root / test / ganeti.utils.io_unittest.py @ 2dbc6857
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#!/usr/bin/python
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#
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# Copyright (C) 2006, 2007, 2010, 2011 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.utils.io"""
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import os |
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import tempfile |
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import unittest |
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import shutil |
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import glob |
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import time |
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import signal |
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import stat |
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import errno |
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from ganeti import constants |
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from ganeti import utils |
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from ganeti import compat |
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from ganeti import errors |
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import testutils |
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class TestReadFile(testutils.GanetiTestCase): |
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def testReadAll(self): |
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data = utils.ReadFile(self._TestDataFilename("cert1.pem")) |
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self.assertEqual(len(data), 814) |
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h = compat.md5_hash() |
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h.update(data) |
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self.assertEqual(h.hexdigest(), "a491efb3efe56a0535f924d5f8680fd4") |
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def testReadSize(self): |
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data = utils.ReadFile(self._TestDataFilename("cert1.pem"), |
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size=100)
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self.assertEqual(len(data), 100) |
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h = compat.md5_hash() |
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h.update(data) |
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self.assertEqual(h.hexdigest(), "893772354e4e690b9efd073eed433ce7") |
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def testCallback(self): |
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def _Cb(fh): |
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self.assertEqual(fh.tell(), 0) |
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data = utils.ReadFile(self._TestDataFilename("cert1.pem"), preread=_Cb) |
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self.assertEqual(len(data), 814) |
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def testError(self): |
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self.assertRaises(EnvironmentError, utils.ReadFile, |
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"/dev/null/does-not-exist")
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class TestReadOneLineFile(testutils.GanetiTestCase): |
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def setUp(self): |
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testutils.GanetiTestCase.setUp(self)
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def testDefault(self): |
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data = utils.ReadOneLineFile(self._TestDataFilename("cert1.pem")) |
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self.assertEqual(len(data), 27) |
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self.assertEqual(data, "-----BEGIN CERTIFICATE-----") |
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def testNotStrict(self): |
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data = utils.ReadOneLineFile(self._TestDataFilename("cert1.pem"), |
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strict=False)
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self.assertEqual(len(data), 27) |
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self.assertEqual(data, "-----BEGIN CERTIFICATE-----") |
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def testStrictFailure(self): |
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self.assertRaises(errors.GenericError, utils.ReadOneLineFile,
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self._TestDataFilename("cert1.pem"), strict=True) |
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def testLongLine(self): |
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dummydata = (1024 * "Hello World! ") |
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myfile = self._CreateTempFile()
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utils.WriteFile(myfile, data=dummydata) |
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datastrict = utils.ReadOneLineFile(myfile, strict=True)
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datalax = utils.ReadOneLineFile(myfile, strict=False)
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self.assertEqual(dummydata, datastrict)
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self.assertEqual(dummydata, datalax)
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def testNewline(self): |
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myfile = self._CreateTempFile()
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myline = "myline"
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for nl in ["", "\n", "\r\n"]: |
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dummydata = "%s%s" % (myline, nl)
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utils.WriteFile(myfile, data=dummydata) |
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datalax = utils.ReadOneLineFile(myfile, strict=False)
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self.assertEqual(myline, datalax)
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datastrict = utils.ReadOneLineFile(myfile, strict=True)
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self.assertEqual(myline, datastrict)
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def testWhitespaceAndMultipleLines(self): |
