Remove unsupported BlockDeviceDriver
BlockDeviceDriver was deprecated in Ocata release and marked as 'unsupported'. There is no CI for it too. Change-Id: I145e4aeb535073b018cb4fa6ca9c939b1403ddb5
This commit is contained in:
Ivan Kolodyazhny
parent
4ee1bc921f
commit
711e88a8f9
@ -70,8 +70,6 @@ from cinder import ssh_utils as cinder_sshutils
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from cinder.transfer import api as cinder_transfer_api
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from cinder.volume import api as cinder_volume_api
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from cinder.volume import driver as cinder_volume_driver
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from cinder.volume.drivers import block_device as \
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cinder_volume_drivers_blockdevice
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from cinder.volume.drivers import blockbridge as \
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cinder_volume_drivers_blockbridge
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from cinder.volume.drivers import coho as cinder_volume_drivers_coho
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@ -300,7 +298,6 @@ def list_opts():
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itertools.chain(
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cinder_volume_driver.volume_opts,
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cinder_volume_driver.iser_opts,
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cinder_volume_drivers_blockdevice.volume_opts,
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cinder_volume_drivers_blockbridge.blockbridge_opts,
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cinder_volume_drivers_coho.coho_opts,
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cinder_volume_drivers_coprhd_common.volume_opts,
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@ -1,421 +0,0 @@
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# Copyright (c) 2013 Mirantis, Inc.
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import mock
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from oslo_config import cfg
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from cinder import context
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from cinder import db
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import cinder.exception
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from cinder.objects import fields
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from cinder.objects import snapshot as obj_snap
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from cinder.objects import volume as obj_volume
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import cinder.test
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from cinder.tests.unit import fake_constants as fake
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from cinder.volume import configuration as conf
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from cinder.volume.drivers import block_device
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from cinder.volume import utils as volutils
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class TestBlockDeviceDriver(cinder.test.TestCase):
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def setUp(self):
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fake_opt = [cfg.StrOpt('fake_opt', default='fake', help='fake option')]
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super(TestBlockDeviceDriver, self).setUp()
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self.configuration = conf.Configuration(fake_opt, 'fake_group')
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self.configuration.available_devices = ['/dev/loop1', '/dev/loop2']
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self.configuration.iscsi_helper = 'tgtadm'
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self.host = 'localhost'
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self.configuration.iscsi_port = 3260
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self.configuration.volume_dd_blocksize = 1234
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self.drv = block_device.BlockDeviceDriver(
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configuration=self.configuration,
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host='localhost', db=db)
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def test_initialize_connection(self):
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TEST_VOLUME1 = obj_volume.Volume(host='localhost1',
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provider_location='1 2 3 /dev/loop1',
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provider_auth='a b c',
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attached_mode='rw',
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id=fake.VOLUME_ID)
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TEST_CONNECTOR = {'host': 'localhost1'}
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data = self.drv.initialize_connection(TEST_VOLUME1, TEST_CONNECTOR)
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expected_data = {'data': {'device_path': '/dev/loop1'},
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'driver_volume_type': 'local'}
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self.assertEqual(expected_data, data)
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@mock.patch('cinder.volume.driver.ISCSIDriver.initialize_connection')
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def test_initialize_connection_different_hosts(self, _init_conn):
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TEST_CONNECTOR = {'host': 'localhost1'}
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TEST_VOLUME2 = obj_volume.Volume(host='localhost2',
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provider_location='1 2 3 /dev/loop2',
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provider_auth='d e f',
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attached_mode='rw',
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id=fake.VOLUME2_ID)
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_init_conn.return_value = 'data'
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data = self.drv.initialize_connection(TEST_VOLUME2, TEST_CONNECTOR)
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expected_data = {'data': {'auth_method': 'd',
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'auth_password': 'f',
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'auth_username': 'e',
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'encrypted': False,
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'target_discovered': False,
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'target_iqn': '2',
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'target_lun': 3,
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'target_portal': '1',
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'volume_id': fake.VOLUME2_ID}}
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self.assertEqual(expected_data['data'], data['data'])
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@mock.patch('cinder.volume.drivers.block_device.BlockDeviceDriver.'
