1#!/usr/bin/env bash
2#
3# Test qcow backing file warnings
4#
5# Copyright (C) 2020 Red Hat, Inc.
6#
7# This program is free software; you can redistribute it and/or modify
8# it under the terms of the GNU General Public License as published by
9# the Free Software Foundation; either version 2 of the License, or
10# (at your option) any later version.
11#
12# This program is distributed in the hope that it will be useful,
13# but WITHOUT ANY WARRANTY; without even the implied warranty of
14# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15# GNU General Public License for more details.
16#
17# You should have received a copy of the GNU General Public License
18# along with this program.  If not, see <http://www.gnu.org/licenses/>.
19#
20
21seq=`basename $0`
22echo "QA output created by $seq"
23
24status=1 # failure is the default!
25
26_cleanup()
27{
28    _cleanup_test_img
29    _rm_test_img "$TEST_IMG.qcow2"
30}
31trap "_cleanup; exit \$status" 0 1 2 3 15
32
33# get standard environment, filters and checks
34. ./common.rc
35. ./common.filter
36
37_supported_fmt qcow
38_supported_proto file
39_supported_os Linux
40
41size=32M
42
43echo
44echo "== qcow backed by qcow =="
45
46TEST_IMG="$TEST_IMG.base" _make_test_img $size
47_make_test_img -b "$TEST_IMG.base" $size
48_img_info
49_make_test_img -b "$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" $size
73_img_info
74_make_test_img -b "$TEST_IMG.base" -F raw $size
75_img_info
76
77echo
78echo "== commit cannot change type of raw backing file =="
79TEST_IMG="$TEST_IMG.qcow2" IMGFMT=qcow2 _make_test_img $size
80truncate --size=$size "$TEST_IMG.qcow2"
81$QEMU_IMG convert -n -f raw -O $IMGFMT "$TEST_IMG.qcow2" "$TEST_IMG"
82$QEMU_IMG commit -f $IMGFMT "$TEST_IMG" && echo "unexpected success"
83TEST_IMG="$TEST_IMG.base" _img_info
84
85# success, all done
86echo "*** done"
87rm -f $seq.full
88status=0
89