90801dc1b2
#### Why I did it while sonic upgrade, Image will be extracted to tmpfs for installation so tmpfs size should be larger than image size. Image installation will fail if image size is larger than tmpfs size. we are facing below error while installing debug image with size greater than tmpfs which is 1.5g in marvell armhf platform. sonic-installer install <url> New image will be installed, continue? [y/N]: y Downloading image... ...99%, 1744 MB, 708 KB/s, 0 seconds left... Installing image SONiC-OS-202012.0-dirty-20210311.224845 and setting it as default... Command: bash /tmp/sonic_image tar: installer/fs.zip: Wrote only 7680 of 10240 bytes tar: installer/onie-image-arm64.conf: Cannot write: No space left on device tar: Exiting with failure status due to previous errors Verifying image checksum ... OK. Preparing image archive ... #### How I did it compare downloaded image size with tmpfs size, if size less than image size update the tmpfs size according to image size. #### How to verify it Install an Image with size larger than tmpfs. we verified by installing debug image with size 1.9gb which is larger than tmpfs size 1.5gb.
71 lines
1.9 KiB
Bash
71 lines
1.9 KiB
Bash
#!/bin/sh
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# Copyright (C) 2013 Curt Brune <curt@cumulusnetworks.com>
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#
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# SPDX-License-Identifier: GPL-2.0
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##
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## Shell archive template
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##
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## Strings of the form %%VAR%% are replaced during construction.
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##
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echo -n "Verifying image checksum ..."
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sha1=$(sed -e '1,/^exit_marker$/d' "$0" | sha1sum | awk '{ print $1 }')
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payload_sha1=%%IMAGE_SHA1%%
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if [ "$sha1" != "$payload_sha1" ] ; then
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echo
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echo "ERROR: Unable to verify archive checksum"
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echo "Expected: $payload_sha1"
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echo "Found : $sha1"
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exit 1
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fi
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echo " OK."
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image_size_in_kb=$((($(sed -e '1,/^exit_marker$/d' "$0" | tar --to-stdout -xf - | wc -c) + 1023 ) / 1024))
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# Untar and launch install script in a tmpfs
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cur_wd=$(pwd)
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export cur_wd
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archive_path=$(realpath "$0")
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tmp_dir=$(mktemp -d)
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if [ "$(id -u)" = "0" ] ; then
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mount -t tmpfs tmpfs-installer $tmp_dir || exit 1
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mount_size_in_kb=$(df $tmp_dir | tail -1 | tr -s ' ' | cut -d' ' -f4)
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#checking extra 100KB space in tmp_dir, after image extraction
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padding=102400
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if [ "$mount_size_in_kb" -le "$((image_size_in_kb + padding))" ]; then
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image_size_in_mb=$(((image_size_in_kb + 1023) / 1024))
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#Adding extra 32MB free space for image extraction.
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mount_size_in_mb=$((((image_size_in_mb + 31) / 32) * 32))
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mount -o remount,size="${mount_size_in_mb}M" -t tmpfs tmpfs-installer $tmp_dir || exit 1
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fi
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fi
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cd $tmp_dir
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echo -n "Preparing image archive ..."
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sed -e '1,/^exit_marker$/d' $archive_path | tar xf - || exit 1
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echo " OK."
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cd $cur_wd
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if [ -n "$extract" ] ; then
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# stop here
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echo "Image extracted to: $tmp_dir"
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if [ "$(id -u)" = "0" ] && [ ! -d "$extract" ] ; then
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echo "To un-mount the tmpfs when finished type: umount $tmp_dir"
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fi
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exit 0
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fi
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$tmp_dir/installer/install.sh
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rc="$?"
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# clean up
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if [ "$(id -u)" = "0" ] ; then
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umount $tmp_dir
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fi
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rm -rf $tmp_dir
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exit $rc
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exit_marker
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