657 lines
23 KiB
Python
657 lines
23 KiB
Python
# Copyright (c) 2011 X.commerce, a business unit of eBay Inc.
|
|
# Copyright 2010 United States Government as represented by the
|
|
# Administrator of the National Aeronautics and Space Administration.
|
|
# Copyright 2011 Piston Cloud Computing, Inc.
|
|
# All Rights Reserved.
|
|
#
|
|
# Licensed under the Apache License, Version 2.0 (the "License"); you may
|
|
# not use this file except in compliance with the License. You may obtain
|
|
# a copy of the License at
|
|
#
|
|
# http://www.apache.org/licenses/LICENSE-2.0
|
|
#
|
|
# Unless required by applicable law or agreed to in writing, software
|
|
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
|
|
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
|
|
# License for the specific language governing permissions and limitations
|
|
# under the License.
|
|
|
|
"""
|
|
SQLAlchemy models for cinder data.
|
|
"""
|
|
|
|
from oslo_config import cfg
|
|
from oslo_db.sqlalchemy import models
|
|
from oslo_utils import timeutils
|
|
from sqlalchemy import Column, Integer, String, Text, schema
|
|
from sqlalchemy.ext.declarative import declarative_base
|
|
from sqlalchemy import ForeignKey, DateTime, Boolean
|
|
from sqlalchemy.orm import relationship, backref, validates
|
|
|
|
|
|
CONF = cfg.CONF
|
|
BASE = declarative_base()
|
|
|
|
|
|
class CinderBase(models.TimestampMixin,
|
|
models.ModelBase):
|
|
"""Base class for Cinder Models."""
|
|
|
|
__table_args__ = {'mysql_engine': 'InnoDB'}
|
|
|
|
# TODO(rpodolyaka): reuse models.SoftDeleteMixin in the next stage
|
|
# of implementing of BP db-cleanup
|
|
deleted_at = Column(DateTime)
|
|
deleted = Column(Boolean, default=False)
|
|
metadata = None
|
|
|
|
def delete(self, session):
|
|
"""Delete this object."""
|
|
self.deleted = True
|
|
self.deleted_at = timeutils.utcnow()
|
|
self.save(session=session)
|
|
|
|
|
|
class Service(BASE, CinderBase):
|
|
"""Represents a running service on a host."""
|
|
|
|
__tablename__ = 'services'
|
|
id = Column(Integer, primary_key=True)
|
|
host = Column(String(255)) # , ForeignKey('hosts.id'))
|
|
binary = Column(String(255))
|
|
topic = Column(String(255))
|
|
report_count = Column(Integer, nullable=False, default=0)
|
|
disabled = Column(Boolean, default=False)
|
|
availability_zone = Column(String(255), default='cinder')
|
|
disabled_reason = Column(String(255))
|
|
# adding column modified_at to contain timestamp
|
|
# for manual enable/disable of cinder services
|
|
# updated_at column will now contain timestamps for
|
|
# periodic updates
|
|
modified_at = Column(DateTime)
|
|
|
|
# Version columns to support rolling upgrade. These report the max RPC API
|
|
# and objects versions that the manager of the service is able to support.
|
|
rpc_current_version = Column(String(36))
|
|
object_current_version = Column(String(36))
|
|
|
|
# replication_status can be: enabled, disabled, not-capable, error,
|
|
# failed-over or not-configured
|
|
replication_status = Column(String(255), default="not-capable")
|
|
active_backend_id = Column(String(255))
|
|
frozen = Column(Boolean, nullable=False, default=False)
|
|
|
|
|
|
class ConsistencyGroup(BASE, CinderBase):
|
|
"""Represents a consistencygroup."""
|
|
__tablename__ = 'consistencygroups'
|
|
id = Column(String(36), primary_key=True)
|
|
|
|
user_id = Column(String(255), nullable=False)
|
|
project_id = Column(String(255), nullable=False)
|
|
|
|
host = Column(String(255))
|
|
availability_zone = Column(String(255))
|
|
name = Column(String(255))
|
|
description = Column(String(255))
|
|
volume_type_id = Column(String(255))
|
|
status = Column(String(255))
|
|
cgsnapshot_id = Column(String(36))
|
|
source_cgid = Column(String(36))
|
|
|
|
|
|
class Cgsnapshot(BASE, CinderBase):
|
|
"""Represents a cgsnapshot."""
