xref: /openbmc/qemu/tests/qemu-iotests/273 (revision 812b31d3)
1#!/usr/bin/env bash
2# group: backing quick
3#
4# Test multiple blockdev-snapshot calls with 'backing': null
5#
6# Copyright (C) 2019 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 $seq"
24
25status=1	# failure is the default!
26
27_cleanup()
28{
29    _cleanup_test_img
30}
31trap "_cleanup; exit \$status" 0 1 2 3 15
32
33# get standard environment, filters and checks
34. ./common.rc
35. ./common.filter
36
37# This is a qcow2 regression test
38_supported_fmt qcow2
39_supported_proto file fuse
40_supported_os Linux
41# External data files would add nodes to the block graph, so it would
42# not match the reference output
43_unsupported_imgopts data_file
44
45do_run_qemu()
46{
47    echo Testing: "$@"
48    $QEMU -nographic -qmp-pretty stdio -nodefaults "$@"
49    echo
50}
51
52run_qemu()
53{
54    do_run_qemu "$@" 2>&1 | _filter_testdir | _filter_qemu | _filter_qmp |
55        _filter_generated_node_ids | _filter_imgfmt |
56        _filter_actual_image_size | _filter_img_info
57}
58
59TEST_IMG="$TEST_IMG.base" _make_test_img 64M
60TEST_IMG="$TEST_IMG.mid" _make_test_img -b "$TEST_IMG.base" -F $IMGFMT
61_make_test_img -b "$TEST_IMG.mid" -F $IMGFMT
62
63run_qemu \
64    -blockdev file,node-name=base,filename="$TEST_IMG.base" \
65     -blockdev file,node-name=midf,filename="$TEST_IMG.mid" \
66     -blockdev '{"driver":"qcow2","node-name":"mid","file":"midf","backing":null}' \
67     -blockdev file,node-name=topf,filename="$TEST_IMG" \
68     -blockdev '{"driver":"qcow2","file":"topf","node-name":"top","backing":null}' \
69<<EOF
70{"execute":"qmp_capabilities"}
71{"execute":"blockdev-snapshot","arguments":{"node":"base","overlay":"mid"}}
72{"execute":"blockdev-snapshot","arguments":{"node":"mid","overlay":"top"}}
73{"execute":"query-named-block-nodes"}
74{"execute":"x-debug-query-block-graph"}
75{"execute":"quit"}
76EOF
77
78# success, all done
79echo "*** done"
80rm -f $seq.full
81status=0
82