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iotests: 287: add qcow2 compression type test
The test checks fulfilling qcow2 requirements for the compression type feature and zstd compression type operability. Signed-off-by: Denis Plotnikov <dplotnikov@virtuozzo.com> Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> Tested-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> Reviewed-by: Eric Blake <eblake@redhat.com> Message-Id: <20200507082521.29210-5-dplotnikov@virtuozzo.com> Signed-off-by: Max Reitz <mreitz@redhat.com>
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#!/usr/bin/env bash | ||
# | ||
# Test case for an image using zstd compression | ||
# | ||
# Copyright (c) 2020 Virtuozzo International GmbH | ||
# | ||
# 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/>. | ||
# | ||
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# creator | ||
owner=dplotnikov@virtuozzo.com | ||
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seq="$(basename $0)" | ||
echo "QA output created by $seq" | ||
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status=1 # failure is the default! | ||
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# standard environment | ||
. ./common.rc | ||
. ./common.filter | ||
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# This tests qocw2-specific low-level functionality | ||
_supported_fmt qcow2 | ||
_supported_proto file | ||
_supported_os Linux | ||
_unsupported_imgopts 'compat=0.10' data_file | ||
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COMPR_IMG="$TEST_IMG.compressed" | ||
RAND_FILE="$TEST_DIR/rand_data" | ||
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_cleanup() | ||
{ | ||
_cleanup_test_img | ||
_rm_test_img "$COMPR_IMG" | ||
rm -f "$RAND_FILE" | ||
} | ||
trap "_cleanup; exit \$status" 0 1 2 3 15 | ||
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# for all the cases | ||
CLUSTER_SIZE=65536 | ||
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# Check if we can run this test. | ||
if IMGOPTS='compression_type=zstd' _make_test_img 64M | | ||
grep "Invalid parameter 'zstd'"; then | ||
_notrun "ZSTD is disabled" | ||
fi | ||
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echo | ||
echo "=== Testing compression type incompatible bit setting for zlib ===" | ||
echo | ||
_make_test_img -o compression_type=zlib 64M | ||
$PYTHON qcow2.py "$TEST_IMG" dump-header | grep incompatible_features | ||
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echo | ||
echo "=== Testing compression type incompatible bit setting for zstd ===" | ||
echo | ||
_make_test_img -o compression_type=zstd 64M | ||
$PYTHON qcow2.py "$TEST_IMG" dump-header | grep incompatible_features | ||
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echo | ||
echo "=== Testing zlib with incompatible bit set ===" | ||
echo | ||
_make_test_img -o compression_type=zlib 64M | ||
$PYTHON qcow2.py "$TEST_IMG" set-feature-bit incompatible 3 | ||
# to make sure the bit was actually set | ||
$PYTHON qcow2.py "$TEST_IMG" dump-header | grep incompatible_features | ||
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if $QEMU_IMG info "$TEST_IMG" >/dev/null 2>&1 ; then | ||
echo "Error: The image opened successfully. The image must not be opened." | ||
fi | ||
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echo | ||
echo "=== Testing zstd with incompatible bit unset ===" | ||
echo | ||
_make_test_img -o compression_type=zstd 64M | ||
$PYTHON qcow2.py "$TEST_IMG" set-header incompatible_features 0 | ||
# to make sure the bit was actually unset | ||
$PYTHON qcow2.py "$TEST_IMG" dump-header | grep incompatible_features | ||
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if $QEMU_IMG info "$TEST_IMG" >/dev/null 2>&1 ; then | ||
echo "Error: The image opened successfully. The image must not be opened." | ||
fi | ||
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echo | ||
echo "=== Testing compression type values ===" | ||
echo | ||
# zlib=0 | ||
_make_test_img -o compression_type=zlib 64M | ||
peek_file_be "$TEST_IMG" 104 1 | ||
echo | ||
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# zstd=1 | ||
_make_test_img -o compression_type=zstd 64M | ||
peek_file_be "$TEST_IMG" 104 1 | ||
echo | ||
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echo | ||
echo "=== Testing simple reading and writing with zstd ===" | ||
echo | ||
_make_test_img -o compression_type=zstd 64M | ||
$QEMU_IO -c "write -c -P 0xAC 64K 64K " "$TEST_IMG" | _filter_qemu_io | ||
$QEMU_IO -c "read -P 0xAC 64K 64K " "$TEST_IMG" | _filter_qemu_io | ||
# read on the cluster boundaries | ||
$QEMU_IO -c "read -v 131070 8 " "$TEST_IMG" | _filter_qemu_io | ||
$QEMU_IO -c "read -v 65534 8" "$TEST_IMG" | _filter_qemu_io | ||
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echo | ||
echo "=== Testing adjacent clusters reading and writing with zstd ===" | ||
echo | ||
_make_test_img -o compression_type=zstd 64M | ||
$QEMU_IO -c "write -c -P 0xAB 0 64K " "$TEST_IMG" | _filter_qemu_io | ||
