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Script is added to mendersoftware repository, instead of being downloaded from external private repository. Issues: MEN-2089 Signed-off-by: Adam Podogrocki a.podogrocki@gmail.com1.0.x
apodogrocki
6 years ago
committed by
Adam Podogrocki
2 changed files with 110 additions and 4 deletions
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#!/bin/sh |
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reboot_pi () { |
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umount /uboot |
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sync |
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echo b > /proc/sysrq-trigger |
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sleep 5 |
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exit 0 |
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} |
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check_commands () { |
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if ! command -v whiptail > /dev/null; then |
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FAIL_REASON="whiptail not found" |
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sleep 5 |
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return 1 |
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fi |
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for COMMAND in grep cut sed parted fdisk; do |
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if ! command -v $COMMAND > /dev/null; then |
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FAIL_REASON="$COMMAND not found" |
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return 1 |
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fi |
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done |
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return 0 |
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} |
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get_variables () { |
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# /sys/block/mmcblk0/mmcblk0p4/ |
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ROOT_PART_NAME="mmcblk0p4" |
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ROOT_DEV_NAME="mmcblk0" |
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ROOT_DEV="/dev/${ROOT_DEV_NAME}" |
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ROOT_PART_NUM=`cat /sys/block/${ROOT_DEV_NAME}/${ROOT_PART_NAME}/partition` |
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BOOT_PART_DEV=`cat /proc/mounts | grep " /uboot " | cut -d " " -f 1` |
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BOOT_PART_NAME=`echo $BOOT_PART_DEV | cut -d "/" -f 3` |
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BOOT_DEV_NAME=`echo /sys/block/*/${BOOT_PART_NAME} | cut -d "/" -f 4` |
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BOOT_PART_NUM=`cat /sys/block/${BOOT_DEV_NAME}/${BOOT_PART_NAME}/partition` |
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ROOT_DEV_SIZE=`cat /sys/block/${ROOT_DEV_NAME}/size` |
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TARGET_END=`expr $ROOT_DEV_SIZE - 1` |
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PARTITION_TABLE=`parted -m $ROOT_DEV unit s print | tr -d 's'` |
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LAST_PART_NUM=`echo "$PARTITION_TABLE" | tail -n 1 | cut -d ":" -f 1` |
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ROOT_PART_LINE=`echo "$PARTITION_TABLE" | grep -e "^${ROOT_PART_NUM}:"` |
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ROOT_PART_START=`echo $ROOT_PART_LINE | cut -d ":" -f 2` |
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ROOT_PART_END=`echo $ROOT_PART_LINE | cut -d ":" -f 3` |
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} |
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check_variables () { |
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if [ $ROOT_PART_NUM -ne $LAST_PART_NUM ]; then |
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FAIL_REASON="Data partition should be last partition" |
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return 1 |
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fi |
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if [ $ROOT_PART_END -gt $TARGET_END ]; then |
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FAIL_REASON="Data partition runs past the end of device" |
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return 1 |
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fi |
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if [ ! -b $ROOT_DEV ] || [ ! -b $ROOT_PART_DEV ] || [ ! -b $BOOT_PART_DEV ] ; then |
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FAIL_REASON="Could not determine partitions" |
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return 1 |
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fi |
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} |
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main () { |
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get_variables |
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if ! check_variables; then |
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return 1 |
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fi |
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if [ $ROOT_PART_END -eq $TARGET_END ]; then |
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reboot_pi |
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fi |
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if ! parted -m $ROOT_DEV u s resizepart $ROOT_PART_NUM $TARGET_END; then |
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FAIL_REASON="Data partition resize failed" |
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return 1 |
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fi |
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return 0 |
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} |
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mount -t proc proc /proc |
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mount -t sysfs sys /sys |
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mount /uboot |
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sed -i 's| init=/usr/lib/raspi-config/init_resize.sh||' /uboot/cmdline.txt |
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mount /uboot -o remount,ro |
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sync |
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echo 1 > /proc/sys/kernel/sysrq |
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if ! check_commands; then |
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reboot_pi |
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fi |
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if main; then |
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whiptail --infobox "Resized data partition. Rebooting in 5 seconds..." 20 60 |
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sleep 5 |
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else |
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sleep 5 |
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whiptail --msgbox "Could not expand filesystem, please try raspi-config.\n${FAIL_REASON}" 20 60 |
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fi |
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reboot_pi |
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