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#!/usr/bin/env bash
file_exists () {
[[ -f $1 ]];
}
create_partition () {
mount -o remount,rw /
if [ -f start_upgrade ]
then
echo "Error_Upgrade_Already_Started"
exit 0
fi
touch start_upgrade
echo "Fdisking"
PARTITION=$(lsblk | awk 'NR==2 {print $1}')
PARTITION="/dev/${PARTITION}"
SECTORS_SIZE=$(fdisk -l "${PARTITION}" | awk 'NR==1 {print $7}')
if [ "${SECTORS_SIZE}" -lt 15583488 ] # self-flash not permited if SD size < 16gb
then
rm start_upgrade
echo "Error_Card_Size"
exit 0
fi
PART_ODOO_ROOT=$(fdisk -l | tail -n 1 | awk '{print $1}')
START_OF_ODOO_ROOT_PARTITION=$(fdisk -l | tail -n 1 | awk '{print $2}')
END_OF_ODOO_ROOT_PARTITION=$((START_OF_ODOO_ROOT_PARTITION + 11714061)) # sectors to have a partition of ~5.6Go
START_OF_UPGRADE_ROOT_PARTITION=$((END_OF_ODOO_ROOT_PARTITION + 1)) # sectors to have a partition of ~7.0Go
(echo 'p'; # print
echo 'd'; # delete partition
echo '2'; # number 2
echo 'n'; # create new partition
echo 'p'; # primary
echo '2'; # number 2
echo "${START_OF_ODOO_ROOT_PARTITION}"; # starting at previous offset
echo "${END_OF_ODOO_ROOT_PARTITION}"; # ending at ~9.9Go
echo 'n'; # create new partition
echo 'p'; # primary
echo '3'; # number 3
echo "${START_OF_UPGRADE_ROOT_PARTITION}"; # starting at previous offset
echo ''; # ending at default (fdisk should propose max) ~7.0Go
echo 'p'; # print
echo 'w') |fdisk "${PARTITION}" # write and quit
PART_RASPIOS_ROOT=$(sudo fdisk -l | tail -n 1 | awk '{print $1}')
sleep 5
# Clean partition
mount -o remount,rw /
partprobe # apply changes to partitions
resize2fs "${PART_ODOO_ROOT}"
mkfs.ext4 -Fv "${PART_RASPIOS_ROOT}" # change file sytstem
echo "end fdisking"
}
download_raspios () {
if [ ! -f *raspios*.img ] ; then
# download latest Raspios image and check integrity
LATEST_RASPIOS=$(curl -LIsw %{url_effective} http://downloads.raspberrypi.org/raspios_lite_armhf_latest | tail -n 1)
wget -c "${LATEST_RASPIOS}"
RASPIOS=$(echo *raspios*.zip)
wget -c "${LATEST_RASPIOS}".sha256
CHECK=$(sha256sum -c "${RASPIOS}".sha256)
if [ "${CHECK}" != "${RASPIOS}: OK" ]
then
# Checksum is not correct so clean and reset self-flashing
mount -o remount,rw /
# Clean raspios img
rm "${RASPIOS}" "${RASPIOS}".sha256
rm start_upgrade
echo "Error_Raspios_Download"
exit 0
fi
unzip "${RASPIOS}"
fi
echo "end dowloading raspios"
}
copy_raspios () {
umount -v /boot
# mapper raspios
PART_RASPIOS_ROOT=$(fdisk -l | tail -n 1 | awk '{print $1}')
PART_ODOO_ROOT=$(fdisk -l | tail -n 2 | awk 'NR==1 {print $1}')
PART_BOOT=$(fdisk -l | tail -n 3 | awk 'NR==1 {print $1}')
RASPIOS=$(echo *raspios*.img)
LOOP_RASPIOS=$(kpartx -avs "${RASPIOS}")
LOOP_RASPIOS_ROOT=$(echo "${LOOP_RASPIOS}" | tail -n 1 | awk '{print $3}')
LOOP_RASPIOS_ROOT="/dev/mapper/${LOOP_RASPIOS_ROOT}"
LOOP_BOOT=$(echo "${LOOP_RASPIOS}" | tail -n 2 | awk 'NR==1 {print $3}')
LOOP_BOOT="/dev/mapper/${LOOP_BOOT}"
mount -o remount,rw /
# copy raspios
dd if="${LOOP_RASPIOS_ROOT}" of="${PART_RASPIOS_ROOT}" bs=4M status=progress
e2fsck -fv "${PART_RASPIOS_ROOT}" # resize2fs requires clean fs
# Modify startup
mkdir -v raspios
mount -v "${PART_RASPIOS_ROOT}" raspios
resize2fs "${PART_RASPIOS_ROOT}"
chroot raspios/ /bin/bash -c "sudo apt-get -y update"
chroot raspios/ /bin/bash -c "sudo apt-get -y install kpartx"
PATH_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
cp -v "${PATH_DIR}"/upgrade.sh raspios/home/pi/
NBR_LIGNE=$(sed -n -e '$=' raspios/etc/rc.local)
sed -ie "${NBR_LIGNE}"'i\. /home/pi/upgrade.sh; copy_iot' raspios/etc/rc.local
cp -v /etc/fstab raspios/etc/fstab
sed -ie "s/$(echo ${PART_ODOO_ROOT} | sed -e 's/\//\\\//g')/$(echo ${PART_RASPIOS_ROOT} | sed -e 's/\//\\\//g')/g" raspios/etc/fstab
mkdir raspios/home/pi/config
find /home/pi -maxdepth 1 -type f ! -name ".*" -exec cp {} raspios/home/pi/config/ \;
# download latest IoT Box image and check integrity
wget -c 'https://nightly.odoo.com/master/iotbox/iotbox-latest.zip' -O raspios/iotbox-latest.zip
wget -c 'https://nightly.odoo.com/master/iotbox/SHA1SUMS.txt' -O raspios/SHA1SUMS.txt
cd raspios/
CHECK=$(sha1sum -c --ignore-missing SHA1SUMS.txt)
cd ..
