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# Image to use with u-boot as BIOS and OSTree deployment system
# Boot filesystem size in MiB
# OSTree updates may require some space on boot file system for
# boot scripts, kernel and initramfs images
#
calculate_size () {
BASE=$1
SCALE=$2
MIN=$3
MAX=$4
EXTRA=$5
ALIGN=$6
SIZE=`echo "$BASE * $SCALE" | bc -l`
REM=`echo $SIZE | cut -d "." -f 2`
SIZE=`echo $SIZE | cut -d "." -f 1`
if [ -n "$REM" -o ! "$REM" -eq 0 ]; then
SIZE=`expr $SIZE \+ 1`
fi
if [ "$SIZE" -lt "$MIN" ]; then
SIZE=$MIN
fi
SIZE=`expr $SIZE \+ $EXTRA`
SIZE=`expr $SIZE \+ $ALIGN \- 1`
SIZE=`expr $SIZE \- $SIZE \% $ALIGN`
if [ -n "$MAX" ]; then
if [ "$SIZE" -gt "$MAX" ]; then
return -1
fi
fi
echo "${SIZE}"
}
OTA_SYSROOT = "${WORKDIR}/ota-sysroot"
TAR_IMAGE_ROOTFS_task-image-ota = "${OTA_SYSROOT}"
IMAGE_TYPEDEP_ota = "ostreecommit"
do_image_ota[dirs] = "${OTA_SYSROOT}"
do_image_ota[cleandirs] = "${OTA_SYSROOT}"
do_image_ota[depends] = "${@'grub:do_populate_sysroot' if d.getVar('OSTREE_BOOTLOADER') == 'grub' else ''} \
${@'virtual/bootloader:do_deploy' if d.getVar('OSTREE_BOOTLOADER') == 'u-boot' else ''}"
IMAGE_CMD_ota () {
ostree admin --sysroot=${OTA_SYSROOT} init-fs --modern ${OTA_SYSROOT}
ostree admin --sysroot=${OTA_SYSROOT} os-init ${OSTREE_OSNAME}
# Preparation required to steer ostree bootloader detection
mkdir -p ${OTA_SYSROOT}/boot/loader.0
ln -s loader.0 ${OTA_SYSROOT}/boot/loader
if [ "${OSTREE_BOOTLOADER}" = "grub" ]; then
# Used by ostree-grub-generator called by the ostree binary
export OSTREE_BOOT_PARTITION=${OSTREE_BOOT_PARTITION}
mkdir -p ${OTA_SYSROOT}/boot/grub2
ln -s ../loader/grub.cfg ${OTA_SYSROOT}/boot/grub2/grub.cfg
elif [ "${OSTREE_BOOTLOADER}" = "u-boot" ]; then
touch ${OTA_SYSROOT}/boot/loader/uEnv.txt
else
bbfatal "Invalid bootloader: ${OSTREE_BOOTLOADER}"
fi
ostree_target_hash=$(cat ${WORKDIR}/ostree_manifest)
# Use OSTree hash to avoid any potential race conditions between
# multiple builds accessing the same ${OSTREE_REPO}.
ostree --repo=${OTA_SYSROOT}/ostree/repo pull-local --remote=${OSTREE_OSNAME} ${OSTREE_REPO} ${ostree_target_hash}
kargs_list=""
for arg in ${OSTREE_KERNEL_ARGS}; do
kargs_list="${kargs_list} --karg-append=$arg"
done
# Create the same reference on the device we use in the archive OSTree
# repo in ${OSTREE_REPO}. This reference will show up when showing the
# deployment on the device:
# ostree admin status
# If a remote with the name ${OSTREE_OSNAME} is configured, this also
# will allow to use:
# ostree admin upgrade
ostree --repo=${OTA_SYSROOT}/ostree/repo refs --create=${OSTREE_OSNAME}:${OSTREE_BRANCHNAME} ${ostree_target_hash}
ostree admin --sysroot=${OTA_SYSROOT} deploy ${kargs_list} --os=${OSTREE_OSNAME} ${OSTREE_OSNAME}:${OSTREE_BRANCHNAME}
cp -a ${IMAGE_ROOTFS}/var/sota ${OTA_SYSROOT}/ostree/deploy/${OSTREE_OSNAME}/var/ || true
# Create /var/sota if it doesn't exist yet
mkdir -p ${OTA_SYSROOT}/ostree/deploy/${OSTREE_OSNAME}/var/sota
# Ensure the permissions are correctly set
chmod 700 ${OTA_SYSROOT}/ostree/deploy/${OSTREE_OSNAME}/var/sota
cp -a ${IMAGE_ROOTFS}/var/local ${OTA_SYSROOT}/ostree/deploy/${OSTREE_OSNAME}/var/ || true
mkdir -p ${OTA_SYSROOT}/ostree/deploy/${OSTREE_OSNAME}/var/rootdirs
cp -a ${IMAGE_ROOTFS}/home ${OTA_SYSROOT}/ostree/deploy/${OSTREE_OSNAME}/var/rootdirs/home || true
# Ensure that /var/local exists (AGL symlinks /usr/local to /var/local)
install -d ${OTA_SYSROOT}/ostree/deploy/${OSTREE_OSNAME}/var/local
# Set package version for the first deployment
target_version=${ostree_target_hash}
if [ -n "${GARAGE_TARGET_VERSION}" ]; then
target_version=${GARAGE_TARGET_VERSION}
elif [ -e "${STAGING_DATADIR_NATIVE}/target_version" ]; then
target_version=$(cat "${STAGING_DATADIR_NATIVE}/target_version")
fi
mkdir -p ${OTA_SYSROOT}/ostree/deploy/${OSTREE_OSNAME}/var/sota/import
echo "{\"${ostree_target_hash}\":\"${GARAGE_TARGET_NAME}-${target_version}\"}" > ${OTA_SYSROOT}/ostree/deploy/${OSTREE_OSNAME}/var/sota/import/installed_versions
}
IMAGE_TYPEDEP_ota-ext4 = "ota"
do_image_ota_ext4[depends] = "e2fsprogs-native:do_populate_sysroot"
IMAGE_CMD_ota-ext4 () {
# Calculate image size
OTA_ROOTFS_SIZE=$(calculate_size `du -ks ${OTA_SYSROOT} | cut -f 1` "${IMAGE_OVERHEAD_FACTOR}" "${IMAGE_ROOTFS_SIZE}" "${IMAGE_ROOTFS_MAXSIZE}" `expr ${IMAGE_ROOTFS_EXTRA_SPACE}` "${IMAGE_ROOTFS_ALIGNMENT}")
if [ ${OTA_ROOTFS_SIZE} -lt 0 ]; then
bbfatal "create_ota failed to calculate OTA rootfs size!"
fi
eval local COUNT=\"0\"
eval local MIN_COUNT=\"60\"
if [ ${OTA_ROOTFS_SIZE} -lt ${MIN_COUNT} ]; then
eval COUNT=\"${MIN_COUNT}\"
fi
dd if=/dev/zero of=${IMGDEPLOYDIR}/${IMAGE_NAME}${IMAGE_NAME_SUFFIX}.ota-ext4 seek=${OTA_ROOTFS_SIZE} count=${COUNT} bs=1024
mkfs.ext4 -O ^64bit ${IMGDEPLOYDIR}/${IMAGE_NAME}${IMAGE_NAME_SUFFIX}.ota-ext4 -L otaroot -d ${OTA_SYSROOT}
}
do_image_wic[depends] += "${@bb.utils.contains('DISTRO_FEATURES', 'sota', '%s:do_image_ota_ext4' % d.getVar('PN'), '', d)}"
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