root / test / py / ganeti.ssconf_unittest.py @ cd3b4ff4
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#!/usr/bin/python
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#
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# Copyright (C) 2012 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 testing ganeti.ssconf"""
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import os |
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import unittest |
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import tempfile |
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import shutil |
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import errno |
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from ganeti import utils |
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from ganeti import constants |
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from ganeti import errors |
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from ganeti import ssconf |
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import testutils |
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import mock |
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class TestReadSsconfFile(unittest.TestCase): |
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def setUp(self): |
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self.tmpdir = tempfile.mkdtemp()
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def tearDown(self): |
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shutil.rmtree(self.tmpdir)
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def testReadDirectory(self): |
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self.assertRaises(EnvironmentError, ssconf.ReadSsconfFile, self.tmpdir) |
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def testNonExistantFile(self): |
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testfile = utils.PathJoin(self.tmpdir, "does.not.exist") |
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self.assertFalse(os.path.exists(testfile))
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try:
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ssconf.ReadSsconfFile(testfile) |
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except EnvironmentError, err: |
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self.assertEqual(err.errno, errno.ENOENT)
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else:
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self.fail("Exception was not raised") |
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def testEmptyFile(self): |
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testfile = utils.PathJoin(self.tmpdir, "empty") |
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utils.WriteFile(testfile, data="")
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self.assertEqual(ssconf.ReadSsconfFile(testfile), "") |
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def testSingleLine(self): |
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testfile = utils.PathJoin(self.tmpdir, "data") |
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for nl in range(0, 10): |
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utils.WriteFile(testfile, data="Hello World" + ("\n" * nl)) |
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self.assertEqual(ssconf.ReadSsconfFile(testfile),
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"Hello World")
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def testExactlyMaxSize(self): |
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testfile = utils.PathJoin(self.tmpdir, "data") |
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data = "A" * ssconf._MAX_SIZE
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utils.WriteFile(testfile, data=data) |
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self.assertEqual(os.path.getsize(testfile), ssconf._MAX_SIZE)
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self.assertEqual(ssconf.ReadSsconfFile(testfile),
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data) |
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def testLargeFile(self): |
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testfile = utils.PathJoin(self.tmpdir, "data") |
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for size in [ssconf._MAX_SIZE + 1, ssconf._MAX_SIZE * 2]: |
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utils.WriteFile(testfile, data="A" * size)
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self.assertTrue(os.path.getsize(testfile) > ssconf._MAX_SIZE)
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self.assertRaises(RuntimeError, ssconf.ReadSsconfFile, testfile) |
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class TestSimpleStore(unittest.TestCase): |
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def setUp(self): |
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self._tmpdir = tempfile.mkdtemp()
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self.ssdir = utils.PathJoin(self._tmpdir, "files") |
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lockfile = utils.PathJoin(self._tmpdir, "lock") |
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os.mkdir(self.ssdir)
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self.sstore = ssconf.SimpleStore(cfg_location=self.ssdir, |
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_lockfile=lockfile) |
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def tearDown(self): |
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shutil.rmtree(self._tmpdir)
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def _ReadSsFile(self, filename): |
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return utils.ReadFile(utils.PathJoin(self.ssdir, "ssconf_%s" % filename)) |
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def testInvalidKey(self): |
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self.assertRaises(errors.ProgrammerError, self.sstore.KeyToFilename, |
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"not a valid key")
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self.assertRaises(errors.ProgrammerError, self.sstore._ReadFile, |
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"not a valid key")
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def testKeyToFilename(self): |
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for key in ssconf._VALID_KEYS: |
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result = self.sstore.KeyToFilename(key)
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self.assertTrue(utils.IsBelowDir(self.ssdir, result)) |
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self.assertTrue(os.path.basename(result).startswith("ssconf_")) |
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def testReadFileNonExistingFile(self): |
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filename = self.sstore.KeyToFilename(constants.SS_CLUSTER_NAME)
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self.assertFalse(os.path.exists(filename))
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try:
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self.sstore._ReadFile(constants.SS_CLUSTER_NAME)
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except errors.ConfigurationError, err:
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self.assertTrue(str(err).startswith("Can't read ssconf file")) |
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else:
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self.fail("Exception was not raised") |
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for default in ["", "Hello World", 0, 100]: |
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self.assertFalse(os.path.exists(filename))
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result = self.sstore._ReadFile(constants.SS_CLUSTER_NAME, default=default)
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self.assertEqual(result, default)
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def testReadFile(self): |
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utils.WriteFile(self.sstore.KeyToFilename(constants.SS_CLUSTER_NAME),
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data="cluster.example.com")
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self.assertEqual(self.sstore._ReadFile(constants.SS_CLUSTER_NAME), |
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"cluster.example.com")
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self.assertEqual(self.sstore._ReadFile(constants.SS_CLUSTER_NAME, |
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default="something.example.com"),
