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3be2024aef
Signed-off-by: Max Reitz <mreitz@redhat.com> Message-id: 20191107163708.833192-22-mreitz@redhat.com [mreitz: Also disable 273] Signed-off-by: Max Reitz <mreitz@redhat.com>
204 lines
5.7 KiB
Bash
Executable File
204 lines
5.7 KiB
Bash
Executable File
#!/usr/bin/env bash
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#
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# Test qcow2 with external data files
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#
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# Copyright (C) 2019 Red Hat, Inc.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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# creator
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owner=kwolf@redhat.com
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seq=$(basename $0)
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echo "QA output created by $seq"
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status=1 # failure is the default!
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_cleanup()
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{
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_cleanup_test_img
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_rm_test_img "$TEST_IMG.data"
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_rm_test_img "$TEST_IMG.src"
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}
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trap "_cleanup; exit \$status" 0 1 2 3 15
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# get standard environment, filters and checks
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. ./common.rc
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. ./common.filter
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_supported_fmt qcow2
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_supported_proto file
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_supported_os Linux
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# External data files do not work with compat=0.10, and because we use
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# our own external data file, we cannot let the user specify one
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_unsupported_imgopts 'compat=0.10' data_file
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echo
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echo "=== Create and open image with external data file ==="
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echo
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echo "With data file name in the image:"
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_make_test_img -o "data_file=$TEST_IMG.data" 64M
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_check_test_img
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$QEMU_IO -c "open $TEST_IMG" -c "read -P 0 0 64k" 2>&1 | _filter_qemu_io | _filter_testdir
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$QEMU_IO -c "open -odata-file.filename=$TEST_IMG.data $TEST_IMG" -c "read -P 0 0 64k" 2>&1 | _filter_qemu_io | _filter_testdir
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$QEMU_IO -c "open -odata-file.filename=inexistent $TEST_IMG" -c "read -P 0 0 64k" 2>&1 | _filter_qemu_io | _filter_testdir
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echo
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echo "Data file required, but without data file name in the image:"
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$QEMU_IMG amend -odata_file= $TEST_IMG
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$QEMU_IO -c "open $TEST_IMG" -c "read -P 0 0 64k" 2>&1 | _filter_qemu_io | _filter_testdir
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$QEMU_IO -c "open -odata-file.filename=$TEST_IMG.data $TEST_IMG" -c "read -P 0 0 64k" 2>&1 | _filter_qemu_io | _filter_testdir
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$QEMU_IO -c "open -odata-file.filename=inexistent $TEST_IMG" -c "read -P 0 0 64k" 2>&1 | _filter_qemu_io | _filter_testdir
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echo
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echo "Setting data-file for an image with internal data:"
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_make_test_img 64M
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$QEMU_IO -c "open -odata-file.filename=$TEST_IMG.data $TEST_IMG" -c "read -P 0 0 64k" 2>&1 | _filter_qemu_io | _filter_testdir
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$QEMU_IO -c "open -odata-file.filename=inexistent $TEST_IMG" -c "read -P 0 0 64k" 2>&1 | _filter_qemu_io | _filter_testdir
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echo
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echo "=== Conflicting features ==="
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echo
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echo "Convert to compressed target with data file:"
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TEST_IMG="$TEST_IMG.src" _make_test_img 64M
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$QEMU_IO -c 'write -P 0x11 0 1M' \
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-f $IMGFMT "$TEST_IMG.src" |
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_filter_qemu_io
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$QEMU_IMG convert -f $IMGFMT -O $IMGFMT -c -odata_file="$TEST_IMG.data" \
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"$TEST_IMG.src" "$TEST_IMG"
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echo
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echo "Convert uncompressed, then write compressed data manually:"
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$QEMU_IMG convert -f $IMGFMT -O $IMGFMT -odata_file="$TEST_IMG.data" \
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"$TEST_IMG.src" "$TEST_IMG"
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$QEMU_IMG compare "$TEST_IMG.src" "$TEST_IMG"
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$QEMU_IO -c 'write -c -P 0x22 0 1M' \
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-f $IMGFMT "$TEST_IMG" |
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_filter_qemu_io
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_check_test_img
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echo
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echo "Take an internal snapshot:"