|
|
__tablename__ = 'cgsnapshots'
|
|
id = Column(String(36), primary_key=True)
|
|
|
|
consistencygroup_id = Column(String(36))
|
|
user_id = Column(String(255), nullable=False)
|
|
project_id = Column(String(255), nullable=False)
|
|
|
|
name = Column(String(255))
|
|
description = Column(String(255))
|
|
status = Column(String(255))
|
|
|
|
consistencygroup = relationship(
|
|
ConsistencyGroup,
|
|
backref="cgsnapshots",
|
|
foreign_keys=consistencygroup_id,
|
|
primaryjoin='Cgsnapshot.consistencygroup_id == ConsistencyGroup.id')
|
|
|
|
|
|
class Volume(BASE, CinderBase):
|
|
"""Represents a block storage device that can be attached to a vm."""
|
|
__tablename__ = 'volumes'
|
|
id = Column(String(36), primary_key=True)
|
|
_name_id = Column(String(36)) # Don't access/modify this directly!
|
|
|
|
@property
|
|
def name_id(self):
|
|
return self.id if not self._name_id else self._name_id
|
|
|
|
@name_id.setter
|
|
def name_id(self, value):
|
|
self._name_id = value
|
|
|
|
@property
|
|
def name(self):
|
|
return CONF.volume_name_template % self.name_id
|
|
|
|
ec2_id = Column(Integer)
|
|
user_id = Column(String(255))
|
|
project_id = Column(String(255))
|
|
|
|
snapshot_id = Column(String(36))
|
|
|
|
host = Column(String(255)) # , ForeignKey('hosts.id'))
|
|
size = Column(Integer)
|
|
availability_zone = Column(String(255)) # TODO(vish): foreign key?
|
|
status = Column(String(255)) # TODO(vish): enum?
|
|
attach_status = Column(String(255)) # TODO(vish): enum
|
|
migration_status = Column(String(255))
|
|
|
|
scheduled_at = Column(DateTime)
|
|
launched_at = Column(DateTime)
|
|
terminated_at = Column(DateTime)
|
|
|
|
display_name = Column(String(255))
|
|
display_description = Column(String(255))
|
|
|
|
provider_location = Column(String(255))
|
|
provider_auth = Column(String(255))
|
|
provider_geometry = Column(String(255))
|
|
provider_id = Column(String(255))
|
|
|
|
volume_type_id = Column(String(36))
|
|
source_volid = Column(String(36))
|
|
encryption_key_id = Column(String(36))
|
|
|
|
consistencygroup_id = Column(String(36))
|
|
|
|
bootable = Column(Boolean, default=False)
|
|
multiattach = Column(Boolean, default=False)
|
|
|
|
replication_status = Column(String(255))
|
|
replication_extended_status = Column(String(255))
|
|
replication_driver_data = Column(String(255))
|
|
|
|
previous_status = Column(String(255))
|
|
|
|
consistencygroup = relationship(
|
|
ConsistencyGroup,
|
|
backref="volumes",
|
|
foreign_keys=consistencygroup_id,
|
|
primaryjoin='Volume.consistencygroup_id == ConsistencyGroup.id')
|
|
|
|
|
|
class VolumeMetadata(BASE, CinderBase):
|
|
"""Represents a metadata key/value pair for a volume."""
|
|
__tablename__ = 'volume_metadata'
|
|
id = Column(Integer, primary_key=True)
|
|
key = Column(String(255))
|
|
value = Column(String(255))
|
|
volume_id = Column(String(36), ForeignKey('volumes.id'), nullable=False)
|
|
volume = relationship(Volume, backref="volume_metadata",
|
|
foreign_keys=volume_id,
|
|
primaryjoin='and_('
|
|
'VolumeMetadata.volume_id == Volume.id,'
|
|
'VolumeMetadata.deleted == False)')
|
|
|
|
|
|
class VolumeAdminMetadata(BASE, CinderBase):
|
|
"""Represents an administrator metadata key/value pair for a volume."""
|
|
__tablename__ = 'volume_admin_metadata'
|
|
id = Column(Integer, primary_key=True)
|
|
key = Column(String(255))
|
|
value = Column(String(255))
|
|
volume_id = Column(String(36), ForeignKey('volumes.id'), nullable=False)
|
|
volume = relationship(Volume, backref="volume_admin_metadata",
|
|
foreign_keys=volume_id,
|
|
primaryjoin='and_('
|
|
'VolumeAdminMetadata.volume_id == Volume.id,'
|
|
'VolumeAdminMetadata.deleted == False)')
|
|
|
|
|
|
class VolumeAttachment(BASE, CinderBase):
|
|
"""Represents a volume attachment for a vm."""
