666 lines
29 KiB
Python
666 lines
29 KiB
Python
# Copyright 2015 SimpliVity Corp.
|
|
#
|
|
# 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.
|
|
|
|
from oslo_config import cfg
|
|
from oslo_utils import versionutils
|
|
from oslo_versionedobjects import fields
|
|
|
|
from cinder import db
|
|
from cinder import exception
|
|
from cinder.i18n import _
|
|
from cinder import objects
|
|
from cinder.objects import base
|
|
from cinder.objects import cleanable
|
|
from cinder.objects import fields as c_fields
|
|
|
|
CONF = cfg.CONF
|
|
|
|
|
|
class MetadataObject(dict):
|
|
# This is a wrapper class that simulates SQLAlchemy (.*)Metadata objects to
|
|
# maintain compatibility with older representations of Volume that some
|
|
# drivers rely on. This is helpful in transition period while some driver
|
|
# methods are invoked with volume versioned object and some SQLAlchemy
|
|
# object or dict.
|
|
def __init__(self, key=None, value=None):
|
|
super(MetadataObject, self).__init__()
|
|
self.key = key
|
|
self.value = value
|
|
|
|
def __getattr__(self, name):
|
|
if name in self:
|
|
return self[name]
|
|
else:
|
|
raise AttributeError("No such attribute: " + name)
|
|
|
|
def __setattr__(self, name, value):
|
|
self[name] = value
|
|
|
|
|
|
@base.CinderObjectRegistry.register
|
|
class Volume(cleanable.CinderCleanableObject, base.CinderObject,
|
|
base.CinderObjectDictCompat, base.CinderComparableObject,
|
|
base.ClusteredObject):
|
|
# Version 1.0: Initial version
|
|
# Version 1.1: Added metadata, admin_metadata, volume_attachment, and
|
|
# volume_type
|
|
# Version 1.2: Added glance_metadata, consistencygroup and snapshots
|
|
# Version 1.3: Added finish_volume_migration()
|
|
# Version 1.4: Added cluster fields
|
|
# Version 1.5: Added group
|
|
# Version 1.6: This object is now cleanable (adds rows to workers table)
|
|
# Version 1.7: Added service_uuid
|
|
# Version 1.8: Added shared_targets
|
|
VERSION = '1.8'
|
|
|
|
OPTIONAL_FIELDS = ('metadata', 'admin_metadata', 'glance_metadata',
|
|
'volume_type', 'volume_attachment', 'consistencygroup',
|
|
'snapshots', 'cluster', 'group')
|
|
|
|
fields = {
|
|
'id': fields.UUIDField(),
|
|
'_name_id': fields.UUIDField(nullable=True),
|
|
'ec2_id': fields.UUIDField(nullable=True),
|
|
'user_id': fields.StringField(nullable=True),
|
|
'project_id': fields.StringField(nullable=True),
|
|
|
|
'snapshot_id': fields.UUIDField(nullable=True),
|
|
|
|
'cluster_name': fields.StringField(nullable=True),
|
|
'cluster': fields.ObjectField('Cluster', nullable=True,
|
|
read_only=True),
|
|
'host': fields.StringField(nullable=True),
|
|
'size': fields.IntegerField(nullable=True),
|
|
'availability_zone': fields.StringField(nullable=True),
|
|
'status': fields.StringField(nullable=True),
|
|
'attach_status': c_fields.VolumeAttachStatusField(nullable=True),
|
|
'migration_status': fields.StringField(nullable=True),
|
|
|
|
'scheduled_at': fields.DateTimeField(nullable=True),
|
|
'launched_at': fields.DateTimeField(nullable=True),
|
|
'terminated_at': fields.DateTimeField(nullable=True),
|
|
|
|
'display_name': fields.StringField(nullable=True),
|
|
'display_description': fields.StringField(nullable=True),
|
|
|
|
'provider_id': fields.StringField(nullable=True),
|
|
'provider_location': fields.StringField(nullable=True),
|
|
'provider_auth': fields.StringField(nullable=True),
|
|
'provider_geometry': fields.StringField(nullable=True),
|
|
|
|
'volume_type_id': fields.UUIDField(nullable=True),
|
|
'source_volid': fields.UUIDField(nullable=True),
|
|
'encryption_key_id': fields.UUIDField(nullable=True),
|
|
|
|
'consistencygroup_id': fields.UUIDField(nullable=True),
