自动部署Nginx和nfs并架设Nginx集群脚本
本人经过多次尝试,简单完成了自动部署Nginx和nfs脚本,并且能够自动部署web反向代理集群,下面详细的阐述一下本人的思路。(以下脚本本人处于初学阶段,写的并不是很完善,所以需要后期进行整理和修正,请高手能够多多指教。)
本脚本需要注意的是:
1、这是针对centOS6.8,32位操作系统写的脚本文件,如果想在cenOS7中运行,就需要有些改动
2、这个脚本需要先安装代理服务器部分,再安装反向代理服务器,因为涉及到共享文件夹挂载的问题,所以需要有先后顺序;
3、今后本人会对此脚本进行更新和完善,希望朋友们来相互交流。
#!/bin/bash
login=0
server_leader='192.168.1.104' #设置代理服务器IP地址;
server_web1='192.168.1.105:80 weight=3' #设置第一台反向代理服务器地址并设置权重参数;
server_web2='192.168.1.106:80' #设置第二台反向代理服务器地址;
server_web3='192.168.1.107:80' #设置第三台反向代理服务器地址;
server_nfs='192.168.1.0' #设置nfs共享配置文件的网络地址;
function install_nginx(){ #命名安装nginx的函数;
yum -y install epel-release; #安装epel扩展源(因为安装Nginx服务需要epel扩展源);
yum -y install nginx ; #安装Nginx服务;
result=`echo $?`; #将安装是否成功的结果返回给result变量;
if (( $result == 0 )); #判断返回结果是不是成功
then
echo 'Congratulations!!';
echo 'Now will be starting the service,please wait...';
chkconfig nginx on; #将nginx设置为开机启动
service nginx start; #安装完成后启动Nginx服务;
start_result=`echo $?`; #将启动结果存入变量start_result;
if (( $start_result == 0 )); #判断启动结果是否成功;
then
cp /etc/nginx/nginx.conf /etc/nginx/nginx.conf.bak #将nginx.conf配置文件备份;
echo 'The service is started successful';
echo 'Install nginx successful,the system will be exit,ByeBye!!';
else
echo 'Please find some error to reinstall.ByeBye!!';
break;
fi
else
echo 'Please find some error to reinstall.ByeBye!!';
fi
}
function install_nfs(){ #创建安装nfs服务的函数;
yum -y install rpcbind nfs-utils #安装rpcbind和nfs-utils服务;
result=`echo $?` #将安装结果放入result变量;
if (( $result == 0 )); #判断安装结果是否成功;
then
echo '******************Congratulations!!************************';
echo '******Now will be starting the service,please wait...******';
chkconfig rpcbind on; #将rpcbind设置为开机启动
chkconfig nfs on; #将nfs设置为开机启动
service rpcbind restart; #启动rpcbind服务;
service nfs restart; #启动nfs服务;
start_result=`echo $?`; #将启动结果存入start_result;
if (( $start_result == 0 )); #判断启动结果是否成功;
then
echo '*************The service is started successful*************';
echo '**Install nfs successful,the system will be exit,ByeBye!!**';
else
echo '*******Please find some error to reinstall.ByeBye!!*******';
break;
fi
else
echo '************Please find some error to reinstall.**********';
fi
}
function set_nginx(){ #创建设置nginx服务函数;
sed -ri "s/(http \{)/http \{ \n\ upstream Mysite\{\n server $server_web1;\n server $server_web2;\n server $server_web3;\n \}\n server \{\n server_name $server_leader;\n listen 80;\n location\ \/\{\n proxy_pass\ http\:\/\/Mysite;\n \}\n \}/" /etc/nginx/nginx.conf
#修改配置文件/etc/nginx/nginx.conf配置文件
}
function set_nfs(){ #创建设置nfs的函数;
mkdir /share #创建共享目录share;
echo 'test web server!!' > /share/index.html #往share目录中写入文件index.html;
echo "/share $server_nfs/24(rw,sync,fsid=0)" > /etc/exports #创建nfs共享配置文件并将配置写入文件;
chmod o=rwx /share #给共享配置文件添加读写执行权限;
/etc/init.d/rpcbind restart #重启rpcbind服务;
/etc/init.d/nfs restart #重启nfs服务,使配置文件生效;
}
function set_web(){ #创建设置反向代理服务器函数;
mount -t nfs $server_leader:/share/ /usr/share/nginx/html/ #将共享目录挂载到反向代理服务器的主目录中;
/etc/init.d/nginx restart #重启nginx服务使配置生效;
}
while (( $login == 0 ))
do
echo '+===================================================+'
echo '| Welcome to my Nginx auto install system!!! |'
echo '| 1.install ordinary web server |'
echo '| 2.install proxy web server |'
echo '| 3.exit |'
echo '+===================================================+'
read -p 'Please chose your number:' chose #可以选择1:安装反向代理服务器(也就是普通的web服务器);2:安装代理服务器;3:退出系统
if [ ! $chose ]
then
continue
fi
if (( $chose == 1 ))
then
echo 'Your choice is number 1,the ordinary web server will be install,Are you sure?'
read -p 'y/n:' pd
if [ "$pd" == 'y' ];
then
echo $pd
install_nginx;
set_web;
fi
if [ "$pd" == 'n' ];
then
continue;
fi
elif (( $chose == 2 ))
then
echo 'Your choice is number 2,the proxy web server will be install,Are you sure?'
read -p 'y/n:' pd2
if [ "$sp2" = 'y' ];
echo $sp2
then
echo $pd2
install_nginx;
install_nfs;
set_nginx;
set_nfs;
fi
if [ "$pd2" = 'n' ]
then
continue
fi
elif (( $chose == 3 ))
then
echo 'Thank you use my system,ByeBye.'
break
else
continue
fi
done
exit

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