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cba201f4c74a99b6ee0a43d66f5dae8f901b4006
qemu/tests/qemu-iotests/122
Vladimir Sementsov-Ogievskiy 9dd003a998 iotests: define group in each iotest 
We are going to drop group file. Define group in tests as a preparatory
step.

The patch is generated by

    cd tests/qemu-iotests

    grep '^[0-9]\{3\} ' group | while read line; do
        file=$(awk '{print $1}' <<< "$line");
        groups=$(sed -e 's/^... //' <<< "$line");
        awk "NR==2{print \"# group: $groups\"}1" $file > tmp;
        cat tmp > $file;
    done

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20210116134424.82867-7-vsementsov@virtuozzo.com>
Signed-off-by: Eric Blake <eblake@redhat.com>
2021-01-20 14:53:22 -06:00

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#!/usr/bin/env bash
# group: rw
#
# Test some qemu-img convert cases
#
# Copyright (C) 2015 Red Hat, Inc.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
# creator
owner=kwolf@redhat.com
seq="$(basename $0)"
echo "QA output created by $seq"
status=1 # failure is the default!
_cleanup()
{
for img in "$TEST_IMG".[123]; do
_rm_test_img "$img"
done
_cleanup_test_img
}
trap "_cleanup; exit \$status" 0 1 2 3 15
# get standard environment, filters and checks
. ./common.rc
. ./common.filter
_supported_fmt qcow2
_supported_proto file
_supported_os Linux
TEST_IMG="$TEST_IMG".base _make_test_img 64M
$QEMU_IO -c "write -P 0x11 0 64M" "$TEST_IMG".base 2>&1 | _filter_qemu_io | _filter_testdir
echo
echo "=== Check allocation status regression with -B ==="
echo
_make_test_img -b "$TEST_IMG".base -F $IMGFMT
$QEMU_IO -c "write -P 0x22 0 3M" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir
$QEMU_IMG convert -O $IMGFMT -B "$TEST_IMG".base \
-o backing_fmt=$IMGFMT "$TEST_IMG" "$TEST_IMG".orig
$QEMU_IMG map "$TEST_IMG".orig | _filter_qemu_img_map
echo
echo "=== Check that zero clusters are kept in overlay ==="
echo
_make_test_img -b "$TEST_IMG".base -F $IMGFMT
$QEMU_IO -c "write -P 0 0 3M" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir
$QEMU_IMG convert -O $IMGFMT -B "$TEST_IMG".base -o backing_fmt=$IMGFMT \
"$TEST_IMG" "$TEST_IMG".orig
$QEMU_IO -c "read -P 0 0 3M" "$TEST_IMG".orig 2>&1 | _filter_qemu_io | _filter_testdir
$QEMU_IMG convert -O $IMGFMT -c -B "$TEST_IMG".base -o backing_fmt=$IMGFMT \
"$TEST_IMG" "$TEST_IMG".orig
$QEMU_IO -c "read -P 0 0 3M" "$TEST_IMG".orig 2>&1 | _filter_qemu_io | _filter_testdir
$QEMU_IO -c "write -z 0 3M" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir
$QEMU_IMG convert -O $IMGFMT -B "$TEST_IMG".base -o backing_fmt=$IMGFMT \
"$TEST_IMG" "$TEST_IMG".orig
$QEMU_IO -c "read -P 0 0 3M" "$TEST_IMG".orig 2>&1 | _filter_qemu_io | _filter_testdir
$QEMU_IMG convert -O $IMGFMT -c -B "$TEST_IMG".base -o backing_fmt=$IMGFMT \
"$TEST_IMG" "$TEST_IMG".orig
$QEMU_IO -c "read -P 0 0 3M" "$TEST_IMG".orig 2>&1 | _filter_qemu_io | _filter_testdir
echo
echo "=== Converting to an overlay larger than its backing file ==="
