Arduino Sever PXE Script

#/bin/bash
#tc_pxe_build v0.1
# Written by John Vaughters at http://www.combustory.com
# This script will build the entire pxe directory structure needed to start a tinycore arduino server
 
# Check if already installed
if [ -d tc_pxe ]
   then
        echo '********************* Directory tc_pxe already exists. Please remove tc_pxe directory to run this Intall'
	exit 0
fi
 
# Create Directories
echo '*********************Creating Directories'
 
mkdir tc_downloads
mkdir tc_pxe_mnt
mkdir tc_pxe
mkdir tc_pxe/pxelinux.cfg
mkdir tc_pxe/tc_pxe_dev
mkdir tc_pxe/tc_pxe_dev/core_root
 
 
# Download and copy TinyCore
echo '*********************Downloading, Extracting and Copying TinyCore-current.iso'
 
cd tc_downloads
if [ ! -f TinyCore-current.iso ] 
   then
	wget http://distro.ibiblio.org/tinycorelinux/4.x/x86/release/TinyCore-current.iso
fi
mount TinyCore-current.iso ../tc_pxe_mnt -o loop,ro
cp -r ../tc_pxe_mnt/* ../tc_pxe
umount ../tc_pxe_mnt
cp ../tc_pxe/boot/core.gz ../tc_pxe/tc_pxe_dev
cd ../tc_pxe/tc_pxe_dev/core_root
zcat ../core.gz | sudo cpio -i -H newc -d
 
# Make directories and scripts for arduino initialization
echo '*********************Build new rootfs and add scripts for PXE boot'
 
mkdir home/scada
mkdir home/scada/scripts
mkdir home/scada/data
echo '#!/bin/bash' > home/scada/scripts/arduino_init
echo '# arduino_init - initialization tasks for scada' >> home/scada/scripts/arduino_init
echo '### Main script starts here ###' >> home/scada/scripts/arduino_init
echo '# Store file name of arduino' >> home/scada/scripts/arduino_init
echo 'FILE="/dev/arduino_1"' >> home/scada/scripts/arduino_init
echo ' ' >> home/scada/scripts/arduino_init
echo '# Arduino Communications' >> home/scada/scripts/arduino_init
echo '# set serial commuication for arduino' >> home/scada/scripts/arduino_init
echo 'stty -F $FILE cs8 115200 ignbrk -brkint -icrnl -imaxbel -opost -onlcr -isig -icanon -iexten -echo -echoe -echok -echoctl -echoke noflsh -ixon -crtscts' >> home/scada/scripts/arduino_init
echo '# make sure file (serial device) exist and is readable' >> home/scada/scripts/arduino_init
echo 'if ! pidof socat TCP-LISTEN:2111,fork OPEN:/dev/arduino_1; then' >> home/scada/scripts/arduino_init
echo '  echo "$FILE is not logging"' >> home/scada/scripts/arduino_init
echo '  if [ ! -c $FILE ]; then' >> home/scada/scripts/arduino_init
echo ' 	echo "$FILE : does not exists"' >> home/scada/scripts/arduino_init
echo '	exit 1' >> home/scada/scripts/arduino_init
echo '  elif [ ! -r $FILE ]; then' >> home/scada/scripts/arduino_init
echo '  	echo "$FILE: can not read"' >> home/scada/scripts/arduino_init
echo '  	exit 2' >> home/scada/scripts/arduino_init
echo '  else' >> home/scada/scripts/arduino_init
echo '        socat TCP-LISTEN:2111,fork OPEN:/dev/arduino_1' >> home/scada/scripts/arduino_init
echo '        echo "start process - socat TCP-LISTEN:2111,fork OPEN:$FILE"' >> home/scada/scripts/arduino_init
echo '  fi' >> home/scada/scripts/arduino_init
echo 'fi' >> home/scada/scripts/arduino_init
echo 'exit 0' >> home/scada/scripts/arduino_init
chmod 755 home/scada/scripts/arduino_init
 
