#!/bin/sh ######################################################################## # rpi2-gen-image.sh ver2a 12/2015 # # Advanced debian "jessie" bootstrap script for RPi2 # # This program is free software; you can redistribute it and/or # modify it under the terms of the GNU General Public License # as published by the Free Software Foundation; either version 2 # of the License, or (at your option) any later version. # # some parts based on rpi2-build-image: # Copyright (C) 2015 Ryan Finnie # Copyright (C) 2015 Luca Falavigna ######################################################################## source ./functions.sh set -e set -x # Debian release RELEASE=${RELEASE:=jessie} KERNEL=${KERNEL:=3.18.0-trunk-rpi2} # Build settings BASEDIR=$(pwd)/images/${RELEASE} BUILDDIR=${BASEDIR}/build # General settings HOSTNAME=${HOSTNAME:=rpi2-${RELEASE}} PASSWORD=${PASSWORD:=raspberry} DEFLOCAL=${DEFLOCAL:="en_US.UTF-8"} TIMEZONE=${TIMEZONE:="Europe/Berlin"} XKBMODEL=${XKBMODEL:=""} XKBLAYOUT=${XKBLAYOUT:=""} XKBVARIANT=${XKBVARIANT:=""} XKBOPTIONS=${XKBOPTIONS:=""} EXPANDROOT=${EXPANDROOT:=true} # Network settings ENABLE_DHCP=${ENABLE_DHCP:=true} # NET_* settings are ignored when ENABLE_DHCP=true # NET_ADDRESS is an IPv4 or IPv6 address and its prefix, separated by "/" NET_ADDRESS=${NET_ADDRESS:=""} NET_GATEWAY=${NET_GATEWAY:=""} NET_DNS_1=${NET_DNS_1:=""} NET_DNS_2=${NET_DNS_2:=""} NET_DNS_DOMAINS=${NET_DNS_DOMAINS:=""} NET_NTP_1=${NET_NTP_1:=""} NET_NTP_2=${NET_NTP_2:=""} # APT settings APT_PROXY=${APT_PROXY:=""} APT_SERVER=${APT_SERVER:="ftp.debian.org"} # Feature settings ENABLE_CONSOLE=${ENABLE_CONSOLE:=true} ENABLE_IPV6=${ENABLE_IPV6:=true} ENABLE_SSHD=${ENABLE_SSHD:=true} ENABLE_SOUND=${ENABLE_SOUND:=true} ENABLE_DBUS=${ENABLE_DBUS:=true} ENABLE_HWRANDOM=${ENABLE_HWRANDOM:=true} ENABLE_MINGPU=${ENABLE_MINGPU:=false} ENABLE_XORG=${ENABLE_XORG:=false} ENABLE_WM=${ENABLE_WM:=""} ENABLE_RSYSLOG=${ENABLE_RSYSLOG:=true} ENABLE_USER=${ENABLE_USER:=true} ENABLE_ROOT=${ENABLE_ROOT:=false} ENABLE_ROOT_SSH=${ENABLE_ROOT_SSH:=false} # Advanced settings ENABLE_MINBASE=${ENABLE_MINBASE:=false} ENABLE_UBOOT=${ENABLE_UBOOT:=false} ENABLE_FBTURBO=${ENABLE_FBTURBO:=false} ENABLE_HARDNET=${ENABLE_HARDNET:=false} ENABLE_IPTABLES=${ENABLE_IPTABLES:=false} # Kernel compilation settings BUILD_KERNEL=${BUILD_KERNEL:=false} # Image chroot path R=${BUILDDIR}/chroot CHROOT_SCRIPTS=${CHROOT_SCRIPTS:=""} # Packages required for bootstrapping REQUIRED_PACKAGES="debootstrap debian-archive-keyring qemu-user-static binfmt-support dosfstools rsync bmap-tools whois git-core" # Missing packages that need to be installed MISSING_PACKAGES="" # Packages required in the chroot build environment APT_INCLUDES=${APT_INCLUDES:=""} APT_INCLUDES="${APT_INCLUDES},apt-transport-https,ca-certificates,debian-archive-keyring,dialog,sudo" set +x # Are we running as root? if [ "$(id -u)" -ne "0" ] ; then echo "this script must be executed with root privileges" exit 1 fi # Add packages required for kernel cross compilation if [ "$BUILD_KERNEL" = true ] ; then REQUIRED_PACKAGES="${REQUIRED_PACKAGES} crossbuild-essential-armhf" fi # Check if all required packages are installed for package in $REQUIRED_PACKAGES ; do if [ "`dpkg-query -W -f='${Status}' $package`" != "install ok installed" ] ; then MISSING_PACKAGES="$MISSING_PACKAGES $package" fi done # Ask if missing packages should get installed right now if [ -n "$MISSING_PACKAGES" ] ; then echo "the following packages needed by this script are not installed:" echo "$MISSING_PACKAGES" echo -n "\ndo you want to install the missing packages right now? [y/n] " read confirm if [ "$confirm" != "y" ] ; then exit 1 fi fi # Make sure all required packages are installed apt-get -qq -y install ${REQUIRED_PACKAGES} # Don't clobber an old build if [ -e "$BUILDDIR" ]; then echo "directory $BUILDDIR already exists, not proceeding" exit 1 fi set -x # Call "cleanup" function on various signals and errors trap cleanup 0 1 2 3 6 # Set up chroot directory mkdir -p $R # Add required packages for the minbase installation if [ "$ENABLE_MINBASE" = true ] ; then APT_INCLUDES="${APT_INCLUDES},vim-tiny,netbase,net-tools" else APT_INCLUDES="${APT_INCLUDES},locales,keyboard-configuration,console-setup" fi # Add parted package, required to get partprobe utility if [ "$EXPANDROOT" = true ] ; then APT_INCLUDES="${APT_INCLUDES},parted" fi # Add dbus package, recommended if using systemd if [ "$ENABLE_DBUS" = true ] ; then APT_INCLUDES="${APT_INCLUDES},dbus" fi # Add iptables IPv4/IPv6 package if [ "$ENABLE_IPTABLES" = true ] ; then APT_INCLUDES="${APT_INCLUDES},iptables" fi # Add openssh server package if [ "$ENABLE_SSHD" = true ] ; then APT_INCLUDES="${APT_INCLUDES},openssh-server" fi # Add alsa-utils package if [ "$ENABLE_SOUND" = true ] ; then APT_INCLUDES="${APT_INCLUDES},alsa-utils" fi # Add rng-tools package if [ "$ENABLE_HWRANDOM" = true ] ; then APT_INCLUDES="${APT_INCLUDES},rng-tools" fi if [ "$ENABLE_USER" = true ]; then APT_INCLUDES="${APT_INCLUDES},sudo" fi # Add fbturbo video driver if [ "$ENABLE_FBTURBO" = true ] ; then # Enable xorg package dependencies ENABLE_XORG=true fi # Add user defined window manager package if [ -n "$ENABLE_WM" ] ; then APT_INCLUDES="${APT_INCLUDES},${ENABLE_WM}" # Enable xorg package dependencies ENABLE_XORG=true fi # Add xorg package if [ "$ENABLE_XORG" = true ] ; then APT_INCLUDES="${APT_INCLUDES},xorg" fi ## Main bootstrap for i in bootstrap.d/*.sh; do . $i done for i in custom.d/*.sh; do . $i done # Invoke custom scripts if [ -n "${CHROOT_SCRIPTS}" ]; then cp -r "${CHROOT_SCRIPTS}" "${R}/chroot_scripts" LANG=C chroot $R bash -c 'for SCRIPT in /chroot_scripts/*; do if [ -f $SCRIPT -a -x $SCRIPT ]; then $SCRIPT; fi done;' rm -rf "${R}/chroot_scripts" fi ## Cleanup chroot_exec apt-get -y clean chroot_exec apt-get -y autoclean chroot_exec apt-get -y autoremove # Unmount mounted filesystems umount -l $R/proc umount -l $R/sys # Clean up files rm -f $R/etc/apt/sources.list.save rm -f $R/etc/resolvconf/resolv.conf.d/original rm -rf $R/run mkdir -p $R/run rm -f $R/etc/*- rm -f $R/root/.bash_history rm -rf $R/tmp/* rm -f $R/var/lib/urandom/random-seed [ -L $R/var/lib/dbus/machine-id ] || rm -f $R/var/lib/dbus/machine-id rm -f $R/etc/machine-id rm -fr $R/etc/apt/apt.conf.d/10proxy rm -f $R/etc/resolv.conf # Calculate size of the chroot directory in KB CHROOT_SIZE=$(expr `du -s $R | awk '{ print $1 }'`) # Calculate the amount of needed 512 Byte sectors TABLE_SECTORS=$(expr 1 \* 1024 \* 1024 \/ 512) BOOT_SECTORS=$(expr 64 \* 1024 \* 1024 \/ 512) ROOT_OFFSET=$(expr ${TABLE_SECTORS} + ${BOOT_SECTORS}) # The root partition is EXT4 # This means more space than the actual used space of the chroot is used. # As overhead for journaling and reserved blocks 20% are added. ROOT_SECTORS=$(expr $(expr ${CHROOT_SIZE} + ${CHROOT_SIZE} \/ 100 \* 20) \* 1024 \/ 512) # Calculate required image size in 512 Byte sectors IMAGE_SECTORS=$(expr ${TABLE_SECTORS} + ${BOOT_SECTORS} + ${ROOT_SECTORS}) # Prepare date string for image file name DATE="$(date +%Y-%m-%d)" # Prepare image file dd if=/dev/zero of="$BASEDIR/${DATE}-debian-${RELEASE}.img" bs=512 count=${TABLE_SECTORS} dd if=/dev/zero of="$BASEDIR/${DATE}-debian-${RELEASE}.img" bs=512 count=0 seek=${IMAGE_SECTORS} # Write partition table sfdisk -q -f "$BASEDIR/${DATE}-debian-${RELEASE}.img" <