python监控进程状态,记录重启时间及进程号的实例


						本脚本为本人在性能测试过程中编写，用于对进程状态的监控，也可以用于日常的监控，适用性一般，扩展性还行





# -*- coding: UTF-8 -*-

# author=baird_xiang

import os

import time

import re

import copy



nginxRestart_num= -1

nginxReload_num= -1

logSender_num= -1

es_num= -1

nginxParent_pid=[]

nginxChild_pid=[]

logSender_pid=[]

es_pid=[]



nginxRestart_time =[]

nginxReload_time=[]

logSender_time=[]

es_time=[]

def get_restart(thread_name):

  global nginxRestart_num,nginxReload_num,logSender_num,es_num

  while True:

    try:

      for i in thread_name:

        if i=='nginx_restart':

          nP_pid = os.popen("sudo pgrep -lo nginx |grep -v grep|awk '{print $1}'").read()

          nP_time = os.popen("sudo ps aux|grep nginx |grep -v grep|awk 'NR==1{print $9}'").read()

          nginx_path = os.popen("sudo ps aux|grep nginx |grep -v grep|awk 'NR==1{print $11}'").read()

          date = time.strftime('%Y-%m-%d',time.localtime(time.time()))

          nP_time_now = date + '-' + nP_time.split('\n')[0] 

          if nP_pid and (nP_pid not in nginxParent_pid) and (nginx_path=='/usr/sbin/nginx\n'):

              nginxParent_pid.append(nP_pid)

              nginxRestart_num=nginxRestart_num+1

          # if nP_time and (nP_time_now not in nginxRestart_time) and (color!='-c\n'):

              nginxRestart_time.append(nP_time_now)    

      

        elif i=='nginx_reload':

          nR_pid = os.popen("sudo pgrep -ln nginx|grep -v grep |awk '{print $1}'").read()

          nR_time = os.popen("sudo ps aux|grep nginx |grep -v grep|awk 'NR==2{print $9}'").read()

          nginx_path = os.popen("sudo ps aux|grep nginx |grep -v grep|awk 'NR==1{print $11}'").read()

          date = time.strftime('%Y-%m-%d',time.localtime(time.time()))

          nR_time_now = date + '-' + nR_time.split('\n')[0]

          if nR_pid and (nR_pid not in nginxChild_pid) and (nginx_path=='/usr/sbin/nginx\n') :

              nginxChild_pid.append(nR_pid)

              nginxReload_num=nginxReload_num+1-nginxRestart_num

          #if nR_time and (nR_time_now not in nginxReload_time) and (color!='-c\n'):

              nginxReload_time.append(nR_time_now)

        

        elif i=='log_sender':

          lS_pid = os.popen("sudo ps aux|grep log_sender |grep -v grep|awk 'NR==1{print $2}'").read()

          lS_time = os.popen("sudo ps aux|grep log_sender |grep -v grep|awk 'NR==1{print $9}'").read()

          color = os.popen("sudo ps aux|grep log_sender |grep -v grep|awk 'NR==1{print $12}'").read()

          wwwdate = os.popen("sudo ps aux|grep log_sender |grep -v grep|awk 'NR==1{print $1}'").read()

          date = time.strftime('%Y-%m-%d',time.localtime(time.time()))

          lS_time_now = date + '-' + lS_time.split('\n')[0]

          if lS_pid and (color!='-c\n') and ( lS_pid not in logSender_pid ) and (wwwdate=='www-data\n'):

              logSender_pid.append(lS_pid)

              logSender_num=logSender_num+1

          #if lS_time and (lS_time_now not in logSender_time) and (color!='-c\n'):

              logSender_time.append(lS_time_now)

        elif (i=='elasticsearch') and (os.popen("sudo ps -ef |grep elasticsearch |grep -v grep|awk 'NR==1{print $2}'").read()):

          time.sleep(1)

          e_pid = os.popen("sudo ps aux|grep elasticsearch |grep -v grep|awk 'NR==1{print $2}'").read()

          e_time = os.popen("sudo ps aux|grep elasticsearch |grep -v grep|awk 'NR==1{print $9}'").read()

          color = os.popen("sudo ps aux|grep elasticsearch |grep -v grep|awk 'NR==1{print $12}'").read()

          elastic = os.popen("sudo ps aux|grep elasticsearch |grep -v grep|awk 'NR==1{print $1}'").read()

          date = time.strftime('%Y-%m-%d',time.localtime(time.time()))  

          e_time_now = date + '-' + e_time.split('\n')[0] 

          if e_pid and (color!='-c\n') and (e_pid not in es_pid) and (elastic =='elastic+\n'):

            es_pid.append(e_pid)

            es_num=es_num+1

         # if e_time and (e_time_now not in es_time) and (color!='-c\n') and (elastic =='elastic+\n'):

            es_time.append(e_time_now)

        else:

          pass

    except (OSError,IOError): #防止进入循环但是这个时候进程重启，导致popen读取不到进程信息就会出错

      pass   

def set_nginxRestart_txt():

  now_path = os.getcwd()

  file_name = now_path + '/nginxRestart_%s.txt'%(nginxRestart_time[-1])

  #写入文本

  file1 = open(file_name,'w')

  for i in range(1,len(nginxRestart_time)):

    file1.write('重启时间：'+nginxRestart_time[i]+'重启前父进程号: '+ nginxParent_pid[i-1]+'重启后父进程号: ' +nginxParent_pid[i] + '\n')

  

  file1.close()

  file2 = open(file_name,'a+')

  file2.write('nginx restart次数为： ' + str(nginxRestart_num) + '\n')

  file2.close()

def set_nginxReload_txt():

  now_path = os.getcwd()

  file_name = now_path + '/nginxReload_%s.txt'%(nginxReload_time[-1])

  #写入文本

  file1 = open(file_name,'w')

  for i in range(1,len(nginxReload_time)):

    file1.write('重启时间：'+nginxReload_time[i] + '\n')

  

  file1.close()

  file2 = open(file_name,'a+')

  file2.write('nginx reload次数为：' + str(nginxReload_num) + '\n')

  file2.close()

def set_logsender_txt():

  now_path = os.getcwd()

  file_name = now_path + '/logsender_restart_%s.txt'%(logSender_time[-1])

  #写入文本

  file1 = open(file_name,'w')

  for i in range(1,len(logSender_time)):

    file1.write('重启时间：'+logSender_time[i]+'重启前进程号: '+ logSender_pid[i-1]+'重启后进程号: ' + logSender_pid[i] + '\n')

  

  file1.close()

  file2 = open(file_name,'a+')

  file2.write('logsender重启次数为: '+ str(logSender_num) + '\n')

  file2.close()

def set_es_txt():

  now_path = os.getcwd()

  file_name = now_path + '/esRestart_%s.txt'%(es_time[-1])

  #写入文本

  file1 = open(file_name,'w')

  for i in range(1,len(es_time)):

    file1.write('重启时间：'+es_time[i] +'重启前进程号: ' +es_pid[i-1] +'重启后进程号: ' + es_pid[i] +'\n')

  

  file1.close()

  file2 = open(file_name,'a+')

  file2.write('elasticsearch重启次数为： ' + str(es_num) + '\n')

  file2.close()

if __name__ =="__main__":

  thread_name=['nginx_restart','nginx_reload','log_sender','elasticsearch']

  try:

    get_restart(thread_name)

  except (KeyboardInterrupt,SystemExit):

    set_nginxRestart_txt()

    set_nginxReload_txt()

    set_logsender_txt()

    set_es_txt()



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