tests/qemu-iotests/191

   1 #!/bin/bash
   2 #
   3 # Test commit block job where top has two parents
   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 "${TEST_IMG}.mid"
  35     rm -f "${TEST_IMG}.ovl2"
  36     rm -f "${TEST_IMG}.ovl3"
  37     _cleanup_test_img
  38     _cleanup_qemu
  39 }
  40 trap "_cleanup; exit \$status" 0 1 2 3 15
  41
  42 # get standard environment, filters and checks
  43 . ./common.rc
  44 . ./common.filter
  45 . ./common.qemu
  46
  47 _supported_fmt qcow2
  48 _unsupported_imgopts compat=0.10
  49 _supported_proto file
  50 _supported_os Linux
  51
  52 size=64M
  53
  54 echo
  55 echo === Preparing and starting VM ===
  56 echo
  57
  58 TEST_IMG="${TEST_IMG}.base" _make_test_img $size
  59 IMGOPTS=$(_optstr_add "$IMGOPTS" "backing_fmt=$IMGFMT") \
  60     TEST_IMG="${TEST_IMG}.mid" _make_test_img -b "${TEST_IMG}.base"
  61 _make_test_img -b "${TEST_IMG}.mid"
  62 TEST_IMG="${TEST_IMG}.ovl2" _make_test_img -b "${TEST_IMG}.mid"
  63
  64 $QEMU_IO -c 'write -P 0x55 1M 64k' "${TEST_IMG}.mid" | _filter_qemu_io
  65
  66 qemu_comm_method="qmp"
  67 qmp_pretty="y"
  68
  69 _launch_qemu \
  70     -blockdev "driver=${IMGFMT},file.driver=file,file.filename=${TEST_IMG}.base,node-name=base" \
  71     -blockdev "driver=${IMGFMT},file.driver=file,file.filename=${TEST_IMG}.mid,node-name=mid,backing=base" \
  72     -blockdev "driver=${IMGFMT},file.driver=file,file.filename=${TEST_IMG},node-name=top,backing=mid" \
  73     -blockdev "driver=${IMGFMT},file.driver=file,file.filename=${TEST_IMG}.ovl2,node-name=top2,backing=mid"
  74 h=$QEMU_HANDLE
  75 _send_qemu_cmd $h "{ 'execute': 'qmp_capabilities' }" '^}'
  76
  77 echo
  78 echo === Perform commit job ===
  79 echo
  80
  81 _send_qemu_cmd $h \
  82     "{ 'execute': 'block-commit',
  83        'arguments': { 'job-id': 'commit0',
  84                       'device': 'top',
  85                       'base':'$TEST_IMG.base',
  86                       'top': '$TEST_IMG.mid' } }" \
  87     "BLOCK_JOB_COMPLETED"
  88 _send_qemu_cmd $h "" "^}"
  89
  90 echo
  91 echo === Check that both top and top2 point to base now ===
  92 echo
  93
  94 _send_qemu_cmd $h "{ 'execute': 'query-named-block-nodes' }" "^}" |
  95     _filter_generated_node_ids | _filter_actual_image_size
  96
  97 _send_qemu_cmd $h "{ 'execute': 'quit' }" "^}"
  98 wait=1 _cleanup_qemu
  99
 100 _img_info
 101 TEST_IMG="$TEST_IMG.ovl2" _img_info
 102
 103
 104 echo
 105 echo === Preparing and starting VM with -drive ===
 106 echo
 107
 108 TEST_IMG="${TEST_IMG}.base" _make_test_img $size
 109 TEST_IMG="${TEST_IMG}.mid" _make_test_img -b "${TEST_IMG}.base"
 110 _make_test_img -b "${TEST_IMG}.mid"
 111 TEST_IMG="${TEST_IMG}.ovl2" _make_test_img -b "${TEST_IMG}.mid"
 112 TEST_IMG="${TEST_IMG}.ovl3" _make_test_img -b "${TEST_IMG}.ovl2"
 113
 114 $QEMU_IO -c 'write -P 0x55 1M 64k' "${TEST_IMG}.mid" | _filter_qemu_io
 115
 116 qemu_comm_method="qmp"
 117 qmp_pretty="y"
 118
 119 _launch_qemu \
 120     -drive "driver=${IMGFMT},file=${TEST_IMG},node-name=top,backing.node-name=mid" \
 121     -drive "driver=${IMGFMT},file=${TEST_IMG}.ovl3,node-name=top2,backing.backing=mid"
 122 h=$QEMU_HANDLE
 123 _send_qemu_cmd $h "{ 'execute': 'qmp_capabilities' }" '^}'
 124
 125 echo
 126 echo === Perform commit job ===
 127 echo
 128
 129 _send_qemu_cmd $h \
 130     "{ 'execute': 'block-commit',
 131        'arguments': { 'job-id': 'commit0',
 132                       'device': 'top',
 133                       'base':'$TEST_IMG.base',
 134                       'top': '$TEST_IMG.mid' } }" \
 135     "BLOCK_JOB_COMPLETED"
 136 _send_qemu_cmd $h "" "^}"
 137
 138 echo
 139 echo === Check that both top and top2 point to base now ===
 140 echo
 141
 142 _send_qemu_cmd $h "{ 'execute': 'query-named-block-nodes' }" "^}" |
 143     _filter_generated_node_ids | _filter_actual_image_size
 144
 145 _send_qemu_cmd $h "{ 'execute': 'quit' }" "^}"
 146 wait=1 _cleanup_qemu
 147
 148 _img_info
 149 TEST_IMG="$TEST_IMG.ovl2" _img_info
 150
 151 # success, all done
 152 echo "*** done"
 153 rm -f $seq.full
 154 status=0