tests/qemu-iotests/161

   1 #!/usr/bin/env bash
   2 # group: rw auto quick
   3 #
   4 # Test reopening a backing image after block-stream and block-commit
   5 #
   6 # Copyright (C) 2018 Igalia, S.L.
   7 #
   8 # This program is free software; you can redistribute it and/or modify
   9 # it under the terms of the GNU General Public License as published by
  10 # the Free Software Foundation; either version 2 of the License, or
  11 # (at your option) any later version.
  12 #
  13 # This program is distributed in the hope that it will be useful,
  14 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 # GNU General Public License for more details.
  17 #
  18 # You should have received a copy of the GNU General Public License
  19 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  20 #
  21
  22 # creator
  23 owner=berto@igalia.com
  24
  25 seq=`basename $0`
  26 echo "QA output created by $seq"
  27
  28 here=`pwd`
  29 status=1        # failure is the default!
  30
  31 _cleanup()
  32 {
  33     _cleanup_test_img
  34     _rm_test_img "$TEST_IMG.base"
  35     _rm_test_img "$TEST_IMG.int"
  36 }
  37 trap "_cleanup; exit \$status" 0 1 2 3 15
  38
  39 # get standard environment, filters and checks
  40 . ./common.rc
  41 . ./common.filter
  42 . ./common.qemu
  43
  44 # Any format implementing BlockDriver.bdrv_change_backing_file
  45 _supported_fmt qcow2 qed
  46 _supported_proto file fuse
  47 _supported_os Linux
  48
  49 IMG_SIZE=1M
  50
  51 # Create the images
  52 TEST_IMG="$TEST_IMG.base" _make_test_img $IMG_SIZE
  53 TEST_IMG="$TEST_IMG.int" _make_test_img -b "$TEST_IMG.base" -F $IMGFMT
  54 _make_test_img -b "$TEST_IMG.int" -F $IMGFMT -F $IMGFMT
  55
  56 # First test: reopen $TEST.IMG changing the detect-zeroes option on
  57 # its backing file ($TEST_IMG.int).
  58 echo
  59 echo "*** Change an option on the backing file"
  60 echo
  61 _launch_qemu -drive if=none,file="${TEST_IMG}"
  62 _send_qemu_cmd $QEMU_HANDLE \
  63     "{ 'execute': 'qmp_capabilities' }" \
  64     'return'
  65
  66 _send_qemu_cmd $QEMU_HANDLE \
  67     "{ 'execute': 'human-monitor-command',
  68        'arguments': { 'command-line':
  69                       'qemu-io none0 \"reopen -o backing.detect-zeroes=on\"' } }" \
  70     "return"
  71
  72 _cleanup_qemu
  73
  74 # Second test: stream $TEST_IMG.base into $TEST_IMG.int and then
  75 # reopen $TEST.IMG changing the detect-zeroes option on its new
  76 # backing file ($TEST_IMG.base).
  77 echo
  78 echo "*** Stream and then change an option on the backing file"
  79 echo
  80 _launch_qemu -drive if=none,file="${TEST_IMG}"
  81 _send_qemu_cmd $QEMU_HANDLE \
  82     "{ 'execute': 'qmp_capabilities' }" \
  83     'return'
  84
  85 _send_qemu_cmd $QEMU_HANDLE \
  86     "{ 'execute': 'block-stream', \
  87        'arguments': { 'device': 'none0',
  88                       'base': '${TEST_IMG}.base' } }" \
  89     'return'
  90
  91 # Wait for block-stream to finish
  92 sleep 0.5
  93
  94 _send_qemu_cmd $QEMU_HANDLE \
  95     "{ 'execute': 'human-monitor-command',
  96        'arguments': { 'command-line':
  97                       'qemu-io none0 \"reopen -o backing.detect-zeroes=on\"' } }" \
  98     "return"
  99
 100 _cleanup_qemu
 101
 102 # Third test: commit $TEST_IMG.int into $TEST_IMG.base and then reopen
 103 # $TEST.IMG changing the detect-zeroes option on its new backing file
 104 # ($TEST_IMG.base).
 105 echo
 106 echo "*** Commit and then change an option on the backing file"
 107 echo
 108 # Create the images again
 109 TEST_IMG="$TEST_IMG.base" _make_test_img $IMG_SIZE
 110 TEST_IMG="$TEST_IMG.int" _make_test_img -b "$TEST_IMG.base" -F $IMGFMT
 111 _make_test_img -b "$TEST_IMG.int" -F $IMGFMT
 112
 113 _launch_qemu -drive if=none,file="${TEST_IMG}"
 114 _send_qemu_cmd $QEMU_HANDLE \
 115     "{ 'execute': 'qmp_capabilities' }" \
 116     'return'
 117
 118 _send_qemu_cmd $QEMU_HANDLE \
 119     "{ 'execute': 'block-commit', \
 120        'arguments': { 'device': 'none0',
 121                       'top': '${TEST_IMG}.int' } }" \
 122     'return'
 123
 124 # Wait for block-commit to finish
 125 sleep 0.5
 126
 127 _send_qemu_cmd $QEMU_HANDLE \
 128     "{ 'execute': 'human-monitor-command',
 129        'arguments': { 'command-line':
 130                       'qemu-io none0 \"reopen -o backing.detect-zeroes=on\"' } }" \
 131     "return"
 132
 133 _cleanup_qemu
 134
 135 # success, all done
 136 echo "*** done"
 137 rm -f $seq.full
 138 status=0