| 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 | _require_hmp |
| 52 | _default_cache_mode none writeback |
| 53 | |
| 54 | size=1G |
| 55 | |
| 56 | _make_test_img $size |
| 57 | |
| 58 | mkfifo "${MIG_FIFO}" |
| 59 | |
| 60 | echo |
| 61 | echo === Starting QEMU VM1 === |
| 62 | echo |
| 63 | |
| 64 | qemu_comm_method="monitor" |
| 65 | _launch_qemu -drive file="${TEST_IMG}",cache=${CACHEMODE},aio=${AIOMODE},id=disk |
| 66 | h1=$QEMU_HANDLE |
| 67 | |
| 68 | echo |
| 69 | echo === Starting QEMU VM2 === |
| 70 | echo |
| 71 | _launch_qemu -drive file="${TEST_IMG}",cache=${CACHEMODE},aio=${AIOMODE},id=disk \ |
| 72 | -incoming "exec: cat '${MIG_FIFO}'" |
| 73 | h2=$QEMU_HANDLE |
| 74 | |
| 75 | echo |
| 76 | echo === VM 1: Migrate from VM1 to VM2 === |
| 77 | echo |
| 78 | |
| 79 | silent=yes |
| 80 | _send_qemu_cmd $h1 'qemu-io disk "write -P 0x22 0 4M"' "(qemu)" |
| 81 | echo "vm1: qemu-io disk write complete" |
| 82 | _send_qemu_cmd $h1 "migrate \"exec: cat > '${MIG_FIFO}'\"" "(qemu)" |
| 83 | echo "vm1: live migration started" |
| 84 | qemu_cmd_repeat=20 _send_qemu_cmd $h1 "info migrate" "completed" |
| 85 | echo "vm1: live migration completed" |
| 86 | |
| 87 | echo |
| 88 | echo === VM 2: Post-migration, write to disk, verify running === |
| 89 | echo |
| 90 | |
| 91 | _send_qemu_cmd $h2 'qemu-io disk "write 4M 1M"' "(qemu)" |
| 92 | echo "vm2: qemu-io disk write complete" |
| 93 | qemu_cmd_repeat=20 _send_qemu_cmd $h2 "info status" "running" |
| 94 | echo "vm2: qemu process running successfully" |
| 95 | |
| 96 | echo "vm2: flush io, and quit" |
| 97 | _send_qemu_cmd $h2 'qemu-io disk flush' "(qemu)" |
| 98 | _send_qemu_cmd $h2 'quit' "" |
| 99 | _send_qemu_cmd $h1 'quit' "" |
| 100 | |
| 101 | wait=yes _cleanup_qemu >/dev/null |
| 102 | |
| 103 | echo "Check image pattern" |
| 104 | ${QEMU_IO} -c "read -P 0x22 0 4M" "${TEST_IMG}" | _filter_testdir | _filter_qemu_io |
| 105 | |
| 106 | echo "Running 'qemu-img check -r all \$TEST_IMG'" |
| 107 | _check_test_img -r all |
| 108 | |
| 109 | echo "*** done" |
| 110 | rm -f $seq.full |
| 111 | status=0 |