def reassign_volume(volume, project):
if volume.index == 0:
raise faults.Conflict("Cannot reassign: %s is a system volume" %
volume.id)
if volume.machine_id is not None:
server = util.get_server(volume.userid, volume.machine_id,
for_update=True, non_deleted=True,
exception=faults.BadRequest)
commands.validate_server_action(server, "REASSIGN")
action_fields = {"from_project": volume.project, "to_project": project}
log.info("Reassigning volume %s from project %s to %s",
volume.id, volume.project, project)
volume.project = project
volume.save()
quotas.issue_and_accept_commission(volume, action="REASSIGN",
action_fields=action_fields)
def delete(volume):
"""Delete a Volume"""
# A volume is deleted by detaching it from the server that is attached.
# Deleting a detached volume is not implemented.
server_id = volume.machine_id
if server_id is not None:
server = util.get_server(volume.userid, server_id, for_update=True,
non_deleted=True,
exception=faults.BadRequest)
server_attachments.detach_volume(server, volume)
log.info("Detach volume '%s' from server '%s', job: %s",
volume.id, server_id, volume.backendjobid)
else:
raise faults.BadRequest("Cannot delete a detached volume")
return volume
def delete(volume):
"""Delete a Volume"""
# A volume is deleted by detaching it from the server that is attached.
# Deleting a detached volume is not implemented.
server_id = volume.machine_id
if server_id is not None:
server = util.get_server(volume.userid,
server_id,
for_update=True,
non_deleted=True,
exception=faults.BadRequest)
server_attachments.detach_volume(server, volume)
log.info("Detach volume '%s' from server '%s', job: %s", volume.id,
server_id, volume.backendjobid)
else:
raise faults.BadRequest("Cannot delete a detached volume")
return volume
def reassign_volume(volume, project):
if volume.index == 0:
raise faults.Conflict("Cannot reassign: %s is a system volume" %
volume.id)
if volume.machine_id is not None:
server = util.get_server(volume.userid,
volume.machine_id,
for_update=True,
non_deleted=True,
exception=faults.BadRequest)
commands.validate_server_action(server, "REASSIGN")
action_fields = {"from_project": volume.project, "to_project": project}
log.info("Reassigning volume %s from project %s to %s", volume.id,
volume.project, project)
volume.project = project
volume.save()
quotas.issue_and_accept_commission(volume,
action="REASSIGN",
action_fields=action_fields)
def create(user_id,
size,
server_id,
name=None,
description=None,
source_volume_id=None,
source_snapshot_id=None,
source_image_id=None,
volume_type_id=None,
metadata=None,
project=None):
# Currently we cannot create volumes without being attached to a server
if server_id is None:
raise faults.BadRequest("Volume must be attached to server")
server = util.get_server(user_id,
server_id,
for_update=True,
non_deleted=True,
exception=faults.BadRequest)
server_vtype = server.flavor.volume_type
if volume_type_id is not None:
volume_type = util.get_volume_type(volume_type_id,
include_deleted=False,
exception=faults.BadRequest)
if volume_type != server_vtype:
raise faults.BadRequest("Cannot create a volume with type '%s' to"
" a server with volume type '%s'." %
(volume_type.id, server_vtype.id))
else:
volume_type = server_vtype
# Assert that not more than one source are used
sources = filter(lambda x: x is not None,
[source_volume_id, source_snapshot_id, source_image_id])
if len(sources) > 1:
raise faults.BadRequest("Volume can not have more than one source!")
if source_volume_id is not None:
source_type = "volume"
source_uuid = source_volume_id
elif source_snapshot_id is not None:
source_type = "snapshot"
source_uuid = source_snapshot_id
elif source_image_id is not None:
source_type = "image"
source_uuid = source_image_id
else:
source_type = "blank"
source_uuid = None
if project is None:
project = user_id
if metadata is not None and \
len(metadata) > settings.CYCLADES_VOLUME_MAX_METADATA:
raise faults.BadRequest("Volumes cannot have more than %s metadata "
"items" %
settings.CYCLADES_VOLUME_MAX_METADATA)
volume = _create_volume(server,
user_id,
project,
size,
source_type,
source_uuid,
volume_type=volume_type,
name=name,
description=description,
index=None)
if metadata is not None:
for meta_key, meta_val in metadata.items():
utils.check_name_length(meta_key, VolumeMetadata.KEY_LENGTH,
"Metadata key is too long")
utils.check_name_length(meta_val, VolumeMetadata.VALUE_LENGTH,
"Metadata key is too long")
volume.metadata.create(key=meta_key, value=meta_val)
server_attachments.attach_volume(server, volume)
return volume
def create(user_id, size, server_id, name=None, description=None,
source_volume_id=None, source_snapshot_id=None,
source_image_id=None, volume_type_id=None, metadata=None,
project=None):
# Currently we cannot create volumes without being attached to a server
if server_id is None:
raise faults.BadRequest("Volume must be attached to server")
server = util.get_server(user_id, server_id, for_update=True,
non_deleted=True,
exception=faults.BadRequest)
server_vtype = server.flavor.volume_type
if volume_type_id is not None:
volume_type = util.get_volume_type(volume_type_id,
include_deleted=False,
exception=faults.BadRequest)
if volume_type != server_vtype:
raise faults.BadRequest("Cannot create a volume with type '%s' to"
" a server with volume type '%s'."
% (volume_type.id, server_vtype.id))
else:
volume_type = server_vtype
# Assert that not more than one source are used
sources = filter(lambda x: x is not None,
[source_volume_id, source_snapshot_id, source_image_id])
if len(sources) > 1:
raise faults.BadRequest("Volume can not have more than one source!")
if source_volume_id is not None:
source_type = "volume"
source_uuid = source_volume_id
elif source_snapshot_id is not None:
source_type = "snapshot"
source_uuid = source_snapshot_id
elif source_image_id is not None:
source_type = "image"
source_uuid = source_image_id
else:
source_type = "blank"
source_uuid = None
if project is None:
project = user_id
if metadata is not None and \
len(metadata) > settings.CYCLADES_VOLUME_MAX_METADATA:
raise faults.BadRequest("Volumes cannot have more than %s metadata "
"items" %
settings.CYCLADES_VOLUME_MAX_METADATA)
volume = _create_volume(server, user_id, project, size,
source_type, source_uuid,
volume_type=volume_type, name=name,
description=description, index=None)
if metadata is not None:
for meta_key, meta_val in metadata.items():
utils.check_name_length(meta_key, VolumeMetadata.KEY_LENGTH,
"Metadata key is too long")
utils.check_name_length(meta_val, VolumeMetadata.VALUE_LENGTH,
"Metadata key is too long")
volume.metadata.create(key=meta_key, value=meta_val)
server_attachments.attach_volume(server, volume)
return volume
