tests/qemu-iotests/248

   1 #!/usr/bin/env python
   2 #
   3 # Test resume mirror after auto pause on ENOSPC
   4 #
   5 # Copyright (c) 2019 Virtuozzo International GmbH. All rights reserved.
   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 import iotests
  22 from iotests import qemu_img_create, qemu_io, file_path, filter_qmp_testfiles
  23
  24 iotests.verify_image_format(supported_fmts=['qcow2'])
  25
  26 source, target = file_path('source', 'target')
  27 size = 5 * 1024 * 1024
  28 limit = 2 * 1024 * 1024
  29
  30 qemu_img_create('-f', iotests.imgfmt, source, str(size))
  31 qemu_img_create('-f', iotests.imgfmt, target, str(size))
  32 qemu_io('-c', 'write 0 {}'.format(size), source)
  33
  34 # raw format don't like empty files
  35 qemu_io('-c', 'write 0 {}'.format(size), target)
  36
  37 vm = iotests.VM().add_drive(source)
  38 vm.launch()
  39
  40 blockdev_opts = {
  41     'driver': iotests.imgfmt,
  42     'node-name': 'target',
  43     'file': {
  44         'driver': 'raw',
  45         'size': limit,
  46         'file': {
  47             'driver': 'file',
  48             'filename': target
  49         }
  50     }
  51 }
  52 vm.qmp_log('blockdev-add', filters=[filter_qmp_testfiles], **blockdev_opts)
  53
  54 vm.qmp_log('blockdev-mirror', device='drive0', sync='full', target='target',
  55            on_target_error='enospc')
  56
  57 vm.event_wait('JOB_STATUS_CHANGE', timeout=3.0,
  58               match={'data': {'status': 'paused'}})
  59
  60 # drop other cached events, to not interfere with further wait for 'running'
  61 vm.get_qmp_events()
  62
  63 del blockdev_opts['file']['size']
  64 vm.qmp_log('x-blockdev-reopen', filters=[filter_qmp_testfiles],
  65            **blockdev_opts)
  66
  67 vm.qmp_log('block-job-resume', device='drive0')
  68 vm.event_wait('JOB_STATUS_CHANGE', timeout=1.0,
  69               match={'data': {'status': 'running'}})
  70
  71 vm.shutdown()