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myfile = self._CreateTempFile()
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for nl in ["", "\n", "\r\n"]: |
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for ws in [" ", "\t", "\t\t \t", "\t "]: |
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dummydata = (1024 * ("Foo bar baz %s%s" % (ws, nl))) |
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utils.WriteFile(myfile, data=dummydata) |
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datalax = utils.ReadOneLineFile(myfile, strict=False)
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if nl:
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self.assert_(set("\r\n") & set(dummydata)) |
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self.assertRaises(errors.GenericError, utils.ReadOneLineFile,
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myfile, strict=True)
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explen = len("Foo bar baz ") + len(ws) |
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self.assertEqual(len(datalax), explen) |
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self.assertEqual(datalax, dummydata[:explen])
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self.assertFalse(set("\r\n") & set(datalax)) |
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else:
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datastrict = utils.ReadOneLineFile(myfile, strict=True)
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self.assertEqual(dummydata, datastrict)
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self.assertEqual(dummydata, datalax)
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def testEmptylines(self): |
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myfile = self._CreateTempFile()
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myline = "myline"
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for nl in ["\n", "\r\n"]: |
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for ol in ["", "otherline"]: |
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dummydata = "%s%s%s%s%s%s" % (nl, nl, myline, nl, ol, nl)
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utils.WriteFile(myfile, data=dummydata) |
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self.assert_(set("\r\n") & set(dummydata)) |
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datalax = utils.ReadOneLineFile(myfile, strict=False)
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self.assertEqual(myline, datalax)
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if ol:
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self.assertRaises(errors.GenericError, utils.ReadOneLineFile,
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myfile, strict=True)
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else:
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datastrict = utils.ReadOneLineFile(myfile, strict=True)
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self.assertEqual(myline, datastrict)
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def testEmptyfile(self): |
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myfile = self._CreateTempFile()
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self.assertRaises(errors.GenericError, utils.ReadOneLineFile, myfile)
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class TestTimestampForFilename(unittest.TestCase): |
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def test(self): |
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self.assert_("." not in utils.TimestampForFilename()) |
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self.assert_(":" not in utils.TimestampForFilename()) |
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class TestCreateBackup(testutils.GanetiTestCase): |
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def setUp(self): |
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testutils.GanetiTestCase.setUp(self)
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self.tmpdir = tempfile.mkdtemp()
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def tearDown(self): |
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testutils.GanetiTestCase.tearDown(self)
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shutil.rmtree(self.tmpdir)
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def testEmpty(self): |
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filename = utils.PathJoin(self.tmpdir, "config.data") |
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utils.WriteFile(filename, data="")
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bname = utils.CreateBackup(filename) |
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self.assertFileContent(bname, "") |
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self.assertEqual(len(glob.glob("%s*" % filename)), 2) |
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utils.CreateBackup(filename) |
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self.assertEqual(len(glob.glob("%s*" % filename)), 3) |
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utils.CreateBackup(filename) |
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self.assertEqual(len(glob.glob("%s*" % filename)), 4) |
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fifoname = utils.PathJoin(self.tmpdir, "fifo") |
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os.mkfifo(fifoname) |
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self.assertRaises(errors.ProgrammerError, utils.CreateBackup, fifoname)
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def testContent(self): |
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bkpcount = 0
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for data in ["", "X", "Hello World!\n" * 100, "Binary data\0\x01\x02\n"]: |
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for rep in [1, 2, 10, 127]: |
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testdata = data * rep |
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filename = utils.PathJoin(self.tmpdir, "test.data_") |
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utils.WriteFile(filename, data=testdata) |
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self.assertFileContent(filename, testdata)
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for _ in range(3): |
