tests/qemu-iotests/129

   1 #!/usr/bin/env python3
   2 # group: rw quick
   3 #
   4 # Tests that "bdrv_drain_all" doesn't drain block jobs
   5 #
   6 # Copyright (C) 2015 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 import os
  23 import iotests
  24 import time
  25
  26 class TestStopWithBlockJob(iotests.QMPTestCase):
  27     test_img = os.path.join(iotests.test_dir, 'test.img')
  28     target_img = os.path.join(iotests.test_dir, 'target.img')
  29     base_img = os.path.join(iotests.test_dir, 'base.img')
  30
  31     def setUp(self):
  32         iotests.qemu_img('create', '-f', iotests.imgfmt, self.base_img, "1G")
  33         iotests.qemu_img('create', '-f', iotests.imgfmt, self.test_img,
  34                          "-b", self.base_img, '-F', iotests.imgfmt)
  35         iotests.qemu_io('-f', iotests.imgfmt, '-c', 'write -P0x5d 1M 128M', self.test_img)
  36         self.vm = iotests.VM().add_drive(self.test_img)
  37         self.vm.launch()
  38
  39     def tearDown(self):
  40         params = {"device": "drive0",
  41                   "bps": 0,
  42                   "bps_rd": 0,
  43                   "bps_wr": 0,
  44                   "iops": 0,
  45                   "iops_rd": 0,
  46                   "iops_wr": 0,
  47                  }
  48         result = self.vm.qmp("block_set_io_throttle", conv_keys=False,
  49                              **params)
  50         self.vm.shutdown()
  51
  52     def do_test_stop(self, cmd, **args):
  53         """Test 'stop' while block job is running on a throttled drive.
  54         The 'stop' command shouldn't drain the job"""
  55         params = {"device": "drive0",
  56                   "bps": 1024,
  57                   "bps_rd": 0,
  58                   "bps_wr": 0,
  59                   "iops": 0,
  60                   "iops_rd": 0,
  61                   "iops_wr": 0,
  62                  }
  63         result = self.vm.qmp("block_set_io_throttle", conv_keys=False,
  64                              **params)
  65         self.assert_qmp(result, 'return', {})
  66         result = self.vm.qmp(cmd, **args)
  67         self.assert_qmp(result, 'return', {})
  68         result = self.vm.qmp("stop")
  69         self.assert_qmp(result, 'return', {})
  70         result = self.vm.qmp("query-block-jobs")
  71         self.assert_qmp(result, 'return[0]/busy', True)
  72         self.assert_qmp(result, 'return[0]/ready', False)
  73
  74     def test_drive_mirror(self):
  75         self.do_test_stop("drive-mirror", device="drive0",
  76                           target=self.target_img,
  77                           sync="full")
  78
  79     def test_drive_backup(self):
  80         self.do_test_stop("drive-backup", device="drive0",
  81                           target=self.target_img,
  82                           sync="full")
  83
  84     def test_block_commit(self):
  85         self.do_test_stop("block-commit", device="drive0")
  86
  87 if __name__ == '__main__':
  88     iotests.main(supported_fmts=["qcow2"],
  89                  supported_protocols=["file"])