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$QEMU_IMG snapshot -c test "$TEST_IMG"
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_check_test_img
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echo
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echo "=== Standalone image with external data file (efficient) ==="
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echo
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_make_test_img -o "data_file=$TEST_IMG.data" 64M
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echo -n "qcow2 file size before I/O: "
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du -b $TEST_IMG | cut -f1
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# Create image with the following layout
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# 0-1 MB: Unallocated
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# 1-2 MB: Written (pattern 0x11)
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# 2-3 MB: Discarded
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# 3-4 MB: Zero write over discarded space
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# 4-5 MB: Zero write over written space
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# 5-6 MB: Zero write over unallocated space
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echo
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$QEMU_IO -c 'write -P 0x11 1M 4M' \
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-c 'discard 2M 2M' \
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-c 'write -z 3M 3M' \
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-f $IMGFMT "$TEST_IMG" |
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_filter_qemu_io
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_check_test_img
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echo
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$QEMU_IMG map --output=json "$TEST_IMG"
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echo
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$QEMU_IO -c 'read -P 0 0 1M' \
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-c 'read -P 0x11 1M 1M' \
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-c 'read -P 0 2M 4M' \
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-f $IMGFMT "$TEST_IMG" |
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_filter_qemu_io
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# Zero clusters are only marked as such in the qcow2 metadata, but contain
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# stale data in the external data file
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echo
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$QEMU_IO -c 'read -P 0 0 1M' \
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-c 'read -P 0x11 1M 1M' \
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-c 'read -P 0 2M 2M' \
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-c 'read -P 0x11 4M 1M' \
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-c 'read -P 0 5M 1M' \
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-f raw "$TEST_IMG.data" |
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_filter_qemu_io
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echo -n "qcow2 file size after I/O: "
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du -b $TEST_IMG | cut -f1
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echo
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echo "=== Standalone image with external data file (valid raw) ==="
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echo
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_make_test_img -o "data_file=$TEST_IMG.data,data_file_raw=on" 64M
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echo -n "qcow2 file size before I/O: "
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du -b $TEST_IMG | cut -f1
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echo
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$QEMU_IO -c 'write -P 0x11 1M 4M' \
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-c 'discard 2M 2M' \
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-c 'write -z 3M 3M' \
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-f $IMGFMT "$TEST_IMG" |
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_filter_qemu_io
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_check_test_img
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echo
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$QEMU_IMG map --output=json "$TEST_IMG"
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echo
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$QEMU_IO -c 'read -P 0 0 1M' \
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-c 'read -P 0x11 1M 1M' \
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-c 'read -P 0 2M 4M' \
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-f $IMGFMT "$TEST_IMG" |
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_filter_qemu_io
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echo
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$QEMU_IMG compare "$TEST_IMG" "$TEST_IMG.data"
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echo -n "qcow2 file size after I/O: "
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du -b $TEST_IMG | cut -f1
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echo
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echo "=== bdrv_co_block_status test for file and offset=0 ==="
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echo
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_make_test_img -o "data_file=$TEST_IMG.data" 64M
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$QEMU_IO -c 'write -P 0x11 0 1M' -f $IMGFMT "$TEST_IMG" | _filter_qemu_io
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$QEMU_IO -c 'read -P 0x11 0 1M' -f $IMGFMT "$TEST_IMG" | _filter_qemu_io
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$QEMU_IMG map --output=human "$TEST_IMG" | _filter_testdir
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$QEMU_IMG map --output=json "$TEST_IMG"
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# success, all done
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echo "*** done"
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rm -f $seq.full
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status=0
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