String(36), primary_key=True)
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name = sa.Column(sa.String(255))
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description = sa.Column(sa.String(255))
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# A reference to qos_specs entity
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qos_specs_id = sa.Column(
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sa.String(36), sa.ForeignKey('quality_of_service_specs.id'), index=True
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)
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is_public = sa.Column(sa.Boolean, default=True)
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volumes = relationship(
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Volume,
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backref=backref('volume_type', uselist=False),
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foreign_keys=id,
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primaryjoin='and_('
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'Volume.volume_type_id == VolumeType.id, '
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'VolumeType.deleted == False)',
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)
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|
|
class GroupType(BASE, CinderBase):
|
|
"""Represent possible group_types of groups offered."""
|
|
|
|
__tablename__ = "group_types"
|
|
|
|
id = sa.Column(sa.String(36), primary_key=True)
|
|
name = sa.Column(sa.String(255), nullable=False)
|
|
description = sa.Column(sa.String(255))
|
|
is_public = sa.Column(sa.Boolean, default=True)
|
|
groups = relationship(
|
|
Group,
|
|
backref=backref('group_type', uselist=False),
|
|
foreign_keys=id,
|
|
primaryjoin='and_('
|
|
'Group.group_type_id == GroupType.id, '
|
|
'GroupType.deleted == False)',
|
|
)
|
|
|
|
|
|
class GroupVolumeTypeMapping(BASE, CinderBase):
|
|
"""Represent mapping between groups and volume_types."""
|
|
|
|
__tablename__ = "group_volume_type_mapping"
|
|
|
|
id = sa.Column(sa.Integer, primary_key=True, nullable=False)
|
|
volume_type_id = sa.Column(
|
|
sa.String(36),
|
|
sa.ForeignKey('volume_types.id'),
|
|
nullable=False,
|
|
index=True,
|
|
)
|
|
group_id = sa.Column(
|
|
sa.String(36), sa.ForeignKey('groups.id'), nullable=False, index=True
|
|
)
|
|
|
|
group = relationship(
|
|
Group,
|
|
backref="volume_types",
|
|
foreign_keys=group_id,
|
|
primaryjoin='and_('
|
|
'GroupVolumeTypeMapping.group_id == Group.id,'
|
|
'GroupVolumeTypeMapping.deleted == False)',
|
|
)
|
|
|
|
|
|
class VolumeTypeProjects(BASE, CinderBase):
|
|
"""Represent projects associated volume_types."""
|
|
|
|
__tablename__ = "volume_type_projects"
|
|
__table_args__ = (
|
|
schema.UniqueConstraint(
|
|
"volume_type_id",
|
|
"project_id",
|
|
"deleted",
|
|
),
|
|
CinderBase.__table_args__,
|
|
)
|
|
|
|
id = sa.Column(sa.Integer, primary_key=True)
|
|
# TODO(stephenfin): Add nullable=False
|
|
volume_type_id = sa.Column(
|
|
sa.String(36), sa.ForeignKey('volume_types.id'),
|
|
)
|
|
project_id = sa.Column(sa.String(255))
|
|
deleted = sa.Column(sa.Integer, default=0)
|
|
|
|
volume_type = relationship(
|
|
VolumeType,
|
|
backref="projects",
|
|
foreign_keys=volume_type_id,
|
|
primaryjoin='and_('
|
|
'VolumeTypeProjects.volume_type_id == VolumeType.id,'
|
|
'VolumeTypeProjects.deleted == 0)',
|
|
)
|
|
|
|
|
|
class GroupTypeProjects(BASE, CinderBase):
|
|
"""Represent projects associated group_types."""
