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 [email protected]
  23
  24 seq=`basename $0`
  25 echo "QA output created by $seq"
  26
  27 status=1 # failure is the default!
  28
  29 _cleanup()
  30 {
  31     rm -f "${TEST_IMG}.mid"
  32     rm -f "${TEST_IMG}.ovl2"
  33     rm -f "${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
  47 size=64M
  48
  49 echo
  50 echo === Preparing and starting VM ===
  51 echo
  52
  53 TEST_IMG="${TEST_IMG}.base" _make_test_img $size
  54 IMGOPTS=$(_optstr_add "$IMGOPTS" "backing_fmt=$IMGFMT") \
  55     TEST_IMG="${TEST_IMG}.mid" _make_test_img -b "${TEST_IMG}.base"
  56 _make_test_img -b "${TEST_IMG}.mid"
  57 TEST_IMG="${TEST_IMG}.ovl2" _make_test_img -b "${TEST_IMG}.mid"
  58
  59 $QEMU_IO -c 'write -P 0x55 1M 64k' "${TEST_IMG}.mid" | _filter_qemu_io
  60
  61 qemu_comm_method="qmp"
  62 qmp_pretty="y"
  63
  64 _launch_qemu \
  65     -blockdev "driver=${IMGFMT},file.driver=file,file.filename=${TEST_IMG}.base,node-name=base" \
  66     -blockdev "driver=${IMGFMT},file.driver=file,file.filename=${TEST_IMG}.mid,node-name=mid,backing=base" \
  67     -blockdev "driver=${IMGFMT},file.driver=file,file.filename=${TEST_IMG},node-name=top,backing=mid" \
  68     -blockdev "driver=${IMGFMT},file.driver=file,file.filename=${TEST_IMG}.ovl2,node-name=top2,backing=mid"
  69 h=$QEMU_HANDLE
  70 _send_qemu_cmd $h "{ 'execute': 'qmp_capabilities' }" '^}'
  71
  72 echo
  73 echo === Perform commit job ===
  74 echo
  75
  76 _send_qemu_cmd $h \
  77     "{ 'execute': 'block-commit',
  78        'arguments': { 'job-id': 'commit0',
  79                       'device': 'top',
  80                       'base':'$TEST_IMG.base',
  81                       'top': '$TEST_IMG.mid' } }" \
  82     '"status": "null"'
  83 _send_qemu_cmd $h "" "^}"
  84
  85 echo
  86 echo === Check that both top and top2 point to base now ===
  87 echo
  88
  89 _send_qemu_cmd $h "{ 'execute': 'query-named-block-nodes' }" "^}" |
  90     _filter_generated_node_ids | _filter_actual_image_size | _filter_img_info
  91
  92 _send_qemu_cmd $h "{ 'execute': 'quit' }" "^}"
  93 wait=1 _cleanup_qemu
  94
  95 _img_info
  96 TEST_IMG="$TEST_IMG.ovl2" _img_info
  97
  98
  99 echo
 100 echo === Preparing and starting VM with -drive ===
 101 echo
 102
 103 TEST_IMG="${TEST_IMG}.base" _make_test_img $size
 104 TEST_IMG="${TEST_IMG}.mid" _make_test_img -b "${TEST_IMG}.base"
 105 _make_test_img -b "${TEST_IMG}.mid"
 106 TEST_IMG="${TEST_IMG}.ovl2" _make_test_img -b "${TEST_IMG}.mid"
 107 TEST_IMG="${TEST_IMG}.ovl3" _make_test_img -b "${TEST_IMG}.ovl2"
 108
 109 $QEMU_IO -c 'write -P 0x55 1M 64k' "${TEST_IMG}.mid" | _filter_qemu_io
 110
 111 qemu_comm_method="qmp"
 112 qmp_pretty="y"
 113
 114 _launch_qemu \
 115     -drive "driver=${IMGFMT},file=${TEST_IMG},node-name=top,backing.node-name=mid" \
 116     -drive "driver=${IMGFMT},file=${TEST_IMG}.ovl3,node-name=top2,backing.backing=mid"
 117 h=$QEMU_HANDLE
 118 _send_qemu_cmd $h "{ 'execute': 'qmp_capabilities' }" '^}'
 119
 120 echo
 121 echo === Perform commit job ===
 122 echo
 123
 124 _send_qemu_cmd $h \
 125     "{ 'execute': 'block-commit',
 126        'arguments': { 'job-id': 'commit0',
 127                       'device': 'top',
 128                       'base':'$TEST_IMG.base',
 129                       'top': '$TEST_IMG.mid' } }" \
 130     '"status": "null"'
 131 _send_qemu_cmd $h "" "^}"
 132
 133 echo
 134 echo === Check that both top and top2 point to base now ===
 135 echo
 136
 137 _send_qemu_cmd $h "{ 'execute': 'query-named-block-nodes' }" "^}" |
 138     _filter_generated_node_ids | _filter_actual_image_size | _filter_img_info
 139
 140 _send_qemu_cmd $h "{ 'execute': 'quit' }" "^}"
 141 wait=1 _cleanup_qemu
 142
 143 _img_info
 144 TEST_IMG="$TEST_IMG.ovl2" _img_info
 145
 146 # success, all done
 147 echo "*** done"
 148 rm -f $seq.full
 149 status=0