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task.py
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task.py
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#!/bin/python
#coding: utf-8
# +-------------------------------------------------------------------
# | 宝塔Linux面板
# +-------------------------------------------------------------------
# | Copyright (c) 2015-2016 宝塔软件(http://bt.cn) All rights reserved.
# +-------------------------------------------------------------------
# | Author: 黄文良 <[email protected]>
# +-------------------------------------------------------------------
#------------------------------
# 计划任务
#------------------------------
import sys
import os
import logging
from json import dumps,loads
from psutil import Process,pids,cpu_count,cpu_percent,net_io_counters,disk_io_counters,virtual_memory
sys.path.insert(0,"/www/server/panel/class/")
import db
import public
import time
import panelTask
global pre,timeoutCount,logPath,isTask,oldEdate,isCheck
pre = 0
timeoutCount = 0
isCheck = 0
oldEdate = None
logPath = '/tmp/panelExec.log'
isTask = '/tmp/panelTask.pl'
def get_python_bin():
bin_file = '/www/server/panel/pyenv/bin/python'
if os.path.exists(bin_file):
return bin_file
return '/usr/bin/python'
def ReadFile(filename,mode = 'r'):
"""
读取文件内容
@filename 文件名
return string(bin) 若文件不存在,则返回None
"""
if not os.path.exists(filename): return False
f_body = None
with open(filename, mode) as fp:
f_body = fp.read()
return f_body
#下载文件
def DownloadFile(url,filename):
try:
import urllib,socket
socket.setdefaulttimeout(10)
urllib.urlretrieve(url,filename=filename ,reporthook= DownloadHook)
os.system('chown www.www ' + filename)
WriteLogs('done')
except:
WriteLogs('done')
#下载文件进度回调
def DownloadHook(count, blockSize, totalSize):
global pre
used = count * blockSize
pre1 = int((100.0 * used / totalSize))
if pre == pre1:
return
speed = {'total':totalSize,'used':used,'pre':pre}
WriteLogs(dumps(speed))
pre = pre1
#写输出日志
def WriteLogs(logMsg):
try:
global logPath
with open(logPath,'w+') as fp:
fp.write(logMsg)
fp.close()
except:
pass
def ExecShell(cmdstring, cwd=None, timeout=None, shell=True):
try:
global logPath
import shlex
import datetime
import subprocess
import time
sub = subprocess.Popen(cmdstring+' &> '+logPath, cwd=cwd, stdin=subprocess.PIPE,shell=shell,bufsize=4096)
while sub.poll() is None:
time.sleep(0.1)
return sub.returncode
except:
return None
#任务队列
def startTask():
global isTask
try:
while True:
try:
if os.path.exists(isTask):
with db.Sql() as sql:
sql.table('tasks').where("status=?",('-1',)).setField('status','0')
taskArr = sql.table('tasks').where("status=?",('0',)).field('id,type,execstr').order("id asc").select()
for value in taskArr:
start = int(time.time())
if not sql.table('tasks').where("id=?",(value['id'],)).count(): continue
sql.table('tasks').where("id=?",(value['id'],)).save('status,start',('-1',start))
if value['type'] == 'download':
argv = value['execstr'].split('|bt|')
DownloadFile(argv[0],argv[1])
elif value['type'] == 'execshell':
ExecShell(value['execstr'])
end = int(time.time())
sql.table('tasks').where("id=?",(value['id'],)).save('status,end',('1',end))
if(sql.table('tasks').where("status=?",('0')).count() < 1):
if os.path.exists(isTask): os.remove(isTask)
#ExecShell('rm -f ' + isTask)
sql.close()
taskArr = None
except:
pass
siteEdate()
time.sleep(2)
except Exception as ex:
logging.debug(ex)
time.sleep(60)
startTask()
#网站到期处理
def siteEdate():
global oldEdate
try:
if not oldEdate: oldEdate = ReadFile('/www/server/panel/data/edate.pl')
if not oldEdate: oldEdate = '0000-00-00'
mEdate = time.strftime('%Y-%m-%d',time.localtime())
if oldEdate == mEdate: return False
os.system(get_python_bin() + " /www/server/panel/script/site_task.py > /dev/null")
except Exception as ex:
logging.debug(ex)
pass