|
|
|
|
__tablename__ = "group_type_projects"
|
|
__table_args__ = (
|
|
sa.UniqueConstraint('group_type_id', 'project_id', 'deleted'),
|
|
CinderBase.__table_args__,
|
|
)
|
|
|
|
id = sa.Column(sa.Integer, primary_key=True)
|
|
# TODO(stephenfin): Add nullable=False
|
|
group_type_id = sa.Column(
|
|
sa.String(36), sa.ForeignKey('group_types.id'),
|
|
)
|
|
project_id = sa.Column(sa.String(255))
|
|
|
|
group_type = relationship(
|
|
GroupType,
|
|
backref="projects",
|
|
foreign_keys=group_type_id,
|
|
primaryjoin='and_('
|
|
'GroupTypeProjects.group_type_id == GroupType.id,'
|
|
'GroupTypeProjects.deleted == False)',
|
|
)
|
|
|
|
|
|
class VolumeTypeExtraSpecs(BASE, CinderBase):
|
|
"""Represents additional specs as key/value pairs for a volume_type."""
|
|
|
|
__tablename__ = 'volume_type_extra_specs'
|
|
|
|
id = sa.Column(sa.Integer, primary_key=True)
|
|
key = sa.Column(sa.String(255))
|
|
value = sa.Column(sa.String(255))
|
|
volume_type_id = sa.Column(
|
|
sa.String(36),
|
|
sa.ForeignKey('volume_types.id'),
|
|
nullable=False,
|
|
index=True,
|
|
)
|
|
volume_type = relationship(
|
|
VolumeType,
|
|
backref="extra_specs",
|
|
foreign_keys=volume_type_id,
|
|
primaryjoin='and_('
|
|
'VolumeTypeExtraSpecs.volume_type_id == VolumeType.id,'
|
|
'VolumeTypeExtraSpecs.deleted == False)',
|
|
)
|
|
|
|
|
|
class GroupTypeSpecs(BASE, CinderBase):
|
|
"""Represents additional specs as key/value pairs for a group_type."""
|
|
|
|
__tablename__ = 'group_type_specs'
|
|
|
|
id = sa.Column(sa.Integer, primary_key=True)
|
|
key = sa.Column(sa.String(255))
|
|
value = sa.Column(sa.String(255))
|
|
group_type_id = sa.Column(
|
|
sa.String(36),
|
|
sa.ForeignKey('group_types.id'),
|
|
nullable=False,
|
|
index=True,
|
|
)
|
|
group_type = relationship(
|
|
GroupType,
|
|
backref="group_specs",
|
|
foreign_keys=group_type_id,
|
|
primaryjoin='and_('
|
|
'GroupTypeSpecs.group_type_id == GroupType.id,'
|
|
'GroupTypeSpecs.deleted == False)',
|
|
)
|
|
|
|
|
|
class DefaultVolumeTypes(BASE, CinderBase):
|
|
"""Represent projects associated volume_types."""
|
|
|
|
__tablename__ = "default_volume_types"
|
|
|
|
volume_type_id = sa.Column(
|
|
sa.String(36),
|
|
sa.ForeignKey('volume_types.id'),
|
|
index=True,
|
|
)
|
|
project_id = sa.Column(sa.String(255), primary_key=True)
|
|
volume_type = relationship(
|
|
VolumeType,
|
|
foreign_keys=volume_type_id,
|
|
primaryjoin='DefaultVolumeTypes.volume_type_id == VolumeType.id',
|
|
)
|
|
|
|
|
|
class QualityOfServiceSpecs(BASE, CinderBase):
|
|
"""Represents QoS specs as key/value pairs.
