tests/qemu-iotests/127

   1 #!/bin/bash
   2 #
   3 # Test case for mirroring with dataplane
   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 owner=mreitz@redhat.com
  23
  24 seq=$(basename $0)
  25 echo "QA output created by $seq"
  26
  27 status=1    # failure is the default!
  28
  29 _cleanup()
  30 {
  31     _cleanup_qemu
  32     _cleanup_test_img
  33     _rm_test_img "$TEST_IMG.overlay0"
  34     _rm_test_img "$TEST_IMG.overlay1"
  35 }
  36 trap "_cleanup; exit \$status" 0 1 2 3 15
  37
  38 # get standard environment, filters and qemu instance handling
  39 . ./common.rc
  40 . ./common.filter
  41 . ./common.qemu
  42
  43 _supported_fmt qcow2
  44 _supported_proto file
  45 _supported_os Linux
  46
  47 IMG_SIZE=64K
  48
  49 _make_test_img $IMG_SIZE
  50 TEST_IMG="$TEST_IMG.overlay0" _make_test_img -b "$TEST_IMG" $IMG_SIZE
  51 TEST_IMG="$TEST_IMG.overlay1" _make_test_img -b "$TEST_IMG" $IMG_SIZE
  52
  53 # So that we actually have something to mirror and the job does not return
  54 # immediately (which may be bad because then we cannot know whether the
  55 # 'return' or the 'BLOCK_JOB_READY' comes first).
  56 $QEMU_IO -c 'write 0 42' "$TEST_IMG.overlay0" | _filter_qemu_io
  57
  58 # We cannot use virtio-blk here because that does not actually set the attached
  59 # BB's AioContext in qtest mode
  60 _launch_qemu \
  61     -object iothread,id=iothr \
  62     -blockdev node-name=source,driver=$IMGFMT,file.driver=file,file.filename="$TEST_IMG.overlay0" \
  63     -device virtio-scsi,id=scsi-bus,iothread=iothr \
  64     -device scsi-hd,bus=scsi-bus.0,drive=source
  65
  66 _send_qemu_cmd $QEMU_HANDLE \
  67     "{ 'execute': 'qmp_capabilities' }" \
  68     'return'
  69
  70 _send_qemu_cmd $QEMU_HANDLE \
  71     "{ 'execute': 'drive-mirror',
  72        'arguments': {
  73            'job-id': 'mirror',
  74            'device': 'source',
  75            'target': '$TEST_IMG.overlay1',
  76            'mode':   'existing',
  77            'sync':   'top'
  78        } }" \
  79     'BLOCK_JOB_READY'
  80
  81 # The backing BDS should be assigned the overlay's AioContext
  82 _send_qemu_cmd $QEMU_HANDLE \
  83     "{ 'execute': 'block-job-complete',
  84        'arguments': { 'device': 'mirror' } }" \
  85     'BLOCK_JOB_COMPLETED'
  86
  87 _send_qemu_cmd $QEMU_HANDLE \
  88     "{ 'execute': 'quit' }" \
  89     'return'
  90
  91 wait=yes _cleanup_qemu
  92
  93 # success, all done
  94 echo '*** done'
  95 rm -f $seq.full
  96 status=0