#!/bin/bash
#
# Test case for vmdk
#
# Copyright (C) 2013 Red Hat, Inc.
#
# 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; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will 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, see <http://www.gnu.org/licenses/>.
#

# creator
owner=famz@redhat.com

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

here=`pwd`
status=1	# failure is the default!

_cleanup()
{
    _cleanup_test_img
    rm -f "$TEST_IMG.qcow2"
}
trap "_cleanup; exit \$status" 0 1 2 3 15

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

# This tests vmdk-specific low-level functionality
_supported_fmt vmdk
_supported_proto file
_supported_os Linux
_unsupported_imgopts "subformat=monolithicFlat" \
                     "subformat=twoGbMaxExtentFlat" \
                     "subformat=twoGbMaxExtentSparse"

capacity_offset=16
granularity_offset=20
grain_table_size_offset=44

echo
echo "=== Testing invalid granularity ==="
_make_test_img 64M
poke_file "$TEST_IMG" "$granularity_offset" "\xff\xff\xff\xff\xff\xff\xff\xff"
{ $QEMU_IO -c "read 0 512" "$TEST_IMG"; } 2>&1 | _filter_qemu_io | _filter_testdir

echo
echo "=== Testing too big L2 table size ==="
_make_test_img 64M
poke_file "$TEST_IMG" "$grain_table_size_offset" "\xff\xff\xff\xff"
{ $QEMU_IO -c "read 0 512" "$TEST_IMG"; } 2>&1 | _filter_qemu_io | _filter_testdir

echo
echo "=== Testing too big L1 table size ==="
_make_test_img 64M
poke_file "$TEST_IMG" "$capacity_offset" "\xff\xff\xff\xff"
poke_file "$TEST_IMG" "$grain_table_size_offset" "\x01\x00\x00\x00"
{ $QEMU_IO -c "read 0 512" "$TEST_IMG"; } 2>&1 | _filter_qemu_io | _filter_testdir

echo
echo "=== Testing monolithicFlat creation and opening ==="
IMGOPTS="subformat=monolithicFlat" _make_test_img 2G
_img_info
_cleanup_test_img

echo
echo "=== Testing monolithicFlat with zeroed_grain ==="
IMGOPTS="subformat=monolithicFlat,zeroed_grain=on" _make_test_img 2G
_cleanup_test_img

echo
echo "=== Testing big twoGbMaxExtentFlat ==="
IMGOPTS="subformat=twoGbMaxExtentFlat" _make_test_img 1000G
$QEMU_IMG info $TEST_IMG | _filter_testdir | sed -e 's/cid: [0-9]*/cid: XXXXXXXX/'
_cleanup_test_img

echo
echo "=== Testing malformed VMFS extent description line ==="
cat >"$TEST_IMG" <<EOF
# Disk DescriptorFile
version=1
CID=58ab4847
parentCID=ffffffff
createType="vmfs"

# Extent description
RW 12582912 VMFS "dummy.vmdk" 1
EOF
_img_info

echo
echo "=== Testing truncated sparse ==="
IMGOPTS="subformat=monolithicSparse" _make_test_img 100G
truncate -s 10M $TEST_IMG
_img_info

echo
echo "=== Converting to streamOptimized from image with small cluster size==="
TEST_IMG="$TEST_IMG.qcow2" IMGFMT=qcow2 IMGOPTS="cluster_size=4096" _make_test_img 1G
$QEMU_IO -f qcow2 -c "write -P 0xa 0 512" "$TEST_IMG.qcow2" | _filter_qemu_io
$QEMU_IO -f qcow2 -c "write -P 0xb 10240 512" "$TEST_IMG.qcow2" | _filter_qemu_io
$QEMU_IMG convert -f qcow2 -O vmdk -o subformat=streamOptimized "$TEST_IMG.qcow2" "$TEST_IMG" 2>&1

echo
echo "=== Testing monolithicFlat with internally generated JSON file name ==="
IMGOPTS="subformat=monolithicFlat" _make_test_img 64M
$QEMU_IO -c "open -o driver=$IMGFMT,file.driver=blkdebug,file.image.filename=$TEST_IMG,file.inject-error.0.event=read_aio" 2>&1 \
    | _filter_testdir | _filter_imgfmt
_cleanup_test_img

echo
echo "=== Testing version 3 ==="
_use_sample_img iotest-version3.vmdk.bz2
_img_info
for i in {0..99}; do
    $QEMU_IO -r -c "read -P $(( i % 10 + 0x30 )) $(( i * 64 * 1024 * 10 + i * 512 )) 512" $TEST_IMG \
        | _filter_qemu_io
done
_cleanup_test_img

echo
echo "=== Testing 4TB monolithicFlat creation and IO ==="
IMGOPTS="subformat=monolithicFlat" _make_test_img 4T
_img_info
$QEMU_IO -c "write -P 0xa 900G 512" "$TEST_IMG" | _filter_qemu_io
$QEMU_IO -c "read -v 900G 1024" "$TEST_IMG" | _filter_qemu_io
_cleanup_test_img

echo
echo "=== Testing qemu-img map on extents ==="
for fmt in monolithicSparse twoGbMaxExtentSparse; do
    IMGOPTS="subformat=$fmt" _make_test_img 31G
    $QEMU_IO -c "write 65024 1k" "$TEST_IMG" | _filter_qemu_io
    $QEMU_IO -c "write 2147483136 1k" "$TEST_IMG" | _filter_qemu_io
    $QEMU_IO -c "write 5G 1k" "$TEST_IMG" | _filter_qemu_io
    $QEMU_IMG map "$TEST_IMG" | _filter_testdir
    _cleanup_test_img
done

echo
echo "=== Testing afl image with a very large capacity ==="
_use_sample_img afl9.vmdk.bz2
_img_info | grep -q 'Cannot allocate memory' && _notrun "Insufficent memory, skipped test"
_img_info
_cleanup_test_img

# success, all done
echo "*** done"
rm -f $seq.full
status=0