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image_builder: add echo_bold to autosizer

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This commit is contained in:
Artem Smirnov
2018-08-20 19:07:39 +03:00
parent 2367709b2e
commit f2ff6eaa4a
1 changed files with 40 additions and 18 deletions
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58
image_builder/autosizer.sh
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@@ -2,6 +2,28 @@
set -e
echo_bold() {
# STATIC FUNCTION
# TEMPLATE: echo_bold <TEXT> <TYPE>
# TYPE: SUCCESS, ERROR, INFO
# More info there https://www.shellhacks.com/ru/bash-colors/
TEXT="$1"
TEXT="\e[1m$TEXT\e[0m" # BOLD
case "$2" in
SUCCESS)
TEXT="\e[32m${TEXT}\e[0m";; # GREEN
ERROR)
TEXT="\e[31m${TEXT}\e[0m";; # RED
*)
TEXT="\e[34m${TEXT}\e[0m";; # BLUE
esac
echo -e ${TEXT}
}
if [ $(whoami) != "root" ]; then
echo \
&& echo "********************************************************************" \
@@ -13,44 +35,44 @@ fi
if [[ -z $1 ]]; then
echo "================================================================================"
echo -e "\033[0;31m\033[1mAutomatic Image file resizer\033[0m\033[0m"
echo -e "\033[0;31m\033[1mDescription:\033[0m\033[0m This script shrink your image to 10MiB free space"
echo_bold "Automatic Image file resizer"
echo_bold "Description: This script shrink your image to 10MiB free space"
echo -e "if you didn't set FREE_SPACE in MiB (see usage below)."
echo -e "\033[0;31m\033[1mAuthors:\033[0m\033[0m Artem Smirnov @urpylka, SirLagz"
echo_bold "Authors: Artem Smirnov @urpylka, SirLagz"
echo
echo -e "\033[0;31m\033[1mUsage:\033[0m\033[0m ./autosizer.sh PATH_TO_IMAGE FREE_SPACE"
echo_bold "Usage: ./autosizer.sh PATH_TO_IMAGE FREE_SPACE"
echo
echo -e "\033[0;31m\033[1mRequirements:\033[0m\033[0m parted, losetup, e2fsck, resize2fs, bc, truncate"
echo_bold "Requirements: parted, losetup, e2fsck, resize2fs, bc, truncate"
echo "================================================================================"
exit 0
fi
echo "================================================================================"
strImgFile=$1
echo -e "\033[0;31m\033[1mPath to image: $strImgFile\033[0m\033[0m"
echo_bold "Path to image: $strImgFile"
echo "================================================================================"
if [[ ! -e $strImgFile ]]; then
echo -e "\033[0;31m\033[1mError: File doesn't exist\033[0m\033[0m"
echo_bold "Error: File doesn't exist"
echo
exit 1
fi
echo "================================================================================"
partinfo=`parted -m $strImgFile unit B print`
echo -e "\033[0;31m\033[1mPartition information:\033[0m\033[0m\n$partinfo"
echo_bold "Partition information:\n$partinfo"
echo "================================================================================"
partnumber=`echo "$partinfo" | grep ext4 | awk -F: '{ print $1 }'`
echo -e "\033[0;31m\033[1mPartition number: $partnumber\033[0m\033[0m"
echo_bold "Partition number: $partnumber"
echo "================================================================================"
partstart=`echo "$partinfo" | grep ext4 | awk -F: '{ print substr($2,0,length($2)-1) }'`
echo -e "\033[0;31m\033[1mPartition start: $partstart (bytes)\033[0m\033[0m"
echo_bold "Partition start: $partstart (bytes)"
echo "================================================================================"
loopback=`losetup -f --show -o $partstart $strImgFile`
echo -e "\033[0;31m\033[1mLoopback device: $loopback\033[0m\033[0m"
echo_bold "Loopback device: $loopback"
echo "================================================================================"
set +e
@@ -60,7 +82,7 @@ set -e
echo "================================================================================"
minsize=`resize2fs -P $loopback | awk -F': ' '{ print $2 }'`
#minsize=`resize2fs -P $loopback 2> /dev/null | awk -F': ' '{ print $2 }'`
echo -e "\033[0;31m\033[1mMinsize: $minsize (4KiB)\033[0m\033[0m"
echo_bold "Minsize: $minsize (4KiB)"
echo "================================================================================"
# Default add 10MiB free space to image, if $2 doesn't set
@@ -69,7 +91,7 @@ FREE_SPACE=${2:-10}
FREE_SPACE=$(($FREE_SPACE*1024*1024/4096))
minsize=`echo "$minsize+$FREE_SPACE" | bc`
echo -e "\033[0;31m\033[1mMinsize + $FREE_SPACE (4KiB): $minsize (4KiB)\033[0m\033[0m"
echo_bold "Minsize + $FREE_SPACE (4KiB): $minsize (4KiB)"
echo "================================================================================"
resize2fs -p $loopback $minsize
@@ -78,12 +100,12 @@ losetup -d $loopback
echo "================================================================================"
partnewsize=`echo "$minsize * 4096" | bc`
echo -e "\033[0;31m\033[1mNew size of part: $minsize (4KiB) = $partnewsize (bytes)\033[0m\033[0m"
echo_bold "New size of part: $minsize (4KiB) = $partnewsize (bytes)"
echo "================================================================================"
newpartend=`echo "$partstart + $partnewsize" | bc`
echo -e "\033[0;31m\033[1mNew end of part (Part start + part new size):\033[0m\033[0m"
echo -e "\033[0;31m\033[1m$partstart (bytes) + $partnewsize (bytes) = $newpartend (bytes)\033[0m\033[0m"
echo_bold "New end of part (Part start + part new size):"
echo_bold "$partstart (bytes) + $partnewsize (bytes) = $newpartend (bytes)"
echo "================================================================================"
part1=`parted $strImgFile rm 2`
@@ -92,12 +114,12 @@ part2=`parted $strImgFile unit B mkpart primary $partstart $newpartend`
echo "================================================================================"
endresult=`parted -m $strImgFile unit B print free | tail -1 | awk -F: '{ print substr($2,0,length($2)-1) }'`
echo -e "\033[0;31m\033[1mSize of result image: $endresult (bytes)\033[0m\033[0m"
echo_bold "Size of result image: $endresult (bytes)"
echo "================================================================================"
truncate -s $endresult $strImgFile
echo "================================================================================"
partinfo=`parted -m $strImgFile unit B print`
echo -e "\033[0;31m\033[1mPartition information:\033[0m\033[0m\n$partinfo"
echo_bold "Partition information:\n$partinfo"
echo "================================================================================"