pxe-install-server.sh

#!/bin/bash

# deploy-pxe-server.sh: This script will setup a pxe boot / install server
# it will install all required packages and will place or alter the
# configurations files if needed.
#
# Author : Harald van der Laan
# Version: v0.1
# Date   : 15/apr/2015

############################################################
## functions
function spinner() {
	# This function will display a spinner to let you know that
	# the script is still running.
	local pid=${1}
	local delay=0.175
	local spinstr='|/-\'
	local infotext=${2}
	
	tput civis;
	
	while [ "$(ps a | awk '{print $1}' | grep ${pid})" ]; do
		local temp=${spinstr#?}
		printf " [%c] %s" "${spinstr}" "${infotext}"
		local spinstr=${temp}${spinstr%${temp}}
		sleep ${delay}
		printf "\b\b\b\b\b\b"
		
		for i in $(seq 1 ${#infotext}); do
			printf "\b"
		done
	done
	
	printf " \b\b\b\b"
	
	tput cnorm;
}

############################################################
## Main script

if [ $(id -u) -ne 0 ]; then
	echo " [Error]: This script must be runned with root privileges."
	exit 1
fi

# Installing required software
apt-get -qq update & spinner ${!} "Updating apt repository ..."
apt-get -qq --assume-yes install tftpd-hpa & spinner ${!} "Installing tftpd-hpa ..."
apt-get -qq --assume-yes install isc-dhcp-server & spinner ${!} "Installing isc-dhcp-server ..."
apt-get -qq --assume-yes install inetutils-inetd & spinner ${!} "Installing inetd ..."
apt-get -qq --assume-yes install nginx & spinner ${!} "Installing nginx ..."

# Settingup tftpd-hpa
echo " [ ] Configurating tftpd-hpa ..."
echo 'RUN_DAEMON="yes"' >> /etc/default/tftpd-hpa
echo 'OPTIONS="-l -s /var/lib/tftpboot' >> /etc/default/tftpd-hpa
echo " [+] Done setting up tftpd-hpa ..."

# Settingup isc-dhcp-server
echo " [ ] Configurating isc-dhcp-server ..."
cat << EOF >> /etc/dhcp/dhcpd.conf
subnet 172.16.1.0 netmask 255.255.255.0 {
	range 172.16.1.100 172.16.1.200;
	filename "pxelinux.0"
}
EOF
echo " [+] Done setting up isc-dhcp-server ..."

# Settingup inetd
echo " [ ] Configurating inetd ..."
echo "tftp    dgram    udp    wait    root    /usr/sbin/in.tftpd    /usr/sbin/in.tftpd -s /var/lib/tftpboot" >> /etc/inetd.conf
echo " [+] Done setting up inetd ..."

# Settingup nginx
echo " [ ] Configurating nginx ..."
cat << EOF > /etc/nginx/sites-enabled/default
server {
	listen 80 default_server;
	listen [::]:80 default_server ipv6only=on;
	
	root /usr/share/nginx/html;
	index index.html index.htm;
	
	location / {
		# try_files \$uri \$uri/ =404;
	}
}
EOF

# Restarting applications
service tftpd-hpa restart &> /dev/null && echo " [+] tftpd-hpa restarted ..."
service isc-dhcp-server restart &> /dev/null && echo " [+] isc-dhcp-server restarted ..."
service nginx restart &> /dev/null && echo " [+] nginx restarted ..."

echo
echo " [ ] Manuel things to do: mount ubuntu iso to /mnt"
echo " [ ] sudo mount -o loop <device | iso file> /mnt"
echo " [ ] sudo cp -avr /mnt/install/netboot/* /var/lib/tftpboot/"
echo " [ ] sudo cp -avr /mnt/* /usr/share/nginx/html/ubuntu"
echo 
echo " [ ] place a valid boot menu in /var/lib/tftpboot/pxelinux.cfg/default"
echo
echo " [ ] Example boot menu."
echo "default ubuntu-installer/amd64/boot-screems/vesamenu.c32"
echo "prompt 0"
echo "timeout 10"
echo
echo "label Install Ubuntu 14.04 LTS"
echo "    menu default"
echo "    menu label Install Ubuntu 14.04 LTS"
echo "    kernel ubuntu-installer/amd64/linux"
echo "    append url=http://this-host-ip/ubuntu/preseed/server.cfg auto=true priority=critical interface=auto \ "
echo "        console-keymap-at/keymap=us locale=en_US hostname=ubuntu domain=localhost \ "
echo "        initrd=ubuntu-installer/amd64/initrd.gz ramdisk_size=16432 root=/dev.rd/0 rw --"
echo 

exit 0