echo
TEST_IMG="$TEST_IMG".base _make_test_img 256M
# Needs to be at least how much an L2 table covers
# (64 kB/entry * 64 kB / 8 B/entry = 512 MB)
# That way, qcow2 will yield at least two status request responses.
# With just a single response, it would always say "Allocated in the
# backing file", so the optimization qemu-img convert tries to do is
# done automatically. Once it has to be queried twice, however (and
# one of the queries is completely after the end of the backing file),
# the block layer will automatically add a ZERO flag that qemu-img
# convert used to follow up with a zero write to the target.
# We do not want such a zero write, however, because we are past the
# end of the backing file on the target as well, so we do not need to
# write anything there.
_make_test_img -b "$TEST_IMG".base 768M -F $IMGFMT
# Use compat=0.10 as the output so there is no zero cluster support
$QEMU_IMG convert -O $IMGFMT -B "$TEST_IMG".base -o compat=0.10 \
-o backing_fmt=$IMGFMT "$TEST_IMG" "$TEST_IMG".orig
# See that nothing has been allocated past 64M
$QEMU_IMG map "$TEST_IMG".orig | _filter_qemu_img_map
echo
# Just before the end of the backing file
$QEMU_IO -c 'write -P 0x11 255M 1M' "$TEST_IMG".base 2>&1 | _filter_qemu_io
# Somewhere in the second L2 table
$QEMU_IO -c 'write -P 0x22 600M 1M' "$TEST_IMG" 2>&1 | _filter_qemu_io
$QEMU_IMG convert -O $IMGFMT -B "$TEST_IMG".base -o compat=0.10 \
-o backing_fmt=$IMGFMT "$TEST_IMG" "$TEST_IMG".orig
$QEMU_IMG map "$TEST_IMG".orig | _filter_qemu_img_map
$QEMU_IO -c 'read -P 0x11 255M 1M' \
-c 'read -P 0x22 600M 1M' \
"$TEST_IMG".orig \
| _filter_qemu_io
echo
echo "=== Concatenate multiple source images ==="
echo
TEST_IMG="$TEST_IMG".1 _make_test_img 4M
TEST_IMG="$TEST_IMG".2 _make_test_img 4M
TEST_IMG="$TEST_IMG".3 _make_test_img 4M
$QEMU_IO -c "write -P 0x11 0 64k" "$TEST_IMG".1 2>&1 | _filter_qemu_io | _filter_testdir
$QEMU_IO -c "write -P 0x22 0 64k" "$TEST_IMG".2 2>&1 | _filter_qemu_io | _filter_testdir
$QEMU_IO -c "write -P 0x33 0 64k" "$TEST_IMG".3 2>&1 | _filter_qemu_io | _filter_testdir
$QEMU_IMG convert -O $IMGFMT "$TEST_IMG".[123] "$TEST_IMG"
$QEMU_IMG map "$TEST_IMG" | _filter_qemu_img_map
$QEMU_IO -c "read -P 0x11 0 64k" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir
$QEMU_IO -c "read -P 0x22 4M 64k" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir
$QEMU_IO -c "read -P 0x33 8M 64k" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir
$QEMU_IMG convert -c -O $IMGFMT "$TEST_IMG".[123] "$TEST_IMG"
$QEMU_IMG map --output=json "$TEST_IMG" | _filter_qemu_img_map
$QEMU_IO -c "read -P 0x11 0 64k" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir
$QEMU_IO -c "read -P 0x22 4M 64k" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir
$QEMU_IO -c "read -P 0x33 8M 64k" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir
# -B can't be combined with concatenation
$QEMU_IMG convert -O $IMGFMT -B "$TEST_IMG".base "$TEST_IMG".[123] "$TEST_IMG"
$QEMU_IMG convert -O $IMGFMT -c -B "$TEST_IMG".base "$TEST_IMG".[123] "$TEST_IMG"
echo
echo "=== Compression with misaligned allocations and image sizes ==="
echo
TEST_IMG="$TEST_IMG".1 _make_test_img 1023k -o cluster_size=1024
TEST_IMG="$TEST_IMG".2 _make_test_img 1023k -o cluster_size=1024
$QEMU_IO -c "write -P 0x11 16k 16k" "$TEST_IMG".1 2>&1 | _filter_qemu_io | _filter_testdir
$QEMU_IO -c "write -P 0x22 130k 130k" "$TEST_IMG".1 2>&1 | _filter_qemu_io | _filter_testdir
$QEMU_IO -c "write -P 0x33 1022k 1k" "$TEST_IMG".1 2>&1 | _filter_qemu_io | _filter_testdir
