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57284d2ada
Many tests (that do not support generic protocols) can run just fine with FUSE-exported images, so allow them to. Note that this is no attempt at being definitely complete. There are some tests that might be modified to run on FUSE, but this patch still skips them. This patch only tries to pick the rather low-hanging fruits. Note that 221 and 250 only pass when .lseek is correctly implemented, which is only possible with a libfuse that is 3.8 or newer. Signed-off-by: Max Reitz <mreitz@redhat.com> Reviewed-by: Kevin Wolf <kwolf@redhat.com> Message-Id: <20201027190600.192171-20-mreitz@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
90 lines
2.5 KiB
Bash
Executable file
90 lines
2.5 KiB
Bash
Executable file
#!/usr/bin/env bash
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#
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# qcow2 v3-exclusive error path testing
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# (026 tests paths common to v2 and v3)
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#
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# Copyright (C) 2020 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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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_DIR/blkdebug.conf"
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rm -f "$TEST_IMG.data_file"
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}
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trap "_cleanup; exit \$status" 0 1 2 3 15
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# get standard environment, filters and checks
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. ./common.rc
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. ./common.filter
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. ./common.pattern
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_supported_fmt qcow2
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_supported_proto file fuse
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# This is a v3-exclusive test;
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# As for data_file, error paths often very much depend on whether
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# there is an external data file or not; so we create one exactly when
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# we want to test it
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_unsupported_imgopts 'compat=0.10' data_file
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echo
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echo === Avoid freeing external data clusters on failure ===
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echo
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cat > "$TEST_DIR/blkdebug.conf" <<EOF
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[inject-error]
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event = "write_aio"
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errno = "5"
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once = "on"
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EOF
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# Test what happens when there is an error when writing to an external
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# data file instead of when writing to a preallocated zero cluster
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_make_test_img -o "data_file=$TEST_IMG.data_file" 64k
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# Put blkdebug above the data-file, and a raw node on top of that so
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# that blkdebug will see a write_aio event and emit an error. This
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# will then trigger the alloc abort code, which we want to test here.
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$QEMU_IO -c "write 0 64k" \
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"json:{
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'driver': 'qcow2',
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'file': { 'driver': 'file', 'filename': '$TEST_IMG' },
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'data-file': {
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'driver': 'raw',
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'file': {
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'driver': 'blkdebug',
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'config': '$TEST_DIR/blkdebug.conf',
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'image': {
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'driver': 'file',
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'filename': '$TEST_IMG.data_file'
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}
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}
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}
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}" \
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| _filter_qemu_io
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_check_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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