Tests should not overwrite all user-supplied image options, but only add to it (which will effectively overwrite conflicting values). Accomplish this by passing options to _make_test_img via -o instead of $IMGOPTS. For some tests, there is no functional change because they already only appended options to IMGOPTS. For these, this patch is just a simplification. For others, this is a change, so they now heed user-specified $IMGOPTS. Some of those tests do not work with all image options, though, so we need to disable them accordingly. Signed-off-by: Max Reitz <mreitz@redhat.com> Reviewed-by: Maxim Levitsky <mlevitsk@redhat.com> Message-id: 20191107163708.833192-12-mreitz@redhat.com Signed-off-by: Max Reitz <mreitz@redhat.com>
69 lines
2 KiB
Bash
Executable file
69 lines
2 KiB
Bash
Executable file
#!/usr/bin/env bash
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#
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# General test case for qcow2's image check
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#
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# Copyright (C) 2015 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=mreitz@redhat.com
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seq="$(basename $0)"
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echo "QA output created by $seq"
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status=1 # failure is the default!
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_cleanup()
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{
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_cleanup_test_img
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}
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trap "_cleanup; exit \$status" 0 1 2 3 15
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# get standard environment, filters and checks
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. ./common.rc
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. ./common.filter
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# This tests qcow2-specific low-level functionality
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_supported_fmt qcow2
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_supported_proto file
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_supported_os Linux
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echo
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echo '=== Check on an image with a multiple of 2^32 clusters ==='
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echo
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_make_test_img -o "cluster_size=512" 512
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# Allocate L2 table
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$QEMU_IO -c 'write 0 512' "$TEST_IMG" | _filter_qemu_io
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# Put the data cluster at a multiple of 2 TB, resulting in the image apparently
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# having a multiple of 2^32 clusters
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# (To be more specific: It is at 32 PB)
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poke_file "$TEST_IMG" $((2048 + 8)) "\x00\x80\x00\x00\x00\x00\x00\x00"
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# An offset of 32 PB results in qemu-img check having to allocate an in-memory
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# refcount table of 128 TB (16 bit refcounts, 512 byte clusters), if qemu-img
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# don't check that referenced data cluster is far beyond the end of file.
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# But starting from 4.0, qemu-img does this check, and instead of "Cannot
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# allocate memory", we have an error showing that l2 entry is invalid.
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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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