1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
|
#!/usr/bin/env bash
# group: rw auto migration quick
#
# Test postcopy live migration with shared storage
#
# Copyright (C) 2017 Red Hat, Inc.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
# creator
owner=kwolf@redhat.com
seq=`basename $0`
echo "QA output created by $seq"
status=1 # failure is the default!
MIG_SOCKET="${SOCK_DIR}/migrate"
_cleanup()
{
rm -f "${MIG_SOCKET}"
_cleanup_test_img
_cleanup_qemu
}
trap "_cleanup; exit \$status" 0 1 2 3 15
# get standard environment, filters and checks
. ./common.rc
. ./common.filter
. ./common.qemu
_supported_fmt generic
# Formats that do not support live migration
_unsupported_fmt qcow vdi vhdx vmdk vpc vvfat parallels
_supported_proto generic
_supported_os Linux
size=64M
_make_test_img $size
echo
echo === Starting VMs ===
echo
qemu_comm_method="monitor"
if [ "$IMGOPTSSYNTAX" = "true" ]; then
_launch_qemu \
-drive "${TEST_IMG}",cache=${CACHEMODE},aio=$AIOMODE,id=disk
else
_launch_qemu \
-drive file="${TEST_IMG}",cache=${CACHEMODE},aio=$AIOMODE,driver=$IMGFMT,id=disk
fi
src=$QEMU_HANDLE
if [ "$IMGOPTSSYNTAX" = "true" ]; then
_launch_qemu \
-drive "${TEST_IMG}",cache=${CACHEMODE},aio=$AIOMODE,id=disk \
-incoming "unix:${MIG_SOCKET}"
else
_launch_qemu \
-drive file="${TEST_IMG}",cache=${CACHEMODE},aio=$AIOMODE,driver=$IMGFMT,id=disk \
-incoming "unix:${MIG_SOCKET}"
fi
dest=$QEMU_HANDLE
echo
echo === Write something on the source ===
echo
silent=
_send_qemu_cmd $src 'qemu-io disk "write -P 0x55 0 64k"' "(qemu)"
_send_qemu_cmd $src "" "ops/sec"
_send_qemu_cmd $src 'qemu-io disk "read -P 0x55 0 64k"' "(qemu)"
_send_qemu_cmd $src "" "ops/sec"
echo
echo === Do postcopy migration to destination ===
echo
# Slow down migration so much that it definitely won't finish before we can
# switch to postcopy
# Enable postcopy-ram capability both on source and destination
silent=yes
_send_qemu_cmd $dest 'migrate_set_capability postcopy-ram on' "(qemu)"
qemu_error_no_exit=yes success_or_failure=yes \
_send_qemu_cmd $dest '' "(qemu)" "Postcopy is not supported"
if [ ${QEMU_STATUS[$dest]} -lt 0 ]; then
_send_qemu_cmd $dest '' "(qemu)"
_send_qemu_cmd $src 'quit' ""
_send_qemu_cmd $dest 'quit' ""
wait=1 _cleanup_qemu
_notrun 'Postcopy is not supported'
fi
_send_qemu_cmd $src 'migrate_set_parameter max-bandwidth 4k' "(qemu)"
_send_qemu_cmd $src 'migrate_set_capability postcopy-ram on' "(qemu)"
_send_qemu_cmd $src "migrate -d unix:${MIG_SOCKET}" "(qemu)"
_send_qemu_cmd $src 'migrate_start_postcopy' "(qemu)"
QEMU_COMM_TIMEOUT=1 qemu_cmd_repeat=10 silent=yes \
_send_qemu_cmd $src "info migrate" "completed\|failed"
silent=yes _send_qemu_cmd $src "" "(qemu)"
echo
echo === Do some I/O on the destination ===
echo
# It is important that we use the BlockBackend of the guest device here instead
# of the node name, which would create a new BlockBackend and not test whether
# the guest has the necessary permissions to access the image now
silent=
_send_qemu_cmd $dest 'qemu-io disk "read -P 0x55 0 64k"' "(qemu)"
_send_qemu_cmd $dest "" "ops/sec"
_send_qemu_cmd $dest 'qemu-io disk "write -P 0x66 1M 64k"' "(qemu)"
_send_qemu_cmd $dest "" "ops/sec"
echo
echo === Shut down and check image ===
echo
_send_qemu_cmd $src 'quit' ""
_send_qemu_cmd $dest 'quit' ""
wait=1 _cleanup_qemu
_check_test_img
# success, all done
echo "*** done"
rm -f $seq.full
status=0
|