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bname = utils.CreateBackup(filename) |
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bkpcount += 1
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self.assertFileContent(bname, testdata)
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self.assertEqual(len(glob.glob("%s*" % filename)), 1 + bkpcount) |
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class TestListVisibleFiles(unittest.TestCase): |
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"""Test case for ListVisibleFiles"""
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def setUp(self): |
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self.path = tempfile.mkdtemp()
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def tearDown(self): |
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shutil.rmtree(self.path)
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def _CreateFiles(self, files): |
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for name in files: |
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utils.WriteFile(os.path.join(self.path, name), data="test") |
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def _test(self, files, expected): |
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self._CreateFiles(files)
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found = utils.ListVisibleFiles(self.path)
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self.assertEqual(set(found), set(expected)) |
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def testAllVisible(self): |
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files = ["a", "b", "c"] |
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expected = files |
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self._test(files, expected)
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def testNoneVisible(self): |
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files = [".a", ".b", ".c"] |
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expected = [] |
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self._test(files, expected)
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def testSomeVisible(self): |
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files = ["a", "b", ".c"] |
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expected = ["a", "b"] |
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self._test(files, expected)
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def testNonAbsolutePath(self): |
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self.failUnlessRaises(errors.ProgrammerError, utils.ListVisibleFiles,
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"abc")
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def testNonNormalizedPath(self): |
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self.failUnlessRaises(errors.ProgrammerError, utils.ListVisibleFiles,
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"/bin/../tmp")
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def testMountpoint(self): |
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lvfmp_fn = compat.partial(utils.ListVisibleFiles, |
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_is_mountpoint=lambda _: True) |
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self.assertEqual(lvfmp_fn(self.path), []) |
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# Create "lost+found" as a regular file
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self._CreateFiles(["foo", "bar", ".baz", "lost+found"]) |
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self.assertEqual(set(lvfmp_fn(self.path)), |
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set(["foo", "bar", "lost+found"])) |
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# Replace "lost+found" with a directory
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laf_path = utils.PathJoin(self.path, "lost+found") |
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utils.RemoveFile(laf_path) |
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os.mkdir(laf_path) |
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self.assertEqual(set(lvfmp_fn(self.path)), set(["foo", "bar"])) |
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def testLostAndFoundNoMountpoint(self): |
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files = ["foo", "bar", ".Hello World", "lost+found"] |
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expected = ["foo", "bar", "lost+found"] |
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self._test(files, expected)
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class TestWriteFile(unittest.TestCase): |
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def setUp(self): |
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self.tmpdir = None |
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self.tfile = tempfile.NamedTemporaryFile()
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self.did_pre = False |
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self.did_post = False |
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self.did_write = False |
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def tearDown(self): |
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if self.tmpdir: |
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shutil.rmtree(self.tmpdir)
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def markPre(self, fd): |
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self.did_pre = True |
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def markPost(self, fd): |
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self.did_post = True |
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def markWrite(self, fd): |
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self.did_write = True |
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def testWrite(self): |
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data = "abc"
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utils.WriteFile(self.tfile.name, data=data)
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self.assertEqual(utils.ReadFile(self.tfile.name), data) |
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def testWriteSimpleUnicode(self): |
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data = u"abc"
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utils.WriteFile(self.tfile.name, data=data)
