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