def check_growth(self, **growth):
if int(self.level) in (0, 10):
raise storage2.StorageError("Raid%s doesn't support growth" %
self.level)
disk_growth = growth.get('disks')
change_disks = False
if disk_growth:
for disk_cfg_or_obj in self.disks:
disk = storage2.volume(disk_cfg_or_obj)
try:
disk.check_growth(**disk_growth)
change_disks = True
except storage2.NoOpError:
pass
new_len = growth.get('disks_count')
current_len = len(self.disks)
change_size = new_len and int(new_len) != current_len
if not change_size and not change_disks:
raise storage2.NoOpError('Configurations are equal. Nothing to do')
if change_size and int(new_len) < current_len:
raise storage2.StorageError('Disk count can only be increased.')
if change_size and int(self.level) in (0, 10):
raise storage2.StorageError("Can't add disks to raid level %s" %
self.level)
def check_growth(self, **growth):
size = growth.get('size')
target_size = int(size or self.size)
ebs_type = growth.get('volume_type')
target_type = ebs_type or self.volume_type
iops = growth.get('iops')
target_iops = iops or self.iops
change_type = ebs_type and ebs_type != self.volume_type
change_size = size and size != self.size
change_iops = iops and iops != self.iops
if not (change_size or change_type or change_iops):
raise storage2.NoOpError('New ebs volume configuration is equal'
' to present. Nothing to do.')
if target_iops and (target_type != 'io1'):
raise storage2.StorageError('EBS iops can only be used with '
'io1 volume type')
if 'io1' == target_type and not target_iops:
raise storage2.StorageError('Iops parameter must be specified '
'for io1 volumes')
if size and int(size) < self.size:
raise storage2.StorageError('New size is smaller than old.')