|
|
|
|
QoS specs is standalone entity that can be associated/disassociated
|
|
with volume types (one to many relation). Adjacency list relationship
|
|
pattern is used in this model in order to represent following hierarchical
|
|
data with in flat table, e.g, following structure:
|
|
|
|
.. code-block:: none
|
|
|
|
qos-specs-1 'Rate-Limit'
|
|
|
|
|
+------> consumer = 'front-end'
|
|
+------> total_bytes_sec = 1048576
|
|
+------> total_iops_sec = 500
|
|
|
|
qos-specs-2 'QoS_Level1'
|
|
|
|
|
+------> consumer = 'back-end'
|
|
+------> max-iops = 1000
|
|
+------> min-iops = 200
|
|
|
|
is represented by:
|
|
|
|
id specs_id key value
|
|
------ -------- ------------- -----
|
|
UUID-1 NULL QoSSpec_Name Rate-Limit
|
|
UUID-2 UUID-1 consumer front-end
|
|
UUID-3 UUID-1 total_bytes_sec 1048576
|
|
UUID-4 UUID-1 total_iops_sec 500
|
|
UUID-5 NULL QoSSpec_Name QoS_Level1
|
|
UUID-6 UUID-5 consumer back-end
|
|
UUID-7 UUID-5 max-iops 1000
|
|
UUID-8 UUID-5 min-iops 200
|
|
"""
|
|
|
|
__tablename__ = 'quality_of_service_specs'
|
|
|
|
id = sa.Column(sa.String(36), primary_key=True)
|
|
specs_id = sa.Column(sa.String(36), sa.ForeignKey(id), index=True)
|
|
key = sa.Column(sa.String(255))
|
|
value = sa.Column(sa.String(255))
|
|
|
|
specs = relationship(
|
|
"QualityOfServiceSpecs",
|
|
cascade="all, delete-orphan",
|
|
backref=backref("qos_spec", remote_side=id),
|
|
)
|
|
|
|
vol_types = relationship(
|
|
VolumeType,
|
|
backref=backref('qos_specs'),
|
|
foreign_keys=id,
|
|
primaryjoin='and_('
|
|
'or_(VolumeType.qos_specs_id == '
|
|
'QualityOfServiceSpecs.id,'
|
|
'VolumeType.qos_specs_id == '
|
|
'QualityOfServiceSpecs.specs_id),'
|
|
'QualityOfServiceSpecs.deleted == False)',
|
|
)
|
|
|
|
|
|
class VolumeGlanceMetadata(BASE, CinderBase):
|
|
"""Glance metadata for a bootable volume."""
|
|
|
|
__tablename__ = 'volume_glance_metadata'
|
|
|
|
id = sa.Column(sa.Integer, primary_key=True, nullable=False)
|
|
volume_id = sa.Column(
|
|
sa.String(36), sa.ForeignKey('volumes.id'), index=True
|
|
)
|
|
snapshot_id = sa.Column(
|
|
sa.String(36), sa.ForeignKey('snapshots.id'), index=True
|
|
)
|
|
key = sa.Column(sa.String(255))
|
|
value = sa.Column(sa.Text)
|
|
volume = relationship(
|
|
Volume,
|
|
backref="volume_glance_metadata",
|
|
foreign_keys=volume_id,
|
|
primaryjoin='and_('
|
|
'VolumeGlanceMetadata.volume_id == Volume.id,'
|
|
'VolumeGlanceMetadata.deleted == False)',
|
|
)
|
|
|
|
|
|
class Quota(BASE, CinderBase):
|
|
"""Represents a single quota override for a project.
|
|
|
|
If there is no row for a given project id and resource, then the
|
|
default for the quota class is used. If there is no row for a
|
|
given quota class and resource, then the default for the
|
|
deployment is used. If the row is present but the hard limit is
|
|
Null, then the resource is unlimited.
|
|
"""
|
|
|
|
__tablename__ = 'quotas'
|
|
|
|
id = sa.Column(sa.Integer, primary_key=True)
|
|
|
|
# TODO(stephenfin): Add index=True
|
|
project_id = sa.Column(sa.String(255))
|
|
|
|
resource = sa.Column(sa.String(255), nullable=False)
|
|
hard_limit = sa.Column(sa.Integer, nullable=True)
|
|
# TODO: (X release): Remove allocated, belonged to nested quotas
|
|
allocated = sa.Column(sa.Integer, default=0)
|
|
|
|
|
|
class QuotaClass(BASE, CinderBase):
|
|
"""Represents a single quota override for a quota class.
