root / test / py / ganeti.utils.storage_unittest.py @ d8e55568
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#!/usr/bin/python
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#
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# Copyright (C) 2013 Google Inc.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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# 02110-1301, USA.
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"""Script for unittesting the ganeti.utils.storage module"""
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import mock |
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import unittest |
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from ganeti import constants |
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from ganeti import objects |
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from ganeti import pathutils |
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from ganeti.utils import storage |
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import testutils |
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class TestGetStorageUnitForDiskTemplate(unittest.TestCase): |
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def setUp(self): |
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self._default_vg_name = "some_vg_name" |
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self._cluster = mock.Mock()
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self._cluster.file_storage_dir = "my/file/storage/dir" |
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self._cfg = mock.Mock()
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self._cfg.GetVGName = mock.Mock(return_value=self._default_vg_name) |
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self._cfg.GetClusterInfo = mock.Mock(return_value=self._cluster) |
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def testGetDefaultStorageUnitForDiskTemplateLvm(self): |
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for disk_template in [constants.DT_DRBD8, constants.DT_PLAIN]: |
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(storage_type, storage_key) = \ |
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storage._GetDefaultStorageUnitForDiskTemplate(self._cfg,
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disk_template) |
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self.assertEqual(storage_type, constants.ST_LVM_VG)
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self.assertEqual(storage_key, self._default_vg_name) |
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def testGetDefaultStorageUnitForDiskTemplateFile(self): |
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(storage_type, storage_key) = \ |
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storage._GetDefaultStorageUnitForDiskTemplate(self._cfg,
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constants.DT_FILE) |
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self.assertEqual(storage_type, constants.ST_FILE)
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self.assertEqual(storage_key, self._cluster.file_storage_dir) |
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def testGetDefaultStorageUnitForDiskTemplateSharedFile(self): |
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(storage_type, storage_key) = \ |
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storage._GetDefaultStorageUnitForDiskTemplate(self._cfg,
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constants.DT_SHARED_FILE) |
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self.assertEqual(storage_type, constants.ST_FILE)
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self.assertEqual(storage_key, pathutils.DEFAULT_SHARED_FILE_STORAGE_DIR)
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def testGetDefaultStorageUnitForDiskTemplateDiskless(self): |
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(storage_type, storage_key) = \ |
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storage._GetDefaultStorageUnitForDiskTemplate(self._cfg,
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constants.DT_DISKLESS) |
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self.assertEqual(storage_type, constants.ST_DISKLESS)
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self.assertEqual(storage_key, None) |
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def testGetDefaultStorageUnitForSpindles(self): |
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(storage_type, storage_key) = \ |
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storage._GetDefaultStorageUnitForSpindles(self._cfg)
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self.assertEqual(storage_type, constants.ST_LVM_PV)
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self.assertEqual(storage_key, self._default_vg_name) |
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class TestGetStorageUnitsOfCluster(unittest.TestCase): |
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def setUp(self): |
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storage._GetDefaultStorageUnitForDiskTemplate = \ |
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mock.Mock(return_value=("foo", "bar")) |
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self._cluster_cfg = objects.Cluster()
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self._enabled_disk_templates = \
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[constants.DT_DRBD8, constants.DT_PLAIN, constants.DT_FILE, |
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constants.DT_SHARED_FILE] |
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self._cluster_cfg.enabled_disk_templates = \
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self._enabled_disk_templates
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self._cfg = mock.Mock()
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self._cfg.GetClusterInfo = mock.Mock(return_value=self._cluster_cfg) |
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self._cfg.GetVGName = mock.Mock(return_value="some_vg_name") |
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def testGetStorageUnitsOfCluster(self): |
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storage_units = storage.GetStorageUnitsOfCluster(self._cfg)
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self.assertEqual(len(storage_units), len(self._enabled_disk_templates)) |
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def testGetStorageUnitsOfClusterWithSpindles(self): |
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storage_units = storage.GetStorageUnitsOfCluster( |
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self._cfg, include_spindles=True) |
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self.assertEqual(len(storage_units), len(self._enabled_disk_templates) + 1) |
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self.assertTrue(constants.ST_LVM_PV in [st for (st, sk) in storage_units]) |
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class TestLookupSpaceInfoByStorageType(unittest.TestCase): |
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def setUp(self): |
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self._space_info = [
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{"type": st, "name": st + "_key", "storage_size": 0, "storage_free": 0} |
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for st in constants.STORAGE_TYPES] |
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def testValidLookup(self): |
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query_type = constants.ST_LVM_PV |
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result = storage.LookupSpaceInfoByStorageType(self._space_info, query_type)
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self.assertEqual(query_type, result["type"]) |
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def testNotInList(self): |
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result = storage.LookupSpaceInfoByStorageType(self._space_info,
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"non_existing_type")
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self.assertEqual(None, result) |
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if __name__ == "__main__": |
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testutils.GanetiTestProgram() |