0e16afa588
Block backed images, are already presented as block devices, so LocalBlockImages can be mounted directly instead of being linked with loopback or nbd to another block device. Change-Id: I5aae1e293832f7cff7bc00d793bcc86ededf5eec Closes-bug: #1287754
47 lines
1.5 KiB
Python
47 lines
1.5 KiB
Python
# Copyright 2015 Rackspace Hosting, 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 fixtures
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from nova import test
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from nova.virt.disk.mount import block
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from nova.virt.image import model as imgmodel
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class LoopTestCase(test.NoDBTestCase):
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def setUp(self):
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super(LoopTestCase, self).setUp()
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device_path = '/dev/mapper/instances--instance-0000001_disk'
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self.image = imgmodel.LocalBlockImage(device_path)
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def test_get_dev(self):
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tempdir = self.useFixture(fixtures.TempDir()).path
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b = block.BlockMount(self.image, tempdir)
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self.assertTrue(b.get_dev())
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self.assertTrue(b.linked)
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self.assertEqual(self.image.path, b.device)
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def test_unget_dev(self):
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tempdir = self.useFixture(fixtures.TempDir()).path
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b = block.BlockMount(self.image, tempdir)
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b.unget_dev()
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self.assertIsNone(b.device)
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self.assertFalse(b.linked)
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