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haproxy.sh
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haproxy.sh
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#!/usr/bin/env bash
PATH=/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin:~/bin
export PATH
#=================================================
# System Required: CentOS/Debian/Ubuntu
# Description: HaProxy
# Version: 1.0.7
#=================================================
HaProxy_file="/etc/haproxy"
HaProxy_cfg_file="/etc/haproxy/haproxy.cfg"
#检查是否安装HaProxy
check_HaProxy(){
HaProxy_exist=`haproxy -v`
if [[ ${HaProxy_exist} = "" ]]; then
echo -e "\033[41;37m [错误] \033[0m 没有安装HaProxy,请检查 !" && exit 1
fi
}
#检查系统
check_sys(){
if [[ -f /etc/redhat-release ]]; then
release="centos"
elif cat /etc/issue | grep -q -E -i "debian"; then
release="debian"
elif cat /etc/issue | grep -q -E -i "ubuntu"; then
release="ubuntu"
elif cat /etc/issue | grep -q -E -i "centos|red hat|redhat"; then
release="centos"
elif cat /proc/version | grep -q -E -i "debian"; then
release="debian"
elif cat /proc/version | grep -q -E -i "ubuntu"; then
release="ubuntu"
elif cat /proc/version | grep -q -E -i "centos|red hat|redhat"; then
release="centos"
fi
#bit=`uname -m`
}
# 设置 防火墙规则
Save_iptables(){
if [[ ${release} == "centos" ]]; then
service iptables save
else
iptables-save > /etc/iptables.up.rules
fi
}
Set_iptables(){
if [[ ${release} == "centos" ]]; then
service iptables save
chkconfig --level 2345 iptables on
else
iptables-save > /etc/iptables.up.rules
echo -e '#!/bin/bash\n/sbin/iptables-restore < /etc/iptables.up.rules' > /etc/network/if-pre-up.d/iptables
chmod +x /etc/network/if-pre-up.d/iptables
fi
}
# 安装HaProxy
installHaProxy(){
HaProxy_exist=`haproxy -v`
if [[ ${HaProxy_exist} != "" ]]; then
echo -e "\033[41;37m [错误] \033[0m 已经安装HaProxy,请检查 !" && exit 1
fi
if [[ ${release} == "centos" ]]; then
yum update && yum install -y vim haproxy
else
apt-get update && apt-get install -y vim haproxy
fi
chmod +x /etc/rc.local
HaProxy_exist=`haproxy -v`
if [[ ${HaProxy_exist} = "" ]]; then
echo -e "\033[41;37m [错误] \033[0m 安装HaProxy失败,请检查 !" && exit 1
else
Set_iptables
if [[ ${release} == "centos" ]]; then
cat /etc/redhat-release |grep 7\..*|grep -i centos>/dev/null
if [[ $? = 0 ]]; then
systemctl enable haproxy.service
else
chmod +x /etc/init.d/haproxy
chkconfig --add haproxy
chkconfig haproxy on
fi
else
chmod +x /etc/init.d/haproxy
update-rc.d -f haproxy defaults
fi
setHaProxy
fi
}
setHaProxy(){
check_HaProxy
read -e -p "请输入 HaProxy 的 本地监听端口(转发端口) [1-65535](支持端口段: 2333-6666): " HaProxyport
[[ -z "${HaProxyport}" ]] && echo "取消..." && exit 1
read -e -p "请输入 HaProxy 欲转发的 IP:" HaProxyip
[[ -z "${HaProxyip}" ]] && echo "取消..." && exit 1
echo
echo "——————————————————————————————"
echo " 请检查 HaProxy 配置是否有误 !"
echo
echo -e " 本地监听端口 : \033[41;37m ${HaProxyport} \033[0m"
echo -e " 欲转发 IP : \033[41;37m ${HaProxyip} \033[0m"
echo "——————————————————————————————"
echo
read -e -p "请按任意键继续,如有配置错误请使用 Ctrl+C 退出。" var
HaProxy_port_1=`cat ${HaProxy_cfg_file} | sed -n "12p" | cut -c 12-23 | grep "-"`
HaProxy_port=`cat ${HaProxy_cfg_file} | sed -n "12p" | cut -c 12-23`
if [[ ${HaProxy_port_1} = "" ]]; then
iptables -D INPUT -p tcp --dport ${HaProxy_port} -j ACCEPT
else
HaProxy_port_1=`echo ${HaProxy_port_1} | sed 's/-/:/g'`
iptables -D INPUT -p tcp --dport ${HaProxy_port_1} -j ACCEPT
fi
cat > ${HaProxy_cfg_file}<<-EOF
global
defaults
log global
mode tcp
option dontlognull
timeout connect 5000
timeout client 50000
timeout server 50000
frontend ss-in1
bind *:${HaProxyport}
default_backend ss-out1
backend ss-out1
server server1 ${HaProxyip} maxconn 20480
EOF
restartHaProxy
}
# 查看HaProxy列表
viewHaProxy(){
check_HaProxy
HaProxy_port=`cat ${HaProxy_cfg_file} | sed -n "12p" | cut -c 12-23`
HaProxy_ip=`cat ${HaProxy_cfg_file} | sed -n "16p" | awk '{print $3}'`
