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bootstrap.sh
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bootstrap.sh
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#!/bin/bash
# More debugging
set -x
abort()
{
echo >&2 '
***************
*** ABORTED ***
***************
'
echo "Some error occurred before." >&2
echo "Now trying to clean up" >&2
sync; sleep 1
umount -l $rootfs/dev
umount -l $rootfs/proc
# this does all the heavy lifting
unmount_image $image
# ToDo
exit 1
}
trap 'abort' 0
# These linear scripts without error handling shall not continue when an error occurred.
set -e
applications_confd=${0%/*}/applications.conf.d
boards_confd=${0%/*}/boards.conf.d
distributions_confd=${0%/*}/distributions.conf.d
systems_confd=${0%/*}/systems.conf.d
tools_d=${0%/*}/tools.d
source ${tools_d}/functions.sh
# Root privileges are needed
check_root || exit 1
# Check for requirements
check_requirements || exit 1
# Load configuration for this system
source ${systems_confd}/${1}.d/bootstrap.sh
# Get board configuration
board=${board?Board not provided}
source ${boards_confd}/${board}.d/${board}.conf
# Get distribution configuration
distribution=${distribution?Distribution not provided.}
source ${distributions_confd}/${distribution}.d/${distribution}.conf
echo "***************************************************************************"
echo " Building for board=${board} "
echo " Building with distribution=${distribution} "
echo "***************************************************************************"
################################# Directories ##################################
buildenv="$(readlink -f ${0%/*}/build)"
rootfs="${buildenv}/rootfs"
bootfs="${rootfs}/boot"
mydate=`date +%Y-%m-%d_%H%M`
# path to final image
image="${buildenv}/${hostname}_${board}_${distribution}_${mydate}.img"
################################# Packages #####################################
# if not provided by config file
if [ -z "$packages" ]; then
packages=""
fi
# Every package line need a whitespace at its end
packages+="ntp ntpdate openssh-server "
# convenience and/or needed for using some tools interactively
packages+="dialog less nano bzip2 "
# convenience
packages+="bash-completion htop usbutils picocom mc ack-grep "
# localization and keyboard layout
packages+="console-common locales "
# needed for rpi-update bootstrap
packages+="git-core wget curl ca-certificates binutils "
# packages needed for networking
packages+="net-tools netbase ifupdown net-tools isc-dhcp-client "
packages+="wireless-tools wpasupplicant inetutils-ping "
# python and pyserial for serial to tcp redirect
packages+="python python-serial python-pip python-dev build-essential "
# needed for openocd
packages+="libusb-1.0-0 "
############################## Image Handling ##################################
# make sure buildenv directory exists
mkdir -p $buildenv
# create image
echo " # creating image file '$(basename $image)' with size ${img_size}M and layout ${img_partition_layout}."
create_image $image $img_size $img_partition_layout || (echo "FAILED"; exit 1)
# make sure rootfs path exists
mkdir -p $rootfs
# mount image file to rootfs (mounts / and /boot)
mount_image $image $rootfs
# make sure /dev and /proc exist
mkdir -p $rootfs/dev
mkdir -p $rootfs/proc
mount -o bind /dev $rootfs/dev
mount -o bind /proc $rootfs/proc
############################### Bootstrapping ##################################
# First and second stage bootstrapping of Debian system
source ${distributions_confd}/debootstrap.sh
############################### Debian Setup ###################################
# set repository
echo "deb $deb_mirror $deb_release $deb_repos
" > $rootfs/etc/apt/sources.list
# create fstab
echo "proc /proc proc defaults 0 0
/dev/mmcblk0p1 /boot vfat defaults 0 0
/dev/mmcblk0p2 / ext4 defaults 0 0
" > $rootfs/etc/fstab
# configure hostname
echo "$hostname" > $rootfs/etc/hostname
# configure hostname in /etc/hosts
# @TODO
# TODO: this should be moved to config file
# kernel commandline for boot
echo "Setting kernel boot command-line to " ${kernel_boot_command}
echo ${kernel_boot_command} > ${rootfs}/boot/cmdline.txt
############################## conf.d scripts ##################################
export LANG=C
export LC_CTYPE=C
export LC_MESSAGES=C
export LC_ALL=C
# Run scripts from board directory
for script in ${boards_confd}/${board}.d/*.sh
do
if [ ! -x "${script}" ]; then
continue
fi
echo "Running script '${script}' in directory '${rootfs}'"
${script} "${rootfs}"
done
echo "Finished scripts from ${board_confd}"
# Run scripts from distribution directory
for script in ${distributions_confd}/${distribution}.d/*.sh
do
if [ ! -x "${script}" ]; then
continue
fi
echo "Running script '${script}' in directory '${rootfs}'"
${script} "${rootfs}"
done
echo "Finished scripts from ${distributions_confd}"
# Run scripts from applications directory specified by array ${applications}
for script in "${applications[@]}";
do
if [ ! -x "${applications_confd}/${script}.sh" ]; then
continue
fi
echo "Running script '${applications_confd}/${script}.sh' in directory '${rootfs}'"
${applications_confd}/${script}.sh "${rootfs}"
done
echo "Finished scripts from ${applications_confd}"
# board specific configuration scripts
# if [ -n "$board_confd" ] && [ -d "$confd/$board_confd" ]
# then
# for script in $confd/$board_confd/*.sh
# do
# if [ ! -x "${script}" ]; then
# continue
# fi
#
# echo "Running script '${script}' in directory '${rootfs}'"
# ${script} "${rootfs}"
# done
#fi
################################ Cleanup #######################################
# safety first
sync; sleep 1
if mount | grep ${rootfs}/dev > /dev/null; then umount -l $rootfs/dev; fi
if mount | grep ${rootfs}/proc > /dev/null; then umount -l $rootfs/proc; fi
# this does all the heavy lifting
unmount_image $image
# change ownership of buildenv to top folder
owner="$(namei -o ${buildenv}/.. | tail -n 1 | cut -d ' ' -f 3)"
group="$(namei -o ${buildenv}/.. | tail -n 1 | cut -d ' ' -f 4)"
chown -R $owner:$group $buildenv
trap : 0
echo "*******************************************************************************"
echo "*** Created Image: $(basename $image)"
echo "*** * * * * Done * * * *"
echo "*******************************************************************************"