root / test / ganeti.utils_unittest.py @ c50645c0
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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 unittesting the utils module"""
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import errno |
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import fcntl |
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import glob |
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import os |
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import os.path |
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import re |
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import shutil |
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import signal |
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import socket |
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import stat |
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import tempfile |
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import time |
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import unittest |
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import warnings |
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import random |
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import operator |
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import testutils |
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from ganeti import constants |
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from ganeti import compat |
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from ganeti import utils |
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from ganeti import errors |
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from ganeti.utils import RunCmd, \ |
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FirstFree, \
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RunParts, \
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SetEtcHostsEntry, RemoveEtcHostsEntry |
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class TestIsProcessAlive(unittest.TestCase): |
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"""Testing case for IsProcessAlive"""
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def testExists(self): |
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mypid = os.getpid() |
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self.assert_(utils.IsProcessAlive(mypid), "can't find myself running") |
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def testNotExisting(self): |
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pid_non_existing = os.fork() |
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if pid_non_existing == 0: |
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os._exit(0)
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elif pid_non_existing < 0: |
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raise SystemError("can't fork") |
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os.waitpid(pid_non_existing, 0)
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self.assertFalse(utils.IsProcessAlive(pid_non_existing),
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"nonexisting process detected")
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class TestGetProcStatusPath(unittest.TestCase): |
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def test(self): |
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self.assert_("/1234/" in utils._GetProcStatusPath(1234)) |
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self.assertNotEqual(utils._GetProcStatusPath(1), |
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utils._GetProcStatusPath(2))
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class TestIsProcessHandlingSignal(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 testParseSigsetT(self): |
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self.assertEqual(len(utils._ParseSigsetT("0")), 0) |
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self.assertEqual(utils._ParseSigsetT("1"), set([1])) |
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self.assertEqual(utils._ParseSigsetT("1000a"), set([2, 4, 17])) |
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self.assertEqual(utils._ParseSigsetT("810002"), set([2, 17, 24, ])) |
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self.assertEqual(utils._ParseSigsetT("0000000180000202"), |
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set([2, 10, 32, 33])) |
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self.assertEqual(utils._ParseSigsetT("0000000180000002"), |
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set([2, 32, 33])) |
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self.assertEqual(utils._ParseSigsetT("0000000188000002"), |
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set([2, 28, 32, 33])) |
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self.assertEqual(utils._ParseSigsetT("000000004b813efb"), |
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set([1, 2, 4, 5, 6, 7, 8, 10, 11, 12, 13, 14, 17, |
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24, 25, 26, 28, 31])) |
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self.assertEqual(utils._ParseSigsetT("ffffff"), set(range(1, 25))) |
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def testGetProcStatusField(self): |
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for field in ["SigCgt", "Name", "FDSize"]: |
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for value in ["", "0", "cat", " 1234 KB"]: |
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pstatus = "\n".join([
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"VmPeak: 999 kB",
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"%s: %s" % (field, value),
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"TracerPid: 0",
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]) |
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result = utils._GetProcStatusField(pstatus, field) |