|
|
'group_id': fields.UUIDField(nullable=True),
|
|
|
|
'deleted': fields.BooleanField(default=False, nullable=True),
|
|
'bootable': fields.BooleanField(default=False, nullable=True),
|
|
'multiattach': fields.BooleanField(default=False, nullable=True),
|
|
|
|
'replication_status': fields.StringField(nullable=True),
|
|
'replication_extended_status': fields.StringField(nullable=True),
|
|
'replication_driver_data': fields.StringField(nullable=True),
|
|
|
|
'previous_status': fields.StringField(nullable=True),
|
|
|
|
'metadata': fields.DictOfStringsField(nullable=True),
|
|
'admin_metadata': fields.DictOfStringsField(nullable=True),
|
|
'glance_metadata': fields.DictOfStringsField(nullable=True),
|
|
'volume_type': fields.ObjectField('VolumeType', nullable=True),
|
|
'volume_attachment': fields.ObjectField('VolumeAttachmentList',
|
|
nullable=True),
|
|
'consistencygroup': fields.ObjectField('ConsistencyGroup',
|
|
nullable=True),
|
|
'snapshots': fields.ObjectField('SnapshotList', nullable=True),
|
|
'group': fields.ObjectField('Group', nullable=True),
|
|
'service_uuid': fields.StringField(nullable=True),
|
|
'shared_targets': fields.BooleanField(default=True, nullable=True),
|
|
}
|
|
|
|
# NOTE(thangp): obj_extra_fields is used to hold properties that are not
|
|
# usually part of the model
|
|
obj_extra_fields = ['name', 'name_id', 'volume_metadata',
|
|
'volume_admin_metadata', 'volume_glance_metadata']
|
|
|
|
@classmethod
|
|
def _get_expected_attrs(cls, context, *args, **kwargs):
|
|
expected_attrs = ['metadata', 'volume_type', 'volume_type.extra_specs']
|
|
if context.is_admin:
|
|
expected_attrs.append('admin_metadata')
|
|
|
|
return expected_attrs
|
|
|
|
@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
|
|
|
|
# TODO(dulek): Three properties below are for compatibility with dict
|
|
# representation of volume. The format there is different (list of
|
|
# SQLAlchemy models) so we need a conversion. Anyway - these should be
|
|
# removed when we stop this class from deriving from DictObjectCompat.
|
|
@property
|
|
def volume_metadata(self):
|
|
md = [MetadataObject(k, v) for k, v in self.metadata.items()]
|
|
return md
|
|
|
|
@volume_metadata.setter
|
|
def volume_metadata(self, value):
|
|
md = {d['key']: d['value'] for d in value}
|
|
self.metadata = md
|
|
|
|
@property
|
|
def volume_admin_metadata(self):
|
|
md = [MetadataObject(k, v) for k, v in self.admin_metadata.items()]
|
|
return md
|
|
|
|
@volume_admin_metadata.setter
|
|
def volume_admin_metadata(self, value):
|
|
md = {d['key']: d['value'] for d in value}
|
|
self.admin_metadata = md
|
|
|
|
@property
|
|
def volume_glance_metadata(self):
|
|
md = [MetadataObject(k, v) for k, v in self.glance_metadata.items()]
|
|
return md
|
|
|
|
@volume_glance_metadata.setter
|
|
def volume_glance_metadata(self, value):
|
|
md = {d['key']: d['value'] for d in value}
|
|
self.glance_metadata = md
|
|
|
|
def __init__(self, *args, **kwargs):
|
|
super(Volume, self).__init__(*args, **kwargs)
|
|
self._orig_metadata = {}
|
|
self._orig_admin_metadata = {}
|
|
self._orig_glance_metadata = {}
|
|
|
|
self._reset_metadata_tracking()
|
|
|
|
def obj_reset_changes(self, fields=None):
|
|
super(Volume, self).obj_reset_changes(fields)
|
|
self._reset_metadata_tracking(fields=fields)
|
|
|
|
@classmethod
|
|
def _obj_from_primitive(cls, context, objver, primitive):
|
|
obj = super(Volume, Volume)._obj_from_primitive(context, objver,
|
|
primitive)
|
|
obj._reset_metadata_tracking()
|
|
return obj
|
|
|
|
def _reset_metadata_tracking(self, fields=None):
|
|
if fields is None or 'metadata' in fields:
|
|
