为简化工作中手动部署Haproxy的工作量以及降低错误概率，特地编写依菜单的形式安装Haproxy的脚本，具体如下：
#!/bin/bash
#*************************************************************
#Author: fanfubin
#QQ: 502422514
#Date: 2019-03-19
#FileName: haproxy.sh
#Description: The install haproxy script
#Copyright (C): 2019 All rights reserved
#*************************************************************
source /etc/init.d/functions
BLACK_COLOR='\E[1;30m'
RED_COLOR='\E[1;31m'
GREEN_COLOR='\E[1;32m'
YELLOW_COLOR='\E[1;33m'
BLUE_COLOR='\E[1;34m'
PINK_COLOR='\E[1;35m' #紫色
SKYBLUE_COLOR='\E[1;36m' #天蓝色
WHITE_COLOR='\E[1;37m' #白色
SHAN='\E[31;5m' #字体闪烁
RES='\E[0m'
f_color() {
case "$1" in
black)
echo -e "${PINK_COLOR}$2 ${RES}"
;;
red)
echo -e "${RED_COLOR}$2 ${RES}"
;;
green)
echo -e "${GREEN_COLOR}$2 ${RES}"
;;
yellow)
echo -e "${YELLOW_COLOR}$2 ${RES}"
;;
blue)
echo -e "${BLUE_COLOR}$2 ${RES}"
;;
skyblue)
echo -e "${PINK_COLOR}$2 ${RES}"
;;
pink)
echo -e "${PINK_COLOR}$2 ${RES}"
;;
white)
echo -e "${PINK_COLOR}$2 ${RES}"
;;
shan)
echo -e "${SHAN}$2 ${RES}"
;;
*)
exit
esac
}
#返回值: 0-错误 1-正确 只能判断+/- int num
f_is_num() {
[ $# -eq 1 ] && {
expr $1 + 1 &>/dev/null
if [ $? -eq 0 -a "$1" != "-1" ];then
return 1
else
return 0
fi
} || {
return 0
}
}
f_main_title() {
f_color green "`echo -e "\t服务器监控系统"`"
}
cpu_count=`lscpu|awk -F ' +' '/^CPU\(s\):/{print $2}'`
if [ $cpu_count -le 2 ];then
export cpu_num="1"
else
let cpu_num=`lscpu|awk -F ' +' '/^CPU\(s\):/{print $2}'`-1
export cpu_num
fi
export httpd_user="nginx"
export httpd_group="nginx"
export httpd_id="2000"
export haproxy_install_ver="haproxy-1.8.20.tar.gz"
##创建通用的用户名和id（user:nginx id:2000）
id $httpd_user
if [ `echo $?` -ne 0 ];then
useradd -s /sbin/nologin -M -u $httpd_id $httpd_user
else
test_httpd_id=`id $httpd_user | awk -F '[=(]' '{print $2}'`
test_httpd_gid=`id $httpd_user | awk -F '[=(]' '{print $4}'`
if [ $test_httpd_id -ne $httpd_id -o $test_httpd_gid -ne $httpd_id ];then
userdel -r $httpd_id
useradd -s /sbin/nologin -M -u $httpd_id $httpd_user
fi
fi
f_menu_3_install_server_haproxy_list() {
local path
local haproxy_install_dir
local num
local target
local system_one_ver
local system_two_ver
local system_three_ver
local choose_num
local locate_server_num
echo
f_main_title
echo "=================================="
cat <<-EOF
【1. 】 Show install version
【2. 】 Source install haproxy
【0. 】 Exit
EOF
echo "=================================="
# haproxy .tar. is exist?
yum -y install mlocate &> /dev/null
updatedb &> /dev/null
locate_server_num=`locate ${haproxy_install_ver}| wc -l`
if [ ! -e $haproxy_install_ver ];then
if [ $locate_server_num -eq 1 ];then
\cp `locate ${haproxy_install_ver}` . -a
elif [ $locate_server_num -ge 2 ];then
\cp `locate ${haproxy_install_ver} | head -n1` . -a
else
f_color red "`echo "${haproxy_install_ver} is not exist!"`"
f_menu_3_install_server_haproxy_list
fi
fi
haproxy_cpu_count=`lscpu|awk -F ' +' '/^CPU\(s\):/{print $2}'`
haproxy_install_dir=`echo $haproxy_install_ver | awk -F '.tar.' '{print $1}'`
sys_one_ver=`uname -r|awk -F '.' '{print $1}'`
sys_two_ver=`uname -r|awk -F '.' '{print $2}'`
sys_three_ver=`uname -r|awk -F '.' '{print $3}'`
if [ $sys_one_ver -eq 2 ];then
if [ $sys_two_ver -ge 6 ];then
if [ $sys_three_ver -ge 28 ];then
target="linux2628"
else
target="linux26"
fi
else
f_color red "`echo "Your system is not exist $haproxy_install_ver"`"
f_menu_3_install_server_haproxy_list
fi
elif [ $sys_one_ver -eq 3 ];then
target="linux2628"
else
f_color red "`echo "Your system is not exist $haproxy_install_ver"`"
f_menu_3_install_server_haproxy_list
fi
read -p "Pls input a num:" num
f_is_num $num
[ $? -eq 1 ] || { action "Pls input valid num!" false ; f_menu_3_install_server_haproxy_list;}
case "$num" in
1)
echo
echo -e "\t$haproxy_install_ver"
f_menu_3_install_server_haproxy_list
;;
2)
echo
read -p "Pls input 1-install or 2-quit: " choose_num
f_is_num $choose_num
[ $? -eq 1 ] || { action "Pls input valid num!" false ; f_menu_3_install_server_haproxy_list;}
case "$choose_num" in
1)
echo
read -p "Pls input install Path or null: " path
if [ -z "$path" ];then
echo "Defaults install Path is /apps/${haproxy_install_dir}"
yum -y install gcc gcc-c++ glibc glibc-devel pcre pcre-devel openssl openssl-devel \
systemd-devel zlib-devel &> /dev/null
tar xf $haproxy_install_ver
cd $haproxy_install_dir
sleep 1
make ARCH=x86_64 TARGET="$target" USE_PCRE=1 USE_OPENSSL=1 USE_ZLIB=1 USE_SYSTEMD=1 \
USE_CPU_AFFINITY=1 PREFIX="/apps/${haproxy_install_dir}"
sleep 1
make install PREFIX="/apps/${haproxy_install_dir}"
cp haproxy /usr/sbin/
sleep 1
cat >/usr/lib/systemd/system/haproxy.service<<-EOF
[Unit]
Description=HAProxy Load Balancer
After=syslog.target network.target
[Service]
ExecStartPre=/usr/sbin/haproxy -f /etc/haproxy/haproxy.cfg -c -q
ExecStart=/usr/sbin/haproxy -Ws -f /etc/haproxy/haproxy.cfg -p /run/haproxy.pid
ExecReload=/bin/kill -USR2 $MAINPID
[Install]
WantedBy=multi-user.target
EOF
mkdir -p /etc/haproxy
cat >/etc/haproxy/haproxy.cfg<<-EOF
global
maxconn 100000
chroot "/apps/${haproxy_install_dir}"
#stats socket /var/lib/haproxy/haproxy.sock mode 600 level admin
uid $httpd_id
gid $httpd_id
daemon
nbproc $haproxy_cpu_count
pidfile /run/haproxy.pid
log 127.0.0.1 local3 info
defaults
option http-keep-alive
option forwardfor
maxconn 100000
mode http
timeout connect 300000ms
timeout client 300000ms
timeout server 300000ms
listen stats
mode http
bind 0.0.0.0:9000
stats enable
log global
stats uri /haproxy-status
stats auth haadmin:q1w2e3r4ys
EOF
for i in `seq $haproxy_cpu_count`
do
let bind_cpu=$i-1
sed -ri '/nbproc/acpu-map '$i' '$bind_cpu'' /etc/haproxy/haproxy.cfg
done
mkdir -p /var/lib/haproxy
chown ${httpd_user}.${httpd_user} /var/lib/haproxy/ -R
systemctl daemon-reload
systemctl restart haproxy
cd - &> /dev/null
f_color shan "`echo "haproxy install path is: /apps/${haproxy_install_dir}"`"
sleep 1
else
yum -y install gcc gcc-c++ glibc glibc-devel pcre pcre-devel openssl openssl-devel \
systemd-devel zlib-devel &> /dev/null
tar xf $haproxy_install_ver
cd $haproxy_install_dir
sleep 1
make ARCH=x86_64 TARGET="$target" USE_PCRE=1 USE_OPENSSL=1 USE_ZLIB=1 USE_SYSTEMD=1 \
USE_CPU_AFFINITY=1 PREFIX="${path}"
sleep 1
make install PREFIX="${path}"
cp haproxy /usr/sbin/
sleep 1
cat >/usr/lib/systemd/system/haproxy.service<<-EOF
[Unit]
Description=HAProxy Load Balancer
After=syslog.target network.target
[Service]
ExecStartPre=/usr/sbin/haproxy -f /etc/haproxy/haproxy.cfg -c -q
ExecStart=/usr/sbin/haproxy -Ws -f /etc/haproxy/haproxy.cfg -p /run/haproxy.pid
ExecReload=/bin/kill -USR2 $MAINPID
[Install]
WantedBy=multi-user.target
EOF
mkdir -p /etc/haproxy
cat >/etc/haproxy/haproxy.cfg<<-EOF
global
maxconn 100000
chroot "${path}"
#stats socket /var/lib/haproxy/haproxy.sock mode 600 level admin
uid $httpd_id
gid $httpd_id
daemon
nbproc $haproxy_cpu_count
pidfile /run/haproxy.pid
log 127.0.0.1 local3 info
defaults
option http-keep-alive
option forwardfor
maxconn 100000
mode http
timeout connect 300000ms
timeout client 300000ms
timeout server 300000ms
listen stats
mode http
bind 0.0.0.0:9000
stats enable
log global
stats uri /haproxy-status
stats auth haadmin:q1w2e3r4ys
EOF
for i in `seq $haproxy_cpu_count`
do
let bind_cpu=$i-1
sed -ri '/nbproc/acpu-map '$i' '$bind_cpu'' /etc/haproxy/haproxy.cfg
done
mkdir -p /var/lib/haproxy
chown ${httpd_user}.${httpd_user} /var/lib/haproxy/ -R
systemctl daemon-reload
systemctl restart haproxy
cd - &> /dev/null
f_color shan "`echo "haproxy install path is: ${path}"`"
sleep 1
fi
f_menu_3_install_server_haproxy_list
;;
2)
f_menu_3_install_server_haproxy_list
;;
*)
f_menu_3_install_server_haproxy_list
;;
esac
;;
0)
exit 1
;;
*)
echo
f_menu_3_install_server_haproxy_list
esac
unset path
unset haproxy_install_dir
unset num
unset target
unset system_one_ver
unset system_two_ver
unset system_three_ver
unset choose_num
unset locate_server_num
}
Flag=true
while $Flag
do
f_menu_3_install_server_haproxy_list
if [ $? -eq 0 ];then
Flag=false
fi
done