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'local_path', return_value=None)
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@mock.patch('cinder.volume.utils.clear_volume')
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def test_delete_not_volume_provider_location(self, _clear_volume,
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_local_path):
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TEST_VOLUME2 = obj_volume.Volume(provider_location=None)
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self.drv.delete_volume(TEST_VOLUME2)
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_local_path.assert_called_once_with(TEST_VOLUME2)
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@mock.patch('os.path.exists', return_value=True)
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@mock.patch('cinder.volume.utils.clear_volume')
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def test_delete_volume_path_exist(self, _clear_volume, _exists):
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TEST_VOLUME = obj_volume.Volume(name_id=fake.VOLUME_NAME_ID,
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size=1,
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provider_location='/dev/loop1',
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display_name='vol1',
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status='available')
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with mock.patch.object(self.drv, 'local_path',
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return_value='/dev/loop1') as lp_mocked:
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with mock.patch.object(self.drv, '_get_devices_sizes',
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return_value={'/dev/loop1': 1}) as \
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gds_mocked:
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volutils.clear_volume(gds_mocked, lp_mocked)
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self.drv.delete_volume(TEST_VOLUME)
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lp_mocked.assert_called_once_with(TEST_VOLUME)
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gds_mocked.assert_called_once_with(['/dev/loop1'])
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self.assertTrue(_exists.called)
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self.assertTrue(_clear_volume.called)
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def test_delete_path_is_not_in_list_of_available_devices(self):
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TEST_VOLUME2 = obj_volume.Volume(provider_location='/dev/loop0')
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with mock.patch.object(self.drv, 'local_path',
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return_value='/dev/loop0') as lp_mocked:
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self.drv.delete_volume(TEST_VOLUME2)
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lp_mocked.assert_called_once_with(TEST_VOLUME2)
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def test__update_provider_location(self):
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TEST_VOLUME = obj_volume.Volume(name_id=fake.VOLUME_NAME_ID,
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size=1,
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display_name='vol1')
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with mock.patch.object(obj_volume.Volume, 'update') as update_mocked, \
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mock.patch.object(obj_volume.Volume, 'save') as save_mocked:
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self.drv._update_provider_location(TEST_VOLUME, 'dev_path')
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self.assertEqual(1, update_mocked.call_count)
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save_mocked.assert_called_once_with()
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def test_create_volume(self):
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TEST_VOLUME = obj_volume.Volume(name_id=fake.VOLUME_NAME_ID,
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size=1,
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display_name='vol1')
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with mock.patch.object(self.drv, 'find_appropriate_size_device',
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return_value='dev_path') as fasd_mocked:
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with mock.patch.object(self.drv, '_update_provider_location') as \
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upl_mocked:
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self.drv.create_volume(TEST_VOLUME)
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fasd_mocked.assert_called_once_with(TEST_VOLUME.size)
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upl_mocked.assert_called_once_with(TEST_VOLUME, 'dev_path')
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def test_update_volume_stats(self):
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with mock.patch.object(self.drv, '_devices_sizes',
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return_value={'/dev/loop1': 1024,
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'/dev/loop2': 1024}) as \
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ds_mocked:
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with mock.patch.object(self.drv, '_get_used_devices') as \
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gud_mocked:
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self.drv._update_volume_stats()
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reserved_percentage = self.configuration.reserved_percentage
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self.assertEqual({
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'vendor_name': "Open Source",
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'driver_version': self.drv.VERSION,
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'volume_backend_name': 'BlockDev',
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'storage_protocol': 'unknown',
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'pools': [{
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'QoS_support': False,