$QEMU_IO -c "write -c -P 0xAC 64K 64K " "$TEST_IMG" | _filter_qemu_io | ||
$QEMU_IO -c "write -c -P 0xAD 128K 64K " "$TEST_IMG" | _filter_qemu_io | ||
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$QEMU_IO -c "read -P 0xAB 0 64k " "$TEST_IMG" | _filter_qemu_io | ||
$QEMU_IO -c "read -P 0xAC 64K 64k " "$TEST_IMG" | _filter_qemu_io | ||
$QEMU_IO -c "read -P 0xAD 128K 64k " "$TEST_IMG" | _filter_qemu_io | ||
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echo | ||
echo "=== Testing incompressible cluster processing with zstd ===" | ||
echo | ||
# create a 2M image and fill it with 1M likely incompressible data | ||
# and 1M compressible data | ||
dd if=/dev/urandom of="$RAND_FILE" bs=1M count=1 seek=1 | ||
QEMU_IO_OPTIONS="$QEMU_IO_OPTIONS_NO_FMT" \ | ||
$QEMU_IO -f raw -c "write -P 0xFA 0 1M" "$RAND_FILE" | _filter_qemu_io | ||
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$QEMU_IMG convert -f raw -O $IMGFMT -c \ | ||
-o "$(_optstr_add "$IMGOPTS" "compression_type=zlib")" "$RAND_FILE" \ | ||
"$TEST_IMG" | _filter_qemu_io | ||
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$QEMU_IMG convert -O $IMGFMT -c \ | ||
-o "$(_optstr_add "$IMGOPTS" "compression_type=zstd")" "$TEST_IMG" \ | ||
"$COMPR_IMG" | _filter_qemu_io | ||
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$QEMU_IMG compare "$TEST_IMG" "$COMPR_IMG" | ||
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# success, all done | ||
echo "*** done" | ||
rm -f $seq.full | ||
status=0 |
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QA output created by 287 | ||
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=== Testing compression type incompatible bit setting for zlib === | ||
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Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864 | ||
incompatible_features [] | ||
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=== Testing compression type incompatible bit setting for zstd === | ||
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Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864 | ||
incompatible_features [3] | ||
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=== Testing zlib with incompatible bit set === | ||
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Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864 | ||
incompatible_features [3] | ||
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=== Testing zstd with incompatible bit unset === | ||
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Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864 | ||
incompatible_features [] | ||
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=== Testing compression type values === | ||
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Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864 | ||
0 | ||
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864 | ||
1 | ||
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=== Testing simple reading and writing with zstd === | ||
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Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864 | ||
wrote 65536/65536 bytes at offset 65536 | ||
64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) | ||
read 65536/65536 bytes at offset 65536 | ||
64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) | ||
0001fffe: ac ac 00 00 00 00 00 00 ........ | ||
read 8/8 bytes at offset 131070 | ||
8 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) | ||
0000fffe: 00 00 ac ac ac ac ac ac ........ | ||
read 8/8 bytes at offset 65534 | ||
8 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) | ||
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=== Testing adjacent clusters reading and writing with zstd === | ||
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Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864 | ||
wrote 65536/65536 bytes at offset 0 | ||
64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) | ||
wrote 65536/65536 bytes at offset 65536 | ||
64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) | ||
wrote 65536/65536 bytes at offset 131072 | ||
64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) | ||
read 65536/65536 bytes at offset 0 | ||
64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) | ||
read 65536/65536 bytes at offset 65536 | ||
64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) | ||
read 65536/65536 bytes at offset 131072 | ||
64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) | ||
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=== Testing incompressible cluster processing with zstd === | ||
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1+0 records in | ||
1+0 records out | ||
wrote 1048576/1048576 bytes at offset 0 | ||
1 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) | ||
Images are identical. | ||
*** done |
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283 auto quick | ||
284 rw | ||
286 rw quick | ||
287 auto quick | ||
288 quick | ||
289 rw quick | ||
290 rw auto quick | ||
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