$QEMU_IO -c "write -P 0x44 0k 1k" "$TEST_IMG".2 2>&1 | _filter_qemu_io | _filter_testdir
$QEMU_IMG convert -c -O $IMGFMT "$TEST_IMG".[12] "$TEST_IMG"
$QEMU_IMG map --output=json "$TEST_IMG" | _filter_qemu_img_map
$QEMU_IO -c "read -P 0 0k 16k" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir
$QEMU_IO -c "read -P 0x11 16k 16k" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir
$QEMU_IO -c "read -P 0 32k 98k" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir
$QEMU_IO -c "read -P 0x22 130k 130k" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir
$QEMU_IO -c "read -P 0 260k 762k" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir
$QEMU_IO -c "read -P 0x33 1022k 1k" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir
$QEMU_IO -c "read -P 0x44 1023k 1k" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir
$QEMU_IO -c "read -P 0 1024k 1022k" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir
echo
echo "=== Full allocation with -S 0 ==="
echo
# Standalone image
_make_test_img 64M
$QEMU_IO -c "write -P 0x22 0 3M" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir
$QEMU_IO -c "write -P 0 3M 3M" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir
echo
echo convert -S 0:
$QEMU_IMG convert -O $IMGFMT -S 0 "$TEST_IMG" "$TEST_IMG".orig
$QEMU_IO -c "read -P 0x22 0 3M" "$TEST_IMG".orig 2>&1 | _filter_qemu_io | _filter_testdir
$QEMU_IO -c "read -P 0 3M 61M" "$TEST_IMG".orig 2>&1 | _filter_qemu_io | _filter_testdir
$QEMU_IMG map --output=json "$TEST_IMG".orig | _filter_qemu_img_map
echo
echo convert -c -S 0:
$QEMU_IMG convert -O $IMGFMT -c -S 0 "$TEST_IMG" "$TEST_IMG".orig
$QEMU_IO -c "read -P 0x22 0 3M" "$TEST_IMG".orig 2>&1 | _filter_qemu_io | _filter_testdir
$QEMU_IO -c "read -P 0 3M 61M" "$TEST_IMG".orig 2>&1 | _filter_qemu_io | _filter_testdir
$QEMU_IMG map --output=json "$TEST_IMG".orig | _filter_qemu_img_map
# With backing file
TEST_IMG="$TEST_IMG".base _make_test_img 64M
$QEMU_IO -c "write -P 0x11 0 32M" "$TEST_IMG".base 2>&1 | _filter_qemu_io | _filter_testdir
_make_test_img -b "$TEST_IMG".base 64M -F $IMGFMT
$QEMU_IO -c "write -P 0x22 0 3M" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir
echo
echo convert -S 0 with source backing file:
$QEMU_IMG convert -O $IMGFMT -S 0 "$TEST_IMG" "$TEST_IMG".orig
$QEMU_IO -c "read -P 0x22 0 3M" "$TEST_IMG".orig 2>&1 | _filter_qemu_io | _filter_testdir
$QEMU_IO -c "read -P 0x11 3M 29M" "$TEST_IMG".orig 2>&1 | _filter_qemu_io | _filter_testdir
$QEMU_IO -c "read -P 0 32M 32M" "$TEST_IMG".orig 2>&1 | _filter_qemu_io | _filter_testdir
$QEMU_IMG map --output=json "$TEST_IMG".orig | _filter_qemu_img_map
echo
echo convert -c -S 0 with source backing file:
$QEMU_IMG convert -O $IMGFMT -c -S 0 "$TEST_IMG" "$TEST_IMG".orig
$QEMU_IO -c "read -P 0x22 0 3M" "$TEST_IMG".orig 2>&1 | _filter_qemu_io | _filter_testdir
$QEMU_IO -c "read -P 0x11 3M 29M" "$TEST_IMG".orig 2>&1 | _filter_qemu_io | _filter_testdir
$QEMU_IO -c "read -P 0 32M 32M" "$TEST_IMG".orig 2>&1 | _filter_qemu_io | _filter_testdir
$QEMU_IMG map --output=json "$TEST_IMG".orig | _filter_qemu_img_map
# With keeping the backing file
echo
echo convert -S 0 -B ...
$QEMU_IMG convert -O $IMGFMT -S 0 "$TEST_IMG" "$TEST_IMG".orig
$QEMU_IO -c "read -P 0x22 0 3M" "$TEST_IMG".orig 2>&1 | _filter_qemu_io | _filter_testdir
$QEMU_IO -c "read -P 0x11 3M 29M" "$TEST_IMG".orig 2>&1 | _filter_qemu_io | _filter_testdir
$QEMU_IO -c "read -P 0 32M 32M" "$TEST_IMG".orig 2>&1 | _filter_qemu_io | _filter_testdir
$QEMU_IMG map --output=json "$TEST_IMG".orig | _filter_qemu_img_map
echo
echo convert -c -S 0 -B ...
