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It should not be happening, but it is possible to truncate an image outside of qemu while qemu is running (or any of the qemu tools using the block layer. raw_co_get_block_status() should not break then. While touching this test, replace the existing "truncate" invocation by "$QEMU_IMG convert -f raw". Signed-off-by: Max Reitz <mreitz@redhat.com> Reviewed-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Message-id: 1414148280-17949-4-git-send-email-mreitz@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
82 lines
2.1 KiB
Bash
Executable File
82 lines
2.1 KiB
Bash
Executable File
#!/bin/bash
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#
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# Test case for qemu-io -c map and qemu-img map
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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=mreitz@redhat.com
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seq=$(basename $0)
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echo "QA output created by $seq"
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here=$PWD
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tmp=/tmp/$$
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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 qemu instance handling
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. ./common.rc
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. ./common.filter
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. ./common.qemu
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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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IMG_SIZE=64K
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echo
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echo '=== Testing map command on truncated image ==='
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echo
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_make_test_img $IMG_SIZE
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# Create cluster
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$QEMU_IO -c 'write 0 64k' "$TEST_IMG" | _filter_qemu_io
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# Remove data cluster from image (first cluster: image header, second: reftable,
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# third: refblock, fourth: L1 table, fifth: L2 table)
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$QEMU_IMG resize -f raw "$TEST_IMG" $((5 * 64 * 1024))
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$QEMU_IO -c map "$TEST_IMG"
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$QEMU_IMG map "$TEST_IMG"
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echo
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echo '=== Testing map on an image file truncated outside of qemu ==='
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echo
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# Same as above, only now we concurrently truncate and map the image
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_make_test_img $IMG_SIZE
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$QEMU_IO -c 'write 0 64k' "$TEST_IMG" | _filter_qemu_io
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qemu_comm_method=monitor _launch_qemu -drive if=none,file="$TEST_IMG",id=drv0
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$QEMU_IMG resize -f raw "$TEST_IMG" $((5 * 64 * 1024))
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_send_qemu_cmd $QEMU_HANDLE 'qemu-io drv0 map' 'allocated' \
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| sed -e 's/^(qemu).*qemu-io drv0 map...$/(qemu) qemu-io drv0 map/'
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_send_qemu_cmd $QEMU_HANDLE 'quit' ''
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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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