def GetLoadAverage():
c = os.getloadavg()
data = {}
data['one'] = float(c[0])
data['five'] = float(c[1])
data['fifteen'] = float(c[2])
data['max'] = cpu_count() * 2
data['limit'] = data['max']
data['safe'] = data['max'] * 0.75
return data
#系统监控任务
def systemTask():
try:
filename = 'data/control.conf'
with db.Sql() as sql:
sql = sql.dbfile('system')
csql = '''CREATE TABLE IF NOT EXISTS `load_average` (
`id` INTEGER PRIMARY KEY AUTOINCREMENT,
`pro` REAL,
`one` REAL,
`five` REAL,
`fifteen` REAL,
`addtime` INTEGER
)'''
sql.execute(csql,())
sql.close()
count = 0
reloadNum=0
network_up = network_down = diskio_1 = diskio_2 = networkInfo = cpuInfo = diskInfo = None
while True:
if not os.path.exists(filename):
time.sleep(10)
continue
day = 30
try:
day = int(ReadFile(filename))
if day < 1:
time.sleep(10)
continue
except:
day = 30
tmp = {}
#取当前CPU Io
tmp['used'] = cpu_percent(interval=1)
if not cpuInfo:
tmp['mem'] = GetMemUsed()
cpuInfo = tmp
if cpuInfo['used'] < tmp['used']:
tmp['mem'] = GetMemUsed()
cpuInfo = tmp
#取当前网络Io
networkIo = net_io_counters()[:4]
if not network_up:
network_up = networkIo[0]
network_down = networkIo[1]
tmp = {}
tmp['upTotal'] = networkIo[0]
tmp['downTotal'] = networkIo[1]
tmp['up'] = round(float((networkIo[0] - network_up) / 1024),2)
tmp['down'] = round(float((networkIo[1] - network_down) / 1024),2)
tmp['downPackets'] = networkIo[3]
tmp['upPackets'] = networkIo[2]
network_up = networkIo[0]
network_down = networkIo[1]
if not networkInfo: networkInfo = tmp
if (tmp['up'] + tmp['down']) > (networkInfo['up'] + networkInfo['down']): networkInfo = tmp
#取磁盘Io
disk_ios = True
try:
if os.path.exists('/proc/diskstats'):
diskio_2 = disk_io_counters()
if not diskio_1: diskio_1 = diskio_2
tmp = {}
tmp['read_count'] = diskio_2.read_count - diskio_1.read_count
tmp['write_count'] = diskio_2.write_count - diskio_1.write_count
tmp['read_bytes'] = diskio_2.read_bytes - diskio_1.read_bytes
tmp['write_bytes'] = diskio_2.write_bytes - diskio_1.write_bytes
tmp['read_time'] = diskio_2.read_time - diskio_1.read_time
tmp['write_time'] = diskio_2.write_time - diskio_1.write_time
if not diskInfo:
diskInfo = tmp
else:
diskInfo['read_count'] += tmp['read_count']
diskInfo['write_count'] += tmp['write_count']
diskInfo['read_bytes'] += tmp['read_bytes']
diskInfo['write_bytes'] += tmp['write_bytes']
diskInfo['read_time'] += tmp['read_time']
diskInfo['write_time'] += tmp['write_time']
diskio_1 = diskio_2
except:
logging.info(public.get_error_info())
disk_ios = False
#print diskInfo
if count >= 12:
try:
sql = db.Sql().dbfile('system')
addtime = int(time.time())
deltime = addtime - (day * 86400)
data = (cpuInfo['used'],cpuInfo['mem'],addtime)
sql.table('cpuio').add('pro,mem,addtime',data)
sql.table('cpuio').where("addtime<?",(deltime,)).delete()
data = (networkInfo['up'] / 5,networkInfo['down'] / 5,networkInfo['upTotal'],networkInfo['downTotal'],networkInfo['downPackets'],networkInfo['upPackets'],addtime)
sql.table('network').add('up,down,total_up,total_down,down_packets,up_packets,addtime',data)
sql.table('network').where("addtime<?",(deltime,)).delete()
if os.path.exists('/proc/diskstats') and disk_ios:
data = (diskInfo['read_count'],diskInfo['write_count'],diskInfo['read_bytes'],diskInfo['write_bytes'],diskInfo['read_time'],diskInfo['write_time'],addtime)
sql.table('diskio').add('read_count,write_count,read_bytes,write_bytes,read_time,write_time,addtime',data)
sql.table('diskio').where("addtime<?",(deltime,)).delete()
#LoadAverage
load_average = GetLoadAverage()
lpro = round((load_average['one'] / load_average['max']) * 100,2)
if lpro > 100: lpro = 100
sql.table('load_average').add('pro,one,five,fifteen,addtime',(lpro,load_average['one'],load_average['five'],load_average['fifteen'],addtime))
sql.close()
lpro = None
load_average = None
cpuInfo = None