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self.assertEqual(utils.ReadFile(self.tfile.name), data) |
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def testErrors(self): |
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self.assertRaises(errors.ProgrammerError, utils.WriteFile,
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self.tfile.name, data="test", fn=lambda fd: None) |
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self.assertRaises(errors.ProgrammerError, utils.WriteFile, self.tfile.name) |
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self.assertRaises(errors.ProgrammerError, utils.WriteFile,
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self.tfile.name, data="test", atime=0) |
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def testPreWrite(self): |
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utils.WriteFile(self.tfile.name, data="", prewrite=self.markPre) |
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self.assertTrue(self.did_pre) |
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self.assertFalse(self.did_post) |
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self.assertFalse(self.did_write) |
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def testPostWrite(self): |
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utils.WriteFile(self.tfile.name, data="", postwrite=self.markPost) |
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self.assertFalse(self.did_pre) |
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self.assertTrue(self.did_post) |
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self.assertFalse(self.did_write) |
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def testWriteFunction(self): |
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utils.WriteFile(self.tfile.name, fn=self.markWrite) |
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self.assertFalse(self.did_pre) |
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self.assertFalse(self.did_post) |
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self.assertTrue(self.did_write) |
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def testDryRun(self): |
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orig = "abc"
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self.tfile.write(orig)
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self.tfile.flush()
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utils.WriteFile(self.tfile.name, data="hello", dry_run=True) |
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self.assertEqual(utils.ReadFile(self.tfile.name), orig) |
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def testTimes(self): |
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f = self.tfile.name
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for at, mt in [(0, 0), (1000, 1000), (2000, 3000), |
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(int(time.time()), 5000)]: |
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utils.WriteFile(f, data="hello", atime=at, mtime=mt)
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st = os.stat(f) |
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self.assertEqual(st.st_atime, at)
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self.assertEqual(st.st_mtime, mt)
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def testNoClose(self): |
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data = "hello"
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self.assertEqual(utils.WriteFile(self.tfile.name, data="abc"), None) |
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fd = utils.WriteFile(self.tfile.name, data=data, close=False) |
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try:
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os.lseek(fd, 0, 0) |
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self.assertEqual(os.read(fd, 4096), data) |
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finally:
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os.close(fd) |
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def testNoLeftovers(self): |
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self.tmpdir = tempfile.mkdtemp()
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self.assertEqual(utils.WriteFile(utils.PathJoin(self.tmpdir, "test"), |
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data="abc"),
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None)
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self.assertEqual(os.listdir(self.tmpdir), ["test"]) |
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def testFailRename(self): |
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self.tmpdir = tempfile.mkdtemp()
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target = utils.PathJoin(self.tmpdir, "target") |
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os.mkdir(target) |
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self.assertRaises(OSError, utils.WriteFile, target, data="abc") |
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self.assertTrue(os.path.isdir(target))
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self.assertEqual(os.listdir(self.tmpdir), ["target"]) |
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self.assertFalse(os.listdir(target))
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def testFailRenameDryRun(self): |
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self.tmpdir = tempfile.mkdtemp()
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target = utils.PathJoin(self.tmpdir, "target") |
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os.mkdir(target) |
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self.assertEqual(utils.WriteFile(target, data="abc", dry_run=True), None) |
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self.assertTrue(os.path.isdir(target))
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self.assertEqual(os.listdir(self.tmpdir), ["target"]) |
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self.assertFalse(os.listdir(target))
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def testBackup(self): |
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self.tmpdir = tempfile.mkdtemp()
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testfile = utils.PathJoin(self.tmpdir, "test") |
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self.assertEqual(utils.WriteFile(testfile, data="foo", backup=True), None) |
