xref: /qemu/tests/qemu-iotests/183 (revision 727385c4)
1#!/usr/bin/env bash
2# group: rw migration quick
3#
4# Test old-style block migration (migrate -b)
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
22# creator
23owner=kwolf@redhat.com
24
25seq=`basename $0`
26echo "QA output created by $seq"
27
28status=1 # failure is the default!
29
30MIG_SOCKET="${SOCK_DIR}/migrate"
31
32_cleanup()
33{
34    rm -f "${MIG_SOCKET}"
35    _rm_test_img "${TEST_IMG}.dest"
36    _cleanup_test_img
37    _cleanup_qemu
38}
39trap "_cleanup; exit \$status" 0 1 2 3 15
40
41# get standard environment, filters and checks
42. ./common.rc
43. ./common.filter
44. ./common.qemu
45
46_supported_os Linux FreeBSD NetBSD
47_supported_fmt qcow2 raw qed quorum
48_supported_proto file fuse
49
50size=64M
51_make_test_img $size
52TEST_IMG="${TEST_IMG}.dest" _make_test_img $size
53
54echo
55echo === Starting VMs ===
56echo
57
58qemu_comm_method="qmp"
59
60_launch_qemu \
61    -drive file="${TEST_IMG}",cache=$CACHEMODE,aio=$AIOMODE,driver=$IMGFMT,id=disk
62src=$QEMU_HANDLE
63_send_qemu_cmd $src "{ 'execute': 'qmp_capabilities' }" 'return'
64
65_launch_qemu \
66    -drive file="${TEST_IMG}.dest",cache=$CACHEMODE,aio=$AIOMODE,driver=$IMGFMT,id=disk \
67    -incoming "unix:${MIG_SOCKET}"
68dest=$QEMU_HANDLE
69_send_qemu_cmd $dest "{ 'execute': 'qmp_capabilities' }" 'return'
70
71echo
72echo === Write something on the source ===
73echo
74
75_send_qemu_cmd $src \
76    "{ 'execute': 'human-monitor-command',
77       'arguments': { 'command-line':
78                      'qemu-io disk \"write -P 0x55 0 64k\"' } }" \
79    'return'
80_send_qemu_cmd $src \
81    "{ 'execute': 'human-monitor-command',
82       'arguments': { 'command-line':
83                      'qemu-io disk \"read -P 0x55 0 64k\"' } }" \
84    'return'
85
86echo
87echo === Do block migration to destination ===
88echo
89
90reply="$(_send_qemu_cmd $src \
91    "{ 'execute': 'migrate',
92       'arguments': { 'uri': 'unix:${MIG_SOCKET}', 'blk': true } }" \
93    'return\|error')"
94echo "$reply"
95if echo "$reply" | grep "compiled without old-style" > /dev/null; then
96    _notrun "migrate -b support not compiled in"
97fi
98
99timeout_comm=$QEMU_COMM_TIMEOUT
100if [ "${VALGRIND_QEMU}" == "y" ]; then
101    QEMU_COMM_TIMEOUT=4
102else
103    QEMU_COMM_TIMEOUT=0.1
104fi
105qemu_cmd_repeat=50 silent=yes \
106    _send_qemu_cmd $src "{ 'execute': 'query-migrate' }" '"status": "completed"'
107QEMU_COMM_TIMEOUT=$timeout_comm
108_send_qemu_cmd $src "{ 'execute': 'query-status' }" "return"
109
110echo
111echo === Do some I/O on the destination ===
112echo
113
114# It is important that we use the BlockBackend of the guest device here instead
115# of the node name, which would create a new BlockBackend and not test whether
116# the guest has the necessary permissions to access the image now
117silent=yes _send_qemu_cmd $dest "" "100 %"
118_send_qemu_cmd $dest "{ 'execute': 'query-status' }" "return"
119_send_qemu_cmd $dest \
120    "{ 'execute': 'human-monitor-command',
121       'arguments': { 'command-line':
122                      'qemu-io disk \"read -P 0x55 0 64k\"' } }" \
123    'return'
124_send_qemu_cmd $dest \
125    "{ 'execute': 'human-monitor-command',
126       'arguments': { 'command-line':
127                      'qemu-io disk \"write -P 0x66 1M 64k\"' } }" \
128    'return'
129
130echo
131echo === Shut down and check image ===
132echo
133
134_send_qemu_cmd $src '{"execute":"quit"}' 'return'
135_send_qemu_cmd $dest '{"execute":"quit"}' 'return'
136wait=1 _cleanup_qemu
137
138_check_test_img
139TEST_IMG="${TEST_IMG}.dest" _check_test_img
140
141$QEMU_IO -c 'write -P 0x66 1M 64k' "$TEST_IMG" | _filter_qemu_io
142$QEMU_IMG compare "$TEST_IMG.dest" "$TEST_IMG"
143
144# success, all done
145echo "*** done"
146rm -f $seq.full
147status=0
148