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