xref: /openbmc/qemu/tests/qemu-iotests/091 (revision c888f7e0)
1#!/usr/bin/env bash
2#
3# Live migration test
4#
5# Performs a migration from one VM to another via monitor commands
6#
7# Copyright (C) 2014 Red Hat, Inc.
8#
9# This program is free software; you can redistribute it and/or modify
10# it under the terms of the GNU General Public License as published by
11# the Free Software Foundation; either version 2 of the License, or
12# (at your option) any later version.
13#
14# This program is distributed in the hope that it will be useful,
15# but WITHOUT ANY WARRANTY; without even the implied warranty of
16# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17# GNU General Public License for more details.
18#
19# You should have received a copy of the GNU General Public License
20# along with this program.  If not, see <http://www.gnu.org/licenses/>.
21#
22
23# creator
24owner=jcody@redhat.com
25
26seq=`basename $0`
27echo "QA output created by $seq"
28
29status=1    # failure is the default!
30
31MIG_FIFO="${TEST_DIR}/migrate"
32
33_cleanup()
34{
35    rm -f "${MIG_FIFO}"
36    _cleanup_qemu
37    _cleanup_test_img
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_fmt qcow2
47_supported_proto file
48_supported_os Linux
49_supported_cache_modes writethrough none writeback
50_default_cache_mode none writeback
51
52size=1G
53
54_make_test_img $size
55
56mkfifo "${MIG_FIFO}"
57
58echo
59echo === Starting QEMU VM1 ===
60echo
61
62qemu_comm_method="monitor"
63_launch_qemu -drive file="${TEST_IMG}",cache=${CACHEMODE},aio=${AIOMODE},id=disk
64h1=$QEMU_HANDLE
65
66echo
67echo === Starting QEMU VM2 ===
68echo
69_launch_qemu -drive file="${TEST_IMG}",cache=${CACHEMODE},aio=${AIOMODE},id=disk \
70             -incoming "exec: cat '${MIG_FIFO}'"
71h2=$QEMU_HANDLE
72
73echo
74echo === VM 1: Migrate from VM1 to VM2  ===
75echo
76
77silent=yes
78_send_qemu_cmd $h1 'qemu-io disk "write -P 0x22 0 4M"' "(qemu)"
79echo "vm1: qemu-io disk write complete"
80_send_qemu_cmd $h1 "migrate \"exec: cat > '${MIG_FIFO}'\"" "(qemu)"
81echo "vm1: live migration started"
82qemu_cmd_repeat=20 _send_qemu_cmd $h1 "info migrate" "completed"
83echo "vm1: live migration completed"
84
85echo
86echo === VM 2: Post-migration, write to disk, verify running ===
87echo
88
89_send_qemu_cmd $h2 'qemu-io disk "write 4M 1M"' "(qemu)"
90echo "vm2: qemu-io disk write complete"
91qemu_cmd_repeat=20 _send_qemu_cmd $h2 "info status" "running"
92echo "vm2: qemu process running successfully"
93
94echo "vm2: flush io, and quit"
95_send_qemu_cmd $h2 'qemu-io disk flush' "(qemu)"
96_send_qemu_cmd $h2 'quit' ""
97_send_qemu_cmd $h1 'quit' ""
98
99wait
100echo "Check image pattern"
101${QEMU_IO} -c "read -P 0x22 0 4M" "${TEST_IMG}" | _filter_testdir | _filter_qemu_io
102
103echo "Running 'qemu-img check -r all \$TEST_IMG'"
104_check_test_img -r all
105
106echo "*** done"
107rm -f $seq.full
108status=0
109