| 1 | #!/usr/bin/env bash |
| 2 | # group: auto quick |
| 3 | # |
| 4 | # Test case for an image using zstd compression |
| 5 | # |
| 6 | # Copyright (c) 2020 Virtuozzo International GmbH |
| 7 | # |
| 8 | # This program is free software; you can redistribute it and/or modify |
| 9 | # it under the terms of the GNU General Public License as published by |
| 10 | # the Free Software Foundation; either version 2 of the License, or |
| 11 | # (at your option) any later version. |
| 12 | # |
| 13 | # This program is distributed in the hope that it will be useful, |
| 14 | # but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 16 | # GNU General Public License for more details. |
| 17 | # |
| 18 | # You should have received a copy of the GNU General Public License |
| 19 | # along with this program. If not, see <http://www.gnu.org/licenses/>. |
| 20 | # |
| 21 | |
| 22 | # creator |
| 23 | owner=dplotnikov@virtuozzo.com |
| 24 | |
| 25 | seq="$(basename $0)" |
| 26 | echo "QA output created by $seq" |
| 27 | |
| 28 | status=1 # failure is the default! |
| 29 | |
| 30 | # standard environment |
| 31 | . ./common.rc |
| 32 | . ./common.filter |
| 33 | |
| 34 | # This tests qocw2-specific low-level functionality |
| 35 | _supported_fmt qcow2 |
| 36 | _supported_proto file fuse |
| 37 | _supported_os Linux |
| 38 | _unsupported_imgopts 'compat=0.10' data_file |
| 39 | |
| 40 | COMPR_IMG="$TEST_IMG.compressed" |
| 41 | RAND_FILE="$TEST_DIR/rand_data" |
| 42 | |
| 43 | _cleanup() |
| 44 | { |
| 45 | _cleanup_test_img |
| 46 | _rm_test_img "$COMPR_IMG" |
| 47 | rm -f "$RAND_FILE" |
| 48 | } |
| 49 | trap "_cleanup; exit \$status" 0 1 2 3 15 |
| 50 | |
| 51 | # for all the cases |
| 52 | CLUSTER_SIZE=65536 |
| 53 | |
| 54 | # Check if we can run this test. |
| 55 | output=$(_make_test_img -o 'compression_type=zstd' 64M; _cleanup_test_img) |
| 56 | if echo "$output" | grep -q "Parameter 'compression-type' does not accept value 'zstd'"; then |
| 57 | _notrun "ZSTD is disabled" |
| 58 | fi |
| 59 | |
| 60 | echo |
| 61 | echo "=== Testing compression type incompatible bit setting for zlib ===" |
| 62 | echo |
| 63 | _make_test_img -o compression_type=zlib 64M |
| 64 | _qcow2_dump_header --no-filter-compression | grep incompatible_features |
| 65 | |
| 66 | echo |
| 67 | echo "=== Testing compression type incompatible bit setting for zstd ===" |
| 68 | echo |
| 69 | _make_test_img -o compression_type=zstd 64M |
| 70 | _qcow2_dump_header --no-filter-compression | grep incompatible_features |
| 71 | |
| 72 | echo |
| 73 | echo "=== Testing zlib with incompatible bit set ===" |
| 74 | echo |
| 75 | _make_test_img -o compression_type=zlib 64M |
| 76 | $PYTHON qcow2.py "$TEST_IMG" set-feature-bit incompatible 3 |
| 77 | # to make sure the bit was actually set |
| 78 | _qcow2_dump_header --no-filter-compression | grep incompatible_features |
| 79 | |
| 80 | if $QEMU_IMG info "$TEST_IMG" >/dev/null 2>&1 ; then |
| 81 | echo "Error: The image opened successfully. The image must not be opened." |