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self.assertEqual(result, value.strip())
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def test(self): |
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sp = utils.PathJoin(self.tmpdir, "status") |
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utils.WriteFile(sp, data="\n".join([
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"Name: bash",
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"State: S (sleeping)",
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"SleepAVG: 98%",
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"Pid: 22250",
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"PPid: 10858",
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"TracerPid: 0",
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"SigBlk: 0000000000010000",
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"SigIgn: 0000000000384004",
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"SigCgt: 000000004b813efb",
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"CapEff: 0000000000000000",
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])) |
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self.assert_(utils.IsProcessHandlingSignal(1234, 10, status_path=sp)) |
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def testNoSigCgt(self): |
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sp = utils.PathJoin(self.tmpdir, "status") |
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utils.WriteFile(sp, data="\n".join([
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"Name: bash",
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])) |
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self.assertRaises(RuntimeError, utils.IsProcessHandlingSignal, |
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1234, 10, status_path=sp) |
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def testNoSuchFile(self): |
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sp = utils.PathJoin(self.tmpdir, "notexist") |
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self.assertFalse(utils.IsProcessHandlingSignal(1234, 10, status_path=sp)) |
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@staticmethod
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def _TestRealProcess(): |
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signal.signal(signal.SIGUSR1, signal.SIG_DFL) |
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if utils.IsProcessHandlingSignal(os.getpid(), signal.SIGUSR1):
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raise Exception("SIGUSR1 is handled when it should not be") |
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signal.signal(signal.SIGUSR1, lambda signum, frame: None) |
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if not utils.IsProcessHandlingSignal(os.getpid(), signal.SIGUSR1): |
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raise Exception("SIGUSR1 is not handled when it should be") |
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signal.signal(signal.SIGUSR1, signal.SIG_IGN) |
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if utils.IsProcessHandlingSignal(os.getpid(), signal.SIGUSR1):
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raise Exception("SIGUSR1 is not handled when it should be") |
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signal.signal(signal.SIGUSR1, signal.SIG_DFL) |
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if utils.IsProcessHandlingSignal(os.getpid(), signal.SIGUSR1):
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raise Exception("SIGUSR1 is handled when it should not be") |
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return True |
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def testRealProcess(self): |
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self.assert_(utils.RunInSeparateProcess(self._TestRealProcess)) |
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class TestRunCmd(testutils.GanetiTestCase): |
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"""Testing case for the RunCmd function"""
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def setUp(self): |
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testutils.GanetiTestCase.setUp(self)
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self.magic = time.ctime() + " ganeti test" |
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self.fname = self._CreateTempFile() |
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self.fifo_tmpdir = tempfile.mkdtemp()
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self.fifo_file = os.path.join(self.fifo_tmpdir, "ganeti_test_fifo") |
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os.mkfifo(self.fifo_file)
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def tearDown(self): |
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shutil.rmtree(self.fifo_tmpdir)
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testutils.GanetiTestCase.tearDown(self)
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def testOk(self): |
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"""Test successful exit code"""
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result = RunCmd("/bin/sh -c 'exit 0'")
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self.assertEqual(result.exit_code, 0) |
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self.assertEqual(result.output, "") |
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def testFail(self): |
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"""Test fail exit code"""
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result = RunCmd("/bin/sh -c 'exit 1'")
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self.assertEqual(result.exit_code, 1) |
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self.assertEqual(result.output, "") |
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def testStdout(self): |
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"""Test standard output"""
