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scylladb/dist/common/scripts/scylla_kernel_check

51 lines
1.9 KiB
Python
Executable File

#!/usr/bin/env python3
# -*- coding: utf-8 -*-
#
# Copyright 2018-present ScyllaDB
#
#
# This file is part of Scylla.
#
# Scylla is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Scylla is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Scylla. If not, see <http://www.gnu.org/licenses/>.
import os
import sys
import shutil
from scylla_util import *
from subprocess import run, DEVNULL
if __name__ == '__main__':
if os.getuid() > 0:
print('Requires root permission.')
sys.exit(1)
if not shutil.which('mkfs.xfs'):
pkg_install('xfsprogs')
os.makedirs('/var/tmp/mnt', exist_ok=True)
run('dd if=/dev/zero of=/var/tmp/kernel-check.img bs=1M count=128', shell=True, check=True, stdout=DEVNULL, stderr=DEVNULL)
run('mkfs.xfs /var/tmp/kernel-check.img', shell=True, check=True, stdout=DEVNULL, stderr=DEVNULL)
run('mount /var/tmp/kernel-check.img /var/tmp/mnt -o loop', shell=True, check=True, stdout=DEVNULL, stderr=DEVNULL)
ret = run('iotune --fs-check --evaluation-directory /var/tmp/mnt', shell=True).returncode
run('umount /var/tmp/mnt', shell=True, check=True)
shutil.rmtree('/var/tmp/mnt')
os.remove('/var/tmp/kernel-check.img')
if ret == 0:
print('This is a supported kernel version.')
else:
print('Please upgrade to a newer kernel version.')
print(' see https://docs.scylladb.com/troubleshooting/error_messages/kb_fs_not_qualified_aio/ for details')
sys.exit(ret)