]> git.proxmox.com Git - qemu.git/blame - tests/qemu-iotests/043
hw/pci-host/versatile.c: Update autodetect to detect newer kernels
[qemu.git] / tests / qemu-iotests / 043
CommitLineData
514d9da5
SH
1#!/bin/bash
2#
3# Test that qemu-img info --backing-chain detects infinite loops
4#
5# Copyright (C) 2012 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
21# creator
22owner=stefanha@redhat.com
23
24seq=`basename $0`
25echo "QA output created by $seq"
26
27here=`pwd`
28tmp=/tmp/$$
29status=1 # failure is the default!
30
31_cleanup()
32{
33 _cleanup_test_img
34 rm -f $TEST_IMG.[123].base
35}
36trap "_cleanup; exit \$status" 0 1 2 3 15
37
38# get standard environment, filters and checks
39. ./common.rc
40. ./common.filter
41
42# Any format supporting backing files
dbcdd7cb 43_supported_fmt qcow2 qed
514d9da5
SH
44_supported_proto generic
45_supported_os Linux
46
47
48size=128M
49_make_test_img $size
50$QEMU_IMG rebase -u -b $TEST_IMG $TEST_IMG
51
52echo
53echo "== backing file references self =="
54_img_info --backing-chain
55
56_make_test_img $size
57mv $TEST_IMG $TEST_IMG.base
58_make_test_img -b $TEST_IMG.base $size
59$QEMU_IMG rebase -u -b $TEST_IMG $TEST_IMG.base
60
61echo
62echo "== parent references self =="
63_img_info --backing-chain
64
65_make_test_img $size
66mv $TEST_IMG $TEST_IMG.1.base
67_make_test_img -b $TEST_IMG.1.base $size
68mv $TEST_IMG $TEST_IMG.2.base
69_make_test_img -b $TEST_IMG.2.base $size
70mv $TEST_IMG $TEST_IMG.3.base
71_make_test_img -b $TEST_IMG.3.base $size
72$QEMU_IMG rebase -u -b $TEST_IMG.2.base $TEST_IMG.1.base
73
74echo
75echo "== ancestor references another ancestor =="
76_img_info --backing-chain
77
78_make_test_img $size
79mv $TEST_IMG $TEST_IMG.1.base
80_make_test_img -b $TEST_IMG.1.base $size
81mv $TEST_IMG $TEST_IMG.2.base
82_make_test_img -b $TEST_IMG.2.base $size
83
84echo
85echo "== finite chain of length 3 (human) =="
86_img_info --backing-chain
87
88echo
89echo "== finite chain of length 3 (json) =="
90_img_info --backing-chain --output=json
91
92# success, all done
93echo "*** done"
94rm -f $seq.full
95status=0