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nginx/addNginxProxy copy.sh
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165
nginx/addNginxProxy copy.sh
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#!/bin/bash
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# 添加了端口占用的检测
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# todo
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# 对某一代理内容的删除
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# 当运行时， 可以传入额外的参数
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## ./runParams.sh [-h] [-c] [--remove] [-p proxy] [-f] [--version vx.y.z] [-l file]
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#########color code#############
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RED="31m" # Error message
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GREEN="32m" # Success message
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YELLOW="33m" # Warning message
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BLUE="36m" # Info message
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###############color echo func#################
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colorEcho() {
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echo -e "\033[${1}${@:2}\033[0m" 1>&2
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}
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Help() {
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cat - 1>&2 <<EOF
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本脚本的用法如下：
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[-tcp t] <代理端口> <需要转发的IP> <需要转发的端口>
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[-http] <反向代理域名> <代理端口> <反代的IP> <反代的端口>
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[-h -help]
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-tcp/t <代理端口>代表本机的端口 <需要转发的IP>代表反向代理的ip地址
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<需要转发的端口>代表反向代理的端口
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-http <反向代理域名>代表转发的url <代理端口>代表本机的端口
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<反代的IP>代表反向代理的ip地址 <反代的端口>代表反向代理的端口
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-h/help 打印本说明文档
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例子：./addNginxProxy.sh -tcp 9500 192.168.1.248 80
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即为将本地9500端口 转发至 192.168.1.248的80端口！
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EOF
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}
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checkPortInUse(){
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# 如果端口被占用则返回错误
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# 如果端口未占用则返回0
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netstat -ntlp | awk '{print $4}' | cut -d ":" -f 2 | sed -n "3,+99999p"
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if [[ `netstat -ntlp | awk '{print $4}' | cut -d ":" -f 2 | sed -n "3,+99999p" | grep -w ${FRONT_PROXY_PORT} &>/dev/null` -eq 0 ]]
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then
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colorEcho ${RED} "你想要使用的代理端口 ${FRONT_PROXY_PORT} 已被占用，请重新选用端口！！"
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return 23
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else
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return 0
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fi
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}
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addPortForward() {
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#判断REVERSE_PROXY_IP是否符合IP的规格
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#判断REVERSE_PROXY_PORT是否被占用
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## 端口转发模板文件简单，直接写入此处！！
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cat > /etc/nginx/conf.d/stream/${FRONT_PROXY_PORT}_${REVERSE_PROXY_IP}::${REVERSE_PROXY_PORT}.conf <<EOF
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server {
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listen ${FRONT_PROXY_PORT};
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proxy_pass ${REVERSE_PROXY_IP}:${REVERSE_PROXY_PORT};
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}
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EOF
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if [[ -a /etc/nginx/conf.d/stream/${FRONT_PROXY_PORT}_${REVERSE_PROXY_IP}::${REVERSE_PROXY_PORT}.conf ]]; then
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colorEcho ${GREEN} "端口转发配置成功！！"
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nginx -t && nginx -s reload
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if [[ $? -eq 0 ]];then
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LOCAL_INTERNAL_IP=$(ip addr show eth0 | grep 'inet ' | awk '{print $2}' | cut -f1 -d'/')
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colorEcho ${GREEN} "nignx已成功重启"
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colorEcho ${BLUE} "端口转发为： ${LOCAL_INTERNAL_IP}:${FRONT_PROXY_PORT} >>>> ${REVERSE_PROXY_IP}:${REVERSE_PROXY_PORT}"
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else
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colorEcho ${RED} "nginx重启失败，请检查是否端口已被使用！"
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fi
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else
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colorEcho ${RED} "端口转发文件添加失败，请手动添加！！"
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return 34
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fi
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return 0
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}
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addReverProxy() {
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#判断REVERSE_PROXY_IP是否符合IP的规格
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#判断REVERSE_PROXY_PORT是否被占用
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# 读取反向代理的模板然后写入相应的特定反向代理文件
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if [[ -a /etc/nginx/conf.d/reverse_proxy_demo ]]
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then
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cat > /etc/nginx/conf.d/${REVERSE_PROXY_SERVER_NAME}_${FRONT_PROXY_PORT}-${REVERSE_PROXY_IP}::${REVERSE_PROXY_PORT}.conf < /etc/nginx/conf.d/reverse_proxy_demo
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else
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colorEcho ${RED} "反向代理的模板文件丢失!!! 无法添加反向代理！"
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return 45
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fi
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if [[ -a /etc/nginx/conf.d/${REVERSE_PROXY_SERVER_NAME}_${FRONT_PROXY_PORT}-${REVERSE_PROXY_IP}::${REVERSE_PROXY_PORT}.conf ]]; then
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sed -i -e "s/\${REVERSE_PROXY_SERVER_NAME}/${REVERSE_PROXY_SERVER_NAME}/g" \
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-e "s/\${FRONT_PROXY_PORT}/${FRONT_PROXY_PORT}/g" \
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-e "s/\${REVERSE_PROXY_IP}/${REVERSE_PROXY_IP}/g" \
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-e "s/\${REVERSE_PROXY_PORT}/${REVERSE_PROXY_PORT}/g" \
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/etc/nginx/conf.d/${REVERSE_PROXY_SERVER_NAME}_${FRONT_PROXY_PORT}-${REVERSE_PROXY_IP}::${REVERSE_PROXY_PORT}.conf
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colorEcho ${GREEN} "反向代理文件添加成功！！"
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nginx -t && nginx -s reload
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if [[ $? -eq 0 ]];then
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colorEcho ${GREEN} "nignx已成功重启！！"
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colorEcho ${BLUE} "反向代理为： ${REVERSE_PROXY_SERVER_NAME}:${FRONT_PROXY_PORT} >>>> ${REVERSE_PROXY_IP}:${REVERSE_PROXY_PORT}"
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else
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colorEcho ${RED} "nginx重启失败，请检查是否端口已被使用！"
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fi
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else
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colorEcho ${RED} "反向代理配置文件添加失败，请手动添加！！"
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return 34
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fi
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return 0
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}
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#########################
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if [[ $# > 0 ]]
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then
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case "$1" in
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-tcp | -t)
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if [[ $# == 4 ]]; then
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FRONT_PROXY_PORT="${2}"
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REVERSE_PROXY_IP="${3}"
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REVERSE_PROXY_PORT="${4}"
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if [[ `checkPortInUse` -eq 0 ]]
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then
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addPortForward
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else
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return 23
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fi
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else
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colorEcho ${RED} "输入的参数有误，请重新输入！"
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return 123
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fi
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;;
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-h | --help)
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Help
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;;
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-http)
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if [[ $# == 5 ]]; then
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REVERSE_PROXY_SERVER_NAME="${2}"
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FRONT_PROXY_PORT="${3}"
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REVERSE_PROXY_IP="${4}"
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REVERSE_PROXY_PORT="${5}"
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if [[ `checkPortInUse -ne 0` ]]
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then
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addReverProxy
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fi
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else
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colorEcho ${RED} "输入的参数有误，请重新输入！"
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return 123
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fi
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;;
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*)
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# unknown option
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colorEcho ${RED} "输入的参数不正确！"
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Help
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return 1
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;;
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esac
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else
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colorEcho ${BLUE} "请输入参数！！本脚本的用法如下！！"
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Help
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fi
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