Linux下实现SNMP一键安装的Shell脚本

Net-SNMP是一个免费的、开放源码的SNMP实现，以前称为UCD-SNMP。SNMP 很多都用其安装之后，作为监控宝和阿里云的系统信息监控使用。下面就来分享linux下实现SNMP一键安装的shell脚本:

#!/usr/bin/env bash export LC_ALL=C if [ “$(id -u)” != “0” ] then echo “This script. must be run as root” 1>&2 exit 1 fi ####check if gcc perl perl-devel(centos) or libperl-dev(ubuntu) exists, APT_CMD=`whereis apt-get|awk {print $2}` YUM_CMD=`whereis yum|awk {print $2}` if [ “$APT_CMD”x != “”x ] then echo “$APT_CMD” cmd=`dpkg -l|grep gcc` if [ “$cmd”x = “”x ] then apt-get install -y gcc fi cmd=`dpkg -l|grep perl` if [ “$cmd”x = “”x ] then apt-get install -y perl fi cmd=`dpkg -l|grep “libperl-dev”` if [ “$cmd”x = “”x ] then apt-get install -y libperl-dev fi elif [ “$YUM_CMD”x != “”x ] then echo $YUM_CMD cmd=`rpm -q gcc|grep -v “not installed”` if [ “$cmd”x = “”x ] then yum install gcc -y 1>/dev/null 2>&1 fi cmd=`rpm -q perl|grep -v “not installed”` if [ “$cmd”x = “”x ] then yum install -y perl 1>/dev/null 2>&1 fi cmd=`rpm -q perl-devel|grep -v “not installed”` if [ “$cmd”x = “”x ] then yum install -y perl-devel 1>/devel/null 2>&1 fi else echo “your release have no yum or apt-get” fi function Usage() { echo “用法如下：(注意：2c版本密码必须大于6位，3版本密码必须大于8位)”; echo “” echo ” $0 -v 版本号(2代表2C，3代表版本3) -u 用户名 -p 密码”; echo ” $0 -v [2|3] -u username -p password”; echo “”; exit 0; } if [ $# -lt 1 ] then echo “请输入参数” Usage fi #####get parameters version=0 username=”” password=”” while getopts “:v:u:p:” opt; do case $opt in v) version=$OPTARG if [[ ${OPTARG:0:1} = “-” ]] then echo “” echo “-v need argument” echo “” Usage fi ;; u) username=$OPTARG if [[ ${OPTARG:0:1} = “-” ]] then echo “” echo “-u need argument” echo “” Usage fi ;; p) password=$OPTARG if [[ ${OPTARG:0:1} = “-” ]] then echo “” echo “-p need argument” echo “” Usage fi ;; 🙂 Usage ;; ?) paralist=-1; Usage ;; esac done ###check version number, must be 2 or 3 if [ $version -ne “3” -a $version -ne “2” ] then Usage exit 3 fi if [ $version -eq “3” -a “$username”x = “”x ] then echo “版本3必须要输入用户名” Usage fi ###check password length, version 3 big then 8, version 2 big then 6 if [ “$version” -eq “3” ] then if [ ${#password} -lt “8” ] then echo “” echo “Your passwords must greater than 8 bytes” 1>&2 echo “” Usage fi else ########### version = 2 if [ ${#password} -lt “6” ] then echo “” echo “Your passwords must greater than 6 bytes” 1>&2 echo “” Usage fi fi wget http://download.cloud.360.cn/yjk/net-snmp.tar.gz tar zxvf net-snmp.tar.gz cd net-snmp-5.7.2 ./configure –prefix=/usr/local/snmp –with-mib-modules=ucd-snmp/diskio -enable-mfd-rewrites –with-default-snmp-version=”$version” –with-sys-contact=”@@no.where” –with-sys-location=”Unknown” –with-logfile=”/var/log/snmpd.log” –with-persistent-directory=”/var/net-snmp” make make install case $version in 2) cat >> /usr/local/snmp/share/snmp/snmpd.conf << EOF rocommunity $password 101.199.100.150 rocommunity $password 220.181.150.98 rocommunity $password 180.153.229.230 rocommunity $password 220.181.150.125 rocommunity $password 103.28.10.223 EOF ;; 3) cat >> /usr/local/snmp/share/snmp/snmpd.conf << EOF rouser $username auth EOF # echo “createUser $2 MD5 $3” >>/var/net-snmp/snmpd.conf # cat >> /var/net-snmp/snmpd.conf << EOF #createUser $2 MD5 $3 #EOF ;; *) echo “Please check your input version” 1>&2 echo exit 1 ;; esac i=0 while [ $i -lt 5 ] do ret=`/usr/local/snmp/sbin/snmpd` ret=`ps aux | grep -v grep | grep snmp` if [ “$ret”x = “”x ] then ((i=i+1)) ret=`/usr/local/snmp/sbin/snmpd` else break fi done case $version in 3) echo “createUser $username MD5 $password” >>/var/net-snmp/snmpd.conf ;; esac pid=`ps -ef|grep snmpd|grep -v grep|awk {print $2}` echo “pid: $pid” if [ “$pid”x != “”x ] then kill -9 $pid /usr/local/snmp/sbin/snmpd else /usr/local/snmp/sbin/snmpd fi case $version in 3) cmd=`cat /var/net-snmp/snmpd.conf|grep “$username”` if [ “$cmd”x == “”x ] then pid=`ps -ef|grep snmpd|grep -v grep|awk {print $2}` if [ “$pid”x != “”x ] then kill -9 $pid echo “createUser $username MD5 $password” >>/var/net-snmp/snmpd.conf fi fi ;; esac ret=`ps -ef | grep -v grep | grep snmp` if [ “$ret”x != “”x ] then echo “snmp start success” echo else echo “snmp start failed” echo exit 4 fi echo “Finish…” echo exit 0