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self.assertEqual(utils.ReadFile(testfile), "foo") |
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self.assertEqual(os.listdir(self.tmpdir), ["test"]) |
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# Write again
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assert os.path.isfile(testfile)
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self.assertEqual(utils.WriteFile(testfile, data="bar", backup=True), None) |
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self.assertEqual(utils.ReadFile(testfile), "bar") |
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self.assertEqual(len(glob.glob("%s.backup*" % testfile)), 1) |
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self.assertTrue("test" in os.listdir(self.tmpdir)) |
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self.assertEqual(len(os.listdir(self.tmpdir)), 2) |
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# Write again as dry-run
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assert os.path.isfile(testfile)
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self.assertEqual(utils.WriteFile(testfile, data="000", backup=True, |
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dry_run=True),
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None)
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self.assertEqual(utils.ReadFile(testfile), "bar") |
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self.assertEqual(len(glob.glob("%s.backup*" % testfile)), 1) |
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self.assertTrue("test" in os.listdir(self.tmpdir)) |
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self.assertEqual(len(os.listdir(self.tmpdir)), 2) |
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class TestFileID(testutils.GanetiTestCase): |
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def testEquality(self): |
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name = self._CreateTempFile()
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oldi = utils.GetFileID(path=name) |
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self.failUnless(utils.VerifyFileID(oldi, oldi))
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def testUpdate(self): |
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name = self._CreateTempFile()
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oldi = utils.GetFileID(path=name) |
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fd = os.open(name, os.O_RDWR) |
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try:
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newi = utils.GetFileID(fd=fd) |
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self.failUnless(utils.VerifyFileID(oldi, newi))
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self.failUnless(utils.VerifyFileID(newi, oldi))
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finally:
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os.close(fd) |
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def testWriteFile(self): |
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name = self._CreateTempFile()
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oldi = utils.GetFileID(path=name) |
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mtime = oldi[2]
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os.utime(name, (mtime + 10, mtime + 10)) |
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self.assertRaises(errors.LockError, utils.SafeWriteFile, name,
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oldi, data="")
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os.utime(name, (mtime - 10, mtime - 10)) |
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utils.SafeWriteFile(name, oldi, data="")
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oldi = utils.GetFileID(path=name) |
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mtime = oldi[2]
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os.utime(name, (mtime + 10, mtime + 10)) |
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# this doesn't raise, since we passed None
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utils.SafeWriteFile(name, None, data="") |
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|
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def testError(self): |
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t = tempfile.NamedTemporaryFile() |
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self.assertRaises(errors.ProgrammerError, utils.GetFileID,
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path=t.name, fd=t.fileno()) |
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|
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|
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class TestRemoveFile(unittest.TestCase): |
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"""Test case for the RemoveFile function"""
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def setUp(self): |
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"""Create a temp dir and file for each case"""
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self.tmpdir = tempfile.mkdtemp('', 'ganeti-unittest-') |
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fd, self.tmpfile = tempfile.mkstemp('', '', self.tmpdir) |
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os.close(fd) |
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|
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def tearDown(self): |
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if os.path.exists(self.tmpfile): |
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os.unlink(self.tmpfile)
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os.rmdir(self.tmpdir)
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|
| 450 |
def testIgnoreDirs(self): |
| 451 |
"""Test that RemoveFile() ignores directories"""
|
| 452 |
self.assertEqual(None, utils.RemoveFile(self.tmpdir)) |
| 453 |
|
| 454 |
def testIgnoreNotExisting(self): |
| 455 |
"""Test that RemoveFile() ignores non-existing files"""
|
| 456 |
utils.RemoveFile(self.tmpfile)
|
| 457 |
utils.RemoveFile(self.tmpfile)
|
| 458 |
|
| 459 |
def testRemoveFile(self): |
| 460 |
"""Test that RemoveFile does remove a file"""
|
| 461 |
utils.RemoveFile(self.tmpfile)
|
| 462 |
if os.path.exists(self.tmpfile): |
| 463 |