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cmd = 'echo -n "%s"' % self.magic |
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result = RunCmd("/bin/sh -c '%s'" % cmd)
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self.assertEqual(result.stdout, self.magic) |
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result = RunCmd("/bin/sh -c '%s'" % cmd, output=self.fname) |
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self.assertEqual(result.output, "") |
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self.assertFileContent(self.fname, self.magic) |
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def testStderr(self): |
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"""Test standard error"""
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cmd = 'echo -n "%s"' % self.magic |
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result = RunCmd("/bin/sh -c '%s' 1>&2" % cmd)
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self.assertEqual(result.stderr, self.magic) |
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result = RunCmd("/bin/sh -c '%s' 1>&2" % cmd, output=self.fname) |
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self.assertEqual(result.output, "") |
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self.assertFileContent(self.fname, self.magic) |
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def testCombined(self): |
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"""Test combined output"""
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cmd = 'echo -n "A%s"; echo -n "B%s" 1>&2' % (self.magic, self.magic) |
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expected = "A" + self.magic + "B" + self.magic |
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result = RunCmd("/bin/sh -c '%s'" % cmd)
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self.assertEqual(result.output, expected)
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result = RunCmd("/bin/sh -c '%s'" % cmd, output=self.fname) |
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self.assertEqual(result.output, "") |
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self.assertFileContent(self.fname, expected) |
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def testSignal(self): |
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"""Test signal"""
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result = RunCmd(["python", "-c", "import os; os.kill(os.getpid(), 15)"]) |
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self.assertEqual(result.signal, 15) |
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self.assertEqual(result.output, "") |
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def testTimeoutClean(self): |
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cmd = "trap 'exit 0' TERM; read < %s" % self.fifo_file |
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result = RunCmd(["/bin/sh", "-c", cmd], timeout=0.2) |
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self.assertEqual(result.exit_code, 0) |
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def testTimeoutKill(self): |
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cmd = ["/bin/sh", "-c", "trap '' TERM; read < %s" % self.fifo_file] |
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timeout = 0.2
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out, err, status, ta = utils._RunCmdPipe(cmd, {}, False, "/", False,
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timeout, _linger_timeout=0.2)
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self.assert_(status < 0) |
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self.assertEqual(-status, signal.SIGKILL)
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def testTimeoutOutputAfterTerm(self): |
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cmd = "trap 'echo sigtermed; exit 1' TERM; read < %s" % self.fifo_file |
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result = RunCmd(["/bin/sh", "-c", cmd], timeout=0.2) |
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self.assert_(result.failed)
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self.assertEqual(result.stdout, "sigtermed\n") |
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def testListRun(self): |
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"""Test list runs"""
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result = RunCmd(["true"])
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self.assertEqual(result.signal, None) |
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self.assertEqual(result.exit_code, 0) |
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result = RunCmd(["/bin/sh", "-c", "exit 1"]) |
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self.assertEqual(result.signal, None) |
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self.assertEqual(result.exit_code, 1) |
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result = RunCmd(["echo", "-n", self.magic]) |
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self.assertEqual(result.signal, None) |
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self.assertEqual(result.exit_code, 0) |
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self.assertEqual(result.stdout, self.magic) |
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def testFileEmptyOutput(self): |
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"""Test file output"""
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result = RunCmd(["true"], output=self.fname) |
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self.assertEqual(result.signal, None) |
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self.assertEqual(result.exit_code, 0) |
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self.assertFileContent(self.fname, "") |
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def testLang(self): |
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"""Test locale environment"""
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old_env = os.environ.copy() |