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'total_capacity_gb': 2,
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'free_capacity_gb': 2,
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'reserved_percentage': reserved_percentage,
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'pool_name': 'BlockDev'}]}, self.drv._stats)
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gud_mocked.assert_called_once_with()
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ds_mocked.assert_called_once_with()
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@mock.patch('cinder.volume.utils.copy_volume')
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def test_create_cloned_volume(self, _copy_volume):
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TEST_SRC = obj_volume.Volume(id=fake.VOLUME_ID,
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name_id=fake.VOLUME_NAME_ID,
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size=1,
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provider_location='/dev/loop1')
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TEST_VOLUME = obj_volume.Volume(name_id=fake.VOLUME2_NAME_ID,
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size=1,
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display_name='vol1')
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with mock.patch.object(self.drv, 'find_appropriate_size_device',
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return_value='/dev/loop2') as fasd_mocked:
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with mock.patch.object(self.drv, '_get_devices_sizes',
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return_value={'/dev/loop2': 2}) as \
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gds_mocked:
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with mock.patch.object(self.drv, 'local_path',
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return_value='/dev/loop1') as \
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lp_mocked:
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with mock.patch.object(self.drv,
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'_update_provider_location') as \
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upl_mocked:
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volutils.copy_volume('/dev/loop1', fasd_mocked, 2,
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mock.sentinel,
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execute=self.drv._execute)
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self.drv.create_cloned_volume(TEST_VOLUME, TEST_SRC)
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fasd_mocked.assert_called_once_with(TEST_SRC.size)
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lp_mocked.assert_called_once_with(TEST_SRC)
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gds_mocked.assert_called_once_with(['/dev/loop2'])
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upl_mocked.assert_called_once_with(
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TEST_VOLUME, '/dev/loop2')
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@mock.patch.object(cinder.image.image_utils, 'fetch_to_raw')
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def test_copy_image_to_volume(self, _fetch_to_raw):
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TEST_VOLUME = obj_volume.Volume(name_id=fake.VOLUME_NAME_ID,
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size=1,
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provider_location='/dev/loop1')
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TEST_IMAGE_SERVICE = "image_service"
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TEST_IMAGE_ID = "image_id"
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with mock.patch.object(self.drv, 'local_path',
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return_value='/dev/loop1') as lp_mocked:
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self.drv.copy_image_to_volume(context, TEST_VOLUME,
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TEST_IMAGE_SERVICE, TEST_IMAGE_ID)
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lp_mocked.assert_called_once_with(TEST_VOLUME)
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_fetch_to_raw.assert_called_once_with(context, TEST_IMAGE_SERVICE,
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TEST_IMAGE_ID, '/dev/loop1',
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1234, size=1)
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def test_copy_volume_to_image(self):
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TEST_VOLUME = {'provider_location': '/dev/loop1'}
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TEST_IMAGE_SERVICE = "image_service"
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TEST_IMAGE_META = "image_meta"
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with mock.patch.object(cinder.image.image_utils, 'upload_volume') as \
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_upload_volume:
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with mock.patch.object(self.drv, 'local_path') as _local_path:
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_local_path.return_value = '/dev/loop1'
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self.drv.copy_volume_to_image(context, TEST_VOLUME,
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TEST_IMAGE_SERVICE,
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TEST_IMAGE_META)
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self.assertTrue(_local_path.called)
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_upload_volume.assert_called_once_with(context,
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TEST_IMAGE_SERVICE,
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TEST_IMAGE_META,
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'/dev/loop1')
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def test_get_used_devices(self):
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TEST_VOLUME1 = {'host': 'localhost',
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'provider_location': '/dev/loop1'}
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TEST_VOLUME2 = {'host': 'localhost',
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'provider_location': '/dev/loop2'}