|
|
|
|
If there is no row for a given quota class and resource, then the
|
|
default for the deployment is used. If the row is present but the
|
|
hard limit is Null, then the resource is unlimited.
|
|
"""
|
|
|
|
__tablename__ = 'quota_classes'
|
|
|
|
id = sa.Column(sa.Integer, primary_key=True)
|
|
|
|
class_name = sa.Column(sa.String(255), index=True)
|
|
|
|
resource = sa.Column(sa.String(255))
|
|
hard_limit = sa.Column(sa.Integer, nullable=True)
|
|
|
|
|
|
class QuotaUsage(BASE, CinderBase):
|
|
"""Represents the current usage for a given resource."""
|
|
|
|
__tablename__ = 'quota_usages'
|
|
# NOTE: project_id and resource are not enough as unique constraint since
|
|
# we do soft deletes and there could be duplicated entries, so we add the
|
|
# race_preventer field.
|
|
__table_args__ = (
|
|
sa.Index('quota_usage_project_resource_idx', 'project_id', 'resource'),
|
|
sa.UniqueConstraint('project_id', 'resource', 'race_preventer'),
|
|
CinderBase.__table_args__,
|
|
)
|
|
|
|
id = sa.Column(sa.Integer, primary_key=True)
|
|
|
|
project_id = sa.Column(sa.String(255), index=True)
|
|
# TODO(stephenfin): Add index=True
|
|
resource = sa.Column(sa.String(300))
|
|
|
|
in_use = sa.Column(sa.Integer, nullable=False)
|
|
reserved = sa.Column(sa.Integer, nullable=False)
|
|
|
|
@property
|
|
def total(self):
|
|
return self.in_use + self.reserved
|
|
|
|
until_refresh = sa.Column(sa.Integer, nullable=True)
|
|
|
|
# To prevent races during creation on quota_reserve method
|
|
race_preventer = sa.Column(sa.Boolean, nullable=True, default=True)
|
|
|
|
@staticmethod
|
|
def delete_values():
|
|
res = CinderBase.delete_values()
|
|
res['race_preventer'] = None
|
|
return res
|
|
|
|
|
|
class Reservation(BASE, CinderBase):
|
|
"""Represents a resource reservation for quotas."""
|
|
|
|
__tablename__ = 'reservations'
|
|
__table_args__ = (
|
|
sa.Index('reservations_deleted_expire_idx', 'deleted', 'expire'),
|
|
sa.Index('reservations_deleted_uuid_idx', 'deleted', 'uuid'),
|
|
CinderBase.__table_args__,
|
|
)
|
|
|
|
id = sa.Column(sa.Integer, primary_key=True)
|
|
uuid = sa.Column(sa.String(36), nullable=False)
|
|
|
|
usage_id = sa.Column(
|
|
sa.Integer, sa.ForeignKey('quota_usages.id'), nullable=True, index=True
|
|
)
|
|
# TODO: (X release): Remove allocated_id, belonged to nested quotas
|
|
allocated_id = sa.Column(
|
|
sa.Integer, sa.ForeignKey('quotas.id'), nullable=True, index=True
|
|
)
|
|
|
|
project_id = sa.Column(sa.String(255), index=True)
|
|
resource = sa.Column(sa.String(255))
|
|
|
|
delta = sa.Column(sa.Integer, nullable=False)
|
|
# TODO(stephenfin): Add nullable=False
|
|
expire = sa.Column(sa.DateTime(timezone=False))
|
|
|
|
usage = relationship(
|
|
"QuotaUsage",
|
|
foreign_keys=usage_id,
|
|
primaryjoin='and_(Reservation.usage_id == QuotaUsage.id,'
|
|
'QuotaUsage.deleted == False)',
|
|
)
|
|
# TODO: (X release): Remove allocated_id, belonged to nested quotas
|
|
quota = relationship(
|
|
"Quota",
|
|
foreign_keys=allocated_id,
|
|
primaryjoin='and_(Reservation.allocated_id == Quota.id)',
|
|
)
|
|
|
|
|
|
class Snapshot(BASE, CinderBase):
|
|
"""Represents a snapshot of volume."""