|
|
__tablename__ = 'volume_attachment'
|
|
id = Column(String(36), primary_key=True)
|
|
|
|
volume_id = Column(String(36), ForeignKey('volumes.id'), nullable=False)
|
|
volume = relationship(Volume, backref="volume_attachment",
|
|
foreign_keys=volume_id,
|
|
primaryjoin='and_('
|
|
'VolumeAttachment.volume_id == Volume.id,'
|
|
'VolumeAttachment.deleted == False)')
|
|
instance_uuid = Column(String(36))
|
|
attached_host = Column(String(255))
|
|
mountpoint = Column(String(255))
|
|
attach_time = Column(DateTime)
|
|
detach_time = Column(DateTime)
|
|
attach_status = Column(String(255))
|
|
attach_mode = Column(String(255))
|
|
|
|
|
|
class VolumeTypes(BASE, CinderBase):
|
|
"""Represent possible volume_types of volumes offered."""
|
|
__tablename__ = "volume_types"
|
|
id = Column(String(36), primary_key=True)
|
|
name = Column(String(255))
|
|
description = Column(String(255))
|
|
# A reference to qos_specs entity
|
|
qos_specs_id = Column(String(36),
|
|
ForeignKey('quality_of_service_specs.id'))
|
|
is_public = Column(Boolean, default=True)
|
|
volumes = relationship(Volume,
|
|
backref=backref('volume_type', uselist=False),
|
|
foreign_keys=id,
|
|
primaryjoin='and_('
|
|
'Volume.volume_type_id == VolumeTypes.id, '
|
|
'VolumeTypes.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",
|
|
name="uniq_volume_type_projects0volume_type_id0project_id0deleted"),
|
|
)
|
|
id = Column(Integer, primary_key=True)
|
|
volume_type_id = Column(Integer, ForeignKey('volume_types.id'),
|
|
nullable=False)
|
|
project_id = Column(String(255))
|
|
deleted = Column(Integer, default=0)
|
|
|
|
volume_type = relationship(
|
|
VolumeTypes,
|
|
backref="projects",
|
|
foreign_keys=volume_type_id,
|
|
primaryjoin='and_('
|
|
'VolumeTypeProjects.volume_type_id == VolumeTypes.id,'
|
|
'VolumeTypeProjects.deleted == 0)')
|
|
|
|
|
|
class VolumeTypeExtraSpecs(BASE, CinderBase):
|
|
"""Represents additional specs as key/value pairs for a volume_type."""
|
|
__tablename__ = 'volume_type_extra_specs'
|
|
id = Column(Integer, primary_key=True)
|
|
key = Column(String(255))
|
|
value = Column(String(255))
|
|
volume_type_id = Column(String(36),
|
|
ForeignKey('volume_types.id'),
|
|
nullable=False)
|
|
volume_type = relationship(
|
|
VolumeTypes,
|
|
backref="extra_specs",
|
|
foreign_keys=volume_type_id,
|
|
primaryjoin='and_('
|
|
'VolumeTypeExtraSpecs.volume_type_id == VolumeTypes.id,'
|
|
'VolumeTypeExtraSpecs.deleted == False)'
|
|
)
|
|
|
|
|
|
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 = Column(String(36), primary_key=True)
|
|
specs_id = Column(String(36), ForeignKey(id))
|
|
key = Column(String(255))
|
|
value = Column(String(255))
|
|
|
|
specs = relationship(
|
|
"QualityOfServiceSpecs",
|
|
cascade="all, delete-orphan",
|
|
backref=backref("qos_spec", remote_side=id),
|
|
)
|
|
|
|
vol_types = relationship(
|
|
VolumeTypes,
|
|
backref=backref('qos_specs'),
|
|
foreign_keys=id,
|
|
primaryjoin='and_('
|
|
'or_(VolumeTypes.qos_specs_id == '
|
|
'QualityOfServiceSpecs.id,'
|
|
'VolumeTypes.qos_specs_id == '
|
|
'QualityOfServiceSpecs.specs_id),'
|
|
'QualityOfServiceSpecs.deleted == False)')
|
|
|
|
|
|
class VolumeGlanceMetadata(BASE, CinderBase):
|
|
"""Glance metadata for a bootable volume."""
