qemu/tests/qemu-iotests/198
Alberto Garcia 7be2025258 qcow2: Add the 'extended_l2' option and the QCOW2_INCOMPAT_EXTL2 bit
Now that the implementation of subclusters is complete we can finally
add the necessary options to create and read images with this feature,
which we call "extended L2 entries".

Signed-off-by: Alberto Garcia <berto@igalia.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Message-Id: <6476caaa73216bd05b7bb2d504a20415e1665176.1594396418.git.berto@igalia.com>
[mreitz: %s/5\.1/5.2/; fixed 302's and 303's reference output]
Signed-off-by: Max Reitz <mreitz@redhat.com>
2020-08-25 09:19:55 +02:00

113 lines
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#!/usr/bin/env bash
#
# Test commit of encrypted qcow2 files
#
# Copyright (C) 2017 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=berrange@redhat.com
seq=`basename $0`
echo "QA output created by $seq"
status=1 # failure is the default!
_cleanup()
{
_cleanup_test_img
}
trap "_cleanup; exit \$status" 0 1 2 3 15
# get standard environment, filters and checks
. ./common.rc
. ./common.filter
_supported_fmt qcow2
_supported_proto generic
_supported_os Linux
_require_working_luks
size=16M
TEST_IMG_BASE=$TEST_IMG.base
SECRET0="secret,id=sec0,data=astrochicken"
SECRET1="secret,id=sec1,data=furby"
TEST_IMG_SAVE=$TEST_IMG
TEST_IMG=$TEST_IMG_BASE
echo "== create base =="
_make_test_img --object $SECRET0 -o "encrypt.format=luks,encrypt.key-secret=sec0,encrypt.iter-time=10" $size
TEST_IMG=$TEST_IMG_SAVE
IMGSPECBASE="driver=$IMGFMT,file.filename=$TEST_IMG_BASE,encrypt.key-secret=sec0"
IMGSPECLAYER="driver=$IMGFMT,file.filename=$TEST_IMG,encrypt.key-secret=sec1"
IMGSPEC="$IMGSPECLAYER,backing.driver=$IMGFMT,backing.file.filename=$TEST_IMG_BASE,backing.encrypt.key-secret=sec0"
QEMU_IO_OPTIONS=$QEMU_IO_OPTIONS_NO_FMT
echo
echo "== writing whole image base =="
$QEMU_IO --object $SECRET0 -c "write -P 0xa 0 $size" --image-opts $IMGSPECBASE | _filter_qemu_io | _filter_testdir
echo "== create overlay =="
_make_test_img --object $SECRET1 -o "encrypt.format=luks,encrypt.key-secret=sec1,encrypt.iter-time=10" -u -b "$TEST_IMG_BASE" -F $IMGFMT $size
echo
echo "== writing whole image layer =="
$QEMU_IO --object $SECRET0 --object $SECRET1 -c "write -P 0x9 0 $size" --image-opts $IMGSPEC | _filter_qemu_io | _filter_testdir
echo
echo "== verify pattern base =="
$QEMU_IO --object $SECRET0 -c "read -P 0xa 0 $size" --image-opts $IMGSPECBASE | _filter_qemu_io | _filter_testdir
echo
echo "== verify pattern layer =="
$QEMU_IO --object $SECRET0 --object $SECRET1 -c "read -P 0x9 0 $size" --image-opts $IMGSPEC | _filter_qemu_io | _filter_testdir
echo
echo "== committing layer into base =="
$QEMU_IMG commit --object $SECRET0 --object $SECRET1 --image-opts $IMGSPEC | _filter_testdir
echo
echo "== verify pattern base =="
$QEMU_IO --object $SECRET0 -c "read -P 0x9 0 $size" --image-opts $IMGSPECBASE | _filter_qemu_io | _filter_testdir
echo
echo "== verify pattern layer =="
$QEMU_IO --object $SECRET0 --object $SECRET1 -c "read -P 0x9 0 $size" --image-opts $IMGSPEC | _filter_qemu_io | _filter_testdir
echo
echo "== checking image base =="
$QEMU_IMG info --image-opts $IMGSPECBASE | _filter_img_info --format-specific \
| sed -e "/^disk size:/ D" -e '/refcount bits:/ D' -e '/compat:/ D' \
-e '/lazy refcounts:/ D' -e '/corrupt:/ D' -e '/^\s*data file/ D' \
-e '/extended l2:/ D' \
| _filter_json_filename
echo
echo "== checking image layer =="
$QEMU_IMG info --image-opts $IMGSPECLAYER | _filter_img_info --format-specific \
| sed -e "/^disk size:/ D" -e '/refcount bits:/ D' -e '/compat:/ D' \
-e '/lazy refcounts:/ D' -e '/corrupt:/ D' -e '/^\s*data file/ D' \
-e '/extended l2:/ D' \
| _filter_json_filename
# success, all done
echo "*** done"
rm -f $seq.full
status=0