|
|
|
|
__tablename__ = 'snapshots'
|
|
|
|
id = sa.Column(sa.String(36), primary_key=True)
|
|
# TODO: (Y release) Change nullable to False
|
|
use_quota = Column(
|
|
sa.Boolean,
|
|
nullable=True,
|
|
default=True,
|
|
doc='Ignore volume in quota usage',
|
|
)
|
|
|
|
@property
|
|
def name(self):
|
|
return CONF.snapshot_name_template % self.id
|
|
|
|
@property
|
|
def volume_name(self):
|
|
return self.volume.name # pylint: disable=E1101
|
|
|
|
user_id = sa.Column(sa.String(255))
|
|
project_id = sa.Column(sa.String(255))
|
|
|
|
volume_id = sa.Column(
|
|
sa.String(36),
|
|
sa.ForeignKey('volumes.id', name='snapshots_volume_id_fkey'),
|
|
nullable=False,
|
|
index=True,
|
|
)
|
|
cgsnapshot_id = sa.Column(
|
|
sa.String(36),
|
|
sa.ForeignKey('cgsnapshots.id'),
|
|
index=True,
|
|
)
|
|
group_snapshot_id = sa.Column(
|
|
sa.String(36),
|
|
sa.ForeignKey('group_snapshots.id'),
|
|
index=True,
|
|
)
|
|
status = sa.Column(sa.String(255))
|
|
progress = sa.Column(sa.String(255))
|
|
volume_size = sa.Column(sa.Integer)
|
|
scheduled_at = sa.Column(sa.DateTime)
|
|
|
|
display_name = sa.Column(sa.String(255))
|
|
display_description = sa.Column(sa.String(255))
|
|
|
|
encryption_key_id = sa.Column(sa.String(36))
|
|
volume_type_id = sa.Column(sa.String(36), nullable=False)
|
|
|
|
provider_location = sa.Column(sa.String(255))
|
|
provider_id = sa.Column(sa.String(255))
|
|
provider_auth = sa.Column(sa.String(255))
|
|
|
|
volume = relationship(
|
|
Volume,
|
|
backref="snapshots",
|
|
foreign_keys=volume_id,
|
|
primaryjoin='Snapshot.volume_id == Volume.id',
|
|
)
|
|
|
|
cgsnapshot = relationship(
|
|
CGSnapshot,
|
|
backref="snapshots",
|
|
foreign_keys=cgsnapshot_id,
|
|
primaryjoin='Snapshot.cgsnapshot_id == CGSnapshot.id',
|
|
)
|
|
|
|
group_snapshot = relationship(
|
|
GroupSnapshot,
|
|
backref="snapshots",
|
|
foreign_keys=group_snapshot_id,
|
|
primaryjoin='Snapshot.group_snapshot_id == GroupSnapshot.id',
|
|
)
|
|
|
|
|
|
class SnapshotMetadata(BASE, CinderBase):
|
|
"""Represents a metadata key/value pair for a snapshot."""
|
|
|
|
__tablename__ = 'snapshot_metadata'
|
|
|
|
id = sa.Column(sa.Integer, primary_key=True)
|
|
key = sa.Column(sa.String(255))
|
|
value = sa.Column(sa.String(255))
|
|
snapshot_id = sa.Column(
|
|
sa.String(36),
|
|
sa.ForeignKey('snapshots.id'),
|
|
nullable=False,
|
|
index=True,
|
|
)
|
|
snapshot = relationship(
|
|
Snapshot,
|
|
backref="snapshot_metadata",
|
|
foreign_keys=snapshot_id,
|
|
primaryjoin='and_('
|
|
'SnapshotMetadata.snapshot_id == Snapshot.id,'
|
|
'SnapshotMetadata.deleted == False)',
|
|
)
|
|
|
|
|
|
class Backup(BASE, CinderBase):
|
|
"""Represents a backup of a volume to Swift."""
