1#!/bin/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 $seq" 28 29here=`pwd` 30status=1 # failure is the default! 31 32MIG_FIFO="${TEST_DIR}/migrate" 33 34_cleanup() 35{ 36 rm -f "${MIG_FIFO}" 37 _cleanup_qemu 38 _cleanup_test_img 39} 40trap "_cleanup; exit \$status" 0 1 2 3 15 41 42# get standard environment, filters and checks 43. ./common.rc 44. ./common.filter 45. ./common.qemu 46 47_supported_fmt qcow2 48_supported_proto file 49_supported_os Linux 50_default_cache_mode "none" 51_supported_cache_modes "writethrough" "none" "writeback" 52 53size=1G 54 55_make_test_img $size 56 57mkfifo "${MIG_FIFO}" 58 59echo 60echo === Starting QEMU VM1 === 61echo 62 63qemu_comm_method="monitor" 64_launch_qemu -drive file="${TEST_IMG}",cache=${CACHEMODE},id=disk 65h1=$QEMU_HANDLE 66 67echo 68echo === Starting QEMU VM2 === 69echo 70_launch_qemu -drive file="${TEST_IMG}",cache=${CACHEMODE},id=disk \ 71 -incoming "exec: cat '${MIG_FIFO}'" 72h2=$QEMU_HANDLE 73 74echo 75echo === VM 1: Migrate from VM1 to VM2 === 76echo 77 78silent=yes 79_send_qemu_cmd $h1 'qemu-io disk "write -P 0x22 0 4M"' "(qemu)" 80echo "vm1: qemu-io disk write complete" 81_send_qemu_cmd $h1 "migrate \"exec: cat > '${MIG_FIFO}'\"" "(qemu)" 82echo "vm1: live migration started" 83qemu_cmd_repeat=20 _send_qemu_cmd $h1 "info migrate" "completed" 84echo "vm1: live migration completed" 85 86echo 87echo === VM 2: Post-migration, write to disk, verify running === 88echo 89 90_send_qemu_cmd $h2 'qemu-io disk "write 4M 1M"' "(qemu)" 91echo "vm2: qemu-io disk write complete" 92qemu_cmd_repeat=20 _send_qemu_cmd $h2 "info status" "running" 93echo "vm2: qemu process running successfully" 94 95echo "vm2: flush io, and quit" 96_send_qemu_cmd $h2 'qemu-io disk flush' "(qemu)" 97_send_qemu_cmd $h2 'quit' "" 98 99echo "Check image pattern" 100${QEMU_IO} -c "read -P 0x22 0 4M" "${TEST_IMG}" | _filter_testdir | _filter_qemu_io 101 102echo "Running 'qemu-img check -r all \$TEST_IMG'" 103"${QEMU_IMG}" check -r all "${TEST_IMG}" 2>&1 | _filter_testdir | _filter_qemu 104 105echo "*** done" 106rm -f $seq.full 107status=0 108