tests/qemu-iotests/141

   1 #!/usr/bin/env bash
   2 #
   3 # Test case for ejecting BDSs with block jobs still running on them
   4 #
   5 # Copyright (C) 2016 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=mreitz@redhat.com
  23
  24 seq="$(basename $0)"
  25 echo "QA output created by $seq"
  26
  27 status=1        # failure is the default!
  28
  29 _cleanup()
  30 {
  31     _cleanup_qemu
  32     _cleanup_test_img
  33     rm -f "$TEST_DIR"/{b,m,o}.$IMGFMT
  34 }
  35 trap "_cleanup; exit \$status" 0 1 2 3 15
  36
  37 # get standard environment, filters and checks
  38 . ./common.rc
  39 . ./common.filter
  40 . ./common.qemu
  41
  42 # Needs backing file and backing format support
  43 _supported_fmt qcow2 qed
  44 _supported_proto file
  45 _supported_os Linux
  46
  47
  48 test_blockjob()
  49 {
  50     _send_qemu_cmd $QEMU_HANDLE \
  51         "{'execute': 'blockdev-add',
  52           'arguments': {
  53               'node-name': 'drv0',
  54               'driver': '$IMGFMT',
  55               'file': {
  56                   'driver': 'file',
  57                   'filename': '$TEST_IMG'
  58               }}}" \
  59         'return'
  60
  61     # If "$2" is an event, we may or may not see it before the
  62     # {"return": {}}.  Therefore, filter the {"return": {}} out both
  63     # here and in the next command.  (Naturally, if we do not see it
  64     # here, we will see it before the next command can be executed,
  65     # so it will appear in the next _send_qemu_cmd's output.)
  66     _send_qemu_cmd $QEMU_HANDLE \
  67         "$1" \
  68         "$2" \
  69         | _filter_img_create | _filter_qmp_empty_return
  70
  71     # We want this to return an error because the block job is still running
  72     _send_qemu_cmd $QEMU_HANDLE \
  73         "{'execute': 'blockdev-del',
  74           'arguments': {'node-name': 'drv0'}}" \
  75         'error' | _filter_generated_node_ids | _filter_qmp_empty_return
  76
  77     _send_qemu_cmd $QEMU_HANDLE \
  78         "{'execute': 'block-job-cancel',
  79           'arguments': {'device': 'job0'}}" \
  80         "$3"
  81
  82     _send_qemu_cmd $QEMU_HANDLE \
  83         "{'execute': 'blockdev-del',
  84           'arguments': {'node-name': 'drv0'}}" \
  85         'return'
  86 }
  87
  88
  89 TEST_IMG="$TEST_DIR/b.$IMGFMT" _make_test_img 1M
  90 TEST_IMG="$TEST_DIR/m.$IMGFMT" _make_test_img -b "$TEST_DIR/b.$IMGFMT" 1M
  91 _make_test_img -b "$TEST_DIR/m.$IMGFMT" 1M
  92
  93 _launch_qemu -nodefaults
  94
  95 _send_qemu_cmd $QEMU_HANDLE \
  96     "{'execute': 'qmp_capabilities'}" \
  97     'return'
  98
  99 echo
 100 echo '=== Testing drive-backup ==='
 101 echo
 102
 103 # drive-backup will not send BLOCK_JOB_READY by itself, and cancelling the job
 104 # will consequently result in BLOCK_JOB_CANCELLED being emitted.
 105
 106 test_blockjob \
 107     "{'execute': 'drive-backup',
 108       'arguments': {'job-id': 'job0',
 109                     'device': 'drv0',
 110                     'target': '$TEST_DIR/o.$IMGFMT',
 111                     'format': '$IMGFMT',
 112                     'sync': 'none'}}" \
 113     'return' \
 114     '"status": "null"'
 115
 116 echo
 117 echo '=== Testing drive-mirror ==='
 118 echo
 119
 120 # drive-mirror will send BLOCK_JOB_READY basically immediately, and cancelling
 121 # the job will consequently result in BLOCK_JOB_COMPLETED being emitted.
 122
 123 test_blockjob \
 124     "{'execute': 'drive-mirror',
 125       'arguments': {'job-id': 'job0',
 126                     'device': 'drv0',
 127                     'target': '$TEST_DIR/o.$IMGFMT',
 128                     'format': '$IMGFMT',
 129                     'sync': 'none'}}" \
 130     'BLOCK_JOB_READY' \
 131     '"status": "null"'
 132
 133 echo
 134 echo '=== Testing active block-commit ==='
 135 echo
 136
 137 # An active block-commit will send BLOCK_JOB_READY basically immediately, and
 138 # cancelling the job will consequently result in BLOCK_JOB_COMPLETED being
 139 # emitted.
 140
 141 test_blockjob \
 142     "{'execute': 'block-commit',
 143       'arguments': {'job-id': 'job0', 'device': 'drv0'}}" \
 144     'BLOCK_JOB_READY' \
 145     '"status": "null"'
 146
 147 echo
 148 echo '=== Testing non-active block-commit ==='
 149 echo
 150
 151 # Give block-commit something to work on, otherwise it would be done
 152 # immediately, send a BLOCK_JOB_COMPLETED and ejecting the BDS would work just
 153 # fine without the block job still running.
 154
 155 $QEMU_IO -c 'write 0 1M' "$TEST_DIR/m.$IMGFMT" | _filter_qemu_io
 156
 157 test_blockjob \
 158     "{'execute': 'block-commit',
 159       'arguments': {'job-id': 'job0',
 160                     'device': 'drv0',
 161                     'top':    '$TEST_DIR/m.$IMGFMT',
 162                     'speed':  1}}" \
 163     'return' \
 164     '"status": "null"'
 165
 166 echo
 167 echo '=== Testing block-stream ==='
 168 echo
 169
 170 # Give block-stream something to work on, otherwise it would be done
 171 # immediately, send a BLOCK_JOB_COMPLETED and ejecting the BDS would work just
 172 # fine without the block job still running.
 173
 174 $QEMU_IO -c 'write 0 1M' "$TEST_DIR/b.$IMGFMT" | _filter_qemu_io
 175
 176 # With some data to stream (and @speed set to 1), block-stream will not complete
 177 # until we send the block-job-cancel command.
 178
 179 test_blockjob \
 180     "{'execute': 'block-stream',
 181       'arguments': {'job-id': 'job0',
 182                     'device': 'drv0',
 183                     'speed': 1}}" \
 184     'return' \
 185     '"status": "null"'
 186
 187 _cleanup_qemu
 188
 189 # success, all done
 190 echo "*** done"
 191 rm -f $seq.full
 192 status=0