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def fake_local_path(vol):
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return vol['provider_location'].split()[-1]
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with mock.patch.object(obj_volume.VolumeList, 'get_all_by_host',
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return_value=[TEST_VOLUME1, TEST_VOLUME2]),\
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mock.patch.object(obj_snap.SnapshotList, 'get_by_host',
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return_value=[]):
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with mock.patch.object(context, 'get_admin_context'):
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with mock.patch.object(self.drv, 'local_path',
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return_value=fake_local_path):
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path1 = self.drv.local_path(TEST_VOLUME1)
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path2 = self.drv.local_path(TEST_VOLUME2)
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self.assertEqual(set([path1, path2]),
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self.drv._get_used_devices())
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def test_get_devices_sizes(self):
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dev_paths = ['/dev/loop1', '/dev/loop2', '/dev/loop3']
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out = '4294967296\n2147483648\n3221225472\nn'
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with mock.patch.object(self.drv,
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'_execute',
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return_value=(out, None)) as _execute:
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actual = self.drv._get_devices_sizes(dev_paths)
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self.assertEqual(3, len(actual))
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self.assertEqual({'/dev/loop1': 4096, '/dev/loop2': 2048,
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'/dev/loop3': 3072}, actual)
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_execute.assert_called_once_with('blockdev', '--getsize64',
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*dev_paths, run_as_root=True)
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def test_devices_sizes(self):
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with mock.patch.object(self.drv, '_get_devices_sizes') as \
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_get_dvc_size:
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_get_dvc_size.return_value = {'/dev/loop1': 1, '/dev/loop2': 1}
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self.assertEqual(2, len(self.drv._devices_sizes()))
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self.assertEqual({'/dev/loop1': 1, '/dev/loop2': 1},
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self.drv._devices_sizes())
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def test_find_appropriate_size_device_no_free_disks(self):
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size = 1
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with mock.patch.object(self.drv, '_devices_sizes') as _dvc_sizes:
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with mock.patch.object(self.drv, '_get_used_devices') as \
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_get_used_dvc:
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_dvc_sizes.return_value = {'/dev/loop1': 1,
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'/dev/loop2': 1}
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_get_used_dvc.return_value = set(['/dev/loop1', '/dev/loop2'])
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self.assertRaises(cinder.exception.CinderException,
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self.drv.find_appropriate_size_device, size)
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def test_find_appropriate_size_device_not_big_enough_disk(self):
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size = 2948
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with mock.patch.object(self.drv, '_devices_sizes') as _dvc_sizes:
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with mock.patch.object(self.drv, '_get_used_devices') as \
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_get_used_dvc:
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_dvc_sizes.return_value = {'/dev/loop1': 1024,
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'/dev/loop2': 1924}
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_get_used_dvc.return_value = set(['/dev/loop1'])
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self.assertRaises(cinder.exception.CinderException,
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self.drv.find_appropriate_size_device, size)
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def test_find_appropriate_size_device(self):
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size = 1
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with mock.patch.object(self.drv, '_devices_sizes') as _dvc_sizes:
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with mock.patch.object(self.drv, '_get_used_devices') as \
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_get_used_dvc:
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_dvc_sizes.return_value = {'/dev/loop1': 2048,
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'/dev/loop2': 1024}
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_get_used_dvc.return_value = set()
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self.assertEqual('/dev/loop2',
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self.drv.find_appropriate_size_device(size))
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def test_extend_volume_exists(self):
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TEST_VOLUME = {'name': 'vol1', 'id': 123}
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with mock.patch.object(self.drv, '_get_devices_sizes',
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return_value={'/dev/loop1': 1024}) as \
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mock_get_size:
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with mock.patch.object(self.drv, 'local_path',
