nginx自动化安装脚本

#在线自动安装nginx脚本 by silly at 20190504
#!/bin/bash
. /etc/init.d/functions
#nginx用户信息
nginxUser=nginx
nginxVersion=1.15.12
#软件下载目录
dirSoft=/usr/local/src
#安装目录
dirInstall=/application

#安装环境
yum install gcc-c++ -y
#判断是否安装成功
if [ $? -ne 0 ];then
action “install gcc” /bin/false
exit 1
fi

yum install pcre pcre-devel -y
if [ $? -ne 0 ];then
action “install prce prce-devlel” /bin/false
exit 1
fi

yum install zlib zlib-devel -y
if [ $? -ne 0 ];then
action “install zlib zlib-devel” /bin/false
exit 1
fi

yum install openssl openssl-devel -y
if [ $? -ne 0 ];then
action “install openssl openssl-devel” /bin/false
exit 1
fi

#创建用户:判定用户和组是否存在，不存在则创建用户和组
id $nginxUser >& /dev/null
if [ $? -ne 0 ];then
useradd $nginxUser -s /sbin/nogin -M
fi

#判断软件下载目录是否存在,不存在则创建
if [ ! -d $dirSoft ];then
mkdir $dirSoft -p
if [ $? -ne 0 ];then
action “mkdir $dirSoft -p” /bin/false
exit 1
fi
fi

#进入软件下载目录
cd $dirSoftwgethttp://nginx.org/download/nginx-${nginxVersion}.tar.gz
#判断是否下载成功
if [ $?-ne0];thenaction"wgetnginx-${nginxVersion}" /bin/false
exit 1
fi
#解压文件
tar -zxf nginx-$nginxVersion.tar.gzcdnginx-${nginxVersion}
if [ $?-ne0];thenaction"cdnginx-${nginxVersion}" /bin/false
exit 1
fi

#判断安装目录是否存在
if [ ! -d $dirInstall ];then
mkdir $dirInstall -p
fi

#编译ngixn
./configure --user=$nginxUser--group=${nginxUser} --prefix=/application/nginx-${nginxVersion} --with-http_ssl_module --with-http_gzip_static_module
#判断是否编译成功
if [ $? -ne 0 ];then
action “configure nginx” /bin/false
exit 1
fi

#安装
make && make install
if [ $? -ne 0 ];then
action “make && make install” /bin/false
exit 1
fi

#软链接
ln -s $dirInstall/nginx-$nginxVersion $dirInstall/nginx

#启动nginx
$dirInstall/nginx/sbin/nginx

#判断是否启动成功
cNginx=$(ps -C nginx --no-heading|wc -l)
if [ $cNginx -nq 0 ];then
action “intsall nginx” /bin/false
exit 1
fi

#加入开机启动
echo ${dirInstall}/nginx/sbin/nginx >>/etc/rc.local

#输出安装成功提示
action “intsall nginx” /bin/true