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|
#!/bin/bash
# Author: Steven Shiau <steven _at_ nchc org tw>
# License: GPL
# A script to expand the GPT partition table by disk size ratio.
# ///NOTE/// This program only works for GPT partition table, not for MBR.
# Load DRBL setting and functions
DRBL_SCRIPT_PATH="${DRBL_SCRIPT_PATH:-/usr/share/drbl}"
. $DRBL_SCRIPT_PATH/sbin/drbl-conf-functions
. /etc/drbl/drbl-ocs.conf
. $DRBL_SCRIPT_PATH/sbin/ocs-functions
# Settings
# Flag to check target disk size before creating partition table
chk_tgt_disk_size_bf_mk_pt="yes"
#
cmd_name="$(basename $0)"
#
USAGE() {
echo "$cmd_name: To create a proportional MBR partition table (not GPT) in a disk based on a existing partition table (sfdisk format)"
echo "Usage:"
echo " $cmd_name [OPTION] PARTITION_TABLE_FILE TARGET_DEVICE"
echo
echo "OPTION:"
echo " -b, --batch Run $cmd_name in batch mode, i.e. without any prompt or wait to press enter. VERY DANGEROUS!"
echo "$cmd_name will honor experimental variable EXTRA_SFDISK_OPT and use it as the option for sfdisk."
echo " -icds, --ignore-chk-dsk-size-pt Skip checking destination disk size before creating the partition table on it. By default it will be checked and if the size is smaller than the source disk, quit."
echo "Example:"
echo " To create a proportional partition table on disk /dev/sda based on /home/partimag/IMAGE/sda-pt.sf, use:"
echo "$cmd_name /home/partimag/IMAGE/sda-pt.sf /dev/sda"
}
# Parse command-line options
while [ $# -gt 0 ]; do
case "$1" in
-b|--batch)
batch_mode="yes"
shift;;
-icds|--ignore-chk-dsk-size-pt)
chk_tgt_disk_size_bf_mk_pt="no"
shift;;
-*) echo "${0}: ${1}: invalid option" >&2
USAGE >& 2
exit 2 ;;
*) break ;;
esac
done
# Original sfdisk format file
orig_sf=$1 # orig_sf is like: /home/partimag/IMAGE/sda-pt.sf
target_disk=$2 # target_disk is like: /dev/sda
#
ask_and_load_lang_set $specified_lang
#
if [ -z "$orig_sf" ]; then
[ "$BOOTUP" = "color" ] && $SETCOLOR_FAILURE
echo "No source partition table file was assigned!"
[ "$BOOTUP" = "color" ] && $SETCOLOR_NORMAL
USAGE
echo "$msg_program_stop!"
exit 1
fi
if [ ! -f "$orig_sf" ]; then
[ "$BOOTUP" = "color" ] && $SETCOLOR_FAILURE
echo "Source partition table file \"$orig_sf\" was _NOT_ found"
[ "$BOOTUP" = "color" ] && $SETCOLOR_NORMAL
echo "$msg_program_stop!"
exit 1
fi
if [ -z "$target_disk" ]; then
[ "$BOOTUP" = "color" ] && $SETCOLOR_FAILURE
echo "No target disk was assigned!"
[ "$BOOTUP" = "color" ] && $SETCOLOR_NORMAL
echo "$msg_program_stop!"
USAGE
exit 1
fi
#
if [ "$batch_mode" != "yes" ]; then
[ "$BOOTUP" = "color" ] && $SETCOLOR_WARNING
echo "This program will create a partition table in $target_disk"
echo "ALL THE DATA IN THE TARGET DEVICE WILL BE ERASED!!!"
[ "$BOOTUP" = "color" ] && $SETCOLOR_NORMAL
echo -n "$msg_are_u_sure_u_want_to_continue ? (y/N) "
read continue_confirm_ans
case "$continue_confirm_ans" in
y|Y|[yY][eE][sS])
echo "$msg_ok_let_do_it!"
;;
*)
echo "$msg_program_stop!"
exit 1
esac
fi
# Check if GPT disk, if yes, exit
if `is_mbr_partitition_table_disk $target_disk`; then
[ "$BOOTUP" = "color" ] && $SETCOLOR_FAILURE
echo "Disk $target_disk is MBR format. This program only works for GPT format."
[ "$BOOTUP" = "color" ] && $SETCOLOR_NORMAL
echo "$msg_program_stop!"
exit 1
fi
# Check if the format of sfdisk is created by sfdisk >= 2.26
if [ -z "$(LC_ALL=C grep -E "^label: gpt" $orig_sf)" ]; then
[ "$BOOTUP" = "color" ] && $SETCOLOR_FAILURE
echo "Partition table file \"$orig_sf\" does not contain GPT info."
echo "Make sure it's GPT format and outputted by sfdisk >= 2.26."
