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 scsi-hd
  48 _require_one_device_of virtio-scsi-pci virtio-scsi-ccw
  49
  50 IMG_SIZE=64K
  51
  52 _make_test_img $IMG_SIZE
  53 TEST_IMG="$TEST_IMG.overlay0" _make_test_img -b "$TEST_IMG" -F $IMGFMT $IMG_SIZE
  54 TEST_IMG="$TEST_IMG.overlay1" _make_test_img -b "$TEST_IMG" -F $IMGFMT $IMG_SIZE
  55
  56 # So that we actually have something to mirror and the job does not return
  57 # immediately (which may be bad because then we cannot know whether the
  58 # 'return' or the 'BLOCK_JOB_READY' comes first).
  59 $QEMU_IO -c 'write 0 42' "$TEST_IMG.overlay0" | _filter_qemu_io
  60
  61 # We cannot use virtio-blk here because that does not actually set the attached
  62 # BB's AioContext in qtest mode
  63 _launch_qemu \
  64     -object iothread,id=iothr \
  65     -blockdev node-name=source,driver=$IMGFMT,file.driver=file,file.filename="$TEST_IMG.overlay0" \
  66     -device virtio-scsi,id=scsi-bus,iothread=iothr \
  67     -device scsi-hd,bus=scsi-bus.0,drive=source
  68
  69 _send_qemu_cmd $QEMU_HANDLE \
  70     "{ 'execute': 'qmp_capabilities' }" \
  71     'return'
  72
  73 _send_qemu_cmd $QEMU_HANDLE \
  74     "{ 'execute': 'drive-mirror',
  75        'arguments': {
  76            'job-id': 'mirror',
  77            'device': 'source',
  78            'target': '$TEST_IMG.overlay1',
  79            'mode':   'existing',
  80            'sync':   'top'
  81        } }" \
  82     'BLOCK_JOB_READY'
  83
  84 # The backing BDS should be assigned the overlay's AioContext
  85 _send_qemu_cmd $QEMU_HANDLE \
  86     "{ 'execute': 'block-job-complete',
  87        'arguments': { 'device': 'mirror' } }" \
  88     'BLOCK_JOB_COMPLETED'
  89
  90 _send_qemu_cmd $QEMU_HANDLE \
  91     "{ 'execute': 'quit' }" \
  92     'return'
  93
  94 wait=yes _cleanup_qemu
  95
  96 # success, all done
  97 echo '*** done'
  98 rm -f $seq.full
  99 status=0