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 $seq"
  26
  27 here=`pwd`
  28 status=1 # failure is the default!
  29
  30 MIG_SOCKET="${TEST_DIR}/migrate"
  31
  32 _cleanup()
  33 {
  34     rm -f "${MIG_SOCKET}"
  35     rm -f "${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_fmt qcow2 raw qed quorum
  47 _supported_proto file
  48 _supported_os Linux
  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=$CACHEMODE,driver=$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=$CACHEMODE,driver=$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 QEMU_COMM_TIMEOUT=0.1 qemu_cmd_repeat=50 silent=yes \
 100     _send_qemu_cmd $src "{ 'execute': 'query-migrate' }" '"status": "completed"'
 101 _send_qemu_cmd $src "{ 'execute': 'query-status' }" "return"
 102
 103 echo
 104 echo === Do some I/O on the destination ===
 105 echo
 106
 107 # It is important that we use the BlockBackend of the guest device here instead
 108 # of the node name, which would create a new BlockBackend and not test whether
 109 # the guest has the necessary permissions to access the image now
 110 silent=yes _send_qemu_cmd $dest "" "100 %"
 111 _send_qemu_cmd $dest "{ 'execute': 'query-status' }" "return"
 112 _send_qemu_cmd $dest \
 113     "{ 'execute': 'human-monitor-command',
 114        'arguments': { 'command-line':
 115                       'qemu-io disk \"read -P 0x55 0 64k\"' } }" \
 116     'return'
 117 _send_qemu_cmd $dest \
 118     "{ 'execute': 'human-monitor-command',
 119        'arguments': { 'command-line':
 120                       'qemu-io disk \"write -P 0x66 1M 64k\"' } }" \
 121     'return'
 122
 123 echo
 124 echo === Shut down and check image ===
 125 echo
 126
 127 _send_qemu_cmd $src '{"execute":"quit"}' 'return'
 128 _send_qemu_cmd $dest '{"execute":"quit"}' 'return'
 129 wait=1 _cleanup_qemu
 130
 131 _check_test_img
 132 TEST_IMG="${TEST_IMG}.dest" _check_test_img
 133
 134 $QEMU_IO -c 'write -P 0x66 1M 64k' "$TEST_IMG" | _filter_qemu_io
 135 $QEMU_IMG compare "$TEST_IMG.dest" "$TEST_IMG"
 136
 137 # success, all done
 138 echo "*** done"
 139 rm -f $seq.full
 140 status=0