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"cluster.example.com")
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def testReadAllNoFiles(self): |
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self.assertEqual(self.sstore.ReadAll(), {}) |
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def testReadAllSingleFile(self): |
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utils.WriteFile(self.sstore.KeyToFilename(constants.SS_CLUSTER_NAME),
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data="cluster.example.com")
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self.assertEqual(self.sstore.ReadAll(), { |
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constants.SS_CLUSTER_NAME: "cluster.example.com",
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}) |
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def testWriteFiles(self): |
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values = { |
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constants.SS_CLUSTER_NAME: "cluster.example.com",
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constants.SS_CLUSTER_TAGS: "value\nwith\nnewlines\n",
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constants.SS_INSTANCE_LIST: "",
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} |
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self.sstore.WriteFiles(values)
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self.assertEqual(sorted(os.listdir(self.ssdir)), sorted([ |
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"ssconf_cluster_name",
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"ssconf_cluster_tags",
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"ssconf_instance_list",
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])) |
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self.assertEqual(self._ReadSsFile(constants.SS_CLUSTER_NAME), |
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"cluster.example.com\n")
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self.assertEqual(self._ReadSsFile(constants.SS_CLUSTER_TAGS), |
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"value\nwith\nnewlines\n")
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self.assertEqual(self._ReadSsFile(constants.SS_INSTANCE_LIST), "") |
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def testWriteFilesUnknownKey(self): |
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values = { |
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"unknown key": "value", |
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} |
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self.assertRaises(errors.ProgrammerError, self.sstore.WriteFiles, |
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values, dry_run=True)
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self.assertEqual(os.listdir(self.ssdir), []) |
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def testWriteFilesDryRun(self): |
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values = { |
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constants.SS_CLUSTER_NAME: "cluster.example.com",
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} |
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self.sstore.WriteFiles(values, dry_run=True) |
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self.assertEqual(os.listdir(self.ssdir), []) |
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def testWriteFilesNoValues(self): |
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for dry_run in [False, True]: |
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self.sstore.WriteFiles({}, dry_run=dry_run)
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self.assertEqual(os.listdir(self.ssdir), []) |
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def testWriteFilesTooLong(self): |
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values = { |
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constants.SS_INSTANCE_LIST: "A" * ssconf._MAX_SIZE,
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} |
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for dry_run in [False, True]: |
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try:
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self.sstore.WriteFiles(values, dry_run=dry_run)
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except errors.ConfigurationError, err:
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self.assertTrue(str(err).startswith("Value 'instance_list' has")) |
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else:
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self.fail("Exception was not raised") |
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self.assertEqual(os.listdir(self.ssdir), []) |
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def testGetHvparamsForHypervisor(self): |
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hvparams = [("a", "A"), ("b", "B"), ("c", "C")] |
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ssconf_file_content = '\n'.join("%s=%s" % (key, value) for (key, value) |
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in hvparams)
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self.sstore._ReadFile = mock.Mock(return_value=ssconf_file_content)
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result = self.sstore.GetHvparamsForHypervisor("foo") |
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for (key, value) in hvparams: |
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self.assertTrue(key in result) |
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self.assertEqual(value, result[key])
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class TestVerifyClusterName(unittest.TestCase): |
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def setUp(self): |
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self.tmpdir = tempfile.mkdtemp()
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def tearDown(self): |
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shutil.rmtree(self.tmpdir)
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def testMissingFile(self): |
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tmploc = utils.PathJoin(self.tmpdir, "does-not-exist") |
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ssconf.VerifyClusterName(NotImplemented, _cfg_location=tmploc)
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def testMatchingName(self): |
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tmpfile = utils.PathJoin(self.tmpdir, "ssconf_cluster_name") |
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for content in ["cluster.example.com", "cluster.example.com\n\n"]: |
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utils.WriteFile(tmpfile, data=content) |
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ssconf.VerifyClusterName("cluster.example.com",
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_cfg_location=self.tmpdir)
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def testNameMismatch(self): |
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tmpfile = utils.PathJoin(self.tmpdir, "ssconf_cluster_name") |
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for content in ["something.example.com", "foobar\n\ncluster.example.com"]: |
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utils.WriteFile(tmpfile, data=content) |
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self.assertRaises(errors.GenericError, ssconf.VerifyClusterName,
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"cluster.example.com", _cfg_location=self.tmpdir) |
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class TestVerifyKeys(unittest.TestCase): |
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def testNoKeys(self): |
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ssconf.VerifyKeys({}) |
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def testValidKeys(self): |
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ssconf.VerifyKeys(ssconf._VALID_KEYS) |
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for key in ssconf._VALID_KEYS: |
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ssconf.VerifyKeys([key]) |
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def testInvalidKeys(self): |
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for key in ["", ".", " ", "foo", "bar", "HelloWorld"]: |
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self.assertRaises(errors.GenericError, ssconf.VerifyKeys, [key])
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if __name__ == "__main__": |
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testutils.GanetiTestProgram() |