blob: ed1722e24fb79dd931104bd823155247e239fe52 [file] [log] [blame]
# Copyright (c) 2014 The Chromium OS Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
import logging
import os
from autotest_lib.client.bin import test, utils
from autotest_lib.client.common_lib import error
ROOTFS_SIZE_2G = 2 * 1024 * 1024 * 1024
ROOTFS_SIZE_4G = 4 * 1024 * 1024 * 1024
class platform_PartitionCheck(test.test):
Verify partition size is correct.
version = 1
def get_block_size(self, device):
Check the block size of a block device.
@param device: string, name of the block device.
int, size of block in bytes.
# Construct a pathname to find the logic block size for this device
sysfs_path = os.path.join('/sys', 'block', device,
'queue', 'logical_block_size')
return int(utils.read_one_line(sysfs_path))
def get_partition_size(self, device, partition):
Get the number of blocks in the partition.
@param device: string, name of the block device.
@param partition: string, partition name
int, number of blocks
part_file = os.path.join('/sys', 'block', device, partition, 'size')
part_blocks = int(utils.read_one_line(part_file))
return part_blocks
def run_once(self):
errors = []
device = os.path.basename(utils.get_fixed_dst_drive())
partitions = [utils.concat_partition(device, i) for i in (3, 5)]
block_size = self.get_block_size(device)
for p in partitions:
pblocks = self.get_partition_size(device, p)
psize = pblocks * block_size
if psize != ROOTFS_SIZE_2G and psize != ROOTFS_SIZE_4G:
errmsg = ('%s is %d bytes, expected %d or %d' %
# If self.error is not zero, there were errors.
if errors:
raise error.TestFail('There were %d partition errors: %s' %
(len(errors), ': '.join(errors)))