centos7-nginx安装脚本

#!/bin/bash

systemctl stop firewalld

result()
{
	if [[ $1 != 0 ]];then
			printf -- "\e[1;5;31m错误\e[0m,code: $1\n"
			exit 1
	else
			printf -- "\e[1;32m完成\e[0m\n"
	fi
}

install_nginx()
{
	printf -- "\n\e[1m安装Nginx:\e[0m\n"
    mkdir -p /home/{www,conf/nginx}
	re=`rpm -qa|grep nginx`
	if [[ -z $re ]];then
		if [[ ! -f nginx-1.16.1-1.el7.ngx.x86_64.rpm ]];then
			rpm -Uvh http://nginx.org/packages/centos/7/noarch/RPMS/nginx-release-centos-7-0.el7.ngx.noarch.rpm
			yum install -y nginx
		else
			yum install -y nginx-1.16.1-1.el7.ngx.x86_64.rpm
		fi
        mv /etc/nginx/conf.d/default.conf /home/conf/nginx/
		ln -s /home/conf/nginx/default.conf /etc/nginx/conf.d/
        cp /usr/share/nginx/html /home/www/
        sed -i "s/\/usr\/share\/nginx\/html/\/home\/www\/html/g" /home/conf/nginx/default.conf
		systemctl start nginx.service \
		&& systemctl enable nginx.service
		result $?
	else
		echo "$re已存在，跳过安装."
	fi
	shellwidth=`stty size|awk '{print $2}'`;yes "-" | sed $shellwidth'q' | tr -d '\n'
}
install_nginx