[ "$BOOTUP" = "color" ] && $SETCOLOR_NORMAL
echo "$msg_program_stop!"
exit 1
fi
# No size info in sda-pt.sf, we have to use sda-pt.parted.
orig_parted_tab="${orig_sf/.sf/.parted}"
orig_parted_dir="$(dirname $orig_sf)"
if [ ! -e "$orig_parted_tab" ]; then
[ "$BOOTUP" = "color" ] && $SETCOLOR_FAILURE
echo "$orig_parted_tab was not found! It is required so that we know the original disk size! Maybe your Clonezilla image is too old ? You can try to create such an file in your source machine by: \"parted -s /dev/$SOURCE_DEV unit s print > $orig_parted_tab\" (Replace $SOURCE_DEV with your device name)"
[ "$BOOTUP" = "color" ] && $SETCOLOR_NORMAL
echo "$msg_program_stop!"
exit 1
fi
# parted output format example:
# Disk /dev/sda: 16777215s
# Sector size (logical/physical): 512B/512B
# Partition Table: msdos
#
# Number Start End Size Type File system Flags
# 1 63s 586844s 586782s primary boot
# 2 586845s 978074s 391230s primary
# 3 978075s 1955204s 977130s primary
# 4 1955205s 16776584s 14821380s extended
# 5 1955268s 2151764s 196497s logical
# 6 2151828s 2542994s 391167s logical
# 7 2543058s 16776584s 14233527s logical
ori_disk_size="$(LC_ALL=C grep -E "^Disk /dev" $orig_parted_tab | awk -F":" '{print $2}' | sed -e "s/s$//g")"
# If nothing in target disk, parted will show like this:
# sudo parted -s /dev/sda unit s print
# Error: Unable to open /dev/sda - unrecognised disk label.
if ! LC_ALL=C parted -s $target_disk unit s print &>/dev/null; then
# Try to create a partition table so that we can read the size via parted -s $dev unit s print
echo "No initial GPT table on disk $target_disk. Create one now by:" | tee --append $OCS_LOGFILE
echo "parted -s $target_disk mklabel gpt" | tee --append $OCS_LOGFILE
LC_ALL=C parted -s $target_disk mklabel gpt | tee --append $OCS_LOGFILE
fi
tgt_disk_size="$(LC_ALL=C parted -s $target_disk unit s print | grep -E "^Disk /dev" | awk -F":" '{print $2}' | sed -e "s/s$//g")"
#
ratio=$(echo "scale=10; $tgt_disk_size / $ori_disk_size" | bc -l) || exit 1
echo "The ratio for target disk size to original disk size is $ratio."
if [ "$chk_tgt_disk_size_bf_mk_pt" = "yes" ]; then
if [ "$(LC_ALL=C echo "$ratio < 1" | bc -l)" = "1" ]; then
[ "$BOOTUP" = "color" ] && $SETCOLOR_FAILURE
echo "The target disk (size=$tgt_disk_size sectors) is smaller than the source disk (size=$ori_disk_size sectors)!"
echo "Clonezilla won't be able to restore a partition image to smaller partition!"
[ "$BOOTUP" = "color" ] && $SETCOLOR_NORMAL
echo "Program terminated!"