ip=`wget -qO- -t1 -T2 ipinfo.io/ip`
[[ -z $ip ]] && ip="VPS_IP"
echo
echo "——————————————————————————————"
echo " HaProxy 配置信息: "
echo
echo -e " 本地 IP : \033[41;37m ${ip} \033[0m"
echo -e " 本地监听端口 : \033[41;37m ${HaProxy_port} \033[0m"
echo
echo -e " 欲转发 IP : \033[41;37m ${HaProxy_ip} \033[0m"
echo -e " 欲转发端口 : \033[41;37m ${HaProxy_port} \033[0m"
echo "——————————————————————————————"
echo
}
# 启动aProxy
startHaProxy(){
check_HaProxy
PID=`ps -ef | grep "haproxy" | grep -v grep | grep -v "haproxy.sh" | awk '{print $2}'`
[[ ! -z $PID ]] && echo -e "\033[41;37m [错误] \033[0m 发现 HaProxy 正在运行,请检查 !" && exit 1
if [[ ${release} == "centos" ]]; then
cat /etc/redhat-release |grep 7\..*|grep -i centos>/dev/null
if [[ $? = 0 ]]; then
systemctl start haproxy.service
else
/etc/init.d/haproxy start
fi
else
/etc/init.d/haproxy start
fi
sleep 2s
PID=`ps -ef | grep "haproxy" | grep -v grep | grep -v "haproxy.sh" | awk '{print $2}'`
[[ -z $PID ]] && echo -e "\033[41;37m [错误] \033[0m HaProxy 启动失败 !" && exit 1
HaProxy_port_1=`cat ${HaProxy_cfg_file} | sed -n "12p" | cut -c 12-23 | grep "-"`
HaProxy_port=`cat ${HaProxy_cfg_file} | sed -n "12p" | cut -c 12-23`
if [[ ${HaProxy_port_1} = "" ]]; then
iptables -I INPUT -p tcp --dport ${HaProxy_port} -j ACCEPT
else
HaProxy_port_1=`echo ${HaProxy_port_1} | sed 's/-/:/g'`
iptables -I INPUT -p tcp --dport ${HaProxy_port_1} -j ACCEPT
fi
echo && echo "——————————————————————————————" && echo
echo " HaProxy 已启动 !"
Save_iptables
viewHaProxy
}
# 停止aProxy
stopHaProxy(){
check_HaProxy
PID=`ps -ef | grep "haproxy" | grep -v grep | grep -v "haproxy.sh" | awk '{print $2}'`
[[ -z $PID ]] && echo -e "\033[41;37m [错误] \033[0m 发现 HaProxy 没有运行,请检查 !" && exit 1
if [[ ${release} == "centos" ]]; then
cat /etc/redhat-release |grep 7\..*|grep -i centos>/dev/null
if [[ $? = 0 ]]; then
systemctl stop haproxy.service
else
/etc/init.d/haproxy stop
fi
else
/etc/init.d/haproxy stop
fi
HaProxy_port_1=`cat ${HaProxy_cfg_file} | sed -n "12p" | cut -c 12-23 | grep "-"`
HaProxy_port=`cat ${HaProxy_cfg_file} | sed -n "12p" | cut -c 12-23`
if [[ ${HaProxy_port_1} = "" ]]; then
iptables -D INPUT -p tcp --dport ${HaProxy_port} -j ACCEPT
else
HaProxy_port_1=`echo ${HaProxy_port_1} | sed 's/-/:/g'`
iptables -D INPUT -p tcp --dport ${HaProxy_port_1} -j ACCEPT
fi
sleep 2s
PID=`ps -ef | grep "haproxy" | grep -v grep | grep -v "haproxy.sh" | awk '{print $2}'`
if [[ ! -z $PID ]]; then
echo -e "\033[41;37m [错误] \033[0m HaProxy 停止失败 !" && exit 1
else
Save_iptables
echo " HaProxy 已停止 !"
fi
}
restartHaProxy(){
# 检查是否安装
check_HaProxy
PID=`ps -ef | grep "haproxy" | grep -v grep | grep -v "haproxy.sh" | awk '{print $2}'`
if [[ ! -z $PID ]]; then
stopHaProxy
fi
startHaProxy
}
statusHaProxy(){
check_HaProxy
PID=`ps -ef | grep "haproxy" | grep -v grep | grep -v "haproxy.sh" | awk '{print $2}'`
if [[ ! -z $PID ]]; then
echo -e "\033[42;37m [信息] \033[0m HaProxy 正在运行,PID: ${PID} !"
else
echo -e "\033[42;37m [信息] \033[0m HaProxy 没有运行 !"
fi
}
uninstallHaProxy(){
check_HaProxy
echo "确定要卸载 HaProxy ? [y/N]"
read -e -p "(默认: n):" unyn
[[ -z ${unyn} ]] && unyn="n"
if [[ ${unyn} == [Yy] ]]; then
PID=`ps -ef | grep "haproxy" | grep -v grep | grep -v "haproxy.sh" | awk '{print $2}'`
if [[ ! -z $PID ]]; then
stopHaProxy
fi
if [[ ${release} == "centos" ]]; then
yum remove haproxy -y
else
apt-get remove haproxy -y
apt-get autoremove
fi
rm -rf ${HaProxy_file}
HaProxy_exist=`haproxy -v`
if [[ ${HaProxy_exist} != "" ]]; then
echo -e "\033[41;37m [错误] \033[0m HaProxy卸载失败,请检查 !" && exit 1
fi
echo && echo " HaProxy 已卸载 !" && echo
else
echo && echo "卸载已取消..." && echo
fi
}
check_sys
action=$1
[[ -z $1 ]] && action=install
case "$action" in
install|set|view|start|stop|restart|status|uninstall)
${action}HaProxy
;;
*)
echo "输入错误 !"
echo "用法: { install | view | set | start | stop | restart | status | uninstall }"
;;
esac