def wrapper(self, ctx, volume_id, *args, **kwargs):
try:
res = method(self, ctx, volume_id, *args, **kwargs)
except (keystone_exception.NotFound, cinder_exception.NotFound):
_reraise(exception.VolumeNotFound(volume_id=volume_id))
except keystone_exception.RequestEntityTooLarge as e:
_reraise(exception.VolumeLimitExceeded(reason=e.message))
except cinder_exception.OverLimit as e:
_reraise(exception.VolumeLimitExceeded(reason=e.message))
except (cinder_exception.BadRequest,
keystone_exception.BadRequest) as e:
_reraise(exception.InvalidInput(reason=e))
return res
def create(self,
context,
size,
name,
description,
snapshot=None,
volume_type=None,
metadata=None,
availability_zone=None):
check_policy(context, 'create')
if snapshot is not None:
if snapshot['status'] != "available":
msg = _("status must be available")
raise exception.InvalidSnapshot(reason=msg)
if not size:
size = snapshot['volume_size']
snapshot_id = snapshot['id']
else:
snapshot_id = None
def as_int(s):
try:
return int(s)
except ValueError:
return s
# tolerate size as stringified int
size = as_int(size)
if not isinstance(size, int) or size <= 0:
msg = (
_("Volume size '%s' must be an integer and greater than 0") %
size)
raise exception.InvalidInput(reason=msg)
try:
reservations = QUOTAS.reserve(context, volumes=1, gigabytes=size)
except exception.OverQuota as e:
overs = e.kwargs['overs']
usages = e.kwargs['usages']
quotas = e.kwargs['quotas']
def _consumed(name):
return (usages[name]['reserved'] + usages[name]['in_use'])
pid = context.project_id
if 'gigabytes' in overs:
consumed = _consumed('gigabytes')
quota = quotas['gigabytes']
LOG.warn(
_("Quota exceeded for %(pid)s, tried to create "
"%(size)sG volume (%(consumed)dG of %(quota)dG "
"already consumed)") % locals())
raise exception.VolumeSizeTooLarge()
elif 'volumes' in overs:
consumed = _consumed('volumes')
LOG.warn(
_("Quota exceeded for %(pid)s, tried to create "
"volume (%(consumed)d volumes already consumed)") %
locals())
raise exception.VolumeLimitExceeded(allowed=quotas['volumes'])
if availability_zone is None:
availability_zone = FLAGS.storage_availability_zone
if volume_type is None:
volume_type_id = None
else:
volume_type_id = volume_type.get('id', None)
options = {
'size': size,
'user_id': context.user_id,
'project_id': context.project_id,
'snapshot_id': snapshot_id,
'availability_zone': availability_zone,
'status': "creating",
'attach_status': "detached",
'display_name': name,
'display_description': description,
'volume_type_id': volume_type_id,
'metadata': metadata,
}
volume = self.db.volume_create(context, options)
self._cast_create_volume(context, volume['id'], snapshot_id,
reservations)
return volume