170 lines
4.3 KiB
Bash
Executable file
170 lines
4.3 KiB
Bash
Executable file
#!/bin/bash
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#
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# Script de creation d'un media bootable Debian
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# Pour l'ACAQB
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#
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# Dépend : syslinux,wget
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#
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OPTIND=1
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DEBIAN_VERSION="8.6.0"
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DEBIAN_ARCH="amd64"
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BOOT_TYPE="efi64"
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SYSLINUX_EXE=`which syslinux`
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SYSLINUX_FILES="menu.c32 vesamenu.c32 libutil.c32 libcom32.c32"
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SYSLINUX_BIOS_FILES=""
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SYSLINUX_EFI_FILES="ldlinux.e64"
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TMP_DIR="tmp"
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MOUNT_DIR="/mnt/usbstick"
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syslinux_mod="/usr/lib/syslinux"
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current_dir=`pwd`
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usage() {
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cat << EOF
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USAGE: ${0} [-a architecture] [-b]
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-a amd64 | i386 CPU architecture
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-b bios boot type (default is efi64)
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-d device_block USB key to write
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${0} initialize an usb key for Debian automatic install with preseed and a partman recipe.
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EOF
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}
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download (){
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#Download function
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# $1 : filename
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# $2 : url
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# $3 : 1 if abort download if file exist
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echo -ne "Downloading $1 ... "
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if [[ -f $1 && $3 == "1" ]]
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then
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echo file already downloaded.
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return
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fi
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wget ‐‐no-clobber -4 $2/$1 &> /dev/null
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echo "done!"
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}
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create_dir(){
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# $1 directory to create
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if [ ! -d $1 ]; then mkdir -p $1; fi
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}
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#Stop script if syslinux is not installed
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if [ ! -f $SYSLINUX_EXE ]
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then
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echo "Syslinux not found, script can't continue…"
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exit 1
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fi
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# Arguments ...
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while getopts "ha:bd:" opt; do
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case "$opt" in
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h)
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usage
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exit 0
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;;
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a)
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if [[ $OPTARG == "amd64" || $OPTARG == "i386" ]]
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then
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DEBIAN_ARCH=$OPTARG
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else
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echo "CPU architecture must be amd64 of i386, bye."
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exit 1
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fi
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;;
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b)
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BOOT_TYPE="bios"
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;;
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d)
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if [ -b $OPTARG ]
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then
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dest=$OPTARG
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else
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echo "Destination is not a block device, bye."
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exit 1
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fi
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;;
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esac
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done
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bootfiles_Debian="http://ftp.debian.org/debian/dists/jessie/main/installer-${DEBIAN_ARCH}/current/images/hd-media"
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iso_url="http://cdimage.debian.org/debian-cd/${DEBIAN_VERSION}/${DEBIAN_ARCH}/iso-cd"
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iso_file="debian-${DEBIAN_VERSION}-${DEBIAN_ARCH}-netinst.iso"
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# Création du répertoire temporaire
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if [ ! -d $TMP_DIR ]; then mkdir $TMP_DIR; fi
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if [[ -z $dest ]]
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then
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echo "No destination device specified, USB key will not be created."
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fi
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# Download Debian files (kernel, initrd and iso)
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echo -e "\nPrepare Debian files\n---"
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cd $TMP_DIR
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for file in "vmlinuz" "initrd.gz"
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do
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download $file $bootfiles_Debian 1
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done
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download $iso_file $iso_url 1
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cd $current_dir
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# Copy wanted syslinux file from archive
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create_dir ${TMP_DIR}/syslinux 1
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for file in $SYSLINUX_FILES
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do
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echo "copie de $file"
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cp ${syslinux_mod}/${BOOT_TYPE}/${file} ${TMP_DIR}/syslinux/
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done
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case $BOOT_TYPE in
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efi64)
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for file in $SYSLINUX_EFI_FILES
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do
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echo "copying $file ..."
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cp ${syslinux_mod}/${BOOT_TYPE}/${file} ${TMP_DIR}/syslinux/
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done
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create_dir "${TMP_DIR}/EFI/boot"
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cp -T ${syslinux_mod}/${BOOT_TYPE}/syslinux.efi ${TMP_DIR}/EFI/boot/bootx64.efi
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;;
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bios)
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for file in $SYSLINUX_BIOS_FILES
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do
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echo "copying $file ..."
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cp ${syslinux_mod}/${BOOT_TYPE}/${file} ${TMP_DIR}/syslinux/
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done
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;;
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esac
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echo Copying configuration file
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cp -R syslinux $TMP_DIR &> /dev/null
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if [[ -n $dest ]]
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then
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read -p "[WARNING] Disk $dest will be erased continue [Y/N]? " -n 1 -r
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if [[ ! $REPLY =~ ^[Yy]$ ]]
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then
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exit 1
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fi
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#dd if=/dev/zero of=${dest} bs=512 count=1 conv=notrunc &> /dev/null
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echo -e "\nCreating partition"
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parted -s ${dest} mklabel msdos mkpart primary fat32 1MiB 100% set 1 boot on
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mkfs.vfat ${dest}1 -n debian &> /dev/null
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# mount and copy
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create_dir $MOUNT_DIR
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mount ${dest}1 $MOUNT_DIR
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echo "copying all file to USB drive"
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cp -R ${TMP_DIR}/* $MOUNT_DIR &> /dev/null
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umount $MOUNT_DIR
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echo Unmounting key, please wait ...
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sleep 5
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# Make key bootable if bios.
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if [[ $BOOT_TYPE == "bios" ]]
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then
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# In this mode, we need to write syslinux MBR.
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echo "Writing syslinux mbr.ini fo $dest"
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dd bs=440 count=1 conv=notrunc if=${syslinux_mod}/${BOOT_TYPE}/mbr.bin of=${dest}
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syslinux --directory syslinux --install ${dest}1
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fi
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exit 0
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fi
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