python监控进程状态,记录重启时间及进程号的实例
作者:加尔鲁什 时间:2022-04-22 07:47:20
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()
来源:https://blog.csdn.net/a1496785/article/details/80511290
标签:python,监控,进程,重启
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