def clean(self):
"""Validate the lv_size."""
cleaned_data = super(LVMStorageLayout, self).clean()
lv_size = self.get_lv_size()
if lv_size is not None:
root_size = self.get_root_size()
if root_size is None:
root_size = (
self.boot_disk.size
- EFI_PARTITION_SIZE
- self.get_boot_size()
)
if is_percentage(lv_size):
lv_size = calculate_size_from_percentage(root_size, lv_size)
if lv_size < MIN_ROOT_PARTITION_SIZE:
set_form_error(
self,
"lv_size",
"Size is too small. Minimum size is %s."
% MIN_ROOT_PARTITION_SIZE,
)
if lv_size > root_size:
set_form_error(
self,
"lv_size",
"Size is too large. Maximum size is %s." % root_size,
)
cleaned_data["lv_size"] = lv_size
return cleaned_data
def clean(self):
# Circular imports.
from maasserver.models.blockdevice import MIN_BLOCK_DEVICE_SIZE
cleaned_data = super(BcacheStorageLayoutBase, self).clean()
cache_device = self.get_cache_device()
cache_size = self.get_cache_size()
cache_no_part = self.get_cache_no_part()
if cache_size is not None and cache_no_part:
error_msg = (
"Cannot use cache_size and cache_no_part at the same time."
)
set_form_error(self, "cache_size", error_msg)
set_form_error(self, "cache_no_part", error_msg)
elif cache_device is not None and cache_size is not None:
if is_percentage(cache_size):
cache_size = calculate_size_from_percentage(
cache_device.size, cache_size
)
if cache_size < MIN_BLOCK_DEVICE_SIZE:
set_form_error(
self,
"cache_size",
"Size is too small. Minimum size is %s."
% MIN_BLOCK_DEVICE_SIZE,
)
if cache_size > cache_device.size:
set_form_error(
self,
"cache_size",
"Size is too large. Maximum size is %s."
% (cache_device.size),
)
cleaned_data["cache_size"] = cache_size
return cleaned_data
def _clean_size(self, field, min_size=None, max_size=None):
"""Clean a size field."""
size = self.cleaned_data[field]
if size is None:
return None
if is_percentage(size):
# Calculate the percentage not counting the EFI partition.
size = calculate_size_from_percentage(
self.boot_disk.size - EFI_PARTITION_SIZE, size)
if min_size is not None and size < min_size:
raise ValidationError("Size is too small. Minimum size is %s." %
min_size)
if max_size is not None and size > max_size:
raise ValidationError("Size is too large. Maximum size is %s." %
max_size)
return size