self._orig_metadata = (dict(self.metadata)
|
|
if 'metadata' in self else {})
|
|
if fields is None or 'admin_metadata' in fields:
|
|
self._orig_admin_metadata = (dict(self.admin_metadata)
|
|
if 'admin_metadata' in self
|
|
else {})
|
|
if fields is None or 'glance_metadata' in fields:
|
|
self._orig_glance_metadata = (dict(self.glance_metadata)
|
|
if 'glance_metadata' in self
|
|
else {})
|
|
|
|
def obj_what_changed(self):
|
|
changes = super(Volume, self).obj_what_changed()
|
|
if 'metadata' in self and self.metadata != self._orig_metadata:
|
|
changes.add('metadata')
|
|
if ('admin_metadata' in self and
|
|
self.admin_metadata != self._orig_admin_metadata):
|
|
changes.add('admin_metadata')
|
|
if ('glance_metadata' in self and
|
|
self.glance_metadata != self._orig_glance_metadata):
|
|
changes.add('glance_metadata')
|
|
|
|
return changes
|
|
|
|
def obj_make_compatible(self, primitive, target_version):
|
|
"""Make a Volume representation compatible with a target version."""
|
|
added_fields = (((1, 4), ('cluster', 'cluster_name')),
|
|
((1, 5), ('group', 'group_id')),
|
|
((1, 7), ('service_uuid')))
|
|
|
|
# Convert all related objects
|
|
super(Volume, self).obj_make_compatible(primitive, target_version)
|
|
|
|
target_version = versionutils.convert_version_to_tuple(target_version)
|
|
for version, remove_fields in added_fields:
|
|
if target_version < version:
|
|
for obj_field in remove_fields:
|
|
primitive.pop(obj_field, None)
|
|
|
|
@classmethod
|
|
def _from_db_object(cls, context, volume, db_volume, expected_attrs=None):
|
|
if expected_attrs is None:
|
|
expected_attrs = []
|
|
for name, field in volume.fields.items():
|
|
if name in cls.OPTIONAL_FIELDS:
|
|
continue
|
|
value = db_volume.get(name)
|
|
if isinstance(field, fields.IntegerField):
|
|
value = value or 0
|
|
volume[name] = value
|
|
|
|
# Get data from db_volume object that was queried by joined query
|
|
# from DB
|
|
if 'metadata' in expected_attrs:
|
|
metadata = db_volume.get('volume_metadata', [])
|
|
volume.metadata = {item['key']: item['value'] for item in metadata}
|
|
if 'admin_metadata' in expected_attrs:
|
|
metadata = db_volume.get('volume_admin_metadata', [])
|
|
volume.admin_metadata = {item['key']: item['value']
|
|
for item in metadata}
|
|
if 'glance_metadata' in expected_attrs:
|
|
metadata = db_volume.get('volume_glance_metadata', [])
|
|
volume.glance_metadata = {item['key']: item['value']
|
|
for item in metadata}
|
|
if 'volume_type' in expected_attrs:
|
|
db_volume_type = db_volume.get('volume_type')
|
|
if db_volume_type:
|
|
vt_expected_attrs = []
|
|
if 'volume_type.extra_specs' in expected_attrs:
|
|
vt_expected_attrs.append('extra_specs')
|
|
volume.volume_type = objects.VolumeType._from_db_object(
|
|
context, objects.VolumeType(), db_volume_type,
|
|
expected_attrs=vt_expected_attrs)
|
|
if 'volume_attachment' in expected_attrs:
|
|
attachments = base.obj_make_list(
|
|
context, objects.VolumeAttachmentList(context),
|
|
objects.VolumeAttachment,
|
|
db_volume.get('volume_attachment'))
|
|
volume.volume_attachment = attachments
|
|
if volume.consistencygroup_id and 'consistencygroup' in expected_attrs:
|
|
consistencygroup = objects.ConsistencyGroup(context)
|
|
consistencygroup._from_db_object(context,
|
|
consistencygroup,
|
|
db_volume['consistencygroup'])
|
|
volume.consistencygroup = consistencygroup
|
|
if 'snapshots' in expected_attrs:
|
|
snapshots = base.obj_make_list(
|
|
context, objects.SnapshotList(context),
|
|
objects.Snapshot,
|
|
db_volume['snapshots'])
|
|
volume.snapshots = snapshots
|
|
if 'cluster' in expected_attrs:
|
|
db_cluster = db_volume.get('cluster')
