xref: /openbmc/qemu/tests/qemu-iotests/301 (revision 812b31d3)
1#!/usr/bin/env bash
2# group: backing quick
3#
4# Test qcow backing file warnings
5#
6# Copyright (C) 2020 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" $size
49_img_info
50_make_test_img -b "$TEST_IMG.base" -F $IMGFMT $size
51_img_info
52
53echo
54echo "== mismatched command line detection =="
55
56_make_test_img -b "$TEST_IMG.base" -F vmdk
57_make_test_img -b "$TEST_IMG.base" -F vmdk $size
58echo
59# Use of -u bypasses the backing format sanity check
60_make_test_img -u -b "$TEST_IMG.base" -F vmdk
61_make_test_img -u -b "$TEST_IMG.base" -F vmdk $size
62echo
63# But the format must still be recognized
64_make_test_img -b "$TEST_IMG.base" -F garbage $size
65_make_test_img -u -b "$TEST_IMG.base" -F garbage $size
66_img_info
67
68echo
69echo "== qcow backed by raw =="
70
71rm "$TEST_IMG.base"
72truncate --size=$size "$TEST_IMG.base"
73_make_test_img -b "$TEST_IMG.base" $size
74_img_info
75_make_test_img -b "$TEST_IMG.base" -F raw $size
76_img_info
77
78echo
79echo "== commit cannot change type of raw backing file =="
80TEST_IMG="$TEST_IMG.qcow2" IMGFMT=qcow2 _make_test_img $size
81truncate --size=$size "$TEST_IMG.qcow2"
82$QEMU_IMG convert -n -f raw -O $IMGFMT "$TEST_IMG.qcow2" "$TEST_IMG"
83$QEMU_IMG commit -f $IMGFMT "$TEST_IMG" && echo "unexpected success"
84TEST_IMG="$TEST_IMG.base" _img_info
85
86# success, all done
87echo "*** done"
88rm -f $seq.full
89status=0
90