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return_value='/dev/loop1') as lp_mocked:
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self.assertRaises(cinder.exception.CinderException,
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self.drv.extend_volume, TEST_VOLUME, 2)
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lp_mocked.assert_called_once_with(TEST_VOLUME)
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mock_get_size.assert_called_once_with(['/dev/loop1'])
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@mock.patch('cinder.volume.utils.copy_volume')
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def test_create_snapshot(self, _copy_volume):
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TEST_VOLUME = obj_volume.Volume(id=fake.VOLUME_ID,
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name_id=fake.VOLUME_NAME_ID,
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size=1,
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display_name='vol1',
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status='available',
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provider_location='/dev/loop1')
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TEST_SNAP = obj_snap.Snapshot(id=fake.SNAPSHOT_ID,
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volume_id=fake.VOLUME_ID,
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volume_size=1024,
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provider_location='/dev/loop2',
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volume=TEST_VOLUME)
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with mock.patch.object(self.drv, 'find_appropriate_size_device',
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return_value='/dev/loop2') as fasd_mocked:
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with mock.patch.object(self.drv, '_get_devices_sizes',
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return_value={'/dev/loop2': 1024}) as \
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gds_mocked:
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with mock.patch.object(self.drv,
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'_update_provider_location') as \
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upl_mocked:
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volutils.copy_volume('/dev/loop1', fasd_mocked, 1024,
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mock.sentinel,
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execute=self.drv._execute)
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self.drv.create_snapshot(TEST_SNAP)
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fasd_mocked.assert_called_once_with(TEST_SNAP.volume_size)
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gds_mocked.assert_called_once_with(['/dev/loop2'])
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upl_mocked.assert_called_once_with(
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TEST_SNAP, '/dev/loop2')
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def test_create_snapshot_with_not_available_volume(self):
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TEST_VOLUME = obj_volume.Volume(id=fake.VOLUME_ID,
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name_id=fake.VOLUME_NAME_ID,
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size=1,
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display_name='vol1',
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status='in use',
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provider_location='/dev/loop1')
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TEST_SNAP = obj_snap.Snapshot(id=fake.SNAPSHOT_ID,
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volume_id=fake.VOLUME_ID,
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volume_size=1024,
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provider_location='/dev/loop2',
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volume=TEST_VOLUME)
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self.assertRaises(cinder.exception.CinderException,
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self.drv.create_snapshot, TEST_SNAP)
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@mock.patch('cinder.volume.utils.copy_volume')
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def test_create_volume_from_snapshot(self, _copy_volume):
|
||||
TEST_SNAP = obj_snap.Snapshot(volume_id=fake.VOLUME_ID,
|
||||
volume_size=1024,
|
||||
provider_location='/dev/loop1')
|
||||
TEST_VOLUME = obj_volume.Volume(id=fake.VOLUME_ID,
|
||||
name_id=fake.VOLUME_NAME_ID,
|
||||
size=1,
|
||||
display_name='vol1',
|
||||
provider_location='/dev/loop2')
|
||||
|
||||
with mock.patch.object(self.drv, 'find_appropriate_size_device',
|
||||
return_value='/dev/loop2') as fasd_mocked:
|
||||
with mock.patch.object(self.drv, '_get_devices_sizes',
|
||||
return_value={'/dev/loop2': 1024}) as \
|
||||
gds_mocked:
|
||||
with mock.patch.object(self.drv,
|
||||
'_update_provider_location') as \
|
||||
upl_mocked:
|
||||
volutils.copy_volume('/dev/loop1', fasd_mocked, 1024,
|
||||
mock.sentinel,
|
||||
execute=self.drv._execute)
|
||||
self.drv.create_volume_from_snapshot(
|
||||
TEST_VOLUME, TEST_SNAP)
|
||||
fasd_mocked.assert_called_once_with(
|
||||
TEST_SNAP.volume_size)
|
||||
gds_mocked.assert_called_once_with(['/dev/loop2'])
|
||||
upl_mocked.assert_called_once_with(
|
||||
TEST_VOLUME, '/dev/loop2')
|
||||
|
||||
@mock.patch('os.path.exists', return_value=True)
|
||||
@mock.patch('cinder.volume.utils.clear_volume')
|
||||
def test_delete_snapshot(self, _clear_volume, _exists):
|
||||
TEST_SNAP = obj_snap.Snapshot(volume_id=fake.VOLUME_ID,
|
||||
provider_location='/dev/loop1',
|
||||
status=fields.SnapshotStatus.AVAILABLE)
|
||||
|
||||
with mock.patch.object(self.drv, 'local_path',
|
||||
return_value='/dev/loop1') as lp_mocked:
|
||||
with mock.patch.object(self.drv, '_get_devices_sizes',
|
||||
return_value={'/dev/loop1': 1}) as \
|
||||
gds_mocked:
|
||||
volutils.clear_volume(gds_mocked, lp_mocked)
|
||||
self.drv.delete_snapshot(TEST_SNAP)
|
||||
lp_mocked.assert_called_once_with(TEST_SNAP)
|
||||
gds_mocked.assert_called_once_with(['/dev/loop1'])
|
||||
|
||||
self.assertTrue(_exists.called)
|
||||
self.assertTrue(_clear_volume.called)