|
|
# If this volume doesn't belong to a cluster the cluster field in
|
|
# the ORM instance will have value of None.
|
|
if db_cluster:
|
|
volume.cluster = objects.Cluster(context)
|
|
objects.Cluster._from_db_object(context, volume.cluster,
|
|
db_cluster)
|
|
else:
|
|
volume.cluster = None
|
|
if volume.group_id and 'group' in expected_attrs:
|
|
group = objects.Group(context)
|
|
group._from_db_object(context,
|
|
group,
|
|
db_volume['group'])
|
|
volume.group = group
|
|
|
|
volume._context = context
|
|
volume.obj_reset_changes()
|
|
return volume
|
|
|
|
def create(self):
|
|
if self.obj_attr_is_set('id'):
|
|
raise exception.ObjectActionError(action='create',
|
|
reason=_('already created'))
|
|
updates = self.cinder_obj_get_changes()
|
|
|
|
if 'consistencygroup' in updates:
|
|
raise exception.ObjectActionError(
|
|
action='create', reason=_('consistencygroup assigned'))
|
|
if 'snapshots' in updates:
|
|
raise exception.ObjectActionError(
|
|
action='create', reason=_('snapshots assigned'))
|
|
if 'cluster' in updates:
|
|
raise exception.ObjectActionError(
|
|
action='create', reason=_('cluster assigned'))
|
|
if 'group' in updates:
|
|
raise exception.ObjectActionError(
|
|
action='create', reason=_('group assigned'))
|
|
|
|
db_volume = db.volume_create(self._context, updates)
|
|
self._from_db_object(self._context, self, db_volume)
|
|
|
|
def save(self):
|
|
updates = self.cinder_obj_get_changes()
|
|
if updates:
|
|
# NOTE(xyang): Allow this to pass if 'consistencygroup' is
|
|
# set to None. This is to support backward compatibility.
|
|
# Also remove 'consistencygroup' from updates because
|
|
# consistencygroup is the name of a relationship in the ORM
|
|
# Volume model, so SQLA tries to do some kind of update of
|
|
# the foreign key based on the provided updates if
|
|
# 'consistencygroup' is in updates.
|
|
if updates.pop('consistencygroup', None):
|
|
raise exception.ObjectActionError(
|
|
action='save', reason=_('consistencygroup changed'))
|
|
if 'group' in updates:
|
|
raise exception.ObjectActionError(
|
|
action='save', reason=_('group changed'))
|
|
if 'glance_metadata' in updates:
|
|
raise exception.ObjectActionError(
|
|
action='save', reason=_('glance_metadata changed'))
|
|
if 'snapshots' in updates:
|
|
raise exception.ObjectActionError(
|
|
action='save', reason=_('snapshots changed'))
|
|
if 'cluster' in updates:
|
|
raise exception.ObjectActionError(
|
|
action='save', reason=_('cluster changed'))
|
|
if 'metadata' in updates:
|
|
# Metadata items that are not specified in the
|
|
# self.metadata will be deleted
|
|
metadata = updates.pop('metadata', None)
|
|
self.metadata = db.volume_metadata_update(self._context,
|
|
self.id, metadata,
|
|
True)
|
|
if self._context.is_admin and 'admin_metadata' in updates:
|
|
metadata = updates.pop('admin_metadata', None)
|
|
self.admin_metadata = db.volume_admin_metadata_update(
|
|
self._context, self.id, metadata, True)
