2022-11-03 21:37:32 +00:00
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#!/bin/bash
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# Transform a raw image disk to azure vhd
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RAWIMAGE="$1"
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VHDDISK="${2:-disk.vhd}"
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2022-11-03 23:42:09 +00:00
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cp -rf $RAWIMAGE $VHDDISK.work
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2022-11-03 21:37:32 +00:00
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MB=$((1024*1024))
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size=$(qemu-img info -f raw --output json "$RAWIMAGE" | gawk 'match($0, /"virtual-size": ([0-9]+),/, val) {print val[1]}')
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# shellcheck disable=SC2004
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ROUNDED_SIZE=$(((($size+$MB-1)/$MB)*$MB))
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echo "Resizing raw image to $ROUNDED_SIZE"
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2022-11-03 23:42:09 +00:00
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qemu-img resize -f raw "$VHDDISK.work" $ROUNDED_SIZE
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2022-11-03 21:37:32 +00:00
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echo "Converting $RAWIMAGE to $VHDDISK"
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2022-11-03 23:42:09 +00:00
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qemu-img convert -f raw -o subformat=fixed,force_size -O vpc "$VHDDISK.work" "$VHDDISK"
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echo "Done"
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rm -rf "$VHDDISK.work"
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