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76 lines
2.5 KiB
Bash
76 lines
2.5 KiB
Bash
#!/usr/bin/env bash
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# group: rw auto quick
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#
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# Test invalid backing file format in qcow2 images
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#
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# Copyright (C) 2014 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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}
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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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# At least OpenBSD doesn't seem to have truncate
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_supported_os Linux
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# qcow2.py does not work too well with external data files
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_unsupported_imgopts data_file
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# Older qemu-img could set up backing file without backing format; modern
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# qemu can't but we can use qcow2.py to simulate older files.
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truncate -s $((64 * 1024 * 1024)) "$TEST_IMG.orig"
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_make_test_img -b "$TEST_IMG.orig" -F raw 64M
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$PYTHON qcow2.py "$TEST_IMG" del-header-ext 0xE2792ACA
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TEST_IMG="$TEST_IMG.base" _make_test_img 64M
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$QEMU_IMG convert -O qcow2 -B "$TEST_IMG.orig" "$TEST_IMG.orig" "$TEST_IMG"
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_make_test_img -b "$TEST_IMG.base" -F $IMGFMT 64M
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_make_test_img -u -b "$TEST_IMG.base" -F $IMGFMT 64M
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# Set an invalid backing file format
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$PYTHON qcow2.py "$TEST_IMG" add-header-ext 0xE2792ACA "foo"
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_img_info
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# Try opening the image. Should fail (and not probe) in the first case, but
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# overriding the backing file format should be possible.
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$QEMU_IO -c "open $TEST_IMG" -c "read 0 4k" 2>&1 | _filter_qemu_io | _filter_testdir
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$QEMU_IO -c "open -o backing.driver=$IMGFMT $TEST_IMG" -c "read 0 4k" | _filter_qemu_io
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# Rebase the image, to show that backing format is required.
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($QEMU_IMG rebase -u -b "$TEST_IMG.base" "$TEST_IMG" 2>&1 && echo "unexpected pass") | _filter_testdir
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$QEMU_IMG rebase -u -b "$TEST_IMG.base" -F $IMGFMT "$TEST_IMG"
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$QEMU_IO -c "open $TEST_IMG" -c "read 0 4k" 2>&1 | _filter_qemu_io | _filter_testdir
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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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