|
|
__tablename__ = 'volume_glance_metadata'
|
|
id = Column(Integer, primary_key=True, nullable=False)
|
|
volume_id = Column(String(36), ForeignKey('volumes.id'))
|
|
snapshot_id = Column(String(36), ForeignKey('snapshots.id'))
|
|
key = Column(String(255))
|
|
value = Column(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 = Column(Integer, primary_key=True)
|
|
|
|
project_id = Column(String(255), index=True)
|
|
|
|
resource = Column(String(255))
|
|
hard_limit = Column(Integer, nullable=True)
|
|
allocated = Column(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 = Column(Integer, primary_key=True)
|
|
|
|
class_name = Column(String(255), index=True)
|
|
|
|
resource = Column(String(255))
|
|
hard_limit = Column(Integer, nullable=True)
|
|
|
|
|
|
class QuotaUsage(BASE, CinderBase):
|
|
"""Represents the current usage for a given resource."""
|
|
|
|
__tablename__ = 'quota_usages'
|
|
id = Column(Integer, primary_key=True)
|
|
|
|
project_id = Column(String(255), index=True)
|
|
resource = Column(String(255))
|
|
|
|
in_use = Column(Integer)
|
|
reserved = Column(Integer)
|
|
|
|
@property
|
|
def total(self):
|
|
return self.in_use + self.reserved
|
|
|
|
until_refresh = Column(Integer, nullable=True)
|
|
|
|
|
|
class Reservation(BASE, CinderBase):
|
|
"""Represents a resource reservation for quotas."""
|
|
|
|
__tablename__ = 'reservations'
|
|
id = Column(Integer, primary_key=True)
|
|
uuid = Column(String(36), nullable=False)
|
|
|
|
usage_id = Column(Integer, ForeignKey('quota_usages.id'), nullable=True)
|
|
allocated_id = Column(Integer, ForeignKey('quotas.id'), nullable=True)
|
|
|
|
project_id = Column(String(255), index=True)
|
|
resource = Column(String(255))
|
|
|
|
delta = Column(Integer)
|
|
expire = Column(DateTime, nullable=False)
|
|
|
|
usage = relationship(
|
|
"QuotaUsage",
|
|
foreign_keys=usage_id,
|
|
primaryjoin='and_(Reservation.usage_id == QuotaUsage.id,'
|
|
'QuotaUsage.deleted == 0)')
|
|
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 = Column(String(36), primary_key=True)
|
|
|
|
@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 = Column(String(255))
|
|
project_id = Column(String(255))
|
|
|
|
volume_id = Column(String(36))
|
|
cgsnapshot_id = Column(String(36))
|
|
status = Column(String(255))
|
|
progress = Column(String(255))
|
|
volume_size = Column(Integer)
|
|
|
|
display_name = Column(String(255))
|
|
display_description = Column(String(255))
|
|
|
|
encryption_key_id = Column(String(36))
|
|
volume_type_id = Column(String(36))
|
|
|
|
provider_location = Column(String(255))
|
|
provider_id = Column(String(255))
|
|
provider_auth = Column(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')
|
|
|
|
|
|
class SnapshotMetadata(BASE, CinderBase):
|
|
"""Represents a metadata key/value pair for a snapshot."""
