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 $seq"
  26
  27 here=`pwd`
  28 status=1 # failure is the default!
  29
  30 _cleanup()
  31 {
  32     rm -f "${TEST_IMG}.mid"
  33     rm -f "${TEST_IMG}.ovl2"
  34     rm -f "${TEST_IMG}.ovl3"
  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
  46 _supported_proto file
  47 _supported_os Linux
  48
  49 size=64M
  50
  51 echo
  52 echo === Preparing and starting VM ===
  53 echo
  54
  55 TEST_IMG="${TEST_IMG}.base" _make_test_img $size
  56 IMGOPTS=$(_optstr_add "$IMGOPTS" "backing_fmt=$IMGFMT") \
  57     TEST_IMG="${TEST_IMG}.mid" _make_test_img -b "${TEST_IMG}.base"
  58 _make_test_img -b "${TEST_IMG}.mid"
  59 TEST_IMG="${TEST_IMG}.ovl2" _make_test_img -b "${TEST_IMG}.mid"
  60
  61 $QEMU_IO -c 'write -P 0x55 1M 64k' "${TEST_IMG}.mid" | _filter_qemu_io
  62
  63 qemu_comm_method="qmp"
  64 qmp_pretty="y"
  65
  66 _launch_qemu \
  67     -blockdev "driver=${IMGFMT},file.driver=file,file.filename=${TEST_IMG}.base,node-name=base" \
  68     -blockdev "driver=${IMGFMT},file.driver=file,file.filename=${TEST_IMG}.mid,node-name=mid,backing=base" \
  69     -blockdev "driver=${IMGFMT},file.driver=file,file.filename=${TEST_IMG},node-name=top,backing=mid" \
  70     -blockdev "driver=${IMGFMT},file.driver=file,file.filename=${TEST_IMG}.ovl2,node-name=top2,backing=mid"
  71 h=$QEMU_HANDLE
  72 _send_qemu_cmd $h "{ 'execute': 'qmp_capabilities' }" '^}'
  73
  74 echo
  75 echo === Perform commit job ===
  76 echo
  77
  78 _send_qemu_cmd $h \
  79     "{ 'execute': 'block-commit',
  80        'arguments': { 'job-id': 'commit0',
  81                       'device': 'top',
  82                       'base':'$TEST_IMG.base',
  83                       'top': '$TEST_IMG.mid' } }" \
  84     '"status": "null"'
  85 _send_qemu_cmd $h "" "^}"
  86
  87 echo
  88 echo === Check that both top and top2 point to base now ===
  89 echo
  90
  91 _send_qemu_cmd $h "{ 'execute': 'query-named-block-nodes' }" "^}" |
  92     _filter_generated_node_ids | _filter_actual_image_size | _filter_img_info
  93
  94 _send_qemu_cmd $h "{ 'execute': 'quit' }" "^}"
  95 wait=1 _cleanup_qemu
  96
  97 _img_info
  98 TEST_IMG="$TEST_IMG.ovl2" _img_info
  99
 100
 101 echo
 102 echo === Preparing and starting VM with -drive ===
 103 echo
 104
 105 TEST_IMG="${TEST_IMG}.base" _make_test_img $size
 106 TEST_IMG="${TEST_IMG}.mid" _make_test_img -b "${TEST_IMG}.base"
 107 _make_test_img -b "${TEST_IMG}.mid"
 108 TEST_IMG="${TEST_IMG}.ovl2" _make_test_img -b "${TEST_IMG}.mid"
 109 TEST_IMG="${TEST_IMG}.ovl3" _make_test_img -b "${TEST_IMG}.ovl2"
 110
 111 $QEMU_IO -c 'write -P 0x55 1M 64k' "${TEST_IMG}.mid" | _filter_qemu_io
 112
 113 qemu_comm_method="qmp"
 114 qmp_pretty="y"
 115
 116 _launch_qemu \
 117     -drive "driver=${IMGFMT},file=${TEST_IMG},node-name=top,backing.node-name=mid" \
 118     -drive "driver=${IMGFMT},file=${TEST_IMG}.ovl3,node-name=top2,backing.backing=mid"
 119 h=$QEMU_HANDLE
 120 _send_qemu_cmd $h "{ 'execute': 'qmp_capabilities' }" '^}'
 121
 122 echo
 123 echo === Perform commit job ===
 124 echo
 125
 126 _send_qemu_cmd $h \
 127     "{ 'execute': 'block-commit',
 128        'arguments': { 'job-id': 'commit0',
 129                       'device': 'top',
 130                       'base':'$TEST_IMG.base',
 131                       'top': '$TEST_IMG.mid' } }" \
 132     '"status": "null"'
 133 _send_qemu_cmd $h "" "^}"
 134
 135 echo
 136 echo === Check that both top and top2 point to base now ===
 137 echo
 138
 139 _send_qemu_cmd $h "{ 'execute': 'query-named-block-nodes' }" "^}" |
 140     _filter_generated_node_ids | _filter_actual_image_size | _filter_img_info
 141
 142 _send_qemu_cmd $h "{ 'execute': 'quit' }" "^}"
 143 wait=1 _cleanup_qemu
 144
 145 _img_info
 146 TEST_IMG="$TEST_IMG.ovl2" _img_info
 147
 148 # success, all done
 149 echo "*** done"
 150 rm -f $seq.full
 151 status=0