|
||||
@ -1,326 +0,0 @@
|
||||
# Copyright (c) 2013 Mirantis, Inc.
|
||||
# All Rights Reserved.
|
||||
#
|
||||
# Licensed under the Apache License, Version 2.0 (the "License"); you may
|
||||
# not use this file except in compliance with the License. You may obtain
|
||||
# a copy of the License at
|
||||
#
|
||||
# http://www.apache.org/licenses/LICENSE-2.0
|
||||
#
|
||||
# Unless required by applicable law or agreed to in writing, software
|
||||
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
|
||||
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
|
||||
# License for the specific language governing permissions and limitations
|
||||
# under the License.
|
||||
|
||||
import os
|
||||
|
||||
from oslo_config import cfg
|
||||
from oslo_log import log as logging
|
||||
from oslo_log import versionutils
|
||||
from oslo_utils import importutils
|
||||
from oslo_utils import units
|
||||
|
||||
from cinder import context
|
||||
from cinder import exception
|
||||
from cinder.i18n import _
|
||||
from cinder.image import image_utils
|
||||
from cinder import interface
|
||||
from cinder import objects
|
||||
from cinder import utils
|
||||
from cinder.volume import configuration
|
||||
from cinder.volume import driver
|
||||
from cinder.volume import utils as volutils
|
||||
|
||||
|
||||
LOG = logging.getLogger(__name__)
|
||||
|
||||
volume_opts = [
|
||||
cfg.ListOpt('available_devices',
|
||||
default=[],
|
||||
help='List of all available devices'),
|
||||
]
|
||||
|
||||
CONF = cfg.CONF
|
||||
CONF.register_opts(volume_opts, group=configuration.SHARED_CONF_GROUP)
|
||||
|
||||
|
||||
@interface.volumedriver
|
||||
class BlockDeviceDriver(driver.BaseVD,
|
||||
driver.CloneableImageVD):
|
||||
VERSION = '2.3.0'
|
||||
|
||||
# ThirdPartySystems wiki page
|
||||
CI_WIKI_NAME = "Cinder_Jenkins"
|
||||
SUPPORTED = False
|
||||
|
||||
def __init__(self, *args, **kwargs):
|
||||
super(BlockDeviceDriver, self).__init__(*args, **kwargs)
|
||||
# This driver has been marked as deprecated in the Ocata release, as
|
||||
# per the standard OpenStack deprecation policy it can be removed in
|
||||
# the Queens release.
|
||||
msg = _("The block_device driver is deprecated and will be "
|
||||
"removed in a future release.")
|
||||
versionutils.report_deprecated_feature(LOG, msg)
|
||||
|
||||
self.configuration.append_config_values(volume_opts)
|
||||
self.backend_name = \
|
||||
self.configuration.safe_get('volume_backend_name') or "BlockDev"
|
||||
target_driver =\
|
||||
self.target_mapping[self.configuration.safe_get('iscsi_helper')]
|
||||
self.target_driver = importutils.import_object(
|
||||
target_driver,
|
||||
configuration=self.configuration,
|
||||
db=self.db,
|
||||
executor=self._execute)
|
||||
|
||||
def check_for_setup_error(self):
|
||||
pass
|
||||
|
||||
def _update_provider_location(self, obj, device):
|
||||
# We update provider_location and host to mark device as used to
|
||||
# avoid race with other threads.
|
||||
# TODO(ynesenenko): need to remove DB access from driver
|
||||
host = '{host}#{pool}'.format(host=self.host, pool=self.get_pool(obj))
|
||||
obj.update({'provider_location': device, 'host': host})
|
||||
obj.save()
|
||||
|
||||
@utils.synchronized('block_device', external=True)
|
||||
def create_volume(self, volume):
|
||||
device = self.find_appropriate_size_device(volume.size)
|
||||
LOG.info("Creating %(volume)s on %(device)s",
|
||||
{"volume": volume.name, "device": device})
|
||||
self._update_provider_location(volume, device)
|
||||
|
||||
def delete_volume(self, volume):
|
||||
"""Deletes a logical volume."""
|
||||
self._clear_block_device(volume)
|
||||
|
||||
def _clear_block_device(self, device):
|
||||
"""Deletes a block device."""
|
||||
dev_path = self.local_path(device)
|
||||
if not dev_path or dev_path not in \
|
||||
self.configuration.available_devices:
|
||||
return
|
||||
if os.path.exists(dev_path) and \
|
||||
self.configuration.volume_clear != 'none':
|
||||
dev_size = self._get_devices_sizes([dev_path])
|
||||
volutils.clear_volume(
|
||||
dev_size[dev_path], dev_path,
|
||||
volume_clear=self.configuration.volume_clear,
|
||||
volume_clear_size=self.configuration.volume_clear_size)
|
||||
else:
|
||||
LOG.warning("The device %s won't be cleared.", device)
|
||||
|
||||
if device.status == "error_deleting":
|
||||
msg = _("Failed to delete device.")
|
||||
LOG.error(msg, resource=device)
|
||||
raise exception.VolumeDriverException(msg)
|
||||
|
||||
def local_path(self, device):
|
||||
if device.provider_location:
|
||||
path = device.provider_location.rsplit(" ", 1)
|
||||
return path[-1]
|
||||
else:
|
||||
return None
|
||||
|
||||
def copy_image_to_volume(self, context, volume, image_service, image_id):
|
||||
"""Fetch the image from image_service and write it to the volume."""
|
||||
image_utils.fetch_to_raw(context,
|
||||
image_service,
|
||||
image_id,
|
||||
self.local_path(volume),
|
||||
self.configuration.volume_dd_blocksize,
|
||||
size=volume.size)
|
||||
|
||||
def copy_volume_to_image(self, context, volume, image_service, image_meta):
|
||||
"""Copy the volume to the specified image."""