|
|
|
|
# When we are creating a volume and we change from 'creating'
|
|
# status to 'downloading' status we have to change the worker entry
|
|
# in the DB to reflect this change, otherwise the cleanup will
|
|
# not be performed as it will be mistaken for a volume that has
|
|
# been somehow changed (reset status, forced operation...)
|
|
if updates.get('status') == 'downloading':
|
|
self.set_worker()
|
|
|
|
# updates are changed after popping out metadata.
|
|
if updates:
|
|
db.volume_update(self._context, self.id, updates)
|
|
self.obj_reset_changes()
|
|
|
|
def destroy(self):
|
|
with self.obj_as_admin():
|
|
updated_values = db.volume_destroy(self._context, self.id)
|
|
self.update(updated_values)
|
|
self.obj_reset_changes(updated_values.keys())
|
|
|
|
def obj_load_attr(self, attrname):
|
|
if attrname not in self.OPTIONAL_FIELDS:
|
|
raise exception.ObjectActionError(
|
|
action='obj_load_attr',
|
|
reason=_('attribute %s not lazy-loadable') % attrname)
|
|
if not self._context:
|
|
raise exception.OrphanedObjectError(method='obj_load_attr',
|
|
objtype=self.obj_name())
|
|
|
|
if attrname == 'metadata':
|
|
self.metadata = db.volume_metadata_get(self._context, self.id)
|
|
elif attrname == 'admin_metadata':
|
|
self.admin_metadata = {}
|
|
if self._context.is_admin:
|
|
self.admin_metadata = db.volume_admin_metadata_get(
|
|
self._context, self.id)
|
|
elif attrname == 'glance_metadata':
|
|
try:
|
|
# NOTE(dulek): We're using alias here to have conversion from
|
|
# list to dict done there.
|
|
self.volume_glance_metadata = db.volume_glance_metadata_get(
|
|
self._context, self.id)
|
|
except exception.GlanceMetadataNotFound:
|
|
# NOTE(dulek): DB API raises when volume has no
|
|
# glance_metadata. Silencing this because at this level no
|
|
# metadata is a completely valid result.
|
|
self.glance_metadata = {}
|
|
elif attrname == 'volume_type':
|
|
# If the volume doesn't have volume_type, VolumeType.get_by_id
|
|
# would trigger a db call which raise VolumeTypeNotFound exception.
|
|
self.volume_type = (objects.VolumeType.get_by_id(
|
|
self._context, self.volume_type_id) if self.volume_type_id
|
|
else None)
|
|
elif attrname == 'volume_attachment':
|
|
attachments = objects.VolumeAttachmentList.get_all_by_volume_id(
|
|
self._context, self.id)
|
|
self.volume_attachment = attachments
|
|
elif attrname == 'consistencygroup':
|
|
if self.consistencygroup_id is None:
|
|
self.consistencygroup = None
|
|
else:
|
|
consistencygroup = objects.ConsistencyGroup.get_by_id(
|
|
self._context, self.consistencygroup_id)
|
|
self.consistencygroup = consistencygroup
|
|
elif attrname == 'snapshots':
|
|
self.snapshots = objects.SnapshotList.get_all_for_volume(
|
|
self._context, self.id)
|
|
elif attrname == 'cluster':
|
|
# If this volume doesn't belong to a cluster (cluster_name is
|
|
# empty), then cluster field will be None.
|
|
if self.cluster_name:
|
|
self.cluster = objects.Cluster.get_by_id(
|
|
self._context, name=self.cluster_name)
|
|
else:
|
|
self.cluster = None
|
|
elif attrname == 'group':
|
|
if self.group_id is None:
|
|
self.group = None
|
|
else:
|
|
group = objects.Group.get_by_id(
|
|
self._context, self.group_id)
|
|
self.group = group
|
|
|
|
self.obj_reset_changes(fields=[attrname])
|
|
|
|
def delete_metadata_key(self, key):
|
|
db.volume_metadata_delete(self._context, self.id, key)
|
|
md_was_changed = 'metadata' in self.obj_what_changed()
|
|
|
|
del self.metadata[key]
|
|
self._orig_metadata.pop(key, None)
|
|
|
|
if not md_was_changed:
|
|
self.obj_reset_changes(['metadata'])
|
|
|
|
def finish_volume_migration(self, dest_volume):
