python monitors process status records restart time and process number instances

This script is written for me in the process of performance testing, used to monitor the status of the process, can also be used for daily monitoring, applicability 1, expansibility is OK

# -*- 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): # Prevent entering the loop, but the process restarts at this time, resulting in popen Error occurs if process information is not read 
      pass   
def set_nginxRestart_txt():
  now_path = os.getcwd()
  file_name = now_path + '/nginxRestart_%s.txt'%(nginxRestart_time[-1])
  # Write text 
  file1 = open(file_name,'w')
  for i in range(1,len(nginxRestart_time)):
    file1.write(' Restart time: '+nginxRestart_time[i]+' Restart the previous parent process number : '+ nginxParent_pid[i-1]+' Parent process number after restart : ' +nginxParent_pid[i] + '\n')
  
  file1.close()
  file2 = open(file_name,'a+')
  file2.write('nginx restart The number of times is:  ' + str(nginxRestart_num) + '\n')
  file2.close()
def set_nginxReload_txt():
  now_path = os.getcwd()
  file_name = now_path + '/nginxReload_%s.txt'%(nginxReload_time[-1])
  # Write text 
  file1 = open(file_name,'w')
  for i in range(1,len(nginxReload_time)):
    file1.write(' Restart time: '+nginxReload_time[i] + '\n')
  
  file1.close()
  file2 = open(file_name,'a+')
  file2.write('nginx reload The number of times is: ' + 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])
  # Write text 
  file1 = open(file_name,'w')
  for i in range(1,len(logSender_time)):
    file1.write(' Restart time: '+logSender_time[i]+' Process number before restarting : '+ logSender_pid[i-1]+' Process number after restart : ' + logSender_pid[i] + '\n')
  
  file1.close()
  file2 = open(file_name,'a+')
  file2.write('logsender The number of restarts is : '+ str(logSender_num) + '\n')
  file2.close()
def set_es_txt():
  now_path = os.getcwd()
  file_name = now_path + '/esRestart_%s.txt'%(es_time[-1])
  # Write text 
  file1 = open(file_name,'w')
  for i in range(1,len(es_time)):
    file1.write(' Restart time: '+es_time[i] +' Process number before restarting : ' +es_pid[i-1] +' Process number after restart : ' + es_pid[i] +'\n')
  
  file1.close()
  file2 = open(file_name,'a+')
  file2.write('elasticsearch Restart times are:  ' + 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()