|
||||
image_utils.upload_volume(context,
|
||||
image_service,
|
||||
image_meta,
|
||||
self.local_path(volume))
|
||||
|
||||
@utils.synchronized('block_device', external=True)
|
||||
def create_cloned_volume(self, volume, src_vref):
|
||||
LOG.info('Creating clone of volume: %s.', src_vref.id)
|
||||
device = self.find_appropriate_size_device(src_vref.size)
|
||||
dev_size = self._get_devices_sizes([device])
|
||||
volutils.copy_volume(
|
||||
self.local_path(src_vref), device,
|
||||
dev_size[device],
|
||||
self.configuration.volume_dd_blocksize,
|
||||
execute=self._execute)
|
||||
self._update_provider_location(volume, device)
|
||||
|
||||
def get_volume_stats(self, refresh=False):
|
||||
if refresh:
|
||||
self._update_volume_stats()
|
||||
return self._stats
|
||||
|
||||
def _update_volume_stats(self):
|
||||
"""Retrieve stats info from volume group."""
|
||||
dict_of_devices_sizes = self._devices_sizes()
|
||||
used_devices = self._get_used_devices()
|
||||
total_size = 0
|
||||
free_size = 0
|
||||
for device, size in dict_of_devices_sizes.items():
|
||||
if device not in used_devices:
|
||||
free_size += size
|
||||
total_size += size
|
||||
|
||||
LOG.debug("Updating volume stats.")
|
||||
data = {
|
||||
'volume_backend_name': self.backend_name,
|
||||
'vendor_name': "Open Source",
|
||||
'driver_version': self.VERSION,
|
||||
'storage_protocol': 'unknown',
|
||||
'pools': []}
|
||||
|
||||
single_pool = {
|
||||
'pool_name': data['volume_backend_name'],
|
||||
'total_capacity_gb': total_size / units.Ki,
|
||||
'free_capacity_gb': free_size / units.Ki,
|
||||
'reserved_percentage': self.configuration.reserved_percentage,
|
||||
'QoS_support': False}
|
||||
|
||||
data['pools'].append(single_pool)
|
||||
self._stats = data
|
||||
|
||||
def get_pool(self, volume):
|
||||
return self.backend_name
|
||||
|
||||
def _get_used_paths(self, lst):
|
||||
used_dev = set()
|
||||
for item in lst:
|
||||
local_path = self.local_path(item)
|
||||
if local_path:
|
||||
used_dev.add(local_path)
|
||||
return used_dev
|
||||
|
||||
def _get_used_devices(self):
|
||||
lst = objects.VolumeList.get_all_by_host(context.get_admin_context(),
|
||||
self.host)
|
||||
used_devices = self._get_used_paths(lst)
|
||||
snp_lst = objects.SnapshotList.get_by_host(context.get_admin_context(),
|
||||
self.host)
|
||||
return used_devices.union(self._get_used_paths(snp_lst))
|
||||
|
||||
def _get_devices_sizes(self, dev_paths):
|
||||
"""Return devices' sizes in Mb"""
|
||||
out, _err = self._execute('blockdev', '--getsize64', *dev_paths,
|
||||
run_as_root=True)
|
||||
dev_sizes = {}
|
||||
out = out.split('\n')
|
||||
# blockdev returns devices' sizes in order that
|
||||
# they have been passed to it.
|
||||
for n, size in enumerate(out[:-1]):
|
||||
dev_sizes[dev_paths[n]] = int(size) / units.Mi
|
||||
|
||||
return dev_sizes
|
||||
|
||||
def _devices_sizes(self):
|
||||
available_devices = self.configuration.available_devices
|
||||
return self._get_devices_sizes(available_devices)
|
||||
|
||||
def find_appropriate_size_device(self, size):
|
||||
dict_of_devices_sizes = self._devices_sizes()
|
||||
free_devices = (set(self.configuration.available_devices) -
|
||||
self._get_used_devices())
|
||||
if not free_devices:
|
||||
raise exception.CinderException(_("No free disk"))
|
||||
possible_device = None
|
||||
possible_device_size = None
|
||||
for device in free_devices:
|
||||
dev_size = dict_of_devices_sizes[device]
|
||||
if (size * units.Ki <= dev_size and
|
||||
(possible_device is None or
|
||||
dev_size < possible_device_size)):
|
||||
possible_device = device
|
||||
possible_device_size = dev_size
|
||||
|
||||
if possible_device:
|
||||
return possible_device
|
||||
else:
|
||||
raise exception.CinderException(_("No big enough free disk"))
|
||||
|
||||
def extend_volume(self, volume, new_size):
|
||||
dev_path = self.local_path(volume)
|
||||
total_size = self._get_devices_sizes([dev_path])
|
||||
# Convert from Megabytes to Gigabytes
|
||||
size = total_size[dev_path] / units.Ki
|
||||
if size < new_size:
|
||||
msg = _("Insufficient free space available to extend volume.")
