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164
init.sh
Executable file
164
init.sh
Executable file
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#!/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="8.5.0"
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DEBIAN_ARCH="amd64"
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BOOT_TYPE="efi64"
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SYSLINUX_VERSION="6.03"
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SYSLINUX_FILES="com32/menu/menu.c32 com32/menu/vesamenu.c32 com32/libutil/libutil.c32 com32/lib/libcom32.c32"
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SYSLINUX_BIOS_FILES="core/ldlinux.sys com32/elflink/ldlinux/ldlinux.c32"
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SYSLINUX_EFI_FILES="com32/elflink/ldlinux/ldlinux.e64"
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TMP_DIR="tmp"
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MOUNT_DIR="/mnt/usbstick"
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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 fot 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 $1; fi
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}
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# Arguments ...
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while getopts "ha:bd:" opt; do
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case "$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 "Destinatioj 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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# Création du répertoire temporaire
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if [ ! -d $TMP_DIR ]; then mkdir $TMP_DIR; fi
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if [[ -z $dest ]]
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then
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echo "No destination device specified, USB key will not be created."
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fi
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bootfiles_Debian="http://ftp.debian.org/debian/dists/jessie/main/installer-${DEBIAN_ARCH}/current/images/hd-media"
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iso_Debian="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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syslinux_url="https://www.kernel.org/pub/linux/utils/boot/syslinux/"
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syslinux_archive="syslinux-${SYSLINUX_VERSION}.tar.gz"
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current_dir=`pwd`
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# Download Debian file (kernel, initrd and iso)
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echo -e "\nPrepare Debian files\n---"
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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_Debian} $iso_file 1
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# Get Syslinux archive
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echo -e "\nPrepare syslinux files\n---"
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if [ ! -d "/tmp/syslinux-${SYSLINUX_VERSION}" ]
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then
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cd $TMP_DIR
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if [ ! -f $syslinux_archive ]; then download $syslinux_archive $syslinux_url 1; fi
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tar -xf $syslinux_archive
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cd $current_dir
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fi
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# Copy wanted syslinux file from archive
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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 ${TMP_DIR}/syslinux-${SYSLINUX_VERSION}/${BOOT_TYPE}/${file} ./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 ${TMP_DIR}/syslinux-${SYSLINUX_VERSION}/${BOOT_TYPE}/${file} ./syslinux/
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done
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create_dir "EFI/syslinux"
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cp ${TMP_DIR}/syslinux-${SYSLINUX_VERSION}/${BOOT_TYPE}/efi/syslinux.efi ./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 ${TMP_DIR}/syslinux-${SYSLINUX_VERSION}/${BOOT_TYPE}/${file} ./syslinux/
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done
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;;
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esac
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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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if [[ $BOOT_TYPE == "bios" ]]
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then
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# In bis mode, we need to write syslinux MBR.
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echo "Writing syslinux mbr.ini fo $dest"
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dd bs=440 count=1 conv=notrunc if=${TMP_DIR}/syslinux-${SYSLINUX_VERSION}/bios/mbr/mbr.bin of=${dest}
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fi
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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 * $MOUNT_DIR &> /dev/null
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cp -R syslinux $MOUNT_DIR &> /dev/null
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cp -R EFI $MOUNT_DIR &> /dev/null
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umount $MOUNT_DIR
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exit 0
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fi
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