tests/qemu-iotests/183

   1 #!/bin/bash
   2 #
   3 # Test old-style block migration (migrate -b)
   4 #
   5 # Copyright (C) 2017 Red Hat, Inc.
   6 #
   7 # This program is free software; you can redistribute it and/or modify
   8 # it under the terms of the GNU General Public License as published by
   9 # the Free Software Foundation; either version 2 of the License, or
  10 # (at your option) any later version.
  11 #
  12 # This program is distributed in the hope that it will be useful,
  13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 # GNU General Public License for more details.
  16 #
  17 # You should have received a copy of the GNU General Public License
  18 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  19 #
  20
  21 # creator
  22 owner=kwolf@redhat.com
  23
  24 seq=`basename $0`
  25 echo "QA output created by $seq"
  26
  27 status=1 # failure is the default!
  28
  29 MIG_SOCKET="${TEST_DIR}/migrate"
  30
  31 _cleanup()
  32 {
  33     rm -f "${MIG_SOCKET}"
  34     rm -f "${TEST_IMG}.dest"
  35     _cleanup_test_img
  36     _cleanup_qemu
  37 }
  38 trap "_cleanup; exit \$status" 0 1 2 3 15
  39
  40 # get standard environment, filters and checks
  41 . ./common.rc
  42 . ./common.filter
  43 . ./common.qemu
  44
  45 _supported_fmt qcow2 raw qed quorum
  46 _supported_proto file
  47 _supported_os Linux
  48
  49 size=64M
  50 _make_test_img $size
  51 TEST_IMG="${TEST_IMG}.dest" _make_test_img $size
  52
  53 echo
  54 echo === Starting VMs ===
  55 echo
  56
  57 qemu_comm_method="qmp"
  58
  59 _launch_qemu \
  60     -drive file="${TEST_IMG}",cache=$CACHEMODE,driver=$IMGFMT,id=disk
  61 src=$QEMU_HANDLE
  62 _send_qemu_cmd $src "{ 'execute': 'qmp_capabilities' }" 'return'
  63
  64 _launch_qemu \
  65     -drive file="${TEST_IMG}.dest",cache=$CACHEMODE,driver=$IMGFMT,id=disk \
  66     -incoming "unix:${MIG_SOCKET}"
  67 dest=$QEMU_HANDLE
  68 _send_qemu_cmd $dest "{ 'execute': 'qmp_capabilities' }" 'return'
  69
  70 echo
  71 echo === Write something on the source ===
  72 echo
  73
  74 _send_qemu_cmd $src \
  75     "{ 'execute': 'human-monitor-command',
  76        'arguments': { 'command-line':
  77                       'qemu-io disk \"write -P 0x55 0 64k\"' } }" \
  78     'return'
  79 _send_qemu_cmd $src \
  80     "{ 'execute': 'human-monitor-command',
  81        'arguments': { 'command-line':
  82                       'qemu-io disk \"read -P 0x55 0 64k\"' } }" \
  83     'return'
  84
  85 echo
  86 echo === Do block migration to destination ===
  87 echo
  88
  89 reply="$(_send_qemu_cmd $src \
  90     "{ 'execute': 'migrate',
  91        'arguments': { 'uri': 'unix:${MIG_SOCKET}', 'blk': true } }" \
  92     'return\|error')"
  93 echo "$reply"
  94 if echo "$reply" | grep "compiled without old-style" > /dev/null; then
  95     _notrun "migrate -b support not compiled in"
  96 fi
  97
  98 QEMU_COMM_TIMEOUT=0.1 qemu_cmd_repeat=50 silent=yes \
  99     _send_qemu_cmd $src "{ 'execute': 'query-migrate' }" '"status": "completed"'
 100 _send_qemu_cmd $src "{ 'execute': 'query-status' }" "return"
 101
 102 echo
 103 echo === Do some I/O on the destination ===
 104 echo
 105
 106 # It is important that we use the BlockBackend of the guest device here instead
 107 # of the node name, which would create a new BlockBackend and not test whether
 108 # the guest has the necessary permissions to access the image now
 109 silent=yes _send_qemu_cmd $dest "" "100 %"
 110 _send_qemu_cmd $dest "{ 'execute': 'query-status' }" "return"
 111 _send_qemu_cmd $dest \
 112     "{ 'execute': 'human-monitor-command',
 113        'arguments': { 'command-line':
 114                       'qemu-io disk \"read -P 0x55 0 64k\"' } }" \
 115     'return'
 116 _send_qemu_cmd $dest \
 117     "{ 'execute': 'human-monitor-command',
 118        'arguments': { 'command-line':
 119                       'qemu-io disk \"write -P 0x66 1M 64k\"' } }" \
 120     'return'
 121
 122 echo
 123 echo === Shut down and check image ===
 124 echo
 125
 126 _send_qemu_cmd $src '{"execute":"quit"}' 'return'
 127 _send_qemu_cmd $dest '{"execute":"quit"}' 'return'
 128 wait=1 _cleanup_qemu
 129
 130 _check_test_img
 131 TEST_IMG="${TEST_IMG}.dest" _check_test_img
 132
 133 $QEMU_IO -c 'write -P 0x66 1M 64k' "$TEST_IMG" | _filter_qemu_io
 134 $QEMU_IMG compare "$TEST_IMG.dest" "$TEST_IMG"
 135
 136 # success, all done
 137 echo "*** done"
 138 rm -f $seq.full
 139 status=0