exit 1
fi
fi
new_sf="$(mktemp /tmp/new_sf.XXXXXX)" || exit 1
new_sf_tmp="$(mktemp /tmp/new_sf_tmp.XXXXXX)" || exit 1
# Increase. Example for sfdisk format:
# =====================================
# label: gpt
# label-id: ADC40CC4-77D7-4858-8F0E-8BC2447052AE
# device: /dev/sda
# unit: sectors
# first-lba: 34
# last-lba: 125829086
#
# /dev/sda1 : start= 2048, size= 409600, type=C12A7328-F81F-11D2-BA4B-00A0C93EC93B, uuid=E8D785ED-A65F-4EA1-ADF0-CC61E75677EB
# /dev/sda2 : start= 411648, size= 1024000, type=EBD0A0A2-B9E5-4433-87C0-68B6B72699C7, uuid=AB72A495-4141-4500-AE48-B7AC492160B4
# /dev/sda3 : start= 1435648, size= 40505344, type=E6D6D379-F507-44C2-A23C-238F2A3DF928, uuid=C7A87C41-72FD-41DB-9B10-DF3568A4089D
# =====================================
# label: gpt
# label-id: D4165706-2FAD-491E-82CA-7866982D196B
# device: /dev/sda
# unit: sectors
# first-lba: 34
# last-lba: 125829086
#
# /dev/sda1 : start= 2048, size= 614400, type=DE94BBA4-06D1-4D40-A16A-BFD50179D6AC, uuid=0802BFF4-2549-4CD4-A1CA-93D54AEE26F0, name="Basic data partition", attrs="RequiredPartiton GUID:63"
# /dev/sda2 : start= 616448, size= 202752, type=C12A7328-F81F-11D2-BA4B-00A0C93EC93B, uuid=C9C164D5-5E0F-476D-B2EA-A4D818A266CF, name="EFI system partition", attrs="GUID:63"
# /dev/sda3 : start= 819200, size= 262144, type=E3C9E316-0B5C-4DB8-817D-F92DF00215AE, uuid=15D5A869-5C6E-4F2C-B234-7D6B91B58555, name="Microsoft reserved partition", attrs="GUID:63"
# /dev/sda4 : start= 1081344, size= 124745728, type=EBD0A0A2-B9E5-4433-87C0-68B6B72699C7, uuid=E53DEA7E-2639-4AE9-9DFD-DDD2406C3EC0, name="Basic data partition"
# =====================================
# We only need those required info
grep -E "^/dev" $orig_sf > $new_sf_tmp
# start=291579750 or size=291563622 is not a good format for us to parse, we need a space between "=" and "number"
# i.e.
# No good:
# /dev/sda1 : start= 63, size=291563622, Id= 7, bootable
# /dev/sda2 : start=291579750, size= 20980890, Id= 7
# /dev/sda3 : start= 0, size= 0, Id= 0
# /dev/sda4 : start= 0, size= 0, Id= 0
#
# Good:
# /dev/sda1 : start= 63, size= 291563622, Id= 7, bootable
# /dev/sda2 : start= 291579750, size= 20980890, Id= 7
# /dev/sda3 : start= 0, size= 0, Id= 0
# /dev/sda4 : start= 0, size= 0, Id= 0
# //NOTE// For partitions number >=10, it looks like:
# label: gpt
# label-id: 56C0DC13-942C-493F-B141-F9903658453B
# device: /dev/sda
# unit: sectors
# first-lba: 34
# last-lba: 125829086
#
# /dev/sda1 : start= 2048, size= 2097152, type=0FC63DAF-8483-4772-8E79-3D69D8477DE4, uuid=4F5FF221-D350-4CE7-BADA-20022DA453CC, name="Linux filesystem"
# /dev/sda2 : start= 2099200, size= 2097152, type=0FC63DAF-8483-4772-8E79-3D69D8477DE4, uuid=975A9722-E2ED-46CC-B0E1-995095A6BB66, name="Linux filesystem"
# /dev/sda3 : start= 4196352, size= 2097152, type=0FC63DAF-8483-4772-8E79-3D69D8477DE4, uuid=A27C9E16-70B1-48D0-9A3F-915AFBA8FCC7, name="Linux filesystem"
# /dev/sda4 : start= 6293504, size= 2097152, type=0FC63DAF-8483-4772-8E79-3D69D8477DE4, uuid=3E134963-5B14-49C1-9F83-9BAF9C5F61C9, name="Linux filesystem"
# /dev/sda5 : start= 8390656, size= 2097152, type=0FC63DAF-8483-4772-8E79-3D69D8477DE4, uuid=FB1FB744-E6DC-48FA-9891-256AD0F3CF7C, name="Linux filesystem"
# /dev/sda6 : start= 10487808, size= 2097152, type=0FC63DAF-8483-4772-8E79-3D69D8477DE4, uuid=BB764A64-35BF-4415-A8D6-84642339FB3F, name="Linux filesystem"
# /dev/sda7 : start= 12584960, size= 2097152, type=0FC63DAF-8483-4772-8E79-3D69D8477DE4, uuid=B0D77252-85AB-4AFB-8866-38C21605DB7B, name="Linux filesystem"
# /dev/sda8 : start= 14682112, size= 2097152, type=0FC63DAF-8483-4772-8E79-3D69D8477DE4, uuid=79E8897A-B821-4C5D-A481-5F8628C57D2E, name="Linux filesystem"
# /dev/sda9 : start= 16779264, size= 2097152, type=0FC63DAF-8483-4772-8E79-3D69D8477DE4, uuid=2CA8A44E-9A2B-475A-BFC8-1E6295847F6A, name="Linux filesystem"
# /dev/sda10 : start= 18876416, size= 2097152, type=0FC63DAF-8483-4772-8E79-3D69D8477DE4, uuid=B454EC36-562F-4844-B8D9-28C5C1C111C9, name="Linux filesystem"
# /dev/sda11 : start= 20973568, size= 104855519, type=0FC63DAF-8483-4772-8E79-3D69D8477DE4, uuid=FA55D210-62EE-4948-A853-FDD4360CDCB5, name="Linux filesystem"