self.fail("File '%s' not removed" % self.tmpfile) |
| 464 |
|
| 465 |
def testRemoveSymlink(self): |
| 466 |
"""Test that RemoveFile does remove symlinks"""
|
| 467 |
symlink = self.tmpdir + "/symlink" |
| 468 |
os.symlink("no-such-file", symlink)
|
| 469 |
utils.RemoveFile(symlink) |
| 470 |
if os.path.exists(symlink):
|
| 471 |
self.fail("File '%s' not removed" % symlink) |
| 472 |
os.symlink(self.tmpfile, symlink)
|
| 473 |
utils.RemoveFile(symlink) |
| 474 |
if os.path.exists(symlink):
|
| 475 |
self.fail("File '%s' not removed" % symlink) |
| 476 |
|
| 477 |
|
| 478 |
class TestRemoveDir(unittest.TestCase): |
| 479 |
def setUp(self): |
| 480 |
self.tmpdir = tempfile.mkdtemp()
|
| 481 |
|
| 482 |
def tearDown(self): |
| 483 |
try:
|
| 484 |
shutil.rmtree(self.tmpdir)
|
| 485 |
except EnvironmentError: |
| 486 |
pass
|
| 487 |
|
| 488 |
def testEmptyDir(self): |
| 489 |
utils.RemoveDir(self.tmpdir)
|
| 490 |
self.assertFalse(os.path.isdir(self.tmpdir)) |
| 491 |
|
| 492 |
def testNonEmptyDir(self): |
| 493 |
self.tmpfile = os.path.join(self.tmpdir, "test1") |
| 494 |
open(self.tmpfile, "w").close() |
| 495 |
self.assertRaises(EnvironmentError, utils.RemoveDir, self.tmpdir) |
| 496 |
|
| 497 |
|
| 498 |
class TestRename(unittest.TestCase): |
| 499 |
"""Test case for RenameFile"""
|
| 500 |
|
| 501 |
def setUp(self): |
| 502 |
"""Create a temporary directory"""
|
| 503 |
self.tmpdir = tempfile.mkdtemp()
|
| 504 |
self.tmpfile = os.path.join(self.tmpdir, "test1") |
| 505 |
|
| 506 |
# Touch the file
|
| 507 |
open(self.tmpfile, "w").close() |
| 508 |
|
| 509 |
def tearDown(self): |
| 510 |
"""Remove temporary directory"""
|
| 511 |
shutil.rmtree(self.tmpdir)
|
| 512 |
|
| 513 |
def testSimpleRename1(self): |
| 514 |
"""Simple rename 1"""
|
| 515 |
utils.RenameFile(self.tmpfile, os.path.join(self.tmpdir, "xyz")) |
| 516 |
self.assert_(os.path.isfile(os.path.join(self.tmpdir, "xyz"))) |
| 517 |
|
| 518 |
def testSimpleRename2(self): |
| 519 |
"""Simple rename 2"""
|
| 520 |
utils.RenameFile(self.tmpfile, os.path.join(self.tmpdir, "xyz"), |
| 521 |
mkdir=True)
|
| 522 |
self.assert_(os.path.isfile(os.path.join(self.tmpdir, "xyz"))) |
| 523 |
|
| 524 |
def testRenameMkdir(self): |
| 525 |
"""Rename with mkdir"""
|
| 526 |
utils.RenameFile(self.tmpfile, os.path.join(self.tmpdir, "test/xyz"), |
| 527 |
mkdir=True)
|
| 528 |
self.assert_(os.path.isdir(os.path.join(self.tmpdir, "test"))) |
| 529 |
self.assert_(os.path.isfile(os.path.join(self.tmpdir, "test/xyz"))) |
| 530 |
|
| 531 |
self.assertRaises(EnvironmentError, utils.RenameFile, |
| 532 |
os.path.join(self.tmpdir, "test/xyz"), |
| 533 |
os.path.join(self.tmpdir, "test/foo/bar/baz"), |
| 534 |
mkdir=True)
|
| 535 |
|
| 536 |
self.assertTrue(os.path.exists(os.path.join(self.tmpdir, "test/xyz"))) |
| 537 |
self.assertFalse(os.path.exists(os.path.join(self.tmpdir, "test/foo/bar"))) |
| 538 |
self.assertFalse(os.path.exists(os.path.join(self.tmpdir, |
| 539 |
"test/foo/bar/baz")))
|
| 540 |
|
| 541 |
|
| 542 |
class TestMakedirs(unittest.TestCase): |
| 543 |
def setUp(self): |
| 544 |
self.tmpdir = tempfile.mkdtemp()
|
| 545 |
|
| 546 |
def tearDown(self): |
| 547 |
shutil.rmtree(self.tmpdir)
|
| 548 |
|
| 549 |
def testNonExisting(self): |
| 550 |
path = utils.PathJoin(self.tmpdir, "foo") |
| 551 |
utils.Makedirs(path) |
| 552 |
self.assert_(os.path.isdir(path))
|
| 553 |
|
| 554 |
def testExisting(self): |
| 555 |
path = utils.PathJoin(self.tmpdir, "foo") |
| 556 |
os.mkdir(path) |
| 557 |
utils.Makedirs(path) |
| 558 |
self.assert_(os.path.isdir(path))
|
| 559 |
|
| 560 |
def testRecursiveNonExisting(self): |
| 561 |
path = utils.PathJoin(self.tmpdir, "foo/bar/baz") |
| 562 |
utils.Makedirs(path) |
| 563 |
self.assert_(os.path.isdir(path))
|
| 564 |
|
| 565 |
def testRecursiveExisting(self): |
| 566 |
path = utils.PathJoin(self.tmpdir, "B/moo/xyz") |
| 567 |
self.assertFalse(os.path.exists(path))
|
| 568 |
os.mkdir(utils.PathJoin(self.tmpdir, "B")) |
| 569 |
utils.Makedirs(path) |
| 570 |
self.assert_(os.path.isdir(path))
|
| 571 |
|
| 572 |
|
| 573 |
class TestEnsureDirs(unittest.TestCase): |
| 574 |
"""Tests for EnsureDirs"""
|
| 575 |
|
| 576 |
def setUp(self): |
| 577 |
self.dir = tempfile.mkdtemp()
|
| 578 |
self.old_umask = os.umask(0777) |
| 579 |
|
| 580 |
def testEnsureDirs(self): |
| 581 |
utils.EnsureDirs([ |
| 582 |
(utils.PathJoin(self.dir, "foo"), 0777), |
| 583 |
(utils.PathJoin(self.dir, "bar"), 0000), |
| 584 |
]) |
| 585 |
self.assertEquals(os.stat(utils.PathJoin(self.dir, "foo"))[0] & 0777, 0777) |
| 586 |
self.assertEquals(os.stat(utils.PathJoin(self.dir, "bar"))[0] & 0777, 0000) |
| 587 |
|
| 588 |
def tearDown(self): |
| 589 |
os.rmdir(utils.PathJoin(self.dir, "foo")) |
| 590 |
os.rmdir(utils.PathJoin(self.dir, "bar")) |
| 591 |
os.rmdir(self.dir)
|
| 592 |
os.umask(self.old_umask)
|
| 593 |
|
| 594 |
|
| 595 |
class TestIsNormAbsPath(unittest.TestCase): |
| 596 |
"""Testing case for IsNormAbsPath"""
|
| 597 |
|
| 598 |
def _pathTestHelper(self, path, result): |
| 599 |
if result:
|
| 600 |
self.assert_(utils.IsNormAbsPath(path),
|
| 601 |
"Path %s should result absolute and normalized" % path)
|
| 602 |
else:
|
| 603 |
self.assertFalse(utils.IsNormAbsPath(path),
|
| 604 |
"Path %s should not result absolute and normalized" % path)
|
| 605 |
|
| 606 |
def testBase(self): |
| 607 |
self._pathTestHelper("/etc", True) |
| 608 |
self._pathTestHelper("/srv", True) |
| 609 |
self._pathTestHelper("etc", False) |
| 610 |
self._pathTestHelper("/etc/../root", False) |
| 611 |
self._pathTestHelper("/etc/", False) |
| 612 |
|
| 613 |
|
| 614 |
class TestIsBelowDir(unittest.TestCase): |
| 615 |
"""Testing case for IsBelowDir"""
|
| 616 |
|
| 617 |
def testSamePrefix(self): |
| 618 |
self.assertTrue(utils.IsBelowDir("/a/b", "/a/b/c")) |
| 619 |
self.assertTrue(utils.IsBelowDir("/a/b/", "/a/b/e")) |
| 620 |
|
| 621 |
def testSamePrefixButDifferentDir(self): |
| 622 |
self.assertFalse(utils.IsBelowDir("/a/b", "/a/bc/d")) |
| 623 |
self.assertFalse(utils.IsBelowDir("/a/b/", "/a/bc/e")) |
| 624 |
|
| 625 |
def testSamePrefixButDirTraversal(self): |
| 626 |
self.assertFalse(utils.IsBelowDir("/a/b", "/a/b/../c")) |
| 627 |
self.assertFalse(utils.IsBelowDir("/a/b/", "/a/b/../d")) |
| 628 |
|
| 629 |
def testSamePrefixAndTraversal(self): |
| 630 |
self.assertTrue(utils.IsBelowDir("/a/b", "/a/b/c/../d")) |
| 631 |
self.assertTrue(utils.IsBelowDir("/a/b", "/a/b/c/./e")) |
| 632 |
self.assertTrue(utils.IsBelowDir("/a/b", "/a/b/../b/./e")) |