networkInfo = None
diskInfo = None
data = None
count = 0
reloadNum += 1
if reloadNum > 1440:
reloadNum = 0
except Exception as ex:
logging.debug(str(ex))
del(tmp)
time.sleep(5)
count +=1
except Exception as ex:
logging.debug(ex)
time.sleep(30)
systemTask()
#取内存使用率
def GetMemUsed():
try:
mem = virtual_memory()
memInfo = {'memTotal':mem.total/1024/1024,'memFree':mem.free/1024/1024,'memBuffers':mem.buffers/1024/1024,'memCached':mem.cached/1024/1024}
tmp = memInfo['memTotal'] - memInfo['memFree'] - memInfo['memBuffers'] - memInfo['memCached']
tmp1 = memInfo['memTotal'] / 100
return (tmp / tmp1)
except:
return 1
#检查502错误
def check502():
try:
phpversions = ['53','54','55','56','70','71','72','73','74','80']
for version in phpversions:
php_path = '/www/server/php/' + version + '/sbin/php-fpm'
if not os.path.exists(php_path): continue
if checkPHPVersion(version): continue
if startPHPVersion(version):
public.WriteLog('PHP守护程序','检测到PHP-' + version + '处理异常,已自动修复!',not_web = True)
except Exception as ex:
logging.info(ex)
#处理指定PHP版本
def startPHPVersion(version):
try:
fpm = '/etc/init.d/php-fpm-'+version
php_path = '/www/server/php/' + version + '/sbin/php-fpm'
if not os.path.exists(php_path):
if os.path.exists(fpm): os.remove(fpm)
return False
#尝试重载服务
os.system(fpm + ' reload')
if checkPHPVersion(version): return True
#尝试重启服务
cgi = '/tmp/php-cgi-'+version + '.sock'
pid = '/www/server/php/'+version+'/var/run/php-fpm.pid'
os.system('pkill -9 php-fpm-'+version)
time.sleep(0.5)
if not os.path.exists(cgi): os.system('rm -f ' + cgi)
if not os.path.exists(pid): os.system('rm -f ' + pid)
os.system(fpm + ' start')
if checkPHPVersion(version): return True
#检查是否正确启动
if os.path.exists(cgi): return True
except Exception as ex:
logging.debug(ex)
return True
#检查指定PHP版本
def checkPHPVersion(version):
try:
uri = "/phpfpm_"+version+"_status?json"
result = public.request_php(version,uri,'')
loads(result)
return True
except:
logging.info("检测到PHP-{}无法访问".format(version))
return False
#502错误检查线程
def check502Task():
try:
while True:
if os.path.exists('/www/server/panel/data/502Task.pl'): check502()
sess_expire()
time.sleep(600)
except Exception as ex:
logging.debug(ex)
time.sleep(600)
check502Task()
#session过期处理
def sess_expire():
try:
sess_path = '/www/server/panel/data/session'
if not os.path.exists(sess_path): return
s_time = time.time()
f_list = os.listdir(sess_path)
f_num = len(f_list)
for fname in f_list:
filename = '/'.join((sess_path,fname))
fstat = os.stat(filename)
f_time = s_time - fstat.st_mtime
if f_time > 3600:
os.remove(filename)
continue
if fstat.st_size < 256 and len(fname) == 32:
if f_time > 60 or f_num > 30:
os.remove(filename)
continue
del(f_list)
except Exception as ex:
logging.debug(str(ex))
# 检查面板证书是否有更新
def check_panel_ssl():
try:
while True:
lets_info = ReadFile("/www/server/panel/ssl/lets.info")
if not lets_info:
time.sleep(600)
continue
os.system(get_python_bin() + " /www/server/panel/script/panel_ssl_task.py > /dev/null")
time.sleep(60)
except Exception as e:
public.writeFile("/tmp/panelSSL.pl", str(e),"a+")
#监控面板状态
def panel_status():
time.sleep(1)
panel_path = '/www/server/panel'
pool = 'http://'
if os.path.exists(panel_path + '/data/ssl.pl'): pool = 'https://'
port = '8888'
if os.path.exists(panel_path + '/data/port.pl'): port = ReadFile(panel_path + '/data/port.pl').strip()
panel_url = pool + '127.0.0.1:' + port + '/service_status'
panel_pid = get_panel_pid()
n = 0
s = 0
v = 0
while True:
time.sleep(5)
if not panel_pid: panel_pid = get_panel_pid()
if not panel_pid: service_panel('start')
try:
f = Process(panel_pid).cmdline()[-1]
if f.find('runserver') == -1 and f.find('BT-Panel') == -1:
service_panel('start')
time.sleep(3)
panel_pid = get_panel_pid()
continue
except:
service_panel('start')
time.sleep(3)
panel_pid = get_panel_pid()
continue
n += 1
v += 1