|
|
# We swap fields between source (i.e. self) and destination at the
|
|
# end of migration because we want to keep the original volume id
|
|
# in the DB but now pointing to the migrated volume.
|
|
skip = ({'id', 'provider_location', 'glance_metadata',
|
|
'volume_type'} | set(self.obj_extra_fields))
|
|
for key in set(dest_volume.fields.keys()) - skip:
|
|
# Only swap attributes that are already set. We do not want to
|
|
# unexpectedly trigger a lazy-load.
|
|
if not dest_volume.obj_attr_is_set(key):
|
|
continue
|
|
|
|
value = getattr(dest_volume, key)
|
|
value_to_dst = getattr(self, key)
|
|
|
|
# Destination must have a _name_id since the id no longer matches
|
|
# the volume. If it doesn't have a _name_id we set one.
|
|
if key == '_name_id':
|
|
if not dest_volume._name_id:
|
|
setattr(dest_volume, key, self.id)
|
|
continue
|
|
elif key == 'migration_status':
|
|
value = None
|
|
value_to_dst = 'deleting'
|
|
elif key == 'display_description':
|
|
value_to_dst = 'migration src for ' + self.id
|
|
elif key == 'status':
|
|
value_to_dst = 'deleting'
|
|
# Because dest_volume will be deleted soon, we can
|
|
# skip to copy volume_type_id and volume_type which
|
|
# are not keys for volume deletion.
|
|
elif key == 'volume_type_id':
|
|
# Initialize volume_type of source volume using
|
|
# new volume_type_id.
|
|
self.update({'volume_type_id': value})
|
|
continue
|
|
|
|
setattr(self, key, value)
|
|
setattr(dest_volume, key, value_to_dst)
|
|
|
|
self.save()
|
|
dest_volume.save()
|
|
return dest_volume
|
|
|
|
def get_latest_snapshot(self):
|
|
"""Get volume's latest snapshot"""
|
|
snapshot_db = db.snapshot_get_latest_for_volume(self._context, self.id)
|
|
snapshot = objects.Snapshot(self._context)
|
|
return snapshot._from_db_object(self._context,
|
|
snapshot, snapshot_db)
|
|
|
|
@staticmethod
|
|
def _is_cleanable(status, obj_version):
|
|
# Before 1.6 we didn't have workers table, so cleanup wasn't supported.
|
|
# cleaning.
|
|
if obj_version and obj_version < 1.6:
|
|
return False
|
|
return status in ('creating', 'deleting', 'uploading', 'downloading')
|
|
|
|
def begin_attach(self, attach_mode):
|
|
attachment = objects.VolumeAttachment(
|
|
context=self._context,
|
|
attach_status=c_fields.VolumeAttachStatus.ATTACHING,
|
|
volume_id=self.id)
|
|
attachment.create()
|
|
with self.obj_as_admin():
|
|
self.admin_metadata['attached_mode'] = attach_mode
|
|
self.save()
|
|
return attachment
|
|
|
|
def finish_detach(self, attachment_id):
|
|
with self.obj_as_admin():
|
|
volume_updates, attachment_updates = (
|
|
db.volume_detached(self._context, self.id, attachment_id))
|
|
db.volume_admin_metadata_delete(self._context, self.id,
|
|
'attached_mode')
|
|
self.admin_metadata.pop('attached_mode', None)
|
|
# Remove attachment in volume only when this field is loaded.
|
|
if attachment_updates and self.obj_attr_is_set('volume_attachment'):
|
|
for i, attachment in enumerate(self.volume_attachment):
|
|
if attachment.id == attachment_id:
|
|
del self.volume_attachment.objects[i]
|
|
break
|
|
|
|
self.update(volume_updates)
|
|
self.obj_reset_changes(
|
|
list(volume_updates.keys()) +
|
|
['volume_attachment', 'admin_metadata'])
|
|
|
|
def is_replicated(self):
|
|
return self.volume_type and self.volume_type.is_replicated()
|
|
|
|
def is_multiattach(self):
|
|
return self.volume_type and self.volume_type.is_multiattach()
|
|
|
|
|
|
@base.CinderObjectRegistry.register
|
|
class VolumeList(base.ObjectListBase, base.CinderObject):
|
|
VERSION = '1.1'
|
|
|
|
fields = {
|
|
'objects': fields.ListOfObjectsField('Volume'),
|
|
}
|
|
|
|
@staticmethod
|
|
def include_in_cluster(context, cluster, partial_rename=True, **filters):
|
|
"""Include all volumes matching the filters into a cluster.