# Therefore we force to put a space no matter there is already space or not
perl -pi -e "s/start=/start= /g" $new_sf_tmp
perl -pi -e "s/size=/size= /g" $new_sf_tmp
# Remove ":" in the temp file, since it's only for parsing, won't be used for sfdisk /dev/... < $new_sf_tmp ...
perl -pi -e "s/://g" $new_sf_tmp
# Get the line number of "last-lba:"
header_line="$(LC_ALL=C grep -E -n "^last-lba:" $orig_sf | awk -F":" '{print $1}')"
if [ -z "$header_line" ]; then
[ "$BOOTUP" = "color" ] && $SETCOLOR_FAILURE
echo "Failed to find the line \"last-lba:\" in $orig_sf!"
[ "$BOOTUP" = "color" ] && $SETCOLOR_NORMAL
echo "$msg_program_stop!"
exit 1
fi
# We do not output the line "last-lba:" in the generated line. Otherwise we have to calculate the last-lba number.
LC_ALL=C head -n "$((header_line -1))" $orig_sf > $new_sf
echo "" >> $new_sf
start_no_keep=""
size_no_keep=""
append_to_next="0"
# Initial gap for the 1st partition. After this, it should be 0.
logical_part_gap="2"
while read dev start start_no size size_no type uuid name attrs; do
pt_no="$(LC_ALL=C get_part_number $dev | sed -r -e "s|^[^[:digit:]]*||g")"
if `is_partition $dev` ; then
[ -z "$start_no_keep" ] && start_no_keep=${start_no/,/} # The 1st one
[ -z "$size_no_keep" ] && size_no_keep=0
if [ "${size_no/,/}" -eq 0 ]; then
start_no=0
size_no=0
else
# If we found the partition is EFI System partition, keep the size.
# EFI System partition: C12A7328-F81F-11D2-BA4B-00A0C93EC93B,
# Ref: https://en.wikipedia.org/wiki/GUID_Partition_Table
expand="true"
if [ -n "$(echo $type | grep -iE "type=C12A7328-F81F-11D2-BA4B-00A0C93EC93B")" ]; then
expand="false"
[ "$BOOTUP" = "color" ] && $SETCOLOR_WARNING
echo "\"EFI System partition\" found. Not to expand this partition."
[ "$BOOTUP" = "color" ] && $SETCOLOR_NORMAL
fi
# If we found the partition is MS Windows "system reserved partition", keep the size.
# Microsoft Reserved Partition (MSR): E3C9E316-0B5C-4DB8-817D-F92DF00215AE
# Ref: https://en.wikipedia.org/wiki/GUID_Partition_Table
if [ -n "$(echo $type | grep -iE "type=E3C9E316-0B5C-4DB8-817D-F92DF00215AE")" ]; then
expand="false"
[ "$BOOTUP" = "color" ] && $SETCOLOR_WARNING
echo "\"Microsoft Reserved Partition (MSR)\" found. Not to expand this partition."
[ "$BOOTUP" = "color" ] && $SETCOLOR_NORMAL
fi
# If we found the partition is MS Windows "system reserved partition", keep the size.
# Windows Recovery Environment DE94BBA4-06D1-4D40-A16A-BFD50179D6AC
# Ref: https://en.wikipedia.org/wiki/GUID_Partition_Table
if [ -n "$(echo $type | grep -iE "type=DE94BBA4-06D1-4D40-A16A-BFD50179D6AC")" ]; then
expand="false"
[ "$BOOTUP" = "color" ] && $SETCOLOR_WARNING
echo "\"Windows Recovery Environment\" found. Not to expand this partition."
[ "$BOOTUP" = "color" ] && $SETCOLOR_NORMAL
fi
# For newer Clonezilla (>=2.4.36-1drbl), a tag file (sda1.info) might exist
if [ -e "$orig_parted_dir/$(to_filename ${dev}).info" ]; then
. $orig_parted_dir/$(to_filename ${dev}).info
if [ "$PARTITION_TYPE" = "Win_boot_reserved" ]; then
expand="false"
fi
fi
# For Linux Swap partition
if [ -n "$(echo $type | grep -iE "type=0657FD6D-A4AB-43C4-84E5-0933C84B4F4F")" ]; then
[ "$BOOTUP" = "color" ] && $SETCOLOR_WARNING
echo "Linux swap partition \"$type\" found. Not to expand this partition."
