#! /bin/bash
# SPDX-License-Identifier: GPL-2.0-or-later
# Copyright (c) 2021 Oracle.  All Rights Reserved.
#
# FS QA Test No. 156
#
# Functional testing for xfs_admin to make sure that it handles option parsing
# correctly for functionality that's relevant to V5 filesystems.  It doesn't
# test the options that apply only to V4 filesystems because that disk format
# is deprecated.

seq=`basename $0`
seqres=$RESULT_DIR/$seq
echo "QA output created by $seq"

here=`pwd`
tmp=/tmp/$$
status=1    # failure is the default!
trap "_cleanup; exit \$status" 0 1 2 3 15

_cleanup()
{
	cd /
	rm -f $tmp.*
}

# get standard environment, filters and checks
. ./common/rc
. ./common/filter

# real QA test starts here
_supported_fs xfs
_require_scratch
_require_command "$XFS_ADMIN_PROG" "xfs_admin"

rm -f $seqres.full

note() {
	echo "$@" | tee -a $seqres.full
}

note "S0: Initialize filesystem"
_scratch_mkfs -L origlabel -m uuid=babababa-baba-baba-baba-babababababa >> $seqres.full
_scratch_xfs_db -c label -c uuid
_scratch_xfs_repair -n &>> $seqres.full || echo "Check failed?"

note "S1: Set a filesystem label"
_scratch_xfs_admin -L newlabel >> $seqres.full
_scratch_xfs_db -c label
_scratch_xfs_repair -n &>> $seqres.full || echo "Check failed?"

note "S2: Clear filesystem label"
_scratch_xfs_admin -L -- >> $seqres.full
_scratch_xfs_db -c label
_scratch_xfs_repair -n &>> $seqres.full || echo "Check failed?"

note "S3: Try to set oversized label"
_scratch_xfs_admin -L thisismuchtoolongforxfstohandle >> $seqres.full
_scratch_xfs_db -c label
_scratch_xfs_repair -n &>> $seqres.full || echo "Check failed?"

note "S4: Set filesystem UUID"
_scratch_xfs_admin -U deaddead-dead-dead-dead-deaddeaddead >> $seqres.full
_scratch_xfs_db -c uuid
_scratch_xfs_repair -n &>> $seqres.full || echo "Check failed?"

note "S5: Zero out filesystem UUID"
_scratch_xfs_admin -U nil >> $seqres.full
_scratch_xfs_db -c uuid
_scratch_xfs_repair -n &>> $seqres.full || echo "Check failed?"

note "S6: Randomize filesystem UUID"
old_uuid="$(_scratch_xfs_db -c uuid)"
_scratch_xfs_admin -U generate >> $seqres.full
new_uuid="$(_scratch_xfs_db -c uuid)"
if [ "$new_uuid" = "$old_uuid" ]; then
	echo "UUID randomization failed? $old_uuid == $new_uuid"
fi
_scratch_xfs_repair -n &>> $seqres.full || echo "Check failed?"

note "S7: Restore original filesystem UUID"
if _check_scratch_xfs_features V5 >/dev/null; then
	# Only V5 supports the metauuid feature that enables us to restore the
	# original UUID after a change.
	_scratch_xfs_admin -U restore >> $seqres.full
	_scratch_xfs_db -c uuid
else
	echo "UUID = babababa-baba-baba-baba-babababababa"
fi

# success, all done
status=0
exit