a0cf8daf77
This adds a test for 'qemu-img convert' with copy offloading where the target image has an external data file. If the test hosts supports it, it tests both the case where copy offloading is supported and the case where it isn't (otherwise we just test unsupported twice). More specifically, the case with unsupported copy offloading tests qcow2_alloc_cluster_abort() with external data files. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Message-Id: <20200211094900.17315-4-kwolf@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
218 lines
6.2 KiB
Bash
Executable File
218 lines
6.2 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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echo
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echo "=== Copy offloading ==="
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echo
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# Make use of copy offloading if the test host can provide it
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_make_test_img -o "data_file=$TEST_IMG.data" 64M
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$QEMU_IMG convert -f $IMGFMT -O $IMGFMT -n -C "$TEST_IMG.src" "$TEST_IMG"
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$QEMU_IMG compare -f $IMGFMT -F $IMGFMT "$TEST_IMG.src" "$TEST_IMG"
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# blkdebug doesn't support copy offloading, so this tests the error path
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$QEMU_IMG amend -f $IMGFMT -o "data_file=blkdebug::$TEST_IMG.data" "$TEST_IMG"
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$QEMU_IMG convert -f $IMGFMT -O $IMGFMT -n -C "$TEST_IMG.src" "$TEST_IMG"
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$QEMU_IMG compare -f $IMGFMT -F $IMGFMT "$TEST_IMG.src" "$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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