$QEMU_IMG convert -O $IMGFMT -c -S 0 "$TEST_IMG" "$TEST_IMG".orig
$QEMU_IO -c "read -P 0x22 0 3M" "$TEST_IMG".orig 2>&1 | _filter_qemu_io | _filter_testdir
$QEMU_IO -c "read -P 0x11 3M 29M" "$TEST_IMG".orig 2>&1 | _filter_qemu_io | _filter_testdir
$QEMU_IO -c "read -P 0 32M 32M" "$TEST_IMG".orig 2>&1 | _filter_qemu_io | _filter_testdir
$QEMU_IMG map --output=json "$TEST_IMG".orig | _filter_qemu_img_map
echo
echo "=== Non-zero -S ==="
echo
_make_test_img 64M -o cluster_size=1k
$QEMU_IO -c "write -P 0 0 64k" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir
$QEMU_IO -c "write 0 1k" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir
$QEMU_IO -c "write 8k 1k" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir
$QEMU_IO -c "write 17k 1k" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir
for min_sparse in 4k 8k; do
echo
echo convert -S $min_sparse
$QEMU_IMG convert -O $IMGFMT -o cluster_size=1k -S $min_sparse "$TEST_IMG" "$TEST_IMG".orig
$QEMU_IMG map --output=json "$TEST_IMG".orig | _filter_qemu_img_map
echo
echo convert -c -S $min_sparse
# For compressed images, -S values other than 0 are ignored
$QEMU_IMG convert -O $IMGFMT -o cluster_size=1k -c -S $min_sparse "$TEST_IMG" "$TEST_IMG".orig
$QEMU_IMG map --output=json "$TEST_IMG".orig | _filter_qemu_img_map
done
echo
echo '=== -n to a non-zero image ==='
echo
# Keep source zero
_make_test_img 64M
# Output is not zero, but has bdrv_has_zero_init() == 1
TEST_IMG="$TEST_IMG".orig _make_test_img 64M
$QEMU_IO -c "write -P 42 0 64k" "$TEST_IMG".orig | _filter_qemu_io
# Convert with -n, which should not assume that the target is zeroed
$QEMU_IMG convert -O $IMGFMT -n "$TEST_IMG" "$TEST_IMG".orig
$QEMU_IMG compare "$TEST_IMG" "$TEST_IMG".orig
echo
echo '=== -n to an empty image ==='
echo
TEST_IMG="$TEST_IMG".orig _make_test_img 64M
# Convert with -n, which should not result in a fully allocated image, not even
# with compat=0.10 (because the target doesn't have a backing file)
for compat in "1.1" "0.10"; do
IMGOPTS="compat=$compat" _make_test_img 64M
$QEMU_IMG convert -O $IMGFMT -n "$TEST_IMG".orig "$TEST_IMG"
$QEMU_IMG map --output=json "$TEST_IMG"
done
echo
echo '=== -n to an empty image with a backing file ==='
echo
TEST_IMG="$TEST_IMG".orig _make_test_img 64M
TEST_IMG="$TEST_IMG".base _make_test_img 64M
# Convert with -n, which should still not result in a fully allocated image for
# compat=1.1 (because it can use zero clusters), but it should be fully
# allocated with compat=0.10
for compat in "1.1" "0.10"; do
IMGOPTS="compat=$compat" _make_test_img -b "$TEST_IMG".base -F $IMGFMT 64M
$QEMU_IMG convert -O $IMGFMT -n "$TEST_IMG".orig "$TEST_IMG"
$QEMU_IMG map --output=json "$TEST_IMG"
done
echo
echo '=== -n -B to an image without a backing file ==='
echo
# Base for the output
TEST_IMG="$TEST_IMG".base _make_test_img 64M
# Output that does have $TEST_IMG.base set as its (implicit) backing file
TEST_IMG="$TEST_IMG".orig _make_test_img 64M
# Convert with -n, which should not confuse -B with "target BDS has a
# backing file"
$QEMU_IMG convert -O $IMGFMT -B "$TEST_IMG".base -n "$TEST_IMG" "$TEST_IMG".orig
echo
echo '=== -n incompatible with -o ==='
echo
$QEMU_IMG convert -O $IMGFMT -o preallocation=metadata -n \
"$TEST_IMG" "$TEST_IMG".orig && echo "unexpected success"
# success, all done
echo '*** done'
rm -f $seq.full
status=0
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