#! /bin/bash
# FS QA Test No. btrfs/006
#
# run basic btrfs information commands in various ways
# sanity tests: filesystem show, label, sync, and device stats
#
#-----------------------------------------------------------------------
# Copyright (c) 2013 Red Hat, Inc.  All Rights Reserved.
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License as
# published by the Free Software Foundation.
#
# This program is distributed in the hope that it would be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write the Free Software Foundation,
# Inc.,  51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
#-----------------------------------------------------------------------
#

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.btrfs

# real QA test starts here

# Modify as appropriate.
_supported_fs btrfs
_supported_os Linux
_require_scratch
_require_scratch_dev_pool

rm -f $seqres.full

FIRST_POOL_DEV=`echo $SCRATCH_DEV_POOL | awk '{print $1}'`
LAST_POOL_DEV=`echo $SCRATCH_DEV_POOL | awk '{print $NF}'`
TOTAL_DEVS=`echo $SCRATCH_DEV_POOL | wc -w`
LABEL=TestLabel.$seq

echo "Scratch $SCRATCH_DEV First $FIRST_POOL_DEV last $LAST_POOL_DEV Total $TOTAL_DEVS" > $seqres.full

_scratch_pool_mkfs >> $seqres.full 2>&1 || _fail "mkfs failed"

# These have to be done unmounted...?
echo "== Set filesystem label to $LABEL"
$BTRFS_UTIL_PROG filesystem label $SCRATCH_DEV $LABEL
echo "== Get filesystem label"
$BTRFS_UTIL_PROG filesystem label $SCRATCH_DEV

echo "== Mount."
_scratch_mount

echo "== Show filesystem by label"
$BTRFS_UTIL_PROG filesystem show $LABEL | _filter_btrfs_filesystem_show $TOTAL_DEVS
UUID=`$BTRFS_UTIL_PROG filesystem show $LABEL | grep uuid: | awk '{print $NF}'`

echo "UUID $UUID" >> $seqres.full

echo "== Show filesystem by UUID"
$BTRFS_UTIL_PROG filesystem show $UUID | _filter_btrfs_filesystem_show $TOTAL_DEVS $UUID

echo "== Sync filesystem"
$BTRFS_UTIL_PROG filesystem sync $SCRATCH_MNT > /dev/null

echo "== Show device stats by mountpoint"
$BTRFS_UTIL_PROG device stats $SCRATCH_MNT | _filter_btrfs_device_stats $TOTAL_DEVS
echo "== Show device stats by first/scratch dev"
$BTRFS_UTIL_PROG device stats $SCRATCH_DEV | _filter_btrfs_device_stats
echo "== Show device stats by second dev"
$BTRFS_UTIL_PROG device stats $FIRST_POOL_DEV | sed -e "s,$FIRST_POOL_DEV,FIRST_POOL_DEV,g"
echo "== Show device stats by last dev"
$BTRFS_UTIL_PROG device stats $LAST_POOL_DEV | sed -e "s,$LAST_POOL_DEV,LAST_POOL_DEV,g"

# success, all done
status=0
exit
