53 lines
2.1 KiB
Bash
Executable File
53 lines
2.1 KiB
Bash
Executable File
#!/bin/sh
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set -e
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dev=/dev/xvdb
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if [ -e "$dev" ] ; then
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# The private /dev/xvdb device is present.
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# check if private.img (xvdb) is empty - all zeros
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private_size_512=`blockdev --getsz "$dev"`
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if dd if=/dev/zero bs=512 count="$private_size_512" 2>/dev/null | diff "$dev" - >/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 on $dev" >&2
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if ! content=$(mkfs.ext4 -m 0 -q "$dev" 2>&1) ; then
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echo "Virgin boot of the VM: creation of private.img on $dev failed:" >&2
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echo "$content" >&2
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echo "Virgin boot of the VM: aborting" >&2
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exit 1
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fi
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if ! content=$(tune2fs -m 0 "$dev" 2>&1) ; then
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echo "Virgin boot of the VM: marking free space on $dev as usable failed:" >&2
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echo "$content" >&2
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echo "Virgin boot of the VM: aborting" >&2
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exit 1
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fi
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fi
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echo "Private device size management: enlarging $dev" >&2
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if content=$(resize2fs "$dev" 2>&1) ; then
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echo "Private device size management: resize2fs of $dev succeeded" >&2
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else
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echo "Private device size management: resize2fs $dev failed:" >&2
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echo "$content" >&2
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echo "Private device size management: attempting to mark $dev clean" >&2
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if content=$(fsck.ext4 -fp "$dev" 2>&1) ; then
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echo "Private device size management: $dev marked clean, enlarging it again" >&2
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if content=$(resize2fs "$dev" 2>&1) ; then
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echo "Private device size management: resize2fs of $dev succeeded" >&2
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else
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echo "Private device size management: resize2fs of $dev failed even after marking file system clean:" >&2
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echo "$content" >&2
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echo "Private device size management: expect serious trouble ahead" >&2
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fi
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else
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echo "Private device size management: $dev could not be marked clean:" >&2
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echo "$content" >&2
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echo "Private device size management: expect serious trouble ahead" >&2
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fi
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fi
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fi
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