| 633 |
|
| 634 |
def testBothAbsPath(self): |
| 635 |
self.assertRaises(ValueError, utils.IsBelowDir, "/a/b/c", "d") |
| 636 |
self.assertRaises(ValueError, utils.IsBelowDir, "a/b/c", "/d") |
| 637 |
self.assertRaises(ValueError, utils.IsBelowDir, "a/b/c", "d") |
| 638 |
|
| 639 |
|
| 640 |
class TestPathJoin(unittest.TestCase): |
| 641 |
"""Testing case for PathJoin"""
|
| 642 |
|
| 643 |
def testBasicItems(self): |
| 644 |
mlist = ["/a", "b", "c"] |
| 645 |
self.failUnlessEqual(utils.PathJoin(*mlist), "/".join(mlist)) |
| 646 |
|
| 647 |
def testNonAbsPrefix(self): |
| 648 |
self.failUnlessRaises(ValueError, utils.PathJoin, "a", "b") |
| 649 |
|
| 650 |
def testBackTrack(self): |
| 651 |
self.failUnlessRaises(ValueError, utils.PathJoin, "/a", "b/../c") |
| 652 |
|
| 653 |
def testMultiAbs(self): |
| 654 |
self.failUnlessRaises(ValueError, utils.PathJoin, "/a", "/b") |
| 655 |
|
| 656 |
|
| 657 |
class TestTailFile(testutils.GanetiTestCase): |
| 658 |
"""Test case for the TailFile function"""
|
| 659 |
|
| 660 |
def testEmpty(self): |
| 661 |
fname = self._CreateTempFile()
|
| 662 |
self.failUnlessEqual(utils.TailFile(fname), [])
|
| 663 |
self.failUnlessEqual(utils.TailFile(fname, lines=25), []) |
| 664 |
|
| 665 |
def testAllLines(self): |
| 666 |
data = ["test %d" % i for i in range(30)] |
| 667 |
for i in range(30): |
| 668 |
fname = self._CreateTempFile()
|
| 669 |
fd = open(fname, "w") |
| 670 |
fd.write("\n".join(data[:i]))
|
| 671 |
if i > 0: |
| 672 |
fd.write("\n")
|
| 673 |
fd.close() |
| 674 |
self.failUnlessEqual(utils.TailFile(fname, lines=i), data[:i])
|
| 675 |
|
| 676 |
def testPartialLines(self): |
| 677 |
data = ["test %d" % i for i in range(30)] |
| 678 |
fname = self._CreateTempFile()
|
| 679 |
fd = open(fname, "w") |
| 680 |
fd.write("\n".join(data))
|
| 681 |
fd.write("\n")
|
| 682 |
fd.close() |
| 683 |
for i in range(1, 30): |
| 684 |
self.failUnlessEqual(utils.TailFile(fname, lines=i), data[-i:])
|
| 685 |
|
| 686 |
def testBigFile(self): |
| 687 |
data = ["test %d" % i for i in range(30)] |
| 688 |
fname = self._CreateTempFile()
|
| 689 |
fd = open(fname, "w") |
| 690 |
fd.write("X" * 1048576) |
| 691 |
fd.write("\n")
|
| 692 |
fd.write("\n".join(data))
|
| 693 |
fd.write("\n")
|
| 694 |
fd.close() |
| 695 |
for i in range(1, 30): |
| 696 |
self.failUnlessEqual(utils.TailFile(fname, lines=i), data[-i:])
|
| 697 |
|
| 698 |
|
| 699 |
class TestPidFileFunctions(unittest.TestCase): |
| 700 |
"""Tests for WritePidFile and ReadPidFile"""
|
| 701 |
|
| 702 |
def setUp(self): |
| 703 |
self.dir = tempfile.mkdtemp()
|
| 704 |
self.f_dpn = lambda name: os.path.join(self.dir, "%s.pid" % name) |
| 705 |
|
| 706 |
def testPidFileFunctions(self): |
| 707 |
pid_file = self.f_dpn('test') |
| 708 |
fd = utils.WritePidFile(self.f_dpn('test')) |
| 709 |
self.failUnless(os.path.exists(pid_file),
|
| 710 |
"PID file should have been created")
|
| 711 |
read_pid = utils.ReadPidFile(pid_file) |
| 712 |
self.failUnlessEqual(read_pid, os.getpid())
|
| 713 |
self.failUnless(utils.IsProcessAlive(read_pid))
|
| 714 |
self.failUnlessRaises(errors.LockError, utils.WritePidFile,
|
| 715 |
self.f_dpn('test')) |
| 716 |
os.close(fd) |
| 717 |
utils.RemoveFile(self.f_dpn("test")) |
| 718 |
self.failIf(os.path.exists(pid_file),
|
| 719 |
"PID file should not exist anymore")
|
| 720 |
self.failUnlessEqual(utils.ReadPidFile(pid_file), 0, |
| 721 |
"ReadPidFile should return 0 for missing pid file")
|
| 722 |
fh = open(pid_file, "w") |
| 723 |
fh.write("blah\n")
|
| 724 |
fh.close() |
| 725 |
self.failUnlessEqual(utils.ReadPidFile(pid_file), 0, |
| 726 |
"ReadPidFile should return 0 for invalid pid file")
|
| 727 |
# but now, even with the file existing, we should be able to lock it
|
| 728 |
fd = utils.WritePidFile(self.f_dpn('test')) |
| 729 |
os.close(fd) |
| 730 |
utils.RemoveFile(self.f_dpn("test")) |
| 731 |
self.failIf(os.path.exists(pid_file),
|
| 732 |
"PID file should not exist anymore")
|
| 733 |
|
| 734 |
def testKill(self): |
| 735 |
pid_file = self.f_dpn('child') |
| 736 |
r_fd, w_fd = os.pipe() |
| 737 |
new_pid = os.fork() |
| 738 |
if new_pid == 0: #child |
| 739 |
utils.WritePidFile(self.f_dpn('child')) |
| 740 |
os.write(w_fd, 'a')
|
| 741 |
signal.pause() |
| 742 |
os._exit(0)
|
| 743 |
return
|
| 744 |
# else we are in the parent
|
| 745 |
# wait until the child has written the pid file
|
| 746 |
os.read(r_fd, 1)
|
| 747 |
read_pid = utils.ReadPidFile(pid_file) |
| 748 |
self.failUnlessEqual(read_pid, new_pid)
|
| 749 |
self.failUnless(utils.IsProcessAlive(new_pid))
|
| 750 |
utils.KillProcess(new_pid, waitpid=True)
|
| 751 |
self.failIf(utils.IsProcessAlive(new_pid))
|
| 752 |
utils.RemoveFile(self.f_dpn('child')) |
| 753 |
self.failUnlessRaises(errors.ProgrammerError, utils.KillProcess, 0) |
| 754 |
|
| 755 |
def tearDown(self): |
| 756 |
shutil.rmtree(self.dir)
|
| 757 |
|
| 758 |
|
| 759 |
class TestSshKeys(testutils.GanetiTestCase): |
| 760 |
"""Test case for the AddAuthorizedKey function"""
|
| 761 |
|
| 762 |
KEY_A = 'ssh-dss AAAAB3NzaC1w5256closdj32mZaQU root@key-a'
|
| 763 |
KEY_B = ('command="/usr/bin/fooserver -t --verbose",from="198.51.100.4" '
|
| 764 |
'ssh-dss AAAAB3NzaC1w520smc01ms0jfJs22 root@key-b')
|
| 765 |
|
| 766 |
def setUp(self): |
| 767 |
testutils.GanetiTestCase.setUp(self)
|
| 768 |
self.tmpname = self._CreateTempFile() |
| 769 |
handle = open(self.tmpname, 'w') |
| 770 |
try:
|
| 771 |
handle.write("%s\n" % TestSshKeys.KEY_A)
|
| 772 |
handle.write("%s\n" % TestSshKeys.KEY_B)
|
| 773 |
finally:
|
| 774 |
handle.close() |
| 775 |
|
| 776 |
def testAddingNewKey(self): |
| 777 |
utils.AddAuthorizedKey(self.tmpname,
|
| 778 |
'ssh-dss AAAAB3NzaC1kc3MAAACB root@test')
|
| 779 |
|
| 780 |
self.assertFileContent(self.tmpname, |
| 781 |
"ssh-dss AAAAB3NzaC1w5256closdj32mZaQU root@key-a\n"
|
| 782 |
'command="/usr/bin/fooserver -t --verbose",from="198.51.100.4"'
|
| 783 |
" ssh-dss AAAAB3NzaC1w520smc01ms0jfJs22 root@key-b\n"
|
| 784 |
"ssh-dss AAAAB3NzaC1kc3MAAACB root@test\n")
|
| 785 |
|
| 786 |
def testAddingAlmostButNotCompletelyTheSameKey(self): |
| 787 |
utils.AddAuthorizedKey(self.tmpname,
|
| 788 |
'ssh-dss AAAAB3NzaC1w5256closdj32mZaQU root@test')
|
| 789 |
|
| 790 |
self.assertFileContent(self.tmpname, |
| 791 |
"ssh-dss AAAAB3NzaC1w5256closdj32mZaQU root@key-a\n"
|
| 792 |
'command="/usr/bin/fooserver -t --verbose",from="198.51.100.4"'
|
| 793 |
" ssh-dss AAAAB3NzaC1w520smc01ms0jfJs22 root@key-b\n"