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try:
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os.environ["LANG"] = "en_US.UTF-8" |
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os.environ["LC_ALL"] = "en_US.UTF-8" |
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result = RunCmd(["locale"])
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for line in result.output.splitlines(): |
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key, value = line.split("=", 1) |
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# Ignore these variables, they're overridden by LC_ALL
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if key == "LANG" or key == "LANGUAGE": |
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continue
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self.failIf(value and value != "C" and value != '"C"', |
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"Variable %s is set to the invalid value '%s'" % (key, value))
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finally:
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os.environ = old_env |
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def testDefaultCwd(self): |
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"""Test default working directory"""
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self.failUnlessEqual(RunCmd(["pwd"]).stdout.strip(), "/") |
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def testCwd(self): |
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"""Test default working directory"""
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self.failUnlessEqual(RunCmd(["pwd"], cwd="/").stdout.strip(), "/") |
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self.failUnlessEqual(RunCmd(["pwd"], cwd="/tmp").stdout.strip(), "/tmp") |
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cwd = os.getcwd() |
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self.failUnlessEqual(RunCmd(["pwd"], cwd=cwd).stdout.strip(), cwd) |
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def testResetEnv(self): |
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"""Test environment reset functionality"""
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self.failUnlessEqual(RunCmd(["env"], reset_env=True).stdout.strip(), "") |
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self.failUnlessEqual(RunCmd(["env"], reset_env=True, |
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env={"FOO": "bar",}).stdout.strip(), "FOO=bar")
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def testNoFork(self): |
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"""Test that nofork raise an error"""
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self.assertFalse(utils._no_fork)
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utils.DisableFork() |
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try:
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self.assertTrue(utils._no_fork)
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self.assertRaises(errors.ProgrammerError, RunCmd, ["true"]) |
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finally:
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utils._no_fork = False
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def testWrongParams(self): |
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"""Test wrong parameters"""
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self.assertRaises(errors.ProgrammerError, RunCmd, ["true"], |
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output="/dev/null", interactive=True) |
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class TestRunParts(testutils.GanetiTestCase): |
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"""Testing case for the RunParts function"""
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def setUp(self): |
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self.rundir = tempfile.mkdtemp(prefix="ganeti-test", suffix=".tmp") |
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def tearDown(self): |
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shutil.rmtree(self.rundir)
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def testEmpty(self): |
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"""Test on an empty dir"""
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self.failUnlessEqual(RunParts(self.rundir, reset_env=True), []) |
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def testSkipWrongName(self): |
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"""Test that wrong files are skipped"""
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fname = os.path.join(self.rundir, "00test.dot") |
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utils.WriteFile(fname, data="")
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os.chmod(fname, stat.S_IREAD | stat.S_IEXEC) |
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relname = os.path.basename(fname) |
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self.failUnlessEqual(RunParts(self.rundir, reset_env=True), |
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[(relname, constants.RUNPARTS_SKIP, None)])
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def testSkipNonExec(self): |
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"""Test that non executable files are skipped"""
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fname = os.path.join(self.rundir, "00test") |
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utils.WriteFile(fname, data="")
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relname = os.path.basename(fname) |
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self.failUnlessEqual(RunParts(self.rundir, reset_env=True), |
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[(relname, constants.RUNPARTS_SKIP, None)])
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def testError(self): |
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"""Test error on a broken executable"""
