| #!/bin/bash |
| # |
| # Test that temporary backing file overrides (on the command line or in |
| # blockdev-add) don't replace the original path stored in the image during |
| # header updates. |
| # |
| # 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 $seq" |
| |
| here="$PWD" |
| tmp=/tmp/$$ |
| 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 |
| . ./common.qemu |
| |
| _supported_fmt qcow2 |
| _supported_proto generic |
| _supported_os Linux |
| |
| qemu_comm_method="monitor" |
| |
| |
| TEST_IMG="$TEST_IMG.orig" _make_test_img 64M |
| TEST_IMG="$TEST_IMG.base" _make_test_img 64M |
| _make_test_img 64M |
| _img_info | _filter_img_info |
| |
| echo |
| echo "=== HMP commit ===" |
| echo |
| # bdrv_make_empty() involves a header update for qcow2 |
| |
| # Test that a backing file isn't written |
| _launch_qemu -drive id=testdisk,file="$TEST_IMG",backing.file.filename="$TEST_IMG.base" |
| _send_qemu_cmd $QEMU_HANDLE "commit testdisk" "(qemu)" |
| _send_qemu_cmd $QEMU_HANDLE '' '(qemu)' |
| _cleanup_qemu |
| _img_info | _filter_img_info |
| |
| # Make sure that if there was a backing file that was just overridden on the |
| # command line, that backing file is retained, with the right format |
| _make_test_img -F raw -b "$TEST_IMG.orig" 64M |
| _launch_qemu -drive id=testdisk,file="$TEST_IMG",backing.file.filename="$TEST_IMG.base",backing.driver=$IMGFMT |
| _send_qemu_cmd $QEMU_HANDLE "commit testdisk" "(qemu)" |
| _send_qemu_cmd $QEMU_HANDLE '' '(qemu)' |
| _cleanup_qemu |
| _img_info | _filter_img_info |
| |
| echo |
| echo "=== Marking image dirty (lazy refcounts) ===" |
| echo |
| |
| # Test that a backing file isn't written |
| _make_test_img 64M |
| $QEMU_IO -c "open -o backing.file.filename=$TEST_IMG.base,lazy-refcounts=on $TEST_IMG" -c "write 0 4k" | _filter_qemu_io |
| _img_info | _filter_img_info |
| |
| # Make sure that if there was a backing file that was just overridden on the |
| # command line, that backing file is retained, with the right format |
| _make_test_img -F raw -b "$TEST_IMG.orig" 64M |
| $QEMU_IO -c "open -o backing.file.filename=$TEST_IMG.base,backing.driver=$IMGFMT,lazy-refcounts=on $TEST_IMG" -c "write 0 4k" | _filter_qemu_io |
| _img_info | _filter_img_info |
| |
| # success, all done |
| echo '*** done' |
| rm -f $seq.full |
| status=0 |