| 82 | fi |
| 83 | |
| 84 | echo |
| 85 | echo "=== Testing zstd with incompatible bit unset ===" |
| 86 | echo |
| 87 | _make_test_img -o compression_type=zstd 64M |
| 88 | $PYTHON qcow2.py "$TEST_IMG" set-header incompatible_features 0 |
| 89 | # to make sure the bit was actually unset |
| 90 | _qcow2_dump_header --no-filter-compression | grep incompatible_features |
| 91 | |
| 92 | if $QEMU_IMG info "$TEST_IMG" >/dev/null 2>&1 ; then |
| 93 | echo "Error: The image opened successfully. The image must not be opened." |
| 94 | fi |
| 95 | |
| 96 | echo |
| 97 | echo "=== Testing compression type values ===" |
| 98 | echo |
| 99 | # zlib=0 |
| 100 | _make_test_img -o compression_type=zlib 64M |
| 101 | peek_file_be "$TEST_IMG" 104 1 |
| 102 | echo |
| 103 | |
| 104 | # zstd=1 |
| 105 | _make_test_img -o compression_type=zstd 64M |
| 106 | peek_file_be "$TEST_IMG" 104 1 |
| 107 | echo |
| 108 | |
| 109 | echo |
| 110 | echo "=== Testing simple reading and writing with zstd ===" |
| 111 | echo |
| 112 | _make_test_img -o compression_type=zstd 64M |
| 113 | $QEMU_IO -c "write -c -P 0xAC 64K 64K " "$TEST_IMG" | _filter_qemu_io |
| 114 | $QEMU_IO -c "read -P 0xAC 64K 64K " "$TEST_IMG" | _filter_qemu_io |
| 115 | # read on the cluster boundaries |
| 116 | $QEMU_IO -c "read -v 131070 8 " "$TEST_IMG" | _filter_qemu_io |
| 117 | $QEMU_IO -c "read -v 65534 8" "$TEST_IMG" | _filter_qemu_io |
| 118 | |
| 119 | echo |
| 120 | echo "=== Testing adjacent clusters reading and writing with zstd ===" |
| 121 | echo |
| 122 | _make_test_img -o compression_type=zstd 64M |
| 123 | $QEMU_IO -c "write -c -P 0xAB 0 64K " "$TEST_IMG" | _filter_qemu_io |
| 124 | $QEMU_IO -c "write -c -P 0xAC 64K 64K " "$TEST_IMG" | _filter_qemu_io |
| 125 | $QEMU_IO -c "write -c -P 0xAD 128K 64K " "$TEST_IMG" | _filter_qemu_io |
| 126 | |
| 127 | $QEMU_IO -c "read -P 0xAB 0 64k " "$TEST_IMG" | _filter_qemu_io |
| 128 | $QEMU_IO -c "read -P 0xAC 64K 64k " "$TEST_IMG" | _filter_qemu_io |
| 129 | $QEMU_IO -c "read -P 0xAD 128K 64k " "$TEST_IMG" | _filter_qemu_io |
| 130 | |
| 131 | echo |
| 132 | echo "=== Testing incompressible cluster processing with zstd ===" |
| 133 | echo |
| 134 | # create a 2M image and fill it with 1M likely incompressible data |
| 135 | # and 1M compressible data |
| 136 | dd if=/dev/urandom of="$RAND_FILE" bs=1M count=1 seek=1 |
| 137 | QEMU_IO_OPTIONS="$QEMU_IO_OPTIONS_NO_FMT" \ |
| 138 | $QEMU_IO -f raw -c "write -P 0xFA 0 1M" "$RAND_FILE" | _filter_qemu_io |
| 139 | |
| 140 | $QEMU_IMG convert -f raw -O $IMGFMT -c \ |
| 141 | -o "$(_optstr_add "$IMGOPTS" "compression_type=zlib")" "$RAND_FILE" \ |
| 142 | "$TEST_IMG" | _filter_qemu_io |
| 143 | |
| 144 | $QEMU_IMG convert -O $IMGFMT -c \ |
| 145 | -o "$(_optstr_add "$IMGOPTS" "compression_type=zstd")" "$TEST_IMG" \ |
| 146 | "$COMPR_IMG" | _filter_qemu_io |
| 147 | |
| 148 | $QEMU_IMG compare "$TEST_IMG" "$COMPR_IMG" |
| 149 | |
| 150 | # success, all done |
| 151 | echo "*** done" |
| 152 | rm -f $seq.full |
| 153 | status=0 |