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fname = os.path.join(self.rundir, "00test") |
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utils.WriteFile(fname, data="")
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os.chmod(fname, stat.S_IREAD | stat.S_IEXEC) |
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(relname, status, error) = RunParts(self.rundir, reset_env=True)[0] |
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self.failUnlessEqual(relname, os.path.basename(fname))
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self.failUnlessEqual(status, constants.RUNPARTS_ERR)
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self.failUnless(error)
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def testSorted(self): |
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"""Test executions are sorted"""
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files = [] |
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files.append(os.path.join(self.rundir, "64test")) |
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files.append(os.path.join(self.rundir, "00test")) |
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files.append(os.path.join(self.rundir, "42test")) |
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for fname in files: |
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utils.WriteFile(fname, data="")
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results = RunParts(self.rundir, reset_env=True) |
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for fname in sorted(files): |
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self.failUnlessEqual(os.path.basename(fname), results.pop(0)[0]) |
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def testOk(self): |
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"""Test correct execution"""
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fname = os.path.join(self.rundir, "00test") |
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utils.WriteFile(fname, data="#!/bin/sh\n\necho -n ciao")
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os.chmod(fname, stat.S_IREAD | stat.S_IEXEC) |
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(relname, status, runresult) = RunParts(self.rundir, reset_env=True)[0] |
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self.failUnlessEqual(relname, os.path.basename(fname))
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self.failUnlessEqual(status, constants.RUNPARTS_RUN)
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self.failUnlessEqual(runresult.stdout, "ciao") |
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def testRunFail(self): |
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"""Test correct execution, with run failure"""
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fname = os.path.join(self.rundir, "00test") |
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utils.WriteFile(fname, data="#!/bin/sh\n\nexit 1")
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os.chmod(fname, stat.S_IREAD | stat.S_IEXEC) |
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(relname, status, runresult) = RunParts(self.rundir, reset_env=True)[0] |
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self.failUnlessEqual(relname, os.path.basename(fname))
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self.failUnlessEqual(status, constants.RUNPARTS_RUN)
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self.failUnlessEqual(runresult.exit_code, 1) |
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self.failUnless(runresult.failed)
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def testRunMix(self): |
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files = [] |
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files.append(os.path.join(self.rundir, "00test")) |
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files.append(os.path.join(self.rundir, "42test")) |
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files.append(os.path.join(self.rundir, "64test")) |
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files.append(os.path.join(self.rundir, "99test")) |
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files.sort() |
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# 1st has errors in execution
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utils.WriteFile(files[0], data="#!/bin/sh\n\nexit 1") |
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os.chmod(files[0], stat.S_IREAD | stat.S_IEXEC)
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# 2nd is skipped
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utils.WriteFile(files[1], data="") |
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# 3rd cannot execute properly
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utils.WriteFile(files[2], data="") |
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os.chmod(files[2], stat.S_IREAD | stat.S_IEXEC)
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# 4th execs
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utils.WriteFile(files[3], data="#!/bin/sh\n\necho -n ciao") |
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os.chmod(files[3], stat.S_IREAD | stat.S_IEXEC)
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results = RunParts(self.rundir, reset_env=True) |
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(relname, status, runresult) = results[0]
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self.failUnlessEqual(relname, os.path.basename(files[0])) |
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self.failUnlessEqual(status, constants.RUNPARTS_RUN)
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self.failUnlessEqual(runresult.exit_code, 1) |
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self.failUnless(runresult.failed)
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(relname, status, runresult) = results[1]
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self.failUnlessEqual(relname, os.path.basename(files[1])) |
