xref: /qemu/tests/qemu-iotests/173 (revision 37677d7d) 
1#!/usr/bin/env bash
2#
3# Test QAPI commands looking up protocol based images with relative
4# filename backing strings
5#
6# Copyright (C) 2017 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# creator
22owner=jcody@redhat.com
23
24seq=`basename $0`
25echo "QA output created by $seq"
26
27status=1    # failure is the default!
28
29_cleanup()
30{
31    _cleanup_qemu
32    rm  -f "${QEMU_TEST_DIR}/image.base" "${QEMU_TEST_DIR}/image.snp1"
33    _cleanup_test_img
34}
35trap "_cleanup; exit \$status" 0 1 2 3 15
36
37# get standard environment, filters and checks
38. ./common.rc
39. ./common.filter
40. ./common.qemu
41
42_supported_fmt qcow2
43_supported_proto nfs
44
45size=100M
46
47BASE_IMG="${TEST_DIR}/image.base"
48TOP_IMG="${TEST_DIR}/image.snp1"
49
50TEST_IMG="${BASE_IMG}" _make_test_img $size
51
52TEST_IMG="${TOP_IMG}" _make_test_img $size
53
54echo
55echo === Running QEMU, using block-stream to find backing image ===
56echo
57
58qemu_comm_method="qmp"
59_launch_qemu -drive file="${BASE_IMG}",if=virtio,id=disk2
60h=$QEMU_HANDLE
61
62_send_qemu_cmd $h "{ 'execute': 'qmp_capabilities' }" "return"
63
64_send_qemu_cmd $h "{ 'arguments': {
65                        'device': 'disk2',
66                        'format': '${IMGFMT}',
67                        'mode': 'existing',
68                        'snapshot-file': '${TOP_IMG}',
69                        'snapshot-node-name': 'snp1'
70                     },
71                     'execute': 'blockdev-snapshot-sync'
72                   }" "return"
73
74
75_send_qemu_cmd $h "{ 'arguments': {
76                        'backing-file': 'image.base',
77                        'device': 'disk2',
78                        'image-node-name': 'snp1'
79                     },
80                     'execute': 'change-backing-file'
81                   }" "return"
82
83_send_qemu_cmd $h "{ 'arguments': {
84                        'base': '${BASE_IMG}',
85                        'device': 'disk2'
86                      },
87                      'execute': 'block-stream'
88                   }" "BLOCK_JOB_COMPLETED"
89
90_cleanup_qemu
91
92# success, all done
93echo "*** done"
94rm -f $seq.full
95status=0
96