|
|
|
|
__tablename__ = 'backups'
|
|
|
|
id = sa.Column(sa.String(36), primary_key=True)
|
|
# Backups don't have use_quota field since we don't have temporary backups
|
|
|
|
@property
|
|
def name(self):
|
|
return CONF.backup_name_template % self.id
|
|
|
|
# TODO(stephenfin): Add nullable=False
|
|
user_id = sa.Column(sa.String(255))
|
|
project_id = sa.Column(sa.String(255))
|
|
|
|
volume_id = sa.Column(sa.String(36), nullable=False)
|
|
host = sa.Column(sa.String(255))
|
|
availability_zone = sa.Column(sa.String(255))
|
|
display_name = sa.Column(sa.String(255))
|
|
display_description = sa.Column(sa.String(255))
|
|
container = sa.Column(sa.String(255))
|
|
parent_id = sa.Column(sa.String(36))
|
|
status = sa.Column(sa.String(255))
|
|
fail_reason = sa.Column(sa.String(255))
|
|
service_metadata = sa.Column(sa.String(255))
|
|
service = sa.Column(sa.String(255))
|
|
size = sa.Column(sa.Integer)
|
|
object_count = sa.Column(sa.Integer)
|
|
temp_volume_id = sa.Column(sa.String(36))
|
|
temp_snapshot_id = sa.Column(sa.String(36))
|
|
num_dependent_backups = sa.Column(sa.Integer)
|
|
snapshot_id = sa.Column(sa.String(36))
|
|
data_timestamp = sa.Column(sa.DateTime)
|
|
restore_volume_id = sa.Column(sa.String(36))
|
|
encryption_key_id = sa.Column(sa.String(36))
|
|
|
|
@validates('fail_reason')
|
|
def validate_fail_reason(self, key, fail_reason):
|
|
return fail_reason and fail_reason[:255] or ''
|
|
|
|
|
|
class BackupMetadata(BASE, CinderBase):
|
|
"""Represents a metadata key/value pair for a backup."""
|
|
|
|
__tablename__ = 'backup_metadata'
|
|
|
|
id = sa.Column(sa.Integer, primary_key=True)
|
|
key = sa.Column(sa.String(255))
|
|
value = sa.Column(sa.String(255))
|
|
backup_id = sa.Column(
|
|
sa.String(36), sa.ForeignKey('backups.id'), nullable=False, index=True
|
|
)
|
|
backup = relationship(
|
|
Backup,
|
|
backref="backup_metadata",
|
|
foreign_keys=backup_id,
|
|
primaryjoin='and_('
|
|
'BackupMetadata.backup_id == Backup.id,'
|
|
'BackupMetadata.deleted == False)',
|
|
)
|
|
|
|
|
|
class Encryption(BASE, CinderBase):
|
|
"""Represents encryption requirement for a volume type.
|
|
|
|
Encryption here is a set of performance characteristics describing
|
|
cipher, provider, and key_size for a certain volume type.
|
|
"""
|
|
|
|
__tablename__ = 'encryption'
|
|
|
|
# NOTE (smcginnis): nullable=True triggers this to not set a default
|
|
# value, but since it's a primary key the resulting schema will end up
|
|
# still being NOT NULL. This is avoiding a case in MySQL where it will
|
|
# otherwise set this to NOT NULL DEFAULT ''. May be harmless, but
|
|
# inconsistent with previous schema.
|
|
encryption_id = sa.Column(
|
|
sa.String(36),
|
|
primary_key=True,
|
|
nullable=True,
|
|
)
|
|
cipher = sa.Column(sa.String(255))
|
|
key_size = sa.Column(sa.Integer)
|
|
provider = sa.Column(sa.String(255))
|
|
control_location = sa.Column(sa.String(255))