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self.failUnlessEqual(status, constants.RUNPARTS_SKIP)
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self.failUnlessEqual(runresult, None) |
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(relname, status, runresult) = results[2]
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self.failUnlessEqual(relname, os.path.basename(files[2])) |
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self.failUnlessEqual(status, constants.RUNPARTS_ERR)
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self.failUnless(runresult)
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(relname, status, runresult) = results[3]
|
| 437 |
self.failUnlessEqual(relname, os.path.basename(files[3])) |
| 438 |
self.failUnlessEqual(status, constants.RUNPARTS_RUN)
|
| 439 |
self.failUnlessEqual(runresult.output, "ciao") |
| 440 |
self.failUnlessEqual(runresult.exit_code, 0) |
| 441 |
self.failUnless(not runresult.failed) |
| 442 |
|
| 443 |
def testMissingDirectory(self): |
| 444 |
nosuchdir = utils.PathJoin(self.rundir, "no/such/directory") |
| 445 |
self.assertEqual(RunParts(nosuchdir), [])
|
| 446 |
|
| 447 |
|
| 448 |
class TestStartDaemon(testutils.GanetiTestCase): |
| 449 |
def setUp(self): |
| 450 |
self.tmpdir = tempfile.mkdtemp(prefix="ganeti-test") |
| 451 |
self.tmpfile = os.path.join(self.tmpdir, "test") |
| 452 |
|
| 453 |
def tearDown(self): |
| 454 |
shutil.rmtree(self.tmpdir)
|
| 455 |
|
| 456 |
def testShell(self): |
| 457 |
utils.StartDaemon("echo Hello World > %s" % self.tmpfile) |
| 458 |
self._wait(self.tmpfile, 60.0, "Hello World") |
| 459 |
|
| 460 |
def testShellOutput(self): |
| 461 |
utils.StartDaemon("echo Hello World", output=self.tmpfile) |
| 462 |
self._wait(self.tmpfile, 60.0, "Hello World") |
| 463 |
|
| 464 |
def testNoShellNoOutput(self): |
| 465 |
utils.StartDaemon(["pwd"])
|
| 466 |
|
| 467 |
def testNoShellNoOutputTouch(self): |
| 468 |
testfile = os.path.join(self.tmpdir, "check") |
| 469 |
self.failIf(os.path.exists(testfile))
|
| 470 |
utils.StartDaemon(["touch", testfile])
|
| 471 |
self._wait(testfile, 60.0, "") |
| 472 |
|
| 473 |
def testNoShellOutput(self): |
| 474 |
utils.StartDaemon(["pwd"], output=self.tmpfile) |
| 475 |
self._wait(self.tmpfile, 60.0, "/") |
| 476 |
|
| 477 |
def testNoShellOutputCwd(self): |
| 478 |
utils.StartDaemon(["pwd"], output=self.tmpfile, cwd=os.getcwd()) |
| 479 |
self._wait(self.tmpfile, 60.0, os.getcwd()) |
| 480 |
|
| 481 |
def testShellEnv(self): |
| 482 |
utils.StartDaemon("echo \"$GNT_TEST_VAR\"", output=self.tmpfile, |
| 483 |
env={ "GNT_TEST_VAR": "Hello World", })
|
| 484 |
self._wait(self.tmpfile, 60.0, "Hello World") |
| 485 |
|
| 486 |
def testNoShellEnv(self): |
| 487 |
utils.StartDaemon(["printenv", "GNT_TEST_VAR"], output=self.tmpfile, |
| 488 |
env={ "GNT_TEST_VAR": "Hello World", })
|
| 489 |
self._wait(self.tmpfile, 60.0, "Hello World") |
| 490 |
|
| 491 |
def testOutputFd(self): |
| 492 |
fd = os.open(self.tmpfile, os.O_WRONLY | os.O_CREAT)
|
| 493 |
try:
|
| 494 |
utils.StartDaemon(["pwd"], output_fd=fd, cwd=os.getcwd())
|
| 495 |
finally:
|
| 496 |
os.close(fd) |
| 497 |
self._wait(self.tmpfile, 60.0, os.getcwd()) |
| 498 |
|
| 499 |
def testPid(self): |
| 500 |
pid = utils.StartDaemon("echo $$ > %s" % self.tmpfile) |
| 501 |
self._wait(self.tmpfile, 60.0, str(pid)) |
| 502 |
|
| 503 |
def testPidFile(self): |
| 504 |
pidfile = os.path.join(self.tmpdir, "pid") |
| 505 |
checkfile = os.path.join(self.tmpdir, "abort") |
| 506 |
|
| 507 |
pid = utils.StartDaemon("while sleep 5; do :; done", pidfile=pidfile,
|
| 508 |
output=self.tmpfile)
|
| 509 |
try:
|
| 510 |
fd = os.open(pidfile, os.O_RDONLY) |
| 511 |
try:
|
| 512 |
# Check file is locked
|
| 513 |
self.assertRaises(errors.LockError, utils.LockFile, fd)
|
| 514 |
|
| 515 |
pidtext = os.read(fd, 100)
|
| 516 |
finally:
|
| 517 |
os.close(fd) |
| 518 |
|
| 519 |
self.assertEqual(int(pidtext.strip()), pid) |
| 520 |
|
| 521 |
self.assert_(utils.IsProcessAlive(pid))
|
| 522 |
finally:
|
| 523 |
# No matter what happens, kill daemon
|
| 524 |
utils.KillProcess(pid, timeout=5.0, waitpid=False) |
| 525 |
self.failIf(utils.IsProcessAlive(pid))
|
| 526 |
|
| 527 |
self.assertEqual(utils.ReadFile(self.tmpfile), "") |
| 528 |
|
| 529 |
def _wait(self, path, timeout, expected): |
| 530 |
# Due to the asynchronous nature of daemon processes, polling is necessary.
|
| 531 |
# A timeout makes sure the test doesn't hang forever.
|
| 532 |
def _CheckFile(): |
| 533 |
if not (os.path.isfile(path) and |
| 534 |
utils.ReadFile(path).strip() == expected): |
| 535 |
raise utils.RetryAgain()
|
| 536 |
|
| 537 |
try:
|
| 538 |
utils.Retry(_CheckFile, (0.01, 1.5, 1.0), timeout) |
| 539 |
except utils.RetryTimeout:
|
| 540 |
self.fail("Apparently the daemon didn't run in %s seconds and/or" |
| 541 |
" didn't write the correct output" % timeout)
|
| 542 |
|
| 543 |
def testError(self): |
| 544 |
self.assertRaises(errors.OpExecError, utils.StartDaemon,
|
| 545 |
["./does-NOT-EXIST/here/0123456789"])
|
| 546 |
self.assertRaises(errors.OpExecError, utils.StartDaemon,
|
| 547 |
["./does-NOT-EXIST/here/0123456789"],
|
| 548 |
output=os.path.join(self.tmpdir, "DIR/NOT/EXIST")) |
| 549 |
self.assertRaises(errors.OpExecError, utils.StartDaemon,
|
| 550 |
["./does-NOT-EXIST/here/0123456789"],
|
| 551 |
cwd=os.path.join(self.tmpdir, "DIR/NOT/EXIST")) |
| 552 |
self.assertRaises(errors.OpExecError, utils.StartDaemon,
|
| 553 |
["./does-NOT-EXIST/here/0123456789"],
|
| 554 |
output=os.path.join(self.tmpdir, "DIR/NOT/EXIST")) |
| 555 |
|
| 556 |
fd = os.open(self.tmpfile, os.O_WRONLY | os.O_CREAT)
|
| 557 |
try:
|
| 558 |
self.assertRaises(errors.ProgrammerError, utils.StartDaemon,
|
| 559 |
["./does-NOT-EXIST/here/0123456789"],
|
| 560 |
output=self.tmpfile, output_fd=fd)
|
| 561 |
finally:
|
| 562 |
os.close(fd) |
| 563 |
|
| 564 |
|
| 565 |
class TestParseCpuMask(unittest.TestCase): |
| 566 |
"""Test case for the ParseCpuMask function."""
