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Shell腳本查看Nginx并發(fā)連接數(shù)、進程數(shù)和常駐內(nèi)存占用情況

http://xiaoyongxing1.blog.163.com/blog/static/642807522015144302240/
該腳本針對網(wǎng)上已有解決方案（google一下nginx狀態(tài)監(jiān)控shell腳本），修改內(nèi)存總數(shù)計算bug，修改字符錯誤。在CentOs5.7系統(tǒng)環(huán)境下測試可用。

#/bin/bash

host=`hostname`

ip=`ifconfig eth0 | grep 'inet addr'|sed 's/.*addr://g'|sed 's/B.*//g'`

#監(jiān)控nginx的連接數(shù)

http_req=`netstat -nat|grep -i "80"|wc -l `

time_stamp=`date "+%Y/%m/%d %T"`

if [ ${http_req} -ge 300 ];

then

echo "alert ==> ${host}@${ip}: http connection ${http_req} >= 300 @${time_stamp} "

else

echo "${host}@${ip}: http connection ${http_req} @ ${time_stamp}"

##監(jiān)控nginx的進程

nginx_proc=`ps -C nginx -no-header | wc -l `

time_stamp=`date "+%Y/%m/%d %T"`

if [ ${nginx_proc} -ge 100 ]

then

echo "alert ==> ${host}@${ip}: nginx process ${nginx_proc} >= 100 @${time_stamp} "

else

echo "${host}@${ip}: nginx process ${nginx_proc} @ ${time_stamp}"

#監(jiān)控nginx所占用的內(nèi)存總數(shù)

nginx_mem=`top -b -n1 | grep nginx |gawk '{if($6~/m$/) {sum+=$6*1024} else {sum+=$6} }; END {print int(sum/1024)}' `

time_stamp=`date "+%Y/%m/%d %T"`

if [ ${nginx_mem} -ge 500 ]

then

echo "alert ==> ${host}@${ip}: nginx memory usage ${nginx_mem} MB >= 500 @${time_stamp} "

else

echo "${host}@${ip}: nginx memory ${nginx_mem}MB @ ${time_stamp}"

由此可推導(dǎo)出相應(yīng)的python版：

#coding=utf-8
__author__ = 'kenkao'

import os

def getNginxProcess():
p = os.popen('ps -C nginx -no-header | wc -l')
return p.read()

def getNginxMemory():
p = os.popen('top -b -n1 | grep nginx |gawk \'{if($6~/m$/) {sum+=$6*1024} else {sum+=$6} }; END {print int(sum/1024)}\'')
return p.read()

def getNginxConnect():
p = os.popen('netstat -nat|grep -i "80"|wc -l')
return p.read()

def getPhpfpmProcess():
p = os.popen('ps -C php-fpm -no-header | wc -l')
return p.read()

def getPhpfpmMemory():
p = os.popen('top -b -n1 | grep php-fpm |gawk \'{if($6~/m$/) {sum+=$6*1024} else {sum+=$6} }; END {print int(sum/1024)}\'')
return p.read()

if __name__ == '__main__':
    print "NginxProcess:" + getNginxProcess()
    print "NginxMemory:" + getNginxMemory()
    print "NginxConnect:" + getNginxConnect()
    print "PhpfpmProcess:" + getPhpfpmProcess()
    print "PhpfpmMemory:" + getPhpfpmMemory()

posted on 2017-03-30 18:09 思月行云閱讀(799) 評論(0) 編輯收藏引用所屬分類: Nginx\Openresty

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