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# -*- coding: utf-8 -*-
# Copyright © Cloud Linux GmbH & Cloud Linux Software, Inc 2010-2022 All Rights Reserved
#
# Licensed under CLOUD LINUX LICENSE AGREEMENT
# http://cloudlinux.com/docs/LICENSE.TXT
#
import re
import os
from typing import Optional
from clcommon.utils import get_mount_point, run_command, ExternalProgramFailed
USER_QUOTA_ON_PATTERN = re.compile(r'user quota on .+ \(.+\) is on')
def check_quota_enabled(path: str = '/home') -> Optional[str]:
"""
Check if quotas enabled and initialised for specific path
:return: string message with giagnostick information if disabled; None if enabled
"""
if not os.path.isfile('/sbin/quotaon'):
return 'Package "quota" not installed'
try:
mount_point = get_mount_point(path)
except (OSError, ExternalProgramFailed) as e:
return f'Error during mount point detection:\n{e}'
try:
quotaon_cmd = ['/sbin/quotaon', '-up', mount_point]
quotaon_output = run_command(quotaon_cmd)
except ExternalProgramFailed as e:
quotaon_output = str(e)
quotaon_output = quotaon_output.strip()
# detect "user quota on / (/dev/mapper/VolGroup-lv_root) is on"
if not USER_QUOTA_ON_PATTERN.search(quotaon_output):
return quotaon_output
return None