umount -v raspios
if [ "${CHECK}" != "iotbox-latest.zip: OK" ]
then
# Checksum is not correct so clean and reset self-flashing
rm start_upgrade
echo "Error_Iotbox_Download"
exit 0
fi
# copy boot
mkfs.ext4 -Fv "${PART_BOOT}" # format /boot file sytstem
e2fsck -fv "${PART_BOOT}" # clean /boot fs
dd if="${LOOP_BOOT}" of="${PART_BOOT}" bs=4M status=progress
# Modify boot file
mkdir -v boot
mount -v "${PART_BOOT}" boot
PART_IOT_BOOT_ID=$(grep -oP '(?<=root=).*(?=rootfstype)' boot/cmdline.txt)
sed -ie "s/$(echo ${PART_IOT_BOOT_ID} | sed -e 's/\//\\\//g')/$(echo ${PART_RASPIOS_ROOT} | sed -e 's/\//\\\//g')/g" boot/cmdline.txt
umount -v boot
kpartx -dv "${RASPIOS}"
rm -v "${RASPIOS}"
reboot
}
copy_iot () {
mount -o remount,rw /
PART_IOTBOX_ROOT=$(fdisk -l | tail -n 2 | awk 'NR==1 {print $1}')
PART_BOOT=$(fdisk -l | tail -n 3 | awk 'NR==1 {print $1}')
# unzip latest IoT Box image
unzip iotbox-latest.zip
rm -v iotbox-latest.zip
IOTBOX=$(echo *iotbox*.img)
# mapper IoTBox
LOOP_IOTBOX=$(kpartx -avs "${IOTBOX}")
LOOP_IOTBOX_ROOT=$(echo "${LOOP_IOTBOX}" | tail -n 1 | awk '{print $3}')
LOOP_IOTBOX_ROOT="/dev/mapper/${LOOP_IOTBOX_ROOT}"
LOOP_BOOT=$(echo "${LOOP_IOTBOX}" | tail -n 2 | awk 'NR==1 {print $3}')
LOOP_BOOT="/dev/mapper/${LOOP_BOOT}"
umount -v /boot
sleep 5
echo "----------------------------------"
echo "Flash in progress - Please wait..."
echo "----------------------------------"
# copy new IoT Box
dd if="${LOOP_IOTBOX_ROOT}" of="${PART_IOTBOX_ROOT}" bs=4M status=progress
# copy boot of new IoT Box
dd if="${LOOP_BOOT}" of="${PART_BOOT}" bs=4M status=progress
mount -v "${PART_BOOT}" /boot
# Modify boot file
PART_BOOT_ID=$(grep -oP '(?<=root=).*(?=rootfstype)' /boot/cmdline.txt)
sed -ie "s/$(echo ${PART_BOOT_ID} | sed -e 's/\//\\\//g')/$(echo ${PART_IOTBOX_ROOT} | sed -e 's/\//\\\//g')/g" /boot/cmdline.txt
sed -i 's| init=/usr/lib/raspi-config/init_resize.sh||' /boot/cmdline.txt
# Modify startup
mkdir -v odoo
mount -v "${PART_IOTBOX_ROOT}" odoo
cp -v /home/pi/upgrade.sh odoo/home/pi/
NBR_LIGNE=$(sed -n -e '$=' odoo/etc/rc.local)
sed -ie "${NBR_LIGNE}"'i\. /home/pi/upgrade.sh; clean_local' odoo/etc/rc.local
find /home/pi/config -maxdepth 1 -type f ! -name ".*" -exec cp {} odoo/home/pi/ \;
reboot
}
cleanup () {
# clean partitions
PART_RASPIOS_ROOT=$(fdisk -l | tail -n 1 | awk '{print $1}')
mkfs.ext4 -Fv "${PART_RASPIOS_ROOT}" # format file sytstem
wipefs -a "${PART_RASPIOS_ROOT}"
PARTITION=$(echo "${PART_RASPIOS_ROOT}" | sed 's/..$//')
(echo 'p'; # print
echo 'd'; # delete partition
echo '3'; # number 3
echo 'p'; # print
echo 'w') |fdisk "${PARTITION}" # write and quit
echo "end cleanup"
}
clean_local () {
mount -o remount,rw /
mount -o remount,rw /root_bypass_ramdisks/
cleanup
NBR_LIGNE=$(sed -n -e '$=' /root_bypass_ramdisks/etc/rc.local)
DEL_LIGNE=$((NBR_LIGNE - 1))
sed -i "${DEL_LIGNE}"'d' /root_bypass_ramdisks/etc/rc.local
rm /home/pi/upgrade.sh
mount -o remount,ro /
mount -o remount,ro /root_bypass_ramdisks/
}
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