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1 #!/usr/bin/env bash 2 # group: rw migration quick 3 # 4 # Live migration test 5 # 6 # Performs a migration from one VM to another via monitor commands 7 # 8 # Copyright (C) 2014 Red Hat, Inc. 9 # 10 # This program is free software; you can redistribute it and/or modify 11 # it under the terms of the GNU General Public License as published by 12 # the Free Software Foundation; either version 2 of the License, or 13 # (at your option) any later version. 14 # 15 # This program is distributed in the hope that it will be useful, 16 # but WITHOUT ANY WARRANTY; without even the implied warranty of 17 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18 # GNU General Public License for more details. 19 # 20 # You should have received a copy of the GNU General Public License 21 # along with this program. If not, see <http://www.gnu.org/licenses/>. 22 # 23 24 # creator 25 owner=codyprime@gmail.com 26 27 seq=`basename $0` 28 echo "QA output created by $seq" 29 30 status=1 # failure is the default! 31 32 MIG_FIFO="${TEST_DIR}/migrate" 33 34 _cleanup() 35 { 36 rm -f "${MIG_FIFO}" 37 _cleanup_qemu 38 _cleanup_test_img 39 } 40 trap "_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 fuse 49 _supported_os Linux 50 _supported_cache_modes writethrough none writeback 51 _default_cache_mode none writeback 52 53 size=1G 54 55 _make_test_img $size 56 57 mkfifo "${MIG_FIFO}" 58 59 echo 60 echo === Starting QEMU VM1 === 61 echo 62 63 qemu_comm_method="monitor" 64 _launch_qemu -drive file="${TEST_IMG}",cache=${CACHEMODE},aio=${AIOMODE},id=disk 65 h1=$QEMU_HANDLE 66 67 echo 68 echo === Starting QEMU VM2 === 69 echo 70 _launch_qemu -drive file="${TEST_IMG}",cache=${CACHEMODE},aio=${AIOMODE},id=disk \ 71 -incoming "exec: cat '${MIG_FIFO}'" 72 h2=$QEMU_HANDLE 73 74 echo 75 echo === VM 1: Migrate from VM1 to VM2 === 76 echo 77 78 silent=yes 79 _send_qemu_cmd $h1 'qemu-io disk "write -P 0x22 0 4M"' "(qemu)" 80 echo "vm1: qemu-io disk write complete" 81 _send_qemu_cmd $h1 "migrate \"exec: cat > '${MIG_FIFO}'\"" "(qemu)" 82 echo "vm1: live migration started" 83 qemu_cmd_repeat=20 _send_qemu_cmd $h1 "info migrate" "completed" 84 echo "vm1: live migration completed" 85 86 echo 87 echo === VM 2: Post-migration, write to disk, verify running === 88 echo 89 90 _send_qemu_cmd $h2 'qemu-io disk "write 4M 1M"' "(qemu)" 91 echo "vm2: qemu-io disk write complete" 92 qemu_cmd_repeat=20 _send_qemu_cmd $h2 "info status" "running" 93 echo "vm2: qemu process running successfully" 94 95 echo "vm2: flush io, and quit" 96 _send_qemu_cmd $h2 'qemu-io disk flush' "(qemu)" 97 _send_qemu_cmd $h2 'quit' "" 98 _send_qemu_cmd $h1 'quit' "" 99 100 wait=yes _cleanup_qemu >/dev/null 101 102 echo "Check image pattern" 103 ${QEMU_IO} -c "read -P 0x22 0 4M" "${TEST_IMG}" | _filter_testdir | _filter_qemu_io 104 105 echo "Running 'qemu-img check -r all \$TEST_IMG'" 106 _check_test_img -r all 107 108 echo "*** done" 109 rm -f $seq.full 110 status=0