tests/qemu-iotests/191

   1 #!/usr/bin/env 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 $seq"
  26
  27 status=1 # failure is the default!
  28
  29 _cleanup()
  30 {
  31     _rm_test_img "${TEST_IMG}.mid"
  32     _rm_test_img "${TEST_IMG}.ovl2"
  33     _rm_test_img "${TEST_IMG}.ovl3"
  34     _cleanup_test_img
  35     _cleanup_qemu
  36 }
  37 trap "_cleanup; exit \$status" 0 1 2 3 15
  38
  39 # get standard environment, filters and checks
  40 . ./common.rc
  41 . ./common.filter
  42 . ./common.qemu
  43
  44 _supported_fmt qcow2
  45 _supported_proto file
  46 # An external data file would change the query-named-block-nodes output
  47 _unsupported_imgopts data_file
  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 $size
  56 TEST_IMG="${TEST_IMG}.mid" _make_test_img -o "backing_fmt=$IMGFMT" -b "${TEST_IMG}.base"
  57 _make_test_img -b "${TEST_IMG}.mid" -F $IMGFMT
  58 TEST_IMG="${TEST_IMG}.ovl2" _make_test_img -b "${TEST_IMG}.mid" -F $IMGFMT
  59
  60 $QEMU_IO -c 'write -P 0x55 1M 64k' "${TEST_IMG}.mid" | _filter_qemu_io
  61
  62 qemu_comm_method="qmp"
  63 qmp_pretty="y"
  64
  65 _launch_qemu \
  66     -blockdev "driver=${IMGFMT},file.driver=file,file.filename=${TEST_IMG}.base,node-name=base" \
  67     -blockdev "driver=${IMGFMT},file.driver=file,file.filename=${TEST_IMG}.mid,node-name=mid,backing=base" \
  68     -blockdev "driver=${IMGFMT},file.driver=file,file.filename=${TEST_IMG},node-name=top,backing=mid" \
  69     -blockdev "driver=${IMGFMT},file.driver=file,file.filename=${TEST_IMG}.ovl2,node-name=top2,backing=mid"
  70 h=$QEMU_HANDLE
  71 _send_qemu_cmd $h "{ 'execute': 'qmp_capabilities' }" '^}'
  72
  73 echo
  74 echo === Perform commit job ===
  75 echo
  76
  77 _send_qemu_cmd $h \
  78     "{ 'execute': 'block-commit',
  79        'arguments': { 'job-id': 'commit0',
  80                       'device': 'top',
  81                       'base':'$TEST_IMG.base',
  82                       'top': '$TEST_IMG.mid' } }" \
  83     '"status": "null"'
  84 _send_qemu_cmd $h "" "^}"
  85
  86 echo
  87 echo === Check that both top and top2 point to base now ===
  88 echo
  89
  90 _send_qemu_cmd $h "{ 'execute': 'query-named-block-nodes' }" "^}" |
  91     _filter_generated_node_ids | _filter_actual_image_size | _filter_img_info
  92
  93 _send_qemu_cmd $h "{ 'execute': 'quit' }" "^}"
  94 wait=1 _cleanup_qemu
  95
  96 _img_info
  97 TEST_IMG="$TEST_IMG.ovl2" _img_info
  98
  99
 100 echo
 101 echo === Preparing and starting VM with -drive ===
 102 echo
 103
 104 TEST_IMG="${TEST_IMG}.base" _make_test_img $size
 105 TEST_IMG="${TEST_IMG}.mid" _make_test_img -b "${TEST_IMG}.base" -F $IMGFMT
 106 _make_test_img -b "${TEST_IMG}.mid" -F $IMGFMT
 107 TEST_IMG="${TEST_IMG}.ovl2" _make_test_img -b "${TEST_IMG}.mid" -F $IMGFMT
 108 TEST_IMG="${TEST_IMG}.ovl3" _make_test_img -b "${TEST_IMG}.ovl2" -F $IMGFMT
 109
 110 $QEMU_IO -c 'write -P 0x55 1M 64k' "${TEST_IMG}.mid" | _filter_qemu_io
 111
 112 qemu_comm_method="qmp"
 113 qmp_pretty="y"
 114
 115 _launch_qemu \
 116     -drive "driver=${IMGFMT},file=${TEST_IMG},node-name=top,backing.node-name=mid" \
 117     -drive "driver=${IMGFMT},file=${TEST_IMG}.ovl3,node-name=top2,backing.backing=mid"
 118 h=$QEMU_HANDLE
 119 _send_qemu_cmd $h "{ 'execute': 'qmp_capabilities' }" '^}'
 120
 121 echo
 122 echo === Perform commit job ===
 123 echo
 124
 125 _send_qemu_cmd $h \
 126     "{ 'execute': 'block-commit',
 127        'arguments': { 'job-id': 'commit0',
 128                       'device': 'top',
 129                       'base':'$TEST_IMG.base',
 130                       'top': '$TEST_IMG.mid' } }" \
 131     '"status": "null"'
 132 _send_qemu_cmd $h "" "^}"
 133
 134 echo
 135 echo === Check that both top and top2 point to base now ===
 136 echo
 137
 138 _send_qemu_cmd $h "{ 'execute': 'query-named-block-nodes' }" "^}" |
 139     _filter_generated_node_ids | _filter_actual_image_size | _filter_img_info
 140
 141 _send_qemu_cmd $h "{ 'execute': 'quit' }" "^}"
 142 wait=1 _cleanup_qemu
 143
 144 _img_info
 145 TEST_IMG="$TEST_IMG.ovl2" _img_info
 146
 147 # success, all done
 148 echo "*** done"
 149 rm -f $seq.full
 150 status=0