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d5b2399458
When creating an image file with a backing file, we generally try to open the backing file (unless -u was specified), mostly to verify that it is there, but also to get the file size if none was specified for the new image. For neither of these things do we need data I/O, and so we can pass BDRV_O_NO_IO when opening the backing file. This allows us to open even encrypted backing images without requiring the user to provide a secret. This makes the -u switch in iotests 189 and 198 unnecessary (and the $size parameter), so drop it, because this way we get regression tests for this patch here. Fixes: https://gitlab.com/qemu-project/qemu/-/issues/441 Signed-off-by: Max Reitz <mreitz@redhat.com> Message-Id: <20210622140030.212487-1-mreitz@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
88 lines
2.7 KiB
Bash
Executable File
88 lines
2.7 KiB
Bash
Executable File
#!/usr/bin/env bash
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# group: rw
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#
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# Test encrypted read/write using backing files
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#
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# Copyright (C) 2017 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=berrange@redhat.com
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seq=`basename $0`
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echo "QA output created by $seq"
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status=1 # failure is the default!
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_cleanup()
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{
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_cleanup_test_img
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}
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trap "_cleanup; exit \$status" 0 1 2 3 15
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# get standard environment, filters and checks
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. ./common.rc
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. ./common.filter
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_supported_fmt qcow2
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_supported_proto generic
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_supported_os Linux
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_require_working_luks
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size=16M
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TEST_IMG_BASE=$TEST_IMG.base
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SECRET0="secret,id=sec0,data=astrochicken"
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SECRET1="secret,id=sec1,data=furby"
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TEST_IMG_SAVE=$TEST_IMG
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TEST_IMG=$TEST_IMG_BASE
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echo "== create base =="
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_make_test_img --object $SECRET0 -o "encrypt.format=luks,encrypt.key-secret=sec0,encrypt.iter-time=10" $size
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TEST_IMG=$TEST_IMG_SAVE
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IMGSPECBASE="driver=$IMGFMT,file.filename=$TEST_IMG_BASE,encrypt.key-secret=sec0"
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IMGSPEC="driver=$IMGFMT,file.filename=$TEST_IMG,backing.driver=$IMGFMT,backing.file.filename=$TEST_IMG_BASE,backing.encrypt.key-secret=sec0,encrypt.key-secret=sec1"
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QEMU_IO_OPTIONS=$QEMU_IO_OPTIONS_NO_FMT
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echo
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echo "== writing whole image =="
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$QEMU_IO --object $SECRET0 -c "write -P 0xa 0 $size" --image-opts $IMGSPECBASE | _filter_qemu_io | _filter_testdir
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echo
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echo "== verify pattern =="
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$QEMU_IO --object $SECRET0 -c "read -P 0xa 0 $size" --image-opts $IMGSPECBASE | _filter_qemu_io | _filter_testdir
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echo "== create overlay =="
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_make_test_img --object $SECRET1 -o "encrypt.format=luks,encrypt.key-secret=sec1,encrypt.iter-time=10" -b "$TEST_IMG_BASE" -F $IMGFMT
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echo
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echo "== writing part of a cluster =="
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$QEMU_IO --object $SECRET0 --object $SECRET1 -c "write -P 0xe 0 1024" --image-opts $IMGSPEC | _filter_qemu_io | _filter_testdir
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echo
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echo "== verify pattern =="
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$QEMU_IO --object $SECRET0 --object $SECRET1 -c "read -P 0xe 0 1024" --image-opts $IMGSPEC | _filter_qemu_io | _filter_testdir
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echo
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echo "== verify pattern =="
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$QEMU_IO --object $SECRET0 --object $SECRET1 -c "read -P 0xa 1024 64512" --image-opts $IMGSPEC | _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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