xref: /openbmc/qemu/tests/qemu-iotests/181 (revision 9d49b1c9edf829e571093088ddff0b73db3110c6)
1 #!/usr/bin/env bash
2 # group: rw auto migration quick
3 #
4 # Test postcopy live migration with shared storage
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
23 owner=kwolf@redhat.com
24 
25 seq=`basename $0`
26 echo "QA output created by $seq"
27 
28 status=1	# failure is the default!
29 
30 MIG_SOCKET="${SOCK_DIR}/migrate"
31 
32 _cleanup()
33 {
34     rm -f "${MIG_SOCKET}"
35 	_cleanup_test_img
36     _cleanup_qemu
37 }
38 trap "_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 # Formats that do not support live migration
47 _unsupported_fmt qcow vdi vhdx vmdk vpc vvfat parallels
48 _supported_proto generic
49 _supported_os Linux
50 
51 size=64M
52 _make_test_img $size
53 
54 echo
55 echo === Starting VMs ===
56 echo
57 
58 qemu_comm_method="monitor"
59 
60 if [ "$IMGOPTSSYNTAX" = "true" ]; then
61     _launch_qemu \
62         -drive "${TEST_IMG}",cache=${CACHEMODE},aio=$AIOMODE,id=disk
63 else
64     _launch_qemu \
65         -drive file="${TEST_IMG}",cache=${CACHEMODE},aio=$AIOMODE,driver=$IMGFMT,id=disk
66 fi
67 src=$QEMU_HANDLE
68 
69 if [ "$IMGOPTSSYNTAX" = "true" ]; then
70     _launch_qemu \
71         -drive "${TEST_IMG}",cache=${CACHEMODE},aio=$AIOMODE,id=disk \
72         -incoming "unix:${MIG_SOCKET}"
73 else
74     _launch_qemu \
75         -drive file="${TEST_IMG}",cache=${CACHEMODE},aio=$AIOMODE,driver=$IMGFMT,id=disk \
76         -incoming "unix:${MIG_SOCKET}"
77 fi
78 dest=$QEMU_HANDLE
79 
80 echo
81 echo === Write something on the source ===
82 echo
83 
84 silent=
85 _send_qemu_cmd $src 'qemu-io disk "write -P 0x55 0 64k"' "(qemu)"
86 _send_qemu_cmd $src "" "ops/sec"
87 _send_qemu_cmd $src 'qemu-io disk "read -P 0x55 0 64k"' "(qemu)"
88 _send_qemu_cmd $src "" "ops/sec"
89 
90 echo
91 echo === Do postcopy migration to destination ===
92 echo
93 
94 # Slow down migration so much that it definitely won't finish before we can
95 # switch to postcopy
96 # Enable postcopy-ram capability both on source and destination
97 silent=yes
98 _send_qemu_cmd $dest 'migrate_set_capability postcopy-ram on' "(qemu)"
99 
100 qemu_error_no_exit=yes success_or_failure=yes \
101     _send_qemu_cmd $dest '' "(qemu)" "Postcopy is not supported"
102 if [ ${QEMU_STATUS[$dest]} -lt 0 ]; then
103     _send_qemu_cmd $dest '' "(qemu)"
104 
105     _send_qemu_cmd $src 'quit' ""
106     _send_qemu_cmd $dest 'quit' ""
107     wait=1 _cleanup_qemu
108 
109     _notrun 'Postcopy is not supported'
110 fi
111 
112 _send_qemu_cmd $src 'migrate_set_parameter max-bandwidth 4k' "(qemu)"
113 _send_qemu_cmd $src 'migrate_set_capability postcopy-ram on' "(qemu)"
114 _send_qemu_cmd $src "migrate -d unix:${MIG_SOCKET}" "(qemu)"
115 _send_qemu_cmd $src 'migrate_start_postcopy' "(qemu)"
116 
117 QEMU_COMM_TIMEOUT=1 qemu_cmd_repeat=10 silent=yes \
118     _send_qemu_cmd $src "info migrate" "completed\|failed"
119 silent=yes _send_qemu_cmd $src "" "(qemu)"
120 
121 echo
122 echo === Do some I/O on the destination ===
123 echo
124 
125 # It is important that we use the BlockBackend of the guest device here instead
126 # of the node name, which would create a new BlockBackend and not test whether
127 # the guest has the necessary permissions to access the image now
128 silent=
129 _send_qemu_cmd $dest 'qemu-io disk "read -P 0x55 0 64k"' "(qemu)"
130 _send_qemu_cmd $dest "" "ops/sec"
131 _send_qemu_cmd $dest 'qemu-io disk "write -P 0x66 1M 64k"' "(qemu)"
132 _send_qemu_cmd $dest "" "ops/sec"
133 
134 echo
135 echo === Shut down and check image ===
136 echo
137 
138 _send_qemu_cmd $src 'quit' ""
139 _send_qemu_cmd $dest 'quit' ""
140 wait=1 _cleanup_qemu
141 
142 _check_test_img
143 
144 # success, all done
145 echo "*** done"
146 rm -f $seq.full
147 status=0
148