|
| 567 |
|
| 568 |
def testWellFormed(self): |
| 569 |
self.assertEqual(utils.ParseCpuMask(""), []) |
| 570 |
self.assertEqual(utils.ParseCpuMask("1"), [1]) |
| 571 |
self.assertEqual(utils.ParseCpuMask("0-2,4,5-5"), [0,1,2,4,5]) |
| 572 |
|
| 573 |
def testInvalidInput(self): |
| 574 |
for data in ["garbage", "0,", "0-1-2", "2-1", "1-a"]: |
| 575 |
self.assertRaises(errors.ParseError, utils.ParseCpuMask, data)
|
| 576 |
|
| 577 |
|
| 578 |
class TestEtcHosts(testutils.GanetiTestCase): |
| 579 |
"""Test functions modifying /etc/hosts"""
|
| 580 |
|
| 581 |
def setUp(self): |
| 582 |
testutils.GanetiTestCase.setUp(self)
|
| 583 |
self.tmpname = self._CreateTempFile() |
| 584 |
handle = open(self.tmpname, 'w') |
| 585 |
try:
|
| 586 |
handle.write('# This is a test file for /etc/hosts\n')
|
| 587 |
handle.write('127.0.0.1\tlocalhost\n')
|
| 588 |
handle.write('192.0.2.1 router gw\n')
|
| 589 |
finally:
|
| 590 |
handle.close() |
| 591 |
|
| 592 |
def testSettingNewIp(self): |
| 593 |
SetEtcHostsEntry(self.tmpname, '198.51.100.4', 'myhost.example.com', |
| 594 |
['myhost'])
|
| 595 |
|
| 596 |
self.assertFileContent(self.tmpname, |
| 597 |
"# This is a test file for /etc/hosts\n"
|
| 598 |
"127.0.0.1\tlocalhost\n"
|
| 599 |
"192.0.2.1 router gw\n"
|
| 600 |
"198.51.100.4\tmyhost.example.com myhost\n")
|
| 601 |
self.assertFileMode(self.tmpname, 0644) |
| 602 |
|
| 603 |
def testSettingExistingIp(self): |
| 604 |
SetEtcHostsEntry(self.tmpname, '192.0.2.1', 'myhost.example.com', |
| 605 |
['myhost'])
|
| 606 |
|
| 607 |
self.assertFileContent(self.tmpname, |
| 608 |
"# This is a test file for /etc/hosts\n"
|
| 609 |
"127.0.0.1\tlocalhost\n"
|
| 610 |
"192.0.2.1\tmyhost.example.com myhost\n")
|
| 611 |
self.assertFileMode(self.tmpname, 0644) |
| 612 |
|
| 613 |
def testSettingDuplicateName(self): |
| 614 |
SetEtcHostsEntry(self.tmpname, '198.51.100.4', 'myhost', ['myhost']) |
| 615 |
|
| 616 |
self.assertFileContent(self.tmpname, |
| 617 |
"# This is a test file for /etc/hosts\n"
|
| 618 |
"127.0.0.1\tlocalhost\n"
|
| 619 |
"192.0.2.1 router gw\n"
|
| 620 |
"198.51.100.4\tmyhost\n")
|
| 621 |
self.assertFileMode(self.tmpname, 0644) |
| 622 |
|
| 623 |
def testRemovingExistingHost(self): |
| 624 |
RemoveEtcHostsEntry(self.tmpname, 'router') |
| 625 |
|
| 626 |
self.assertFileContent(self.tmpname, |
| 627 |
"# This is a test file for /etc/hosts\n"
|
| 628 |
"127.0.0.1\tlocalhost\n"
|
| 629 |
"192.0.2.1 gw\n")
|
| 630 |
self.assertFileMode(self.tmpname, 0644) |
| 631 |
|
| 632 |
def testRemovingSingleExistingHost(self): |
| 633 |
RemoveEtcHostsEntry(self.tmpname, 'localhost') |
| 634 |
|
| 635 |
self.assertFileContent(self.tmpname, |
| 636 |
"# This is a test file for /etc/hosts\n"
|
| 637 |
"192.0.2.1 router gw\n")
|
| 638 |
self.assertFileMode(self.tmpname, 0644) |
| 639 |
|
| 640 |
def testRemovingNonExistingHost(self): |
| 641 |
RemoveEtcHostsEntry(self.tmpname, 'myhost') |
| 642 |
|
| 643 |
self.assertFileContent(self.tmpname, |
| 644 |
"# This is a test file for /etc/hosts\n"
|
| 645 |
"127.0.0.1\tlocalhost\n"
|
| 646 |
"192.0.2.1 router gw\n")
|
| 647 |
self.assertFileMode(self.tmpname, 0644) |
| 648 |
|
| 649 |
def testRemovingAlias(self): |
| 650 |
RemoveEtcHostsEntry(self.tmpname, 'gw') |
| 651 |
|
| 652 |
self.assertFileContent(self.tmpname, |
| 653 |
"# This is a test file for /etc/hosts\n"
|
| 654 |
"127.0.0.1\tlocalhost\n"
|
| 655 |
"192.0.2.1 router\n")
|
| 656 |
self.assertFileMode(self.tmpname, 0644) |
| 657 |
|
| 658 |
|
| 659 |
class TestGetMounts(unittest.TestCase): |
| 660 |
"""Test case for GetMounts()."""
