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Diffstat (limited to 'tests/qemu-iotests/244')
| -rwxr-xr-x | tests/qemu-iotests/244 | 200 |
1 files changed, 200 insertions, 0 deletions
diff --git a/tests/qemu-iotests/244 b/tests/qemu-iotests/244 new file mode 100755 index 0000000000..d8e7122305 --- /dev/null +++ b/tests/qemu-iotests/244 @@ -0,0 +1,200 @@ +#!/bin/bash +# +# Test qcow2 with external data files +# +# Copyright (C) 2019 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() +{ + _cleanup_test_img + rm -f $TEST_IMG.data + rm -f $TEST_IMG.src +} +trap "_cleanup; exit \$status" 0 1 2 3 15 + +# get standard environment, filters and checks +. ./common.rc +. ./common.filter + +_supported_fmt qcow2 +_supported_proto file +_supported_os Linux + +echo +echo "=== Create and open image with external data file ===" +echo + +echo "With data file name in the image:" +IMGOPTS="data_file=$TEST_IMG.data" _make_test_img 64M +_check_test_img + +$QEMU_IO -c "open $TEST_IMG" -c "read -P 0 0 64k" 2>&1 | _filter_qemu_io | _filter_testdir +$QEMU_IO -c "open -odata-file.filename=$TEST_IMG.data $TEST_IMG" -c "read -P 0 0 64k" 2>&1 | _filter_qemu_io | _filter_testdir +$QEMU_IO -c "open -odata-file.filename=inexistent $TEST_IMG" -c "read -P 0 0 64k" 2>&1 | _filter_qemu_io | _filter_testdir + +echo +echo "Data file required, but without data file name in the image:" +$QEMU_IMG amend -odata_file= $TEST_IMG + +$QEMU_IO -c "open $TEST_IMG" -c "read -P 0 0 64k" 2>&1 | _filter_qemu_io | _filter_testdir +$QEMU_IO -c "open -odata-file.filename=$TEST_IMG.data $TEST_IMG" -c "read -P 0 0 64k" 2>&1 | _filter_qemu_io | _filter_testdir +$QEMU_IO -c "open -odata-file.filename=inexistent $TEST_IMG" -c "read -P 0 0 64k" 2>&1 | _filter_qemu_io | _filter_testdir + +echo +echo "Setting data-file for an image with internal data:" +_make_test_img 64M + +$QEMU_IO -c "open -odata-file.filename=$TEST_IMG.data $TEST_IMG" -c "read -P 0 0 64k" 2>&1 | _filter_qemu_io | _filter_testdir +$QEMU_IO -c "open -odata-file.filename=inexistent $TEST_IMG" -c "read -P 0 0 64k" 2>&1 | _filter_qemu_io | _filter_testdir + +echo +echo "=== Conflicting features ===" +echo + +echo "Convert to compressed target with data file:" +TEST_IMG="$TEST_IMG.src" _make_test_img 64M + +$QEMU_IO -c 'write -P 0x11 0 1M' \ + -f $IMGFMT "$TEST_IMG.src" | + _filter_qemu_io + +$QEMU_IMG convert -f $IMGFMT -O $IMGFMT -c -odata_file="$TEST_IMG.data" \ + "$TEST_IMG.src" "$TEST_IMG" + +echo +echo "Convert uncompressed, then write compressed data manually:" +$QEMU_IMG convert -f $IMGFMT -O $IMGFMT -odata_file="$TEST_IMG.data" \ + "$TEST_IMG.src" "$TEST_IMG" +$QEMU_IMG compare "$TEST_IMG.src" "$TEST_IMG" + +$QEMU_IO -c 'write -c -P 0x22 0 1M' \ + -f $IMGFMT "$TEST_IMG" | + _filter_qemu_io +_check_test_img + +echo +echo "Take an internal snapshot:" + +$QEMU_IMG snapshot -c test "$TEST_IMG" +_check_test_img + +echo +echo "=== Standalone image with external data file (efficient) ===" +echo + +IMGOPTS="data_file=$TEST_IMG.data" _make_test_img 64M + +echo -n "qcow2 file size before I/O: " +du -b $TEST_IMG | cut -f1 + +# Create image with the following layout +# 0-1 MB: Unallocated +# 1-2 MB: Written (pattern 0x11) +# 2-3 MB: Discarded +# 3-4 MB: Zero write over discarded space +# 4-5 MB: Zero write over written space +# 5-6 MB: Zero write over unallocated space + +echo +$QEMU_IO -c 'write -P 0x11 1M 4M' \ + -c 'discard 2M 2M' \ + -c 'write -z 3M 3M' \ + -f $IMGFMT "$TEST_IMG" | + _filter_qemu_io +_check_test_img + +echo +$QEMU_IMG map --output=json "$TEST_IMG" + +echo +$QEMU_IO -c 'read -P 0 0 1M' \ + -c 'read -P 0x11 1M 1M' \ + -c 'read -P 0 2M 4M' \ + -f $IMGFMT "$TEST_IMG" | + _filter_qemu_io + +# Zero clusters are only marked as such in the qcow2 metadata, but contain +# stale data in the external data file +echo +$QEMU_IO -c 'read -P 0 0 1M' \ + -c 'read -P 0x11 1M 1M' \ + -c 'read -P 0 2M 2M' \ + -c 'read -P 0x11 4M 1M' \ + -c 'read -P 0 5M 1M' \ + -f raw "$TEST_IMG.data" | + _filter_qemu_io + + +echo -n "qcow2 file size after I/O: " +du -b $TEST_IMG | cut -f1 + +echo +echo "=== Standalone image with external data file (valid raw) ===" +echo + +IMGOPTS="data_file=$TEST_IMG.data,data_file_raw=on" _make_test_img 64M + +echo -n "qcow2 file size before I/O: " +du -b $TEST_IMG | cut -f1 + +echo +$QEMU_IO -c 'write -P 0x11 1M 4M' \ + -c 'discard 2M 2M' \ + -c 'write -z 3M 3M' \ + -f $IMGFMT "$TEST_IMG" | + _filter_qemu_io +_check_test_img + +echo +$QEMU_IMG map --output=json "$TEST_IMG" + +echo +$QEMU_IO -c 'read -P 0 0 1M' \ + -c 'read -P 0x11 1M 1M' \ + -c 'read -P 0 2M 4M' \ + -f $IMGFMT "$TEST_IMG" | + _filter_qemu_io + +echo +$QEMU_IMG compare "$TEST_IMG" "$TEST_IMG.data" + +echo -n "qcow2 file size after I/O: " +du -b $TEST_IMG | cut -f1 + +echo +echo "=== bdrv_co_block_status test for file and offset=0 ===" +echo + +IMGOPTS="data_file=$TEST_IMG.data" _make_test_img 64M + +$QEMU_IO -c 'write -P 0x11 0 1M' -f $IMGFMT "$TEST_IMG" | _filter_qemu_io +$QEMU_IO -c 'read -P 0x11 0 1M' -f $IMGFMT "$TEST_IMG" | _filter_qemu_io +$QEMU_IMG map --output=human "$TEST_IMG" | _filter_testdir +$QEMU_IMG map --output=json "$TEST_IMG" + +# success, all done +echo "*** done" +rm -f $seq.full +status=0 |