|
|
|
|
When partial_rename is set we will not set the cluster_name with
|
|
cluster parameter value directly, we'll replace provided cluster_name
|
|
or host filter value with cluster instead.
|
|
|
|
This is useful when we want to replace just the cluster name but leave
|
|
the backend and pool information as it is. If we are using
|
|
cluster_name to filter, we'll use that same DB field to replace the
|
|
cluster value and leave the rest as it is. Likewise if we use the host
|
|
to filter.
|
|
|
|
Returns the number of volumes that have been changed.
|
|
"""
|
|
return db.volume_include_in_cluster(context, cluster, partial_rename,
|
|
**filters)
|
|
|
|
@classmethod
|
|
def _get_expected_attrs(cls, context, *args, **kwargs):
|
|
expected_attrs = ['metadata', 'volume_type', 'volume_attachment']
|
|
if context.is_admin:
|
|
expected_attrs.append('admin_metadata')
|
|
|
|
return expected_attrs
|
|
|
|
@classmethod
|
|
def get_all(cls, context, marker=None, limit=None, sort_keys=None,
|
|
sort_dirs=None, filters=None, offset=None):
|
|
volumes = db.volume_get_all(context, marker, limit,
|
|
sort_keys=sort_keys, sort_dirs=sort_dirs,
|
|
filters=filters, offset=offset)
|
|
expected_attrs = cls._get_expected_attrs(context)
|
|
return base.obj_make_list(context, cls(context), objects.Volume,
|
|
volumes, expected_attrs=expected_attrs)
|
|
|
|
@classmethod
|
|
def get_all_by_host(cls, context, host, filters=None):
|
|
volumes = db.volume_get_all_by_host(context, host, filters)
|
|
expected_attrs = cls._get_expected_attrs(context)
|
|
return base.obj_make_list(context, cls(context), objects.Volume,
|
|
volumes, expected_attrs=expected_attrs)
|
|
|
|
@classmethod
|
|
def get_all_by_group(cls, context, group_id, filters=None):
|
|
# Consistency group
|
|
volumes = db.volume_get_all_by_group(context, group_id, filters)
|
|
expected_attrs = cls._get_expected_attrs(context)
|
|
return base.obj_make_list(context, cls(context), objects.Volume,
|
|
volumes, expected_attrs=expected_attrs)
|
|
|
|
@classmethod
|
|
def get_all_by_generic_group(cls, context, group_id, filters=None):
|
|
# Generic volume group
|
|
volumes = db.volume_get_all_by_generic_group(context, group_id,
|
|
filters)
|
|
expected_attrs = cls._get_expected_attrs(context)
|
|
return base.obj_make_list(context, cls(context), objects.Volume,
|
|
volumes, expected_attrs=expected_attrs)
|
|
|
|
@classmethod
|
|
def get_all_by_project(cls, context, project_id, marker=None, limit=None,
|
|
sort_keys=None, sort_dirs=None, filters=None,
|
|
offset=None):
|
|
volumes = db.volume_get_all_by_project(context, project_id, marker,
|
|
limit, sort_keys=sort_keys,
|
|
sort_dirs=sort_dirs,
|
|
filters=filters, offset=offset)
|
|
expected_attrs = cls._get_expected_attrs(context)
|
|
return base.obj_make_list(context, cls(context), objects.Volume,
|
|
volumes, expected_attrs=expected_attrs)
|
|
|
|
@classmethod
|
|
def get_volume_summary(cls, context, project_only, filters=None):
|
|
volumes = db.get_volume_summary(context, project_only, filters)
|
|
return volumes
|
|
|
|
@classmethod
|
|
def get_all_active_by_window(cls, context, begin, end):
|
|
volumes = db.volume_get_all_active_by_window(context, begin, end)
|
|
expected_attrs = cls._get_expected_attrs(context)
|
|
return base.obj_make_list(context, cls(context), objects.Volume,
|
|
volumes, expected_attrs=expected_attrs)
|