|
||||
LOG.error(msg, resource=volume)
|
||||
raise exception.CinderException(msg)
|
||||
|
||||
@utils.synchronized('block_device', external=True)
|
||||
def create_snapshot(self, snapshot):
|
||||
volume = snapshot.volume
|
||||
if volume.status != 'available':
|
||||
msg = _("Volume is not available.")
|
||||
LOG.error(msg, resource=volume)
|
||||
raise exception.CinderException(msg)
|
||||
|
||||
LOG.info('Creating volume snapshot: %s.', snapshot.id)
|
||||
device = self.find_appropriate_size_device(snapshot.volume_size)
|
||||
dev_size = self._get_devices_sizes([device])
|
||||
volutils.copy_volume(
|
||||
self.local_path(volume), device,
|
||||
dev_size[device],
|
||||
self.configuration.volume_dd_blocksize,
|
||||
execute=self._execute)
|
||||
self._update_provider_location(snapshot, device)
|
||||
|
||||
def delete_snapshot(self, snapshot):
|
||||
self._clear_block_device(snapshot)
|
||||
|
||||
@utils.synchronized('block_device', external=True)
|
||||
def create_volume_from_snapshot(self, volume, snapshot):
|
||||
LOG.info('Creating volume %s from snapshot.', volume.id)
|
||||
device = self.find_appropriate_size_device(snapshot.volume_size)
|
||||
dev_size = self._get_devices_sizes([device])
|
||||
volutils.copy_volume(
|
||||
self.local_path(snapshot), device,
|
||||
dev_size[device],
|
||||
self.configuration.volume_dd_blocksize,
|
||||
execute=self._execute)
|
||||
self._update_provider_location(volume, device)
|
||||
|
||||
# ####### Interface methods for DataPath (Target Driver) ########
|
||||
|
||||
def ensure_export(self, context, volume):
|
||||
volume_path = self.local_path(volume)
|
||||
model_update = \
|
||||
self.target_driver.ensure_export(
|
||||
context,
|
||||
volume,
|
||||
volume_path)
|
||||
return model_update
|
||||
|
||||
def create_export(self, context, volume, connector):
|
||||
volume_path = self.local_path(volume)
|
||||
export_info = self.target_driver.create_export(context,
|
||||
volume,
|
||||
volume_path)
|
||||
return {
|
||||
'provider_location': export_info['location'] + ' ' + volume_path,
|
||||
'provider_auth': export_info['auth'],
|
||||
}
|
||||
|
||||
def remove_export(self, context, volume):
|
||||
self.target_driver.remove_export(context, volume)
|
||||
|
||||
def initialize_connection(self, volume, connector):
|
||||
if connector['host'] != volutils.extract_host(volume.host, 'host'):
|
||||
return self.target_driver.initialize_connection(volume, connector)
|
||||
else:
|
||||
return {
|
||||
'driver_volume_type': 'local',
|
||||
'data': {'device_path': self.local_path(volume)},
|
||||
}
|
||||
|
||||
def validate_connector(self, connector):
|
||||
return self.target_driver.validate_connector(connector)
|
||||
|
||||
def terminate_connection(self, volume, connector, **kwargs):
|
||||
pass
|
||||
@ -0,0 +1,7 @@
|
||||
---
|
||||
upgrade:
|
||||
- |
|
||||
BlockDeviceDriver was deprecated in Ocata release and marked as
|
||||
'unsupported'. There is no CI for it too. If you used this driver before
|
||||
you have to migrate your volumes to LVM with LIO target yourself before
|
||||
upgrading to Queens release to get your volumes working.
|
||||
Loading…
Reference in New Issue
Block a user