十五.编写自动脚本部署web,反向代理，nfs服务
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一.自动部署web,反向代理，加权轮询：
1.编写脚本自动部署反向代理，web,nfs.
#!/bin/bash
#author/dengsiyuan
function nginx_check() #配置nginx
{
ngx_status= ‘ps aux|grep -v grep|grep -c nginx‘ #取运行nginx进程的进程数
if [ -f /etc/nginx/nginx.conf ];then #判断是否存在正规文件nginx.conf以判断nginx是否安装
echo ‘nginx has been installed‘
else
yum clean all;
yum install epel-release -y && yum install nginx -y; # 安装epel和nginx
echo ‘nginx successfully installed‘
fi
systemctl stop firewalld; #关闭防火墙
if [ $ngx_status -lt 2 ];then #nginx运行时有一个子进程一个父进程，进程数为2
echo ‘nginx is not running‘
systemctl start nginx.service;
else
echo ‘nginx is running‘
fi
systemctl enable nginx.service; #开机启动nginx
}
function rewrite_nginx_conf() #配置nginx.conf文件
{
code1=‘upstream yuan { \n\t\t serve 192.168.58.131:80 weight=3; \n\t\t serve 192.168.58.132:80; \n\t\t serve 192.168.58.134:80; }‘
sed -ri "/^http/a\ \t $code1" /etc/nginx/nginx.conf;
sed -ri "/^ *location \/ \{$/a\ \t proxy_pass http://yuan\;" /etc/nginx/nginx.conf;
systemctl reload nginx.service;#重新载入配置文件
}
function nfs_web() #配置nfs服务端
{
if [ -d /var/lib/nfs ];then #判断nfs是否已安装
echo ‘rpcbind nfs-untils has been installed‘
exit
else
yum clean all;
yum install rpcbind.service -y; # 安装nfs,rpcbind 软件包
yum install nfs-untils -y;
echo ‘rpcbind nfs successfully installed‘
fi
if [ ! -d /share ];then #判断共享目录是否存在
mkdir -p /share; #建共享目录
chmod -R o+x /share; # 给客户端的执行权限，可以在客户端进行读写
echo ‘/share 192.168.58.0/24(rw,sync,fisd=0)‘ > /etc/exports; #配置exports文件
fi
systemctl start rpcbind.service; && systemctl start nfs-utils; #依次启动rpcbind ，nfs
systemctl enable rpcbind.service; && systemctl enable nfs-utils;
gshare= ` showmount -e `; #查看共享是否成功
back=`echo $?`
if [ $back -eq 0 ];then
echo ‘nfs_web is successful,the share dirctory is ok now‘
exit
else
echo ‘share failed‘
fi
}
function nfs_client() #客户端安装rpcbind ,nfs
{
if [ -d /var/lib/nfs ];then
echo ‘rpcbind nfs-untils has been installed‘
exit
else
yum clean all;
yum install rpcbind.service -y;
yum install nfs-untils -y;
echo ‘rpcbind nfs successfully installed‘
fi
systemctl start rpcbind.service; && systemctl start nfs-utils;
systemctl enable rpcbind.service; && systemctl enable nfs-utils;
showmount -e 192.168.58.134; #查看服务器是否共享目录成功
return=`echo $?`
if [ $return -eq 0 ];then
mount 192.168.58.134:/share /usr/share/nginx/html;#将共享目录挂载到客户端上
else
‘mount failed‘
exit
fi
}
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