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Adding mount size #48

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Adding mount size #48

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4743499
Adding mount size
lkunjumon Apr 7, 2021
707747d
Updating mount size
lkunjumon Apr 27, 2021
8438c34
Align mount_size to next power of 2
lkunjumon Apr 28, 2021
d4f43e9
Updating mount_size in Gb
lkunjumon Apr 28, 2021
d9de9b3
updating mount size
lkunjumon Apr 28, 2021
98312e7
update command to get actual size of compressed image.
lkunjumon May 17, 2021
06c2388
updating image size check
lkunjumon May 18, 2021
da11766
Add paddig to image size
lkunjumon May 19, 2021
538f077
Added comments for padding
lkunjumon May 19, 2021
884b169
Updated padding
lkunjumon May 19, 2021
3eca178
Updating coment for padding
lkunjumon May 19, 2021
1d62e3f
update command
lkunjumon May 19, 2021
d36f8aa
update command
lkunjumon May 19, 2021
4f36d57
Updating mount size
lkunjumon Jun 15, 2021
02227f0
update mountsize in MB and added 32MB extra free space for image extr…
lkunjumon Jun 16, 2021
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10 changes: 10 additions & 0 deletions installer/sharch_body.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -24,6 +24,7 @@ if [ "$sha1" != "$payload_sha1" ] ; then
fi

echo " OK."
image_size_in_kb=$((($(sed -e '1,/^exit_marker$/d' "$0" | tar --to-stdout -xf - | wc -c) + 1023 ) / 1024))

# Untar and launch install script in a tmpfs
cur_wd=$(pwd)
Expand All @@ -32,6 +33,15 @@ archive_path=$(realpath "$0")
tmp_dir=$(mktemp -d)
if [ "$(id -u)" = "0" ] ; then
mount -t tmpfs tmpfs-installer $tmp_dir || exit 1
mount_size_in_kb=$(df $tmp_dir | tail -1 | tr -s ' ' | cut -d' ' -f4)
#checking extra 100KB space in tmp_dir, after image extraction
padding=102400
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write the size value, also in the comment in KBs or MBs

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not adding, only checking extra space after extraction

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@antony-rheneus pls review the comments

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@antony-rheneus Please review updated commit.

if [ "$mount_size_in_kb" -le "$((image_size_in_kb + padding))" ]; then
image_size_in_mb=$(((image_size_in_kb + 1023) / 1024))
#Adding extra 32MB free space for image extraction.
mount_size_in_mb=$((((image_size_in_mb + 31) / 32) * 32))
mount -o remount,size="${mount_size_in_mb}M" -t tmpfs tmpfs-installer $tmp_dir || exit 1
fi
fi
cd $tmp_dir
echo -n "Preparing image archive ..."
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