Python日志syslog使用原理详解

#!/usr/bin/python
# -*- coding: utf-8 -*-
import syslog
syslog.openlog([ident[, logoption[, facility]]])
syslog.syslog(priority, message)
syslog.closelog()

#!/usr/bin/python
# -*- coding: utf-8 -*-
import syslog
import os

if __name__ == '__main__':
  # https://docs.python.org/2/library/syslog.html
  # syslog.openlog([ident[, logoption[, facility]]])

  # ident
  filename = os.path.abspath(__file__)

  # logoption
  # LOG_CONS：如果将信息发送给守护进程时发生错误，直接将相关信息输入到相关信息输出到终端。 
  # LOG_NDELAY：立即打开与系统日志的连接（通常情况下，只有在产生第一条日志信息的情况下才会打开与日志系统的连接） 
  # LOG_NOWAIT：在记录日志信息时，不等待可能的子进程的创建 
  # LOG_ODELAY：类似于LOG_NDELAY参数，与系统日志的连接只有在syslog函数调用时才会创建 
  # LOG_PID：每条日志信息中都包括进程号
  # LOG_PID, LOG_CONS, LOG_NDELAY, LOG_NOWAIT, LOG_PERROR
  pid = syslog.LOG_PID

  # facility
  # LOG_KERN, LOG_USER, LOG_MAIL, LOG_DAEMON, LOG_AUTH, LOG_LPR, LOG_NEWS, LOG_UUCP, LOG_CRON, LOG_SYSLOG, LOG_LOCAL0 to LOG_LOCAL7
  filepath = syslog.LOG_USER

  # Priority
  # LOG_EMERG, LOG_ALERT, LOG_CRIT, LOG_ERR, LOG_WARNING, LOG_NOTICE, LOG_INFO, LOG_DEBUG
  level = syslog.LOG_NOTICE

  # messages
  messages = "test start14"

  # syslog.openlog([ident[, logoption[, facility]]])
  syslog.openlog(filename, pid, filepath)
  # syslog.syslog(priority, message)
  syslog.syslog(level, messages)
  # close syslog
  syslog.closelog()
  
  # vim var/log/message
  # tail -f /tmp/syslog.txt

#!/usr/bin/python
# -*- coding: utf-8 -*-
import syslog


class mysyslog(object):
  # level
  # LOG_EMERG, LOG_ALERT, LOG_CRIT, LOG_ERR, LOG_WARNING, LOG_NOTICE, LOG_INFO, LOG_DEBUG
  debug = syslog.LOG_DEBUG
  info = syslog.LOG_INFO
  notice = syslog.LOG_NOTICE
  warning = syslog.LOG_WARNING
  err = syslog.LOG_ERR
  crit = syslog.LOG_CRIT
  alert = syslog.LOG_ALERT
  emerg = syslog.LOG_EMERG

  # logoption
  # LOG_PID, LOG_CONS, LOG_NDELAY, LOG_NOWAIT, LOG_PERROR
  # LOG_CONS：如果将信息发送给守护进程时发生错误，直接将相关信息输入到相关信息输出到终端。
  # LOG_NDELAY：立即打开与系统日志的连接（通常情况下，只有在产生第一条日志信息的情况下才会打开与日志系统的连接）
  # LOG_NOWAIT：在记录日志信息时，不等待可能的子进程的创建
  # LOG_ODELAY：类似于LOG_NDELAY参数，与系统日志的连接只有在syslog函数调用时才会创建
  # LOG_PID：每条日志信息中都包括进程号
  cons = syslog.LOG_CONS
  ndelay = syslog.LOG_NDELAY
  nowait = syslog.LOG_NOWAIT
  pid = syslog.LOG_PID

  # facility
  # LOG_KERN, LOG_USER, LOG_MAIL, LOG_DAEMON, LOG_AUTH, LOG_LPR, LOG_NEWS, LOG_UUCP, LOG_CRON, LOG_SYSLOG, LOG_LOCAL0 to LOG_LOCAL7
  # kern = syslog.LOG_KERN
  # user = syslog.LOG_USER
  # mail = syslog.LOG_MAIL
  # daemon = syslog.LOG_DAEMON
  # auth = syslog.LOG_AUTH
  # lpr = syslog.LOG_LPR
  # news = syslog.LOG_NEWS
  # uucp = syslog.LOG_UUCP
  # cron = syslog.LOG_CRON
  # _syslog = syslog.LOG_SYSLOG

  @classmethod
  def __init__(self):
    pass

  @staticmethod
  def basicConfig(name, logoption):
    facility = syslog.LOG_USER
    syslog.openlog(name, logoption, facility)

  @staticmethod
  def tosyslog(level, ip, messages):
    newmessages = "[" + ip + "]" + " " + messages
    syslog.syslog(level, newmessages)