if v > 10:
v = 0
log_path = panel_path + '/logs/error.log'
if os.path.exists(log_path):
e_body = public.GetNumLines(log_path,10)
if e_body:
if e_body.find('PyWSGIServer.do_close') != -1 or e_body.find('Expected GET method:')!=-1 or e_body.find('Invalid HTTP method:') != -1 or e_body.find('table session') != -1:
result = HttpGet(panel_url)
if result != 'True':
if e_body.find('table session') != -1:
sess_file = '/dev/shm/session.db'
if os.path.exists(sess_file): os.remove(sess_file)
os.system("bash /www/server/panel/init.sh reload &")
time.sleep(10)
result = HttpGet(panel_url)
if result == 'True':
public.WriteLog('守护程序','检查到面板服务异常,已自动恢复!',not_web = True)
if n > 18000:
n = 0
result = HttpGet(panel_url)
if result == 'True':
time.sleep(10)
continue
update_panel()
result = HttpGet(panel_url)
if result == 'True':
public.WriteLog('守护程序','检查到面板服务异常,已自动恢复!',not_web = True)
time.sleep(10)
continue
def update_panel():
os.system("curl http://download.bt.cn/install/update6.sh|bash &")
def service_panel(action = 'reload'):
if not os.path.exists('/www/server/panel/init.sh'):
update_panel()
else:
os.system("bash /www/server/panel/init.sh {} &".format(action))
#重启面板服务
def restart_panel_service():
rtips = 'data/restart.pl'
reload_tips = 'data/reload.pl'
while True:
if os.path.exists(rtips):
os.remove(rtips)
service_panel('restart')
if os.path.exists(reload_tips):
os.remove(reload_tips)
service_panel('reload')
time.sleep(1)
#取面板pid
def get_panel_pid():
pid = ReadFile('/www/server/panel/logs/panel.pid')
if pid: return int(pid)
for pid in pids():
try:
p = Process(pid)
n = p.cmdline()[-1]
if n.find('runserver') != -1 or n.find('BT-Panel') != -1: return pid
except: pass
return None
def HttpGet(url,timeout = 6,headers = {}):
if sys.version_info[0] == 2:
try:
import urllib2
req = urllib2.Request(url, headers = headers)
response = urllib2.urlopen(req,timeout = timeout,)
return response.read()
except Exception as ex:
logging.debug(str(ex))
return str(ex)
else:
try:
import urllib.request
req = urllib.request.Request(url,headers = headers)
response = urllib.request.urlopen(req,timeout = timeout)
result = response.read()
if type(result) == bytes: result = result.decode('utf-8')
return result
except Exception as ex:
logging.debug("URL: {} => {}".format(url,ex))
return str(ex)
#定时任务去检测邮件信息
def send_mail_time():
p_path = '/www/server/panel/data/'
p_reload = p_path + '/send_to_user.pl'
if not os.path.exists(p_path):
return
while True:
try:
if os.path.exists(p_reload):
os.system(get_python_bin() + " /www/server/panel/script/mail_task.py > /dev/null")
os.remove(p_reload)
time.sleep(60)
except:
time.sleep(180)
send_mail_time()
def main():
main_pid = 'logs/task.pid'
if os.path.exists(main_pid):
os.system("kill -9 $(cat {}) &> /dev/null".format(main_pid))
pid = os.fork()
if pid: sys.exit(0)
#os.umask(0)
os.setsid()
_pid = os.fork()
if _pid:
public.writeFile(main_pid,str(_pid))
sys.exit(0)
sys.stdout.flush()
sys.stderr.flush()
task_log_file='logs/task.log'
logging.basicConfig(level = logging.DEBUG,format = '%(asctime)s [%(levelname)s] at %(lineno)d: %(message)s',datefmt = '%Y-%m-%d(%a)%H:%M:%S',filename = task_log_file,filemode = 'a+')
logging.info('服务已启动')
import threading
t = threading.Thread(target=systemTask)
t.setDaemon(True)
t.start()
p = threading.Thread(target=check502Task)
p.setDaemon(True)
p.start()
pl = threading.Thread(target=panel_status)
pl.setDaemon(True)
pl.start()
p = threading.Thread(target=restart_panel_service)
p.setDaemon(True)
p.start()
p = threading.Thread(target=check_panel_ssl)
p.setDaemon(True)
p.start()
p = threading.Thread(target=send_mail_time)
p.setDaemon(True)
p.start()
task_obj = panelTask.bt_task()
task_obj.not_web = True
p = threading.Thread(target=task_obj.start_task)
p.setDaemon(True)
p.start()
startTask()
if __name__ == "__main__":
main()