xref: /openbmc/qemu/tests/qemu-iotests/181 (revision 795c40b8)
1#!/bin/bash
2#
3# Test postcopy live migration with shared storage
4#
5# Copyright (C) 2017 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=kwolf@redhat.com
23
24seq=`basename $0`
25echo "QA output created by $seq"
26
27here=`pwd`
28status=1	# failure is the default!
29
30MIG_SOCKET="${TEST_DIR}/migrate"
31
32_cleanup()
33{
34    rm -f "${MIG_SOCKET}"
35	_cleanup_test_img
36    _cleanup_qemu
37}
38trap "_cleanup; exit \$status" 0 1 2 3 15
39
40# get standard environment, filters and checks
41. ./common.rc
42. ./common.filter
43. ./common.qemu
44
45_supported_fmt generic
46_supported_proto generic
47_supported_os Linux
48
49size=64M
50_make_test_img $size
51
52echo
53echo === Starting VMs ===
54echo
55
56qemu_comm_method="monitor"
57
58_launch_qemu \
59    -drive file="${TEST_IMG}",cache=${CACHEMODE},driver=$IMGFMT,id=disk
60src=$QEMU_HANDLE
61
62_launch_qemu \
63    -drive file="${TEST_IMG}",cache=${CACHEMODE},driver=$IMGFMT,id=disk \
64    -incoming "unix:${MIG_SOCKET}"
65dest=$QEMU_HANDLE
66
67echo
68echo === Write something on the source ===
69echo
70
71silent=
72_send_qemu_cmd $src 'qemu-io disk "write -P 0x55 0 64k"' "(qemu)"
73_send_qemu_cmd $src "" "ops/sec"
74_send_qemu_cmd $src 'qemu-io disk "read -P 0x55 0 64k"' "(qemu)"
75_send_qemu_cmd $src "" "ops/sec"
76
77echo
78echo === Do postcopy migration to destination ===
79echo
80
81# Slow down migration so much that it definitely won't finish before we can
82# switch to postcopy
83silent=yes
84_send_qemu_cmd $src 'migrate_set_speed 4k' "(qemu)"
85_send_qemu_cmd $src 'migrate_set_capability postcopy-ram on' "(qemu)"
86_send_qemu_cmd $src "migrate -d unix:${MIG_SOCKET}" "(qemu)"
87_send_qemu_cmd $src 'migrate_start_postcopy' "(qemu)"
88
89QEMU_COMM_TIMEOUT=1 qemu_cmd_repeat=10 silent=yes \
90    _send_qemu_cmd $src "info migrate" "completed\|failed"
91silent=yes _send_qemu_cmd $src "" "(qemu)"
92
93echo
94echo === Do some I/O on the destination ===
95echo
96
97# It is important that we use the BlockBackend of the guest device here instead
98# of the node name, which would create a new BlockBackend and not test whether
99# the guest has the necessary permissions to access the image now
100silent=
101_send_qemu_cmd $dest 'qemu-io disk "read -P 0x55 0 64k"' "(qemu)"
102_send_qemu_cmd $dest "" "ops/sec"
103_send_qemu_cmd $dest 'qemu-io disk "write -P 0x66 1M 64k"' "(qemu)"
104_send_qemu_cmd $dest "" "ops/sec"
105
106echo
107echo === Shut down and check image ===
108echo
109
110_send_qemu_cmd $src 'quit' ""
111_send_qemu_cmd $dest 'quit' ""
112wait=1 _cleanup_qemu
113
114_check_test_img
115
116# success, all done
117echo "*** done"
118rm -f $seq.full
119status=0
120