|
|
# NOTE(joel-coffman): The volume_type_id must be unique or else the
|
|
# referenced volume type becomes ambiguous. That is, specifying the
|
|
# volume type is not sufficient to identify a particular encryption
|
|
# scheme unless each volume type is associated with at most one
|
|
# encryption scheme.
|
|
# TODO(stephenfin): Make this a foreign key
|
|
volume_type_id = sa.Column(sa.String(36), nullable=False)
|
|
volume_type = relationship(
|
|
VolumeType,
|
|
backref="encryption",
|
|
foreign_keys=volume_type_id,
|
|
primaryjoin='and_('
|
|
'Encryption.volume_type_id == VolumeType.id,'
|
|
'Encryption.deleted == False)',
|
|
)
|
|
|
|
|
|
class Transfer(BASE, CinderBase):
|
|
"""Represents a volume transfer request."""
|
|
|
|
__tablename__ = 'transfers'
|
|
|
|
id = sa.Column(sa.String(36), primary_key=True)
|
|
volume_id = sa.Column(
|
|
sa.String(36),
|
|
sa.ForeignKey('volumes.id'),
|
|
nullable=False,
|
|
index=True,
|
|
)
|
|
display_name = sa.Column(sa.String(255))
|
|
salt = sa.Column(sa.String(255))
|
|
crypt_hash = sa.Column(sa.String(255))
|
|
expires_at = sa.Column(sa.DateTime)
|
|
no_snapshots = sa.Column(sa.Boolean, default=False)
|
|
source_project_id = sa.Column(sa.String(255), nullable=True)
|
|
destination_project_id = sa.Column(sa.String(255), nullable=True)
|
|
accepted = sa.Column(sa.Boolean, default=False)
|
|
volume = relationship(
|
|
Volume,
|
|
backref="transfer",
|
|
foreign_keys=volume_id,
|
|
primaryjoin='and_('
|
|
'Transfer.volume_id == Volume.id,'
|
|
'Transfer.deleted == False)',
|
|
)
|
|
|
|
|
|
class DriverInitiatorData(BASE, models.TimestampMixin, models.ModelBase):
|
|
"""Represents private key-value pair specific an initiator for drivers"""
|
|
|
|
__tablename__ = 'driver_initiator_data'
|
|
__table_args__ = (
|
|
schema.UniqueConstraint("initiator", "namespace", "key"),
|
|
CinderBase.__table_args__,
|
|
)
|
|
|
|
id = sa.Column(sa.Integer, primary_key=True, nullable=False)
|
|
initiator = sa.Column(sa.String(255), index=True, nullable=False)
|
|
namespace = sa.Column(sa.String(255), nullable=False)
|
|
key = sa.Column(sa.String(255), nullable=False)
|
|
value = sa.Column(sa.String(255))
|
|
|
|
|
|
class Message(BASE, CinderBase):
|
|
"""Represents a message"""
|
|
|
|
__tablename__ = 'messages'
|
|
|
|
id = sa.Column(sa.String(36), primary_key=True, nullable=False)
|
|
project_id = sa.Column(sa.String(255), nullable=False)
|
|
# Info/Error/Warning.
|
|
message_level = sa.Column(sa.String(255), nullable=False)
|
|
request_id = sa.Column(sa.String(255), nullable=True)
|
|
resource_type = sa.Column(sa.String(36))
|
|
# The UUID of the related resource.
|
|
resource_uuid = sa.Column(sa.String(255), nullable=True)
|
|
# Operation specific event ID.
|
|
event_id = sa.Column(sa.String(255), nullable=False)
|
|
# Message detail ID.
|
|
detail_id = sa.Column(sa.String(10), nullable=True)