|
|
__tablename__ = 'snapshot_metadata'
|
|
id = Column(Integer, primary_key=True)
|
|
key = Column(String(255))
|
|
value = Column(String(255))
|
|
snapshot_id = Column(String(36),
|
|
ForeignKey('snapshots.id'),
|
|
nullable=False)
|
|
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 = Column(String(36), primary_key=True)
|
|
|
|
@property
|
|
def name(self):
|
|
return CONF.backup_name_template % self.id
|
|
|
|
user_id = Column(String(255), nullable=False)
|
|
project_id = Column(String(255), nullable=False)
|
|
|
|
volume_id = Column(String(36), nullable=False)
|
|
host = Column(String(255))
|
|
availability_zone = Column(String(255))
|
|
display_name = Column(String(255))
|
|
display_description = Column(String(255))
|
|
container = Column(String(255))
|
|
parent_id = Column(String(36))
|
|
status = Column(String(255))
|
|
fail_reason = Column(String(255))
|
|
service_metadata = Column(String(255))
|
|
service = Column(String(255))
|
|
size = Column(Integer)
|
|
object_count = Column(Integer)
|
|
temp_volume_id = Column(String(36))
|
|
temp_snapshot_id = Column(String(36))
|
|
num_dependent_backups = Column(Integer)
|
|
snapshot_id = Column(String(36))
|
|
data_timestamp = Column(DateTime)
|
|
restore_volume_id = Column(String(36))
|
|
|
|
@validates('fail_reason')
|
|
def validate_fail_reason(self, key, fail_reason):
|
|
return fail_reason and fail_reason[:255] or ''
|
|
|
|
|
|
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'
|
|
encryption_id = Column(String(36), primary_key=True)
|
|
cipher = Column(String(255))
|
|
key_size = Column(Integer)
|
|
provider = Column(String(255))
|
|
control_location = Column(String(255))
|
|
volume_type_id = Column(String(36), ForeignKey('volume_types.id'))
|
|
volume_type = relationship(
|
|
VolumeTypes,
|
|
backref="encryption",
|
|
foreign_keys=volume_type_id,
|
|
primaryjoin='and_('
|
|
'Encryption.volume_type_id == VolumeTypes.id,'
|
|
'Encryption.deleted == False)'
|
|
)
|
|
|
|
|
|
class Transfer(BASE, CinderBase):
|
|
"""Represents a volume transfer request."""
|
|
__tablename__ = 'transfers'
|
|
id = Column(String(36), primary_key=True)
|
|
volume_id = Column(String(36), ForeignKey('volumes.id'))
|
|
display_name = Column(String(255))
|
|
salt = Column(String(255))
|
|
crypt_hash = Column(String(255))
|
|
expires_at = Column(DateTime)
|
|
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"),
|
|
{'mysql_engine': 'InnoDB'}
|
|
)
|
|
id = Column(Integer, primary_key=True, nullable=False)
|
|
initiator = Column(String(255), index=True, nullable=False)
|
|
namespace = Column(String(255), nullable=False)
|
|
key = Column(String(255), nullable=False)
|
|
value = Column(String(255))
|
|
|
|
|
|
class Message(BASE, CinderBase):
|
|
"""Represents a message"""
|
|
__tablename__ = 'messages'
|
|
id = Column(String(36), primary_key=True, nullable=False)
|
|
project_id = Column(String(36), nullable=False)
|
|
# Info/Error/Warning.
|
|
message_level = Column(String(255), nullable=False)
|
|
request_id = Column(String(255), nullable=True)
|
|
resource_type = Column(String(255))
|
|
# The uuid of the related resource.
|
|
resource_uuid = Column(String(36), nullable=True)
|
|
# Operation specific event ID.
|
|
event_id = Column(String(255), nullable=False)
|
|
created_at = Column(DateTime, default=lambda: timeutils.utcnow())
|
|
# After this time the message may no longer exist
|
|
expires_at = Column(DateTime, nullable=True)
|
|
|
|
|
|
class ImageVolumeCacheEntry(BASE, models.ModelBase):
|
|
"""Represents an image volume cache entry"""
|
|
__tablename__ = 'image_volume_cache_entries'
|
|
id = Column(Integer, primary_key=True, nullable=False)
|
|
host = Column(String(255), index=True, nullable=False)
|
|
image_id = Column(String(36), index=True, nullable=False)
|
|
image_updated_at = Column(DateTime, nullable=False)
|
|
volume_id = Column(String(36), nullable=False)
|
|
size = Column(Integer, nullable=False)
|
|
last_used = Column(DateTime, default=lambda: timeutils.utcnow())
|
|
|
|
|
|
def register_models():
|
|
"""Register Models and create metadata.
|
|
|
|
Called from cinder.db.sqlalchemy.__init__ as part of loading the driver,
|
|
it will never need to be called explicitly elsewhere unless the
|
|
connection is lost and needs to be reestablished.
|
|
"""
|
|
from sqlalchemy import create_engine
|
|
models = (Backup,
|
|
Service,
|
|
Volume,
|
|
VolumeMetadata,
|
|
VolumeAdminMetadata,
|
|
VolumeAttachment,
|
|
SnapshotMetadata,
|
|
Transfer,
|
|
VolumeTypeExtraSpecs,
|
|
VolumeTypes,
|
|
VolumeGlanceMetadata,
|
|
ConsistencyGroup,
|
|
Cgsnapshot
|
|
)
|
|
engine = create_engine(CONF.database.connection, echo=False)
|
|
for model in models:
|
|
model.metadata.create_all(engine)
|