core-agent-linux/init/setup-rwdev.sh
Marek Marczykowski-Górecki 8bb152f76e
init: fix issues found by shellcheck in init scripts
Most of them are missing quotes, `` -> $(), and -o/-a usage in
conditions. Also add few directives disabling checks where were too
verbose.
2017-09-30 04:49:21 +02:00

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#!/bin/sh
set -e
dev=/dev/xvdb
if [ -e "$dev" ] ; then
# The private /dev/xvdb device is present.
# check if private.img (xvdb) is empty - all zeros
private_size_512=$(blockdev --getsz "$dev")
if dd if=/dev/zero bs=512 count="$private_size_512" 2>/dev/null | diff "$dev" - >/dev/null; then
# the device is empty, create filesystem
echo "Virgin boot of the VM: creating private.img filesystem on $dev" >&2
if ! content=$(mkfs.ext4 -m 0 -q "$dev" 2>&1) ; then
echo "Virgin boot of the VM: creation of private.img on $dev failed:" >&2
echo "$content" >&2
echo "Virgin boot of the VM: aborting" >&2
exit 1
fi
if ! content=$(tune2fs -m 0 "$dev" 2>&1) ; then
echo "Virgin boot of the VM: marking free space on $dev as usable failed:" >&2
echo "$content" >&2
echo "Virgin boot of the VM: aborting" >&2
exit 1
fi
fi
echo "Private device management: checking $dev" >&2
if content=$(fsck.ext4 -p "$dev" 2>&1) ; then
echo "Private device management: fsck.ext4 of $dev succeeded" >&2
else
echo "Private device management: fsck.ext4 $dev failed:" >&2
echo "$content" >&2
fi
fi