26 lines
798 B
Bash
26 lines
798 B
Bash
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#!/bin/sh
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set -e
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if [ -e /dev/xvdb ] ; then
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# The private /dev/xvdb device is present.
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# check if private.img (xvdb) is empty - all zeros
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private_size_512=`blockdev --getsz /dev/xvdb`
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if dd if=/dev/zero bs=512 count=$private_size_512 2>/dev/null | diff /dev/xvdb - >/dev/null; then
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# the device is empty, create filesystem
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echo "Virgin boot of the VM: creating private.img filesystem" >&2
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mkfs.ext4 -m 0 -q /dev/xvdb || exit 1
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fi
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tune2fs -m 0 /dev/xvdb
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echo "Virgin boot of the VM: marking private.img as clean" >&2
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fsck.ext4 -fp /dev/xvdb
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echo "Virgin boot of the VM: enlarging private.img" >&2
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if ! content=$(resize2fs /dev/xvdb 2>&1) ; then
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echo "resize2fs /dev/xvdb failed:" >&2
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echo "$content" >&2
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fi
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fi
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