Python for disk monitoring processing and alerting

#coding: Utf-8
Import threading
From datetime import datetime
Import time
Import OS
Import Smtplib
#from Email.mime.text Import Mimetext
From email. Mimetext Import Mimetext
#from email. Header Import Header
#from Log Import Logger
Import Logging,os,time,atexit,sys
From signal import SIGTERM
Import subprocess
Import Socket,fcntl,struct
def write_log (local_logs):
If not os.path.exists ("Disklogs"):
Try
Os.mkdir ("Disklogs")
Except
print ' Can not mkdir '
Cur_time = Time.strftime ("%y%m%d")
logs = "[" +time.strftime ("%y-%m-%d-%h-%m-%s") + "]:" +local_logs+ "\ n"
File = Open ("disklogs/" +cur_time+ ". txt", "a")
File.write (Logs)
File.close ()
Def disk_stat ():
HD = {}
Disk = Os.statvfs ("/data")
Free = (Disk.f_bavail * disk.f_frsize)
Total = (Disk.f_blocks * disk.f_frsize)
used = (disk.f_blocks-disk.f_bfree) * disk.f_frsize*1.024
Try
Percent = (float (used)/total) * 100
Except error:
# Get_log (). info (' calucate error ')
Pass
return percent
Def get_log ():
Logging.basicconfig (level=logging. DEBUG,
format= '% (asctime) s% (filename) s[line:% (lineno) d]% (levelname) s% (message) s ',
Datefmt= '%a,%d%b%Y%h:%m:%s ',
Filename= ' Myapp.log ',
Filemode= ' W ')
Logger = Logging.getlogger (' root ')
return Logger
Def backup_time ():
now = Time.mktime (DateTime.Now (). Timetuple ()) -60*2
result = Time.strftime ('%y%m%d ', Time.localtime (now))
Backupresult = str (result)
Return Backupresult
def send_email (content):

sender = "[Email protected]"
receiver = ["[Email protected]"]
Host = ' smtp.163.com '
Port = 465
msg = Mimetext (content)
Msg[' from '] = "[Email protected]"
msg[' to ' = "[email protected]"
msg[' Subject ' = "harddisk check"

Try
SMTP = Smtplib. SMTP ()
Smtp.connect (' smtp.163.com:25 ')
# Smtp.ehlo ()
# SMTP.STARTTLS ()
# Smtp.ehlo ()

# SMTP = Smtplib. Smtp_ssl (host, Port)
Smtp.login (sender, ' aaaaaa ')
Smtp.sendmail (sender, receiver, msg.as_string ())
# Getlog (). info ("Send email success")
Except Exception, E:
# Get_log (). Error (E)
Pass
File.close ()
def get_ip (ifname):
s = Socket.socket (socket.af_inet,socket. SOCK_DGRAM)
Return Socket.inet_ntoa (Fcntl.ioctl (S.fileno (), 0x8915,struct.pack (' 256s ', ifname[:15])) [20:24])

def check ():
Percent = Disk_stat ()
Write_log (str (percent))
# Get_log (). info (percent)
ip = get_ip (' eth0 ')
if int (percent) > 70:
result = IP + "disusage:" + str (percent)
Write_log (Result)
Os.popen (' Find/data/back-mtime +0-exec rm-rf {} \; >/dev/null 2>&1 ')

