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# -*- coding: utf-8 -*-
# Copyright © Cloud Linux GmbH & Cloud Linux Software, Inc 2010-2021 All Rights Reserved
#
# Licensed under CLOUD LINUX LICENSE AGREEMENT
# http://cloudlinux.com/docs/LICENSE.TXT
import logging
import os
import subprocess
from glob import iglob
from xray.internal.constants import request_data_storage, local_tasks_storage
from xray.internal.utils import dbm_storage
from xray.internal.types import Task
logger = logging.getLogger('reconfiguration')
def get_locations() -> tuple:
"""
Return all possible locations of xray.ini files in glob-like form
Panel independent
"""
return (
'/opt/alt/php*/link/conf',
'/var/cagefs/*/*/etc/cl.php.d/alt-php*',
'/opt/cpanel/ea-php*/root/etc/php.d',
'/opt/plesk/php/*/etc/php.d',
'/usr/local/php*/lib/php.conf.d',
'/usr/share/cagefs/.cpanel.multiphp/opt/cpanel/ea-php*/root/etc/php.d',
'/usr/share/cagefs-skeleton/usr/local/php*/lib/php.conf.d'
)
def safe_unlink(_fpath):
"""Wrapped unlink"""
try:
os.unlink(_fpath)
except OSError as e:
logger.warning('%s not removed, reason: %s', _fpath, e)
def find_xray_inis(globpath: str) -> str:
"""
Find xray.ini files in every directory matching given glob-like path.
Return full path to xray.ini
"""
for conf_dir in iglob(globpath):
for name in os.listdir(conf_dir):
if 'xray.ini' in name:
yield os.path.join(conf_dir, name)
def remove_xray_inis() -> None:
"""
Remove all xray.ini files found in filesystem
"""
for location in get_locations():
for xray_ini in find_xray_inis(location):
logger.info('Removing %s', xray_ini)
safe_unlink(xray_ini)
def remove_xray_tasks() -> None:
"""
Remove all xray.tasks files found in filesystem
"""
for tasks_file in iglob('/usr/share/alt-php-xray-tasks/*/xray.tasks'):
logger.info('Removing %s', tasks_file)
safe_unlink(tasks_file)
def clear_dbm_file() -> None:
"""
Remove all entries from local dbm file with fake_ids mapping
"""
with dbm_storage(local_tasks_storage) as task_storage:
for item in task_storage.keys():
logger.info('Clear task %s', item.decode())
del task_storage[item]
def remove_req_id_files() -> None:
"""
Remove all request_id files
"""
for name in os.listdir(request_data_storage):
logger.info('Clear request_id for %s', name)
safe_unlink(os.path.join(request_data_storage, name))
def restart_agent() -> None:
"""
Restart X Ray Agent
"""
try:
subprocess.run(['/sbin/service',
'xray-agent',
'restart'],
capture_output=True, text=True)
logger.info('X Ray Agent restarted')
except (OSError, ValueError, subprocess.SubprocessError) as e:
logger.error('Failed to restart X-Ray Agent',
extra={'err': str(e)})
def reconfigure():
"""
Perform reconfiguration
"""
logger.info('system_id shift: reconfigure...')
remove_xray_inis()
remove_xray_tasks()
remove_req_id_files()
clear_dbm_file()
restart_agent()
logger.info('reconfiguration for system_id shift case completed')
def _clean_garbage_tasks():
"""
1. Get all tasks through /usr/share/alt-php-xray-tasks/*/xray.tasks
ncuser.com:/*:*:e754fbfdea1eb6f75247
2. Check that fake_id is present in local storage: /usr/share/alt-php-xray/tasks
3. If it is not -> task is broken/garbage and must be removed
"""
if not os.path.exists(local_tasks_storage):
logger.info('Local storage %s is absent, nothing to do', local_tasks_storage)
return
with dbm_storage(local_tasks_storage) as task_storage:
fake_tasks_ids = list(task_storage.keys())
for task_file in iglob('/usr/share/alt-php-xray-tasks/*/xray.tasks'):
alive_tasks = []
tasks = Task.read_file(task_file)
for task in tasks.split(','):
# 'quser.com:/*:*:2bf76cc3989e4b63f6c3'
fake_id = task.split(':')[3]
if fake_id.encode() in fake_tasks_ids:
alive_tasks.append(task)
if alive_tasks:
logger.info('Writing tasks %s to %s', ','.join(alive_tasks), task_file)
Task.unified_write(task_file, ','.join(alive_tasks), target_uid=0,
target_gid=os.stat(task_file).st_gid, mask=0o137)
else:
# all tasks are garbage, no need to leave file
logger.info('No real tasks in %s, removing file', task_file)
Task.unified_erase(task_file)
def cleanup_garbage_tasks():
try:
_clean_garbage_tasks()
except Exception:
logger.exception('Error during cleaning garbage x-ray tasks')
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