203 lines
7.3 KiB
Python
203 lines
7.3 KiB
Python
# Copyright 2011 OpenStack Foundation
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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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"""Tests For miscellaneous util methods used with volume."""
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import os
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import re
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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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from cinder import exception
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from cinder.openstack.common import importutils
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from cinder.openstack.common import log as logging
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from cinder import test
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from cinder.tests import fake_notifier
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from cinder import utils
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from cinder.volume import utils as volume_utils
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LOG = logging.getLogger(__name__)
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CONF = cfg.CONF
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class UsageInfoTestCase(test.TestCase):
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QUEUE_NAME = 'cinder-volume'
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HOSTNAME = 'my-host.com'
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HOSTIP = '10.0.0.1'
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BACKEND = 'test_backend'
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MULTI_AT_BACKEND = 'test_b@ckend'
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def setUp(self):
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super(UsageInfoTestCase, self).setUp()
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self.flags(host='fake', notification_driver=["test"])
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self.volume = importutils.import_object(CONF.volume_manager)
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self.user_id = 'fake'
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self.project_id = 'fake'
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self.snapshot_id = 'fake'
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self.volume_size = 0
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self.context = context.RequestContext(self.user_id, self.project_id)
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def tearDown(self):
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super(UsageInfoTestCase, self).tearDown()
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fake_notifier.reset()
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def _create_volume(self, params={}):
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"""Create a test volume."""
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vol = {}
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vol['snapshot_id'] = self.snapshot_id
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vol['user_id'] = self.user_id
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vol['project_id'] = self.project_id
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vol['host'] = CONF.host
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vol['availability_zone'] = CONF.storage_availability_zone
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vol['status'] = "creating"
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vol['attach_status'] = "detached"
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vol['size'] = self.volume_size
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vol.update(params)
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return db.volume_create(self.context, vol)['id']
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class LVMVolumeDriverTestCase(test.TestCase):
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def test_convert_blocksize_option(self):
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# Test valid volume_dd_blocksize
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bs, count = volume_utils._calculate_count(1024, '10M')
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self.assertEqual(bs, '10M')
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self.assertEqual(count, 103)
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bs, count = volume_utils._calculate_count(1024, '1xBBB')
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self.assertEqual(bs, '1M')
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self.assertEqual(count, 1024)
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# Test 'volume_dd_blocksize' with fraction
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bs, count = volume_utils._calculate_count(1024, '1.3M')
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self.assertEqual(bs, '1M')
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self.assertEqual(count, 1024)
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# Test zero-size 'volume_dd_blocksize'
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bs, count = volume_utils._calculate_count(1024, '0M')
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self.assertEqual(bs, '1M')
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self.assertEqual(count, 1024)
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# Test negative 'volume_dd_blocksize'
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bs, count = volume_utils._calculate_count(1024, '-1M')
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self.assertEqual(bs, '1M')
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self.assertEqual(count, 1024)
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# Test non-digital 'volume_dd_blocksize'
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bs, count = volume_utils._calculate_count(1024, 'ABM')
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self.assertEqual(bs, '1M')
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self.assertEqual(count, 1024)
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class ClearVolumeTestCase(test.TestCase):
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def test_clear_volume(self):
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CONF.volume_clear = 'zero'
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CONF.volume_clear_size = 0
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CONF.volume_dd_blocksize = '1M'
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CONF.volume_clear_ionice = None
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self.mox.StubOutWithMock(volume_utils, 'copy_volume')
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volume_utils.copy_volume("/dev/zero", "volume_path", 1024,
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CONF.volume_dd_blocksize, sync=True,
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ionice=None, execute=utils.execute)
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self.mox.ReplayAll()
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volume_utils.clear_volume(1024, "volume_path")
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def test_clear_volume_zero(self):
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CONF.volume_clear = 'zero'
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CONF.volume_clear_size = 1
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CONF.volume_clear_ionice = None
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self.mox.StubOutWithMock(volume_utils, 'copy_volume')
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volume_utils.copy_volume("/dev/zero", "volume_path", 1,
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CONF.volume_dd_blocksize, sync=True,
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ionice=None, execute=utils.execute)
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self.mox.ReplayAll()
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volume_utils.clear_volume(1024, "volume_path")
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def test_clear_volume_ionice(self):
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CONF.volume_clear = 'zero'
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CONF.volume_clear_size = 0
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CONF.volume_dd_blocksize = '1M'
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CONF.volume_clear_ionice = '-c3'
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self.mox.StubOutWithMock(volume_utils, 'copy_volume')
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volume_utils.copy_volume("/dev/zero", "volume_path", 1024,
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CONF.volume_dd_blocksize, sync=True,
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ionice=CONF.volume_clear_ionice,
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execute=utils.execute)
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self.mox.ReplayAll()
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volume_utils.clear_volume(1024, "volume_path")
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def test_clear_volume_zero_ionice(self):
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CONF.volume_clear = 'zero'
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CONF.volume_clear_size = 1
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CONF.volume_clear_ionice = '-c3'
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self.mox.StubOutWithMock(volume_utils, 'copy_volume')
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volume_utils.copy_volume("/dev/zero", "volume_path", 1,
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CONF.volume_dd_blocksize, sync=True,
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ionice=CONF.volume_clear_ionice,
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execute=utils.execute)
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self.mox.ReplayAll()
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volume_utils.clear_volume(1024, "volume_path")
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def test_clear_volume_shred(self):
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CONF.volume_clear = 'shred'
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CONF.volume_clear_size = 1
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clear_cmd = ['shred', '-n3', '-s1MiB', "volume_path"]
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self.mox.StubOutWithMock(utils, "execute")
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utils.execute(*clear_cmd, run_as_root=True)
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self.mox.ReplayAll()
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volume_utils.clear_volume(1024, "volume_path")
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def test_clear_volume_shred_not_clear_size(self):
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CONF.volume_clear = 'shred'
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CONF.volume_clear_size = None
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clear_cmd = ['shred', '-n3', "volume_path"]
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self.mox.StubOutWithMock(utils, "execute")
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utils.execute(*clear_cmd, run_as_root=True)
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self.mox.ReplayAll()
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volume_utils.clear_volume(1024, "volume_path")
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def test_clear_volume_invalid_opt(self):
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CONF.volume_clear = 'non_existent_volume_clearer'
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CONF.volume_clear_size = 0
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self.mox.StubOutWithMock(volume_utils, 'copy_volume')
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self.mox.ReplayAll()
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self.assertRaises(exception.InvalidConfigurationValue,
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volume_utils.clear_volume,
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1024, "volume_path")
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def test_clear_volume_lvm_snap(self):
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self.stubs.Set(os.path, 'exists', lambda x: True)
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CONF.volume_clear = 'zero'
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CONF.volume_clear_size = 0
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uuid = '00000000-0000-0000-0000-90ed32cdeed3'
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name = 'snapshot-' + uuid
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mangle_name = '_' + re.sub(r'-', r'--', name)
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vol_path = '/dev/mapper/cinder--volumes-%s-cow' % mangle_name
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def fake_copy_volume(srcstr, deststr, size, blocksize, **kwargs):
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self.assertEqual(deststr, vol_path)
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return True
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self.stubs.Set(volume_utils, 'copy_volume', fake_copy_volume)
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volume_utils.clear_volume(123, vol_path)
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