|
| 661 |
|
| 662 |
TESTDATA = ( |
| 663 |
"rootfs / rootfs rw 0 0\n"
|
| 664 |
"none /sys sysfs rw,nosuid,nodev,noexec,relatime 0 0\n"
|
| 665 |
"none /proc proc rw,nosuid,nodev,noexec,relatime 0 0\n")
|
| 666 |
|
| 667 |
def setUp(self): |
| 668 |
self.tmpfile = tempfile.NamedTemporaryFile()
|
| 669 |
utils.WriteFile(self.tmpfile.name, data=self.TESTDATA) |
| 670 |
|
| 671 |
def testGetMounts(self): |
| 672 |
self.assertEqual(utils.GetMounts(filename=self.tmpfile.name), |
| 673 |
[ |
| 674 |
("rootfs", "/", "rootfs", "rw"), |
| 675 |
("none", "/sys", "sysfs", "rw,nosuid,nodev,noexec,relatime"), |
| 676 |
("none", "/proc", "proc", "rw,nosuid,nodev,noexec,relatime"), |
| 677 |
]) |
| 678 |
|
| 679 |
class TestNewUUID(unittest.TestCase): |
| 680 |
"""Test case for NewUUID"""
|
| 681 |
|
| 682 |
def runTest(self): |
| 683 |
self.failUnless(utils.UUID_RE.match(utils.NewUUID()))
|
| 684 |
|
| 685 |
|
| 686 |
class TestFirstFree(unittest.TestCase): |
| 687 |
"""Test case for the FirstFree function"""
|
| 688 |
|
| 689 |
def test(self): |
| 690 |
"""Test FirstFree"""
|
| 691 |
self.failUnlessEqual(FirstFree([0, 1, 3]), 2) |
| 692 |
self.failUnlessEqual(FirstFree([]), None) |
| 693 |
self.failUnlessEqual(FirstFree([3, 4, 6]), 0) |
| 694 |
self.failUnlessEqual(FirstFree([3, 4, 6], base=3), 5) |
| 695 |
self.failUnlessRaises(AssertionError, FirstFree, [0, 3, 4, 6], base=3) |
| 696 |
|
| 697 |
|
| 698 |
class TestTimeFunctions(unittest.TestCase): |
| 699 |
"""Test case for time functions"""
|
| 700 |
|
| 701 |
def runTest(self): |
| 702 |
self.assertEqual(utils.SplitTime(1), (1, 0)) |
| 703 |
self.assertEqual(utils.SplitTime(1.5), (1, 500000)) |
| 704 |
self.assertEqual(utils.SplitTime(1218448917.4809151), (1218448917, 480915)) |
| 705 |
self.assertEqual(utils.SplitTime(123.48012), (123, 480120)) |
| 706 |
self.assertEqual(utils.SplitTime(123.9996), (123, 999600)) |
| 707 |
self.assertEqual(utils.SplitTime(123.9995), (123, 999500)) |
| 708 |
self.assertEqual(utils.SplitTime(123.9994), (123, 999400)) |
| 709 |
self.assertEqual(utils.SplitTime(123.999999999), (123, 999999)) |
| 710 |
|
| 711 |
self.assertRaises(AssertionError, utils.SplitTime, -1) |
| 712 |
|
| 713 |
self.assertEqual(utils.MergeTime((1, 0)), 1.0) |
| 714 |
self.assertEqual(utils.MergeTime((1, 500000)), 1.5) |
| 715 |
self.assertEqual(utils.MergeTime((1218448917, 500000)), 1218448917.5) |
| 716 |