tests/qemu-iotests/127

   1 #!/usr/bin/env bash
   2 # group: rw auto backing quick
   3 #
   4 # Test case for mirroring with dataplane
   5 #
   6 # Copyright (C) 2017 Red Hat, Inc.
   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=mreitz@redhat.com
  24
  25 seq=$(basename $0)
  26 echo "QA output created by $seq"
  27
  28 status=1    # failure is the default!
  29
  30 _cleanup()
  31 {
  32     _cleanup_qemu
  33     _cleanup_test_img
  34     _rm_test_img "$TEST_IMG.overlay0"
  35     _rm_test_img "$TEST_IMG.overlay1"
  36 }
  37 trap "_cleanup; exit \$status" 0 1 2 3 15
  38
  39 # get standard environment, filters and qemu instance handling
  40 . ./common.rc
  41 . ./common.filter
  42 . ./common.qemu
  43
  44 _supported_fmt qcow2
  45 _supported_proto file fuse
  46
  47 _require_devices virtio-scsi scsi-hd
  48
  49 IMG_SIZE=64K
  50
  51 _make_test_img $IMG_SIZE
  52 TEST_IMG="$TEST_IMG.overlay0" _make_test_img -b "$TEST_IMG" -F $IMGFMT $IMG_SIZE
  53 TEST_IMG="$TEST_IMG.overlay1" _make_test_img -b "$TEST_IMG" -F $IMGFMT $IMG_SIZE
  54
  55 # So that we actually have something to mirror and the job does not return
  56 # immediately (which may be bad because then we cannot know whether the
  57 # 'return' or the 'BLOCK_JOB_READY' comes first).
  58 $QEMU_IO -c 'write 0 42' "$TEST_IMG.overlay0" | _filter_qemu_io
  59
  60 # We cannot use virtio-blk here because that does not actually set the attached
  61 # BB's AioContext in qtest mode
  62 _launch_qemu \
  63     -object iothread,id=iothr \
  64     -blockdev node-name=source,driver=$IMGFMT,file.driver=file,file.filename="$TEST_IMG.overlay0" \
  65     -device virtio-scsi,id=scsi-bus,iothread=iothr \
  66     -device scsi-hd,bus=scsi-bus.0,drive=source
  67
  68 _send_qemu_cmd $QEMU_HANDLE \
  69     "{ 'execute': 'qmp_capabilities' }" \
  70     'return'
  71
  72 _send_qemu_cmd $QEMU_HANDLE \
  73     "{ 'execute': 'drive-mirror',
  74        'arguments': {
  75            'job-id': 'mirror',
  76            'device': 'source',
  77            'target': '$TEST_IMG.overlay1',
  78            'mode':   'existing',
  79            'sync':   'top'
  80        } }" \
  81     'BLOCK_JOB_READY'
  82
  83 # The backing BDS should be assigned the overlay's AioContext
  84 _send_qemu_cmd $QEMU_HANDLE \
  85     "{ 'execute': 'block-job-complete',
  86        'arguments': { 'device': 'mirror' } }" \
  87     'BLOCK_JOB_COMPLETED'
  88
  89 _send_qemu_cmd $QEMU_HANDLE \
  90     "{ 'execute': 'quit' }" \
  91     'return'
  92
  93 wait=yes _cleanup_qemu
  94
  95 # success, all done
  96 echo '*** done'
  97 rm -f $seq.full
  98 status=0