#!/bin/bash

# 当前路径
workDir=$(cd `dirname 0ドル`; pwd)


echo "Scriptis front-end deployment script"

source $workDir/config.sh
# 前端放置目录,默认为解压目录
scriptis_basepath=$workDir

#To be compatible with MacOS and Linux
if [[ "$OSTYPE" == "darwin"* ]]; then
 # Mac OSX
 echo "scriptis install not support Mac OSX operating system"
 exit 1
elif [[ "$OSTYPE" == "linux-gnu" ]]; then
 # linux
 echo "linux"
elif [[ "$OSTYPE" == "cygwin" ]]; then
 # POSIX compatibility layer and Linux environment emulation for Windows
 echo "scriptis not support Windows operating system"
 exit 1
elif [[ "$OSTYPE" == "msys" ]]; then
 # Lightweight shell and GNU utilities compiled for Windows (part of MinGW)
 echo "scriptis not support Windows operating system"
 exit 1
elif [[ "$OSTYPE" == "win32" ]]; then
echo "scriptis not support Windows operating system"
 exit 1
elif [[ "$OSTYPE" == "freebsd"* ]]; then
 # ...
 echo "freebsd"
else
 # Unknown.
 echo "Operating system unknown, please tell us(submit issue) for better service"
 exit 1
fi

# 区分版本
version=`cat /etc/redhat-release|sed -r 's/.* ([0-9]+)\..*/1円/'`


echo "========================================================================配置信息======================================================================="

echo "前端访问端口:${scriptis_port}"
echo "后端Linkis的地址:${linkis_url}"
echo "静态文件地址:${scriptis_basepath}/dist"
echo "当前路径:${workDir}"
echo "本机ip:${scriptis_ipaddr}"

echo "========================================================================配置信息======================================================================="
echo ""


# 创建文件并配置nginx
scriptiConf(){

	s_host='$host'
 s_remote_addr='$remote_addr'
 s_proxy_add_x_forwarded_for='$proxy_add_x_forwarded_for'
 s_http_upgrade='$http_upgrade'
 echo "
 server {
 listen $scriptis_port;# 访问端口
 server_name localhost;
 #charset koi8-r;
 #access_log /var/log/nginx/host.access.log main;
 location / {
 root ${scriptis_basepath}/dist; # 静态文件目录
 index index.html index.html;
 }
 location /ws {
 proxy_pass $linkis_url;#后端Linkis的地址
 proxy_http_version 1.1;
 proxy_set_header Upgrade $s_http_upgrade;
 proxy_set_header Connection "upgrade";
 }

 location /api {
 proxy_pass $linkis_url; #后端Linkis的地址
 proxy_set_header Host $s_host;
 proxy_set_header X-Real-IP $s_remote_addr;
 proxy_set_header x_real_ipP $s_remote_addr;
 proxy_set_header remote_addr $s_remote_addr;
 proxy_set_header X-Forwarded-For $s_proxy_add_x_forwarded_for;
 proxy_http_version 1.1;
 proxy_connect_timeout 4s;
 proxy_read_timeout 600s;
 proxy_send_timeout 12s;
 proxy_set_header Upgrade $s_http_upgrade;
 proxy_set_header Connection upgrade;
 }

 #error_page 404 /404.html;
 # redirect server error pages to the static page /50x.html
 #
 error_page 500 502 503 504 /50x.html;
 location = /50x.html {
 root /usr/share/nginx/html;
 }
 }
 " > /etc/nginx/conf.d/scriptis.conf

}


centos7(){
 # nginx是否安装
 #sudo rpm -Uvh http://nginx.org/packages/centos/7/noarch/RPMS/nginx-release-centos-7-0.el7.ngx.noarch.rpm
 sudo yum install -y nginx
 echo "nginx 安装成功"

 # 配置nginx
 scriptiConf

 # 解决 0.0.0.0:8888 问题
 yum -y install policycoreutils-python
 semanage port -a -t http_port_t -p tcp $scriptis_port

 # 开放前端访问端口
 firewall-cmd --zone=public --add-port=$scriptis_port/tcp --permanent

 # 重启防火墙
 firewall-cmd --reload

 # 启动nginx
 systemctl restart nginx

 # 调整SELinux的参数
 sed -i "s/SELINUX=enforcing/SELINUX=disabled/g" /etc/selinux/config
 # 临时生效
 setenforce 0

}


centos6(){
 # yum
 S_basearch='$basearch'
 S_releasever='$releasever'
 echo "
 [nginx]
 name=nginx repo
 baseurl=http://nginx.org/packages/centos/$E_releasever/$S_basearch/
 gpgcheck=0
 enabled=1
 " >> /etc/yum.repos.d/nginx.repo

 # install nginx
 yum install nginx -y

 # 配置nginx
 scriptiConf

 # 防火墙
 S_iptables=`lsof -i:$scriptis_port | wc -l`
 if [ "$S_iptables" -gt "0" ];then
 # 已开启端口防火墙重启
 service iptables restart
 else
 # 未开启防火墙添加端口再重启
 iptables -I INPUT 5 -i eth0 -p tcp --dport $scriptis_port -m state --state NEW,ESTABLISHED -j ACCEPT
 service iptables save
 service iptables restart
 fi

 # start
 /etc/init.d/nginx start

 # 调整SELinux的参数
 sed -i "s/SELINUX=enforcing/SELINUX=disabled/g" /etc/selinux/config

 # 临时生效
 setenforce 0

}

# centos 6
if [[ $version -eq 6 ]]; then
centos6
fi

# centos 7
if [[ $version -eq 7 ]]; then	
centos7
fi


echo "请浏览器访问:http://${scriptis_ipaddr}:${scriptis_port}"