# Add services to the boot script
echo '/etc/init.d/dropbear start' >> opt/bootlocal.sh
echo 'sh /home/scada/scripts/arduino_init &' >> opt/bootlocal.sh
echo 'SUBSYSTEMS=="usb", ATTRS{serial}=="A700618T", ATTRS{product}=="FT232R USB UART", ATTRS{idProduct}=="6001", ATTRS{idVendor}=="0403", NAME="arduino_1"' > etc/udev/rules.d/98-arduino.rules
 
# Build tiny_core rootfs
find | cpio -o -H newc | gzip -2 > ../ard-core.gz
cd ..
cp ard-core.gz ../boot/
 
# Create build_tinycore script
echo 'cd core-root' > build_tinycore
echo 'find | cpio -o -H newc | gzip -2 > ../ard-core.gz' >> build_tinycore
echo 'cd ..' >> build_tinycore
echo 'cp ard-core.gz ../boot/' >> build_tinycore
chmod 700 build_tinycore
 
# Download optional software packages
echo '*********************Downloading Additional Packages for TinyCore'
 
cd ../../tc_downloads
# Get ssh dropbear
if [ -f dropbear.tcz ] 
   then
	cp dropbear.tcz ../tc_pxe/cde/optional/
   else
	wget http://distro.ibiblio.org/tinycorelinux/4.x/x86/tcz/dropbear.tcz
	cp dropbear.tcz ../tc_pxe/cde/optional/
fi
# Get net utility socat
if [ -f socat.tcz ] 
   then
	cp socat.tcz ../tc_pxe/cde/optional/
   else
	wget http://distro.ibiblio.org/tinycorelinux/4.x/x86/tcz/socat.tcz
	cp socat.tcz ../tc_pxe/cde/optional/
fi
# Get usb to serial utility
if [ -f usb-serial-3.0.21-tinycore.tcz ] 
   then
	cp usb-serial-3.0.21-tinycore.tcz ../tc_pxe/cde/optional/
   else
	wget http://distro.ibiblio.org/tinycorelinux/4.x/x86/tcz/usb-serial-3.0.21-tinycore.tcz
	cp usb-serial-3.0.21-tinycore.tcz ../tc_pxe/cde/optional/
fi
cd ../tc_pxe
 
# Check if file exists before copy. If it does not exist then download the syslinux and extract
if [ -f "/usr/share/syslinux/pxelinux.0" ]
    then
	cp /usr/share/syslinux/pxelinux.0 .
    else
	echo '*********************Unable to find /usr/share/syslinux/pxelinux.0 downloading syslinux'
	cd ../tc_downloads
    	if [ ! -f "syslinux-4.06/core/pxelinux.0" ]
     	  then
		if [ ! -f "syslinux-4.06.tar.gz" ]
		  then
		      wget http://www.kernel.org/pub/linux/utils/boot/syslinux/4.xx/syslinux-4.06.tar.gz
	    	fi
		tar -zxf syslinux-4.06.tar.gz
		cp syslinux-4.06/core/pxelinux.0 ../tc_pxe/pxelinux.0
	  else 
		cp syslinux-4.06/core/pxelinux.0 ../tc_pxe/pxelinux.0
	fi	
	cd ../tc_pxe
fi
cd pxelinux.cfg
echo 'default boot/vmlinuz' > default
echo 'append initrd=boot/ard-core.gz tftplist=192.168.1.1:/tc_pxe/cde/onboot_x.lst xvesa=800x600x32' >> default 
cd ../cde
echo '/tc_pxe/cde/optional/Xlibs.tcz' > onboot_x.lst
echo '/tc_pxe/cde/optional/Xprogs.tcz' >> onboot_x.lst
echo '/tc_pxe/cde/optional/Xvesa.tcz' >> onboot_x.lst
echo '/tc_pxe/cde/optional/fltk-1.10.tcz' >> onboot_x.lst
echo '/tc_pxe/cde/optional/wbar.tcz' >> onboot_x.lst
echo '/tc_pxe/cde/optional/flwm_topside.tcz' >> onboot_x.lst
echo '/tc_pxe/cde/optional/usb-serial-3.0.21-tinycore.tcz' >> onboot_x.lst
echo '/tc_pxe/cde/optional/dropbear.tcz' >> onboot_x.lst
echo '/tc_pxe/cde/optional/socat.tcz' >> onboot_x.lst
 
echo '*********************Install Complete'