|
|
# Operation specific action.
|
|
action_id = sa.Column(sa.String(10), nullable=True)
|
|
# After this time the message may no longer exist
|
|
expires_at = sa.Column(sa.DateTime, nullable=True, index=True)
|
|
|
|
|
|
class ImageVolumeCacheEntry(BASE, models.ModelBase):
|
|
"""Represents an image volume cache entry"""
|
|
|
|
__tablename__ = 'image_volume_cache_entries'
|
|
|
|
id = sa.Column(sa.Integer, primary_key=True, nullable=False)
|
|
host = sa.Column(sa.String(255), index=True, nullable=False)
|
|
cluster_name = sa.Column(sa.String(255), nullable=True)
|
|
image_id = sa.Column(sa.String(36), index=True, nullable=False)
|
|
# TODO(stephenfin): Add nullable=False
|
|
image_updated_at = sa.Column(sa.DateTime)
|
|
volume_id = sa.Column(sa.String(36), nullable=False)
|
|
size = sa.Column(sa.Integer, nullable=False)
|
|
last_used = sa.Column(
|
|
sa.DateTime, nullable=False, default=lambda: timeutils.utcnow(),
|
|
)
|
|
|
|
|
|
class Worker(BASE, CinderBase):
|
|
"""Represents all resources that are being worked on by a node."""
|
|
|
|
__tablename__ = 'workers'
|
|
__table_args__ = (
|
|
schema.UniqueConstraint('resource_type', 'resource_id'),
|
|
CinderBase.__table_args__,
|
|
)
|
|
|
|
# We want to overwrite default updated_at definition so we timestamp at
|
|
# creation as well
|
|
updated_at = sa.Column(
|
|
sa.DateTime, default=timeutils.utcnow, onupdate=timeutils.utcnow
|
|
)
|
|
|
|
# Id added for convenience and speed on some operations
|
|
id = sa.Column(sa.Integer, primary_key=True, autoincrement=True)
|
|
|
|
# Type of the resource we are working on (Volume, Snapshot, Backup) it must
|
|
# match the Versioned Object class name.
|
|
resource_type = sa.Column(sa.String(40), primary_key=True, nullable=False)
|
|
# UUID of the resource we are working on
|
|
resource_id = sa.Column(sa.String(36), primary_key=True, nullable=False)
|
|
|
|
# Status that should be cleaned on service failure
|
|
status = sa.Column(sa.String(255), nullable=False)
|
|
|
|
# Service that is currently processing the operation
|
|
service_id = sa.Column(
|
|
sa.Integer,
|
|
sa.ForeignKey('services.id'),
|
|
nullable=True,
|
|
index=True,
|
|
)
|
|
|
|
# To prevent claiming and updating races
|
|
race_preventer = sa.Column(
|
|
sa.Integer,
|
|
nullable=False,
|
|
default=0,
|
|
server_default=sa.text('0'),
|
|
)
|
|
|
|
# This is a flag we don't need to store in the DB as it is only used when
|
|
# we are doing the cleanup to let decorators know
|
|
cleaning = False
|
|
|
|
service = relationship(
|
|
'Service',
|
|
backref="workers",
|
|
foreign_keys=service_id,
|
|
primaryjoin='Worker.service_id == Service.id',
|
|
)
|
|
|
|
|
|
class AttachmentSpecs(BASE, CinderBase):
|
|
"""Represents attachment specs as k/v pairs for a volume_attachment.
|
|
|
|
DO NOT USE - NOTHING SHOULD WRITE NEW DATA TO THIS TABLE
|
|
|
|
The volume_attachment.connector column should be used instead.
|
|
"""
|
|
|
|
__tablename__ = 'attachment_specs'
|
|
|
|
id = sa.Column(sa.Integer, primary_key=True)
|
|
key = sa.Column(sa.String(255))
|
|
value = sa.Column(sa.String(255))
|
|
attachment_id = sa.Column(
|
|
sa.String(36),
|
|
sa.ForeignKey('volume_attachment.id'),
|
|
nullable=False,
|
|
index=True,
|
|
)
|
|
volume_attachment = relationship(
|
|
VolumeAttachment,
|
|
backref="attachment_specs",
|
|
foreign_keys=attachment_id,
|
|
primaryjoin='and_('
|
|
'AttachmentSpecs.attachment_id == VolumeAttachment.id,'
|
|
'AttachmentSpecs.deleted == False)',
|
|
)
|