AlkantarClanX12
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# -*- coding: utf-8 -*-
# Copyright © Cloud Linux GmbH & Cloud Linux Software, Inc 2010-2019 All Rights Reserved
#
# Licensed under CLOUD LINUX LICENSE AGREEMENT
# http://cloudlinux.com/docs/LICENSE.TXT
# show cagefs usage statistics - work for cloudlinux-config utility
import os
import subprocess
from typing import Optional # NOQA
BIN_EXEC = '/usr/sbin/cagefsctl'
CAGEFS_STATUS_NOT_INITIALIZED = 'Not initialized'
CAGEFS_STATUS_NOT_INSTALLED = 'Not installed'
def get_cagefs_user_mode():
# type: () -> Optional[str]
"""
Get Cagefs user mode, execute cagefsctl --display-user-mode cmd
:return string -> cagefs user mode
"""
if os.path.exists(BIN_EXEC):
try:
with subprocess.Popen(
[BIN_EXEC, '--display-user-mode'],
stdout=subprocess.PIPE,
stderr=subprocess.PIPE,
text=True,
) as proc:
out, _ = proc.communicate()
try:
return out.split(':')[1].strip()
except IndexError:
return None
except (OSError, IOError):
return None
def get_cagefs_status():
"""
Get Cagefs user status, execute cagefsctl --cagefs-status cmd
:return string -> cagefs status
"""
if not os.path.exists(BIN_EXEC):
return CAGEFS_STATUS_NOT_INSTALLED
if not check_cagefs_initialized():
return CAGEFS_STATUS_NOT_INITIALIZED
try:
with subprocess.Popen(
[BIN_EXEC, '--cagefs-status'],
stdout=subprocess.PIPE,
stderr=subprocess.PIPE,
text=True,
) as proc:
out, _ = proc.communicate()
return out.strip()
except (OSError, IOError):
return None
def get_quantity(enabled):
"""
Get Cagefs quantity if enabled/disabled users, execute
cagefsctl --list-enabled cmd for enabled users
execute cagefsctl --list-disabled cmd for disabled users
:param enabled: true/false flag for quantity enabled/disabled users
:return int -> quantity of users
"""
if os.path.exists(BIN_EXEC):
try:
if enabled:
cmd = '--list-enabled'
else:
cmd = '--list-disabled'
# do not need to check returncode for cagefsctl, not always returns 0
with subprocess.Popen(
[BIN_EXEC, cmd],
stdout=subprocess.PIPE,
stderr=subprocess.PIPE,
text=True,
) as proc:
out, _ = proc.communicate()
try:
stat = list(out.split('\n'))
if not stat[0]:
return 0
return int(stat[0].split(' ')[0])
except (IndexError, ValueError):
return None
except (OSError, IOError):
return None
def check_cagefs_initialized():
"""
Check if cagefs is initialized with help of --check-cagefs-skeleton command
--check-cagefs-skeleton returns rc 0 only if it is initialized
"""
try:
subprocess.check_output([BIN_EXEC, '--check-cagefs-initialized'],
stderr=subprocess.STDOUT, shell=False)
return True
except (subprocess.CalledProcessError, OSError):
return False