tests/qemu-iotests/183

   1 #!/usr/bin/env bash
   2 # group: rw migration quick
   3 #
   4 # Test old-style block migration (migrate -b)
   5 #
   6 # Copyright (C) 2017 Red Hat, Inc.
   7 #
   8 # This program is free software; you can redistribute it and/or modify
   9 # it under the terms of the GNU General Public License as published by
  10 # the Free Software Foundation; either version 2 of the License, or
  11 # (at your option) any later version.
  12 #
  13 # This program is distributed in the hope that it will be useful,
  14 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 # GNU General Public License for more details.
  17 #
  18 # You should have received a copy of the GNU General Public License
  19 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  20 #
  21
  22 # creator
  23 owner=kwolf@redhat.com
  24
  25 seq=`basename $0`
  26 echo "QA output created by $seq"
  27
  28 status=1 # failure is the default!
  29
  30 MIG_SOCKET="${SOCK_DIR}/migrate"
  31
  32 _cleanup()
  33 {
  34     rm -f "${MIG_SOCKET}"
  35     _rm_test_img "${TEST_IMG}.dest"
  36     _cleanup_test_img
  37     _cleanup_qemu
  38 }
  39 trap "_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_os Linux FreeBSD NetBSD
  47 _supported_fmt qcow2 raw qed quorum
  48 _supported_proto file fuse
  49
  50 size=64M
  51 _make_test_img $size
  52 TEST_IMG="${TEST_IMG}.dest" _make_test_img $size
  53
  54 echo
  55 echo === Starting VMs ===
  56 echo
  57
  58 qemu_comm_method="qmp"
  59
  60 _launch_qemu \
  61     -drive file="${TEST_IMG}",cache=$CACHEMODE,aio=$AIOMODE,driver=$IMGFMT,id=disk
  62 src=$QEMU_HANDLE
  63 _send_qemu_cmd $src "{ 'execute': 'qmp_capabilities' }" 'return'
  64
  65 _launch_qemu \
  66     -drive file="${TEST_IMG}.dest",cache=$CACHEMODE,aio=$AIOMODE,driver=$IMGFMT,id=disk \
  67     -incoming "unix:${MIG_SOCKET}"
  68 dest=$QEMU_HANDLE
  69 _send_qemu_cmd $dest "{ 'execute': 'qmp_capabilities' }" 'return'
  70
  71 echo
  72 echo === Write something on the source ===
  73 echo
  74
  75 _send_qemu_cmd $src \
  76     "{ 'execute': 'human-monitor-command',
  77        'arguments': { 'command-line':
  78                       'qemu-io disk \"write -P 0x55 0 64k\"' } }" \
  79     'return'
  80 _send_qemu_cmd $src \
  81     "{ 'execute': 'human-monitor-command',
  82        'arguments': { 'command-line':
  83                       'qemu-io disk \"read -P 0x55 0 64k\"' } }" \
  84     'return'
  85
  86 echo
  87 echo === Do block migration to destination ===
  88 echo
  89
  90 reply="$(_send_qemu_cmd $src \
  91     "{ 'execute': 'migrate',
  92        'arguments': { 'uri': 'unix:${MIG_SOCKET}', 'blk': true } }" \
  93     'return\|error')"
  94 echo "$reply"
  95 if echo "$reply" | grep "compiled without old-style" > /dev/null; then
  96     _notrun "migrate -b support not compiled in"
  97 fi
  98
  99 timeout_comm=$QEMU_COMM_TIMEOUT
 100 if [ "${VALGRIND_QEMU}" == "y" ]; then
 101     QEMU_COMM_TIMEOUT=4
 102 else
 103     QEMU_COMM_TIMEOUT=0.1
 104 fi
 105 qemu_cmd_repeat=50 silent=yes \
 106     _send_qemu_cmd $src "{ 'execute': 'query-migrate' }" '"status": "completed"'
 107 QEMU_COMM_TIMEOUT=$timeout_comm
 108 _send_qemu_cmd $src "{ 'execute': 'query-status' }" "return"
 109
 110 echo
 111 echo === Do some I/O on the destination ===
 112 echo
 113
 114 # It is important that we use the BlockBackend of the guest device here instead
 115 # of the node name, which would create a new BlockBackend and not test whether
 116 # the guest has the necessary permissions to access the image now
 117 silent=yes _send_qemu_cmd $dest "" "100 %"
 118 _send_qemu_cmd $dest "{ 'execute': 'query-status' }" "return"
 119 _send_qemu_cmd $dest \
 120     "{ 'execute': 'human-monitor-command',
 121        'arguments': { 'command-line':
 122                       'qemu-io disk \"read -P 0x55 0 64k\"' } }" \
 123     'return'
 124 _send_qemu_cmd $dest \
 125     "{ 'execute': 'human-monitor-command',
 126        'arguments': { 'command-line':
 127                       'qemu-io disk \"write -P 0x66 1M 64k\"' } }" \
 128     'return'
 129
 130 echo
 131 echo === Shut down and check image ===
 132 echo
 133
 134 _send_qemu_cmd $src '{"execute":"quit"}' 'return'
 135 _send_qemu_cmd $dest '{"execute":"quit"}' 'return'
 136 wait=1 _cleanup_qemu
 137
 138 _check_test_img
 139 TEST_IMG="${TEST_IMG}.dest" _check_test_img
 140
 141 $QEMU_IO -c 'write -P 0x66 1M 64k' "$TEST_IMG" | _filter_qemu_io
 142 $QEMU_IMG compare "$TEST_IMG.dest" "$TEST_IMG"
 143
 144 # success, all done
 145 echo "*** done"
 146 rm -f $seq.full
 147 status=0