[ "$BOOTUP" = "color" ] && $SETCOLOR_NORMAL
expand="false"
fi
if [ "$expand" = "true" ]; then
start_no="$(LC_ALL=C printf "%.0f" "$(echo "($start_no_keep + $size_no_keep)" | bc -l)")"
size_no="$(LC_ALL=C printf "%.0f" "$(echo "${size_no/,/}*$ratio + $append_to_next" | bc -l)")"
# Reset the space append_to_next.
append_to_next="0"
else
start_no="$(LC_ALL=C printf "%.0f" "$(echo "($start_no_keep + $size_no_keep)" | bc -l)")"
size_no="${size_no/,/}"
# Since we do not expand this "system reserved partition" or "swap partition",
# we append the space to the next partition.
# It's possible that there are more than one partition which will be
# kept as original size, e.g.
# Number Start End Size File system Name Flags
# 1 1049kB 106MB 105MB EFI system partition boot, esp
# 2 106MB 240MB 134MB Microsoft reserved partition msftres
# 3 240MB 128GB 128GB Basic data partition msftdata
# In the above, partition 1 and 2 will not be expanded. Therefore we
# might need to add the previous $append_to_next
append_to_next="$(LC_ALL=C printf "%.0f" "$(echo "$append_to_next + ${size_no}*$ratio - ${size_no}" | bc -l)")"
fi
fi
if [ "$size_no" -lt 0 ]; then
# append_to_next might be nagtive when "-icds" is enabled and ration is < 1, therefore
# we have to check the size_no.
[ "$BOOTUP" = "color" ] && $SETCOLOR_FAILURE
echo "The calculated size of $dev is < 0!"
echo "Unable to create a smaller partitions layout."
[ "$BOOTUP" = "color" ] && $SETCOLOR_NORMAL
echo "$msg_program_stop!"
exit 1
fi
echo $dev : $start $start_no, $size $size_no, $type $uuid $name $attrs >> $new_sf
[ "$start_no" -ne 0 ] && start_no_keep="${start_no/,/}"
[ "$size_no" -ne 0 ] && size_no_keep="${size_no/,/}"
fi
done < $new_sf_tmp
echo "The partition table to write in $target_disk:"
echo "*****************************************"
cat $new_sf
echo "*****************************************"
# EXTRA_SFDISK_OPT is environment variable
# If not --force, we force to append it since by default if sfdisk find some CHS it does not like, it won't do it without --force
if [ -z "$(echo $EXTRA_SFDISK_OPT | grep -Ew -- "--force")" ]; then
EXTRA_SFDISK_OPT="$EXTRA_SFDISK_OPT --force"
fi
echo "Running: sfdisk $EXTRA_SFDISK_OPT $target_disk < $new_sf"
LC_ALL=C sfdisk $EXTRA_SFDISK_OPT $target_disk < $new_sf
echo "Partition table was created by: sfdisk $EXTRA_SFDISK_OPT $target_disk < $new_sf"
# Use parted to fill the last partitition to the end of disk because
# there might be some resudial in the calculation.
# Thanks to Conan for this suggestion.
# Ref: https://sourceforge.net/p/clonezilla/discussion/
# Clonezilla_live/thread/c5e92d87/?limit=25#080c
if [ -n "$(LC_ALL=C parted -h | grep -w resizepart)" ]; then
# Find the last partition number.
# Firstly we get the line number for "Number Start End Size
# File system Name Flags"
line_after="$(LC_ALL=C parted -s $target_disk print | \
grep -n -Ew "^Number[[:space:]]+Start[[:space:]]+End.*" | \
awk -F":" '{print $1}')"
line_after="$((line_after +1))"
last_part_no="$(LC_ALL=C parted -s $target_disk print | \
tail -n +${line_after} | awk -F" " '{print $1}' | sort -V | tail -n 1)"
if [ -n "$last_part_no" ]; then
echo "Trying to extend the last partition to the end of disk by:"
echo "parted -s $target_disk resizepart $last_part_no 100%"
LC_ALL=C parted -s $target_disk resizepart $last_part_no 100%
fi
fi
[ -e "$new_sf" ] && rm -f $new_sf
[ -e "$new_sf_tmp" ] && rm -f $new_sf_tmp
|