|
| 794 |
"ssh-dss AAAAB3NzaC1w5256closdj32mZaQU root@test\n")
|
| 795 |
|
| 796 |
def testAddingExistingKeyWithSomeMoreSpaces(self): |
| 797 |
utils.AddAuthorizedKey(self.tmpname,
|
| 798 |
'ssh-dss AAAAB3NzaC1w5256closdj32mZaQU root@key-a')
|
| 799 |
|
| 800 |
self.assertFileContent(self.tmpname, |
| 801 |
"ssh-dss AAAAB3NzaC1w5256closdj32mZaQU root@key-a\n"
|
| 802 |
'command="/usr/bin/fooserver -t --verbose",from="198.51.100.4"'
|
| 803 |
" ssh-dss AAAAB3NzaC1w520smc01ms0jfJs22 root@key-b\n")
|
| 804 |
|
| 805 |
def testRemovingExistingKeyWithSomeMoreSpaces(self): |
| 806 |
utils.RemoveAuthorizedKey(self.tmpname,
|
| 807 |
'ssh-dss AAAAB3NzaC1w5256closdj32mZaQU root@key-a')
|
| 808 |
|
| 809 |
self.assertFileContent(self.tmpname, |
| 810 |
'command="/usr/bin/fooserver -t --verbose",from="198.51.100.4"'
|
| 811 |
" ssh-dss AAAAB3NzaC1w520smc01ms0jfJs22 root@key-b\n")
|
| 812 |
|
| 813 |
def testRemovingNonExistingKey(self): |
| 814 |
utils.RemoveAuthorizedKey(self.tmpname,
|
| 815 |
'ssh-dss AAAAB3Nsdfj230xxjxJjsjwjsjdjU root@test')
|
| 816 |
|
| 817 |
self.assertFileContent(self.tmpname, |
| 818 |
"ssh-dss AAAAB3NzaC1w5256closdj32mZaQU root@key-a\n"
|
| 819 |
'command="/usr/bin/fooserver -t --verbose",from="198.51.100.4"'
|
| 820 |
" ssh-dss AAAAB3NzaC1w520smc01ms0jfJs22 root@key-b\n")
|
| 821 |
|
| 822 |
|
| 823 |
class TestNewUUID(unittest.TestCase): |
| 824 |
"""Test case for NewUUID"""
|
| 825 |
|
| 826 |
def runTest(self): |
| 827 |
self.failUnless(utils.UUID_RE.match(utils.NewUUID()))
|
| 828 |
|
| 829 |
|
| 830 |
def _MockStatResult(cb, mode, uid, gid): |
| 831 |
def _fn(path): |
| 832 |
if cb:
|
| 833 |
cb() |
| 834 |
return {
|
| 835 |
stat.ST_MODE: mode, |
| 836 |
stat.ST_UID: uid, |
| 837 |
stat.ST_GID: gid, |
| 838 |
} |
| 839 |
return _fn
|
| 840 |
|
| 841 |
|
| 842 |
def _RaiseNoEntError(): |
| 843 |
raise EnvironmentError(errno.ENOENT, "not found") |
| 844 |
|
| 845 |
|
| 846 |
def _OtherStatRaise(): |
| 847 |
raise EnvironmentError() |
| 848 |
|
| 849 |
|
| 850 |
class TestPermissionEnforcements(unittest.TestCase): |
| 851 |
UID_A = 16024
|
| 852 |
UID_B = 25850
|
| 853 |
GID_A = 14028
|
| 854 |
GID_B = 29801
|
| 855 |
|
| 856 |
def setUp(self): |
| 857 |
self._chown_calls = []
|
| 858 |
self._chmod_calls = []
|
| 859 |
self._mkdir_calls = []
|
| 860 |
|
| 861 |
def tearDown(self): |
| 862 |
self.assertRaises(IndexError, self._mkdir_calls.pop) |
| 863 |
self.assertRaises(IndexError, self._chmod_calls.pop) |
| 864 |
self.assertRaises(IndexError, self._chown_calls.pop) |
| 865 |
|
| 866 |
def _FakeMkdir(self, path): |
| 867 |
self._mkdir_calls.append(path)
|
| 868 |
|
| 869 |
def _FakeChown(self, path, uid, gid): |
| 870 |
self._chown_calls.append((path, uid, gid))
|
| 871 |
|
| 872 |
def _ChmodWrapper(self, cb): |
| 873 |
def _fn(path, mode): |
| 874 |
self._chmod_calls.append((path, mode))
|
| 875 |
if cb:
|
| 876 |
cb() |
| 877 |
return _fn
|
| 878 |
|
| 879 |
def _VerifyPerm(self, path, mode, uid=-1, gid=-1): |
| 880 |
self.assertEqual(path, "/ganeti-qa-non-test") |
| 881 |
self.assertEqual(mode, 0700) |
| 882 |
self.assertEqual(uid, self.UID_A) |
| 883 |
self.assertEqual(gid, self.GID_A) |
| 884 |
|
| 885 |
def testMakeDirWithPerm(self): |
| 886 |
is_dir_stat = _MockStatResult(None, stat.S_IFDIR, 0, 0) |
| 887 |
utils.MakeDirWithPerm("/ganeti-qa-non-test", 0700, self.UID_A, self.GID_A, |
| 888 |
_lstat_fn=is_dir_stat, _perm_fn=self._VerifyPerm)
|
| 889 |
|
| 890 |
def testDirErrors(self): |
| 891 |
self.assertRaises(errors.GenericError, utils.MakeDirWithPerm,
|
| 892 |
"/ganeti-qa-non-test", 0700, 0, 0, |
| 893 |
_lstat_fn=_MockStatResult(None, 0, 0, 0)) |
| 894 |
self.assertRaises(IndexError, self._mkdir_calls.pop) |
| 895 |
|
| 896 |
other_stat_raise = _MockStatResult(_OtherStatRaise, stat.S_IFDIR, 0, 0) |
| 897 |
self.assertRaises(errors.GenericError, utils.MakeDirWithPerm,
|
| 898 |
"/ganeti-qa-non-test", 0700, 0, 0, |
| 899 |
_lstat_fn=other_stat_raise) |
| 900 |
self.assertRaises(IndexError, self._mkdir_calls.pop) |
| 901 |
|
| 902 |
non_exist_stat = _MockStatResult(_RaiseNoEntError, stat.S_IFDIR, 0, 0) |
| 903 |
utils.MakeDirWithPerm("/ganeti-qa-non-test", 0700, self.UID_A, self.GID_A, |
| 904 |
_lstat_fn=non_exist_stat, _mkdir_fn=self._FakeMkdir,
|
| 905 |
_perm_fn=self._VerifyPerm)
|
| 906 |
self.assertEqual(self._mkdir_calls.pop(0), "/ganeti-qa-non-test") |
| 907 |
|
| 908 |
def testEnforcePermissionNoEnt(self): |
| 909 |
self.assertRaises(errors.GenericError, utils.EnforcePermission,
|
| 910 |
"/ganeti-qa-non-test", 0600, |
| 911 |
_chmod_fn=NotImplemented, _chown_fn=NotImplemented, |
| 912 |
_stat_fn=_MockStatResult(_RaiseNoEntError, 0, 0, 0)) |
| 913 |
|
| 914 |
def testEnforcePermissionNoEntMustNotExist(self): |
| 915 |
utils.EnforcePermission("/ganeti-qa-non-test", 0600, must_exist=False, |
| 916 |
_chmod_fn=NotImplemented,
|
| 917 |
_chown_fn=NotImplemented,
|
| 918 |
_stat_fn=_MockStatResult(_RaiseNoEntError, |
| 919 |
0, 0, 0)) |
| 920 |
|
| 921 |
def testEnforcePermissionOtherErrorMustNotExist(self): |
| 922 |
self.assertRaises(errors.GenericError, utils.EnforcePermission,
|
| 923 |
"/ganeti-qa-non-test", 0600, must_exist=False, |
| 924 |
_chmod_fn=NotImplemented, _chown_fn=NotImplemented, |
| 925 |
_stat_fn=_MockStatResult(_OtherStatRaise, 0, 0, 0)) |
| 926 |
|
| 927 |
def testEnforcePermissionNoChanges(self): |
| 928 |
utils.EnforcePermission("/ganeti-qa-non-test", 0600, |
| 929 |
_stat_fn=_MockStatResult(None, 0600, 0, 0), |
| 930 |
_chmod_fn=self._ChmodWrapper(None), |
| 931 |
_chown_fn=self._FakeChown)
|
| 932 |
|
| 933 |
def testEnforcePermissionChangeMode(self): |
| 934 |
utils.EnforcePermission("/ganeti-qa-non-test", 0444, |
| 935 |
_stat_fn=_MockStatResult(None, 0600, 0, 0), |
| 936 |
_chmod_fn=self._ChmodWrapper(None), |
| 937 |
_chown_fn=self._FakeChown)
|
| 938 |
self.assertEqual(self._chmod_calls.pop(0), ("/ganeti-qa-non-test", 0444)) |
| 939 |
|
| 940 |
def testEnforcePermissionSetUidGid(self): |
| 941 |
utils.EnforcePermission("/ganeti-qa-non-test", 0600, |
| 942 |
uid=self.UID_B, gid=self.GID_B, |
| 943 |
_stat_fn=_MockStatResult(None, 0600, |
| 944 |
self.UID_A,
|
| 945 |
self.GID_A),
|
| 946 |
_chmod_fn=self._ChmodWrapper(None), |
| 947 |
_chown_fn=self._FakeChown)
|
| 948 |
self.assertEqual(self._chown_calls.pop(0), |
| 949 |
("/ganeti-qa-non-test", self.UID_B, self.GID_B)) |
| 950 |
|
| 951 |
|
| 952 |
if __name__ == "__main__": |
| 953 |
testutils.GanetiTestProgram() |