elif int (percent) > 85:
result = IP + "disusage:" + str (percent) + "dangerous"
Write_log (Result)
Os.popen (' Rm-f/data/back/* ')
Else
result = "false"
return result
Def task ():
While True:
result = Check ()
if result = = "false":
Pass
Else
Try
Send_email (Result)
Except
Pass
# break
Time.sleep (1*60)
#def Run_monitor ():
# monitor = Threading. Thread (Target=task)
# Monitor.start ()
# def Createdaemon ():
# #脱离父进程
# try:
# PID = Os.fork ()
# if PID > 0:
# os._exit (0)
# except Oserror,error:
# print "Fork #1 failed:%d (%s)"% (Error.errno, error.strerror)
# os._exit (1)
# #修改当前的工作目录
# Os.chdir ('/')
# #脱离终端
# Os.setsid ()
# #重设文件创建权限
# os.umask (0)
# #第二次创建进程, disable process reopen terminal file
# try:
# PID = Os.fork ()
# if PID > 0:
# print ' Daemon pid%d '% pid
# os._exit (0)
# except Oserror,error:
# print "Fork #1 failed:%d (%s)"% (Error.errno, error.strerror)
# os._exit (1)
# Run_monitor ()
Class Daemon:
def __init__ (self,pidfile,homedir,stderr= '/dev/null ', stdout= '/dev/null ', stdin= '/dev/null '):
Self.stdin = stdin
Self.stdout = stdout
Self.stderr = stderr
Self.pidfile = Pidfile
Self.homedir = Homedir
def _daemonize (self):
Try
PID = Os.fork ()
If PID > 0:
Sys.exit (0)
Except Oserror,e:
Sys.stderr.write ("Fork #1 failed:%d (%s) \ n"% (E.errno,e.strerror))
Sys.exit (1)
Os.setsid ()
Os.chdir ('/')
Os.umask (0)
Try
PID = Os.fork ()
If PID > 0:
Sys.exit (0)
Except Oserror,e:
Sys.stderr.write ("Fork #1 failed:%d (%s) \ n"% (E.errno,e.strerror))
Sys.exit (1)
Sys.stdout.flush ()
Sys.stderr.flush ()
Si = File (Self.stdin, ' R ')
so = File (Self.stdout, ' A + ')
SE = File (self.stderr, ' A + ', 0)
Os.dup2 (Si.fileno (), Sys.stdin.fileno ())
Os.dup2 (So.fileno (), Sys.stdout.fileno ())
Os.dup2 (Se.fileno (), Sys.stderr.fileno ())
Atexit.register (Self.delpid)
PID = str (Os.getpid ())
File (self.pidfile, ' w+ '). Write ("%s\n"% pid)
def delpid (self):
Os.remove (Self.pidfile)
def start (self):
Try
PF = file (self.pidfile, ' R ')
PID = Int (Pf.read (). Strip ())
Pf.close ()
Except IOError:
PID = None
If PID:
Message = "Pidfile%s already exist. Daemon already running?\n "
Sys.stderr.write (Message)
Sys.exit (1)
Self._daemonize ()
Self._run ()
def stop (self):
Try
PF = file (self.pidfile, ' R ')
PID = Int (Pf.read (). Strip ())
Pf.close ()
Except IOError:
PID = None
If not PID:
message = "Pidfile% does not Exist,daemon not running?\n"
Sys.stderr.write (Message)
Return
Try
While 1:
Os.kill (Pid,sigterm)
Time.sleep (0.1)
Except Oserror,err:
Err = str (ERR)
If Err.find ("No such process") > 0:
If Os.path.exists (self.pidfile):
Os.remove (Self.pidfile)
Else
Print str (ERR)
Sys.exit (1)
def restart (self):
Self.stop ()
Self.start ()
def _run (self):
Pass
Class Mydaemon (Daemon):
def _run (self):
Task ()
def main ():
Homedir = OS.GETCWD ()
For I in (' Log ', ' Run '):
Path = Homedir + '/' + I
If not os.path.exists (path):
Os.makedirs (path,0755)
stdout = homedir + '/log ' + '/server.log '
stderr = homedir + '/log ' + '/server.err '
Pidfile = homedir + '/run ' + '/server.pid '
Daemon = Mydaemon (Pidfile,homedir,stdout=stdout,stderr=stderr)
If Len (sys.argv) = = 2:
If ' start ' = = Sys.argv[1]:
print ' Start daemon '
Daemon.start ()
Elif ' stop ' = = Sys.argv[1]:
print ' Stop daemon '
Daemon.stop ()
Elif ' restart ' = = Sys.argv[1]:
print ' Restart daemon '
Daemon.restart ()
Else
print ' Unknown command '
Sys.exit (2)
Sys.exit (0)
Else
Print "Usage:%s start|stop|restart"% sys.argv[0]
Sys.exit (2)
if __name__ = = "__main__":
Main ()
# if __name__ = = "__main__":
# Run_monitor ()

This article is from the "Automation Rolin" blog, so be sure to keep this source http://luoguoling.blog.51cto.com/1568501/1616619

Python for disk monitoring processing and alerting