This script will automate process for HAProxy installation

InstallHAProxy_ubuntu.sh

#!/bin/bash 
# This script will install HAproxy with LUA+SSL support 
# Author : Mansur Ul Hasan
# Email : [email protected]
# Disclaimer : This script is well tested on ubuntu if you are using RPM based distros please install relevant packages 

CheckOS () {
  


InstallPre () {
### This function install required depenedencies 
  apt-get update ; 
  apt-get install build-essential readline-dev libedit-dev libreadline-gplv2-dev libpcre3-dev libssl-dev -y
}

InstallLua () {
### This function will setup LUA 
  wget http://www.lua.org/ftp/lua-5.3.3.tar.gz
  tar -xvf lua-5.3.3.tar.gz 
  cd lua-5.3.3/
  make linux
  make install
  lua -v 
}

InstallHaproxy () { 
  wget http://www.haproxy.org/download/1.8/src/haproxy-1.8.0.tar.gz
  tar -xvf haproxy-1.8.0.tar.gz
  cd haproxy-1.8.0/
  make TARGET=linux2628 USE_PCRE=1 USE_OPENSSL=1 USE_ZLIB=1 USE_CRYPT_H=1 USE_LIBCRYPT=1 USE_LUA=1
  make install 
  haproxy -v
}

ConfigureHAProxy () {

  mkdir /etc/haproxy
  mkdir /etc/haproxy/errors/
  mkdir /run/haproxy/
  mkdir /var/lib/haproxy
  adduser haproxy

echo "global
	log /dev/log	local0
	log /dev/log	local1 notice
	chroot /var/lib/haproxy
	stats socket /run/haproxy/admin.sock mode 660 level admin
	stats timeout 30s
	user haproxy
	group haproxy
	daemon

	# Default SSL material locations
	ca-base /etc/ssl/certs
	crt-base /etc/ssl/private
	tune.ssl.default-dh-param 2048

	# Default ciphers to use on SSL-enabled listening sockets.
	# For more information, see ciphers(1SSL). This list is from:
	#  https://hynek.me/articles/hardening-your-web-servers-ssl-ciphers/
	ssl-default-bind-ciphers ECDH+AESGCM:DH+AESGCM:ECDH+AES256:DH+AES256:ECDH+AES128:DH+AES:ECDH+3DES:DH+3DES:RSA+AESGCM:RSA+AES:RSA+3DES:!aNULL:!MD5:!DSS
	ssl-default-bind-options no-sslv3 force-tlsv12
#### ENable logging 
#log 127.9.9.1 local1

defaults
#	log	global
#	mode	http
#	option	httplog
	option	dontlognull
##################################
#	option forwardfor
#	option http-server-close
##################################
        timeout connect 5000
        timeout client  50000
        timeout server  50000
	errorfile 400 /etc/haproxy/errors/400.http
	errorfile 403 /etc/haproxy/errors/403.http
	errorfile 408 /etc/haproxy/errors/408.http
	errorfile 500 /etc/haproxy/errors/500.http
	errorfile 502 /etc/haproxy/errors/502.http
	errorfile 503 /etc/haproxy/errors/503.http
	errorfile 504 /etc/haproxy/errors/504.http


##########################################
## Definations for TCP Loadbalancing 
" > /etc/haproxy/haproxy.cfg

}

StartingHaproxy () {
## Installing Pre requisites 
  InstallPre
## Installing LUA package
  InstallLua
### Installing HAProxy
  InstallHaproxy
### Configure HAProxy 
  ConfigureHAProxy 

### Starting HAProxy
  haproxy -f /etc/haproxy/haproxy.cfg
} 

StartingHaproxy