xref: /openbmc/qemu/tests/qemu-iotests/301 (revision 7d87775f)
1#!/usr/bin/env bash
2# group: backing quick
3#
4# Test qcow backing file warnings
5#
6# Copyright (C) 2020-2021 Red Hat, Inc.
7#
8# This program is free software; you can redistribute it and/or modify
9# it under the terms of the GNU General Public License as published by
10# the Free Software Foundation; either version 2 of the License, or
11# (at your option) any later version.
12#
13# This program is distributed in the hope that it will be useful,
14# but WITHOUT ANY WARRANTY; without even the implied warranty of
15# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16# GNU General Public License for more details.
17#
18# You should have received a copy of the GNU General Public License
19# along with this program.  If not, see <http://www.gnu.org/licenses/>.
20#
21
22seq=`basename $0`
23echo "QA output created by $seq"
24
25status=1 # failure is the default!
26
27_cleanup()
28{
29    _cleanup_test_img
30    _rm_test_img "$TEST_IMG.qcow2"
31}
32trap "_cleanup; exit \$status" 0 1 2 3 15
33
34# get standard environment, filters and checks
35. ./common.rc
36. ./common.filter
37
38_supported_fmt qcow
39_supported_proto file
40_supported_os Linux
41
42size=32M
43
44echo
45echo "== qcow backed by qcow =="
46
47TEST_IMG="$TEST_IMG.base" _make_test_img $size
48_make_test_img -b "$TEST_IMG.base" $size
49_make_test_img -b "$TEST_IMG.base" -F $IMGFMT $size
50_img_info
51
52echo
53echo "== mismatched command line detection =="
54
55_make_test_img -b "$TEST_IMG.base" -F vmdk
56_make_test_img -b "$TEST_IMG.base" -F vmdk $size
57echo
58# Use of -u bypasses the backing format sanity check
59_make_test_img -u -b "$TEST_IMG.base" -F vmdk
60_make_test_img -u -b "$TEST_IMG.base" -F vmdk $size
61echo
62# But the format must still be recognized
63_make_test_img -b "$TEST_IMG.base" -F garbage $size
64_make_test_img -u -b "$TEST_IMG.base" -F garbage $size
65_img_info
66
67echo
68echo "== qcow backed by raw =="
69
70rm "$TEST_IMG.base"
71truncate --size=$size "$TEST_IMG.base"
72_make_test_img -b "$TEST_IMG.base" $size
73_make_test_img -b "$TEST_IMG.base" -F raw $size
74_img_info
75
76echo
77echo "== commit cannot change type of raw backing file =="
78TEST_IMG="$TEST_IMG.qcow2" IMGFMT=qcow2 _make_test_img $size
79truncate --size=$size "$TEST_IMG.qcow2"
80$QEMU_IMG convert -n -f raw -O $IMGFMT "$TEST_IMG.qcow2" "$TEST_IMG"
81$QEMU_IMG commit -f $IMGFMT "$TEST_IMG" && echo "unexpected success"
82TEST_IMG="$TEST_IMG.base" _img_info
83
84# success, all done
85echo "*** done"
86rm -f $seq.full
87status=0
88