272 lines
7.0 KiB
Bash
272 lines
7.0 KiB
Bash
#!/usr/bin/env bash
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#
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# System Required: CentOS, Debian, Ubuntu
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#
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# Description: Install haproxy for Shadowsocks server
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#
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# Author: Teddysun <i@teddysun.com>
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#
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# Intro: https://shadowsocks.be/10.html
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#
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cur_dir=`pwd`
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[[ $EUID -ne 0 ]] && echo "Error: This script must be run as root!" && exit 1
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clear
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echo
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echo "#############################################################"
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echo "# Install haproxy for Shadowsocks server #"
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echo "# Intro: https://shadowsocks.be/10.html #"
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echo "# Author: Teddysun <i@teddysun.com> #"
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echo "#############################################################"
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echo
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check_sys() {
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local checkType=$1
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local value=$2
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local release=''
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local systemPackage=''
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if [ -f /etc/redhat-release ]; then
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release="centos"
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systemPackage="yum"
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elif cat /etc/issue | grep -Eqi "debian"; then
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release="debian"
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systemPackage="apt"
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elif cat /etc/issue | grep -Eqi "ubuntu"; then
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release="ubuntu"
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systemPackage="apt"
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elif cat /etc/issue | grep -Eqi "centos|red hat|redhat"; then
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release="centos"
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systemPackage="yum"
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elif cat /proc/version | grep -Eqi "debian"; then
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release="debian"
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systemPackage="apt"
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elif cat /proc/version | grep -Eqi "ubuntu"; then
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release="ubuntu"
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systemPackage="apt"
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elif cat /proc/version | grep -Eqi "centos|red hat|redhat"; then
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release="centos"
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systemPackage="yum"
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fi
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if [ ${checkType} == "sysRelease" ]; then
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if [ "$value" == "$release" ]; then
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return 0
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else
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return 1
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fi
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elif [ ${checkType} == "packageManager" ]; then
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if [ "$value" == "$systemPackage" ]; then
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return 0
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else
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return 1
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fi
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fi
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}
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install_check() {
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if check_sys packageManager yum || check_sys packageManager apt; then
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return 0
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else
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return 1
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fi
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}
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disable_selinux(){
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if [ -s /etc/selinux/config ] && grep 'SELINUX=enforcing' /etc/selinux/config; then
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sed -i 's/SELINUX=enforcing/SELINUX=disabled/g' /etc/selinux/config
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setenforce 0
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fi
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}
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valid_ip(){
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local ip=$1
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local stat=1
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if [[ $ip =~ ^[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}$ ]]; then
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OIFS=$IFS
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IFS='.'
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ip=($ip)
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IFS=$OIFS
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[[ ${ip[0]} -le 255 && ${ip[1]} -le 255 && ${ip[2]} -le 255 && ${ip[3]} -le 255 ]]
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stat=$?
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fi
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return ${stat}
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}
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get_ip(){
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local IP=$( ip addr | egrep -o '[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}' | egrep -v "^192\.168|^172\.1[6-9]\.|^172\.2[0-9]\.|^172\.3[0-2]\.|^10\.|^127\.|^255\.|^0\." | head -n 1 )
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[ -z ${IP} ] && IP=$( wget -qO- -t1 -T2 ipv4.icanhazip.com )
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[ -z ${IP} ] && IP=$( wget -qO- -t1 -T2 ipinfo.io/ip )
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[ ! -z ${IP} ] && echo ${IP} || echo
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}
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get_char(){
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SAVEDSTTY=`stty -g`
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stty -echo
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stty cbreak
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dd if=/dev/tty bs=1 count=1 2> /dev/null
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stty -raw
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stty echo
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stty $SAVEDSTTY
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}
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# Pre-installation settings
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pre_install(){
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if ! install_check; then
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echo "Your OS is not supported to run it."
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echo "Please change to CentOS 6+/Debian 7+/Ubuntu 12+ and try again."
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exit 1
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fi
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# Set haproxy config port
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while true
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do
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echo -e "Please enter a port for haproxy and Shadowsocks server [1-65535]"
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read -p "(Default port: 8989):" haproxyport
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[ -z "${haproxyport}" ] && haproxyport="8989"
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expr ${haproxyport} + 0 &>/dev/null
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if [ $? -eq 0 ]; then
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if [ ${haproxyport} -ge 1 ] && [ ${haproxyport} -le 65535 ]; then
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echo
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echo "---------------------------"
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echo "port = ${haproxyport}"
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echo "---------------------------"
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echo
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break
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else
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echo "Enter error! Please enter a correct number."
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fi
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else
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echo "Enter error! Please enter a correct number."
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fi
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done
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# Set haproxy config IPv4 address
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while :
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do
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echo -e "Please enter your Shadowsocks server's IPv4 address for haproxy"
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read -p "(IPv4 is):" haproxyip
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valid_ip ${haproxyip}
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if [ $? -eq 0 ]; then
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echo
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echo "---------------------------"
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echo "IP = ${haproxyip}"
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echo "---------------------------"
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echo
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break
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else
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echo "Enter error! Please enter correct IPv4 address."
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fi
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done
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echo
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echo "Press any key to start...or Press Ctrl+C to cancel"
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char=`get_char`
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}
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# Config haproxy
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config_haproxy(){
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# Config DNS nameserver
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if ! grep -q "8.8.8.8" /etc/resolv.conf; then
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cp -p /etc/resolv.conf /etc/resolv.conf.bak
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echo "nameserver 8.8.8.8" > /etc/resolv.conf
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echo "nameserver 8.8.4.4" >> /etc/resolv.conf
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fi
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if [ -f /etc/haproxy/haproxy.cfg ]; then
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cp -p /etc/haproxy/haproxy.cfg /etc/haproxy/haproxy.cfg.bak
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fi
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cat > /etc/haproxy/haproxy.cfg<<-EOF
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global
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ulimit-n 51200
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log 127.0.0.1 local2
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chroot /var/lib/haproxy
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pidfile /var/run/haproxy.pid
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user haproxy
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group haproxy
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daemon
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defaults
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mode tcp
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log global
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option dontlognull
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timeout connect 5s
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timeout client 1m
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timeout server 1m
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frontend ss-${haproxyport}
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bind *:${haproxyport}
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default_backend ss-${haproxyport}
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backend ss-${haproxyport}
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server server1 ${haproxyip}:${haproxyport} maxconn 20480
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EOF
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}
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install(){
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# Install haproxy
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if check_sys packageManager yum; then
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yum install -y haproxy
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elif check_sys packageManager apt; then
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apt-get -y update
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apt-get install -y haproxy
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fi
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if [ -d /etc/haproxy ]; then
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echo "haproxy install success."
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echo "Config haproxy start..."
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config_haproxy
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echo "Config haproxy completed..."
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if check_sys packageManager yum; then
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chkconfig --add haproxy
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chkconfig haproxy on
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elif check_sys packageManager apt; then
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update-rc.d haproxy defaults
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fi
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# Start haproxy
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service haproxy start
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if [ $? -eq 0 ]; then
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echo "haproxy start success..."
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else
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echo "haproxy start failure..."
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fi
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else
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echo
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echo "haproxy install failed."
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exit 1
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fi
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sleep 3
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# restart haproxy
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service haproxy restart
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# Active Internet connections confirm
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netstat -nxtlp
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echo
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echo "Congratulations, haproxy install completed."
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echo -e "Your haproxy Server IP: \033[41;37m $(get_ip) \033[0m"
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echo -e "Your haproxy Server port: \033[41;37m ${haproxyport} \033[0m"
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echo -e "Your Input Shadowsocks IP: \033[41;37m ${haproxyip} \033[0m"
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echo
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echo "Welcome to visit: https://shadowsocks.be/10.html"
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echo "Enjoy it."
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echo
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}
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# Install haproxy
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install_haproxy(){
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disable_selinux
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pre_install
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install
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}
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# Initialization step
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install_haproxy 2>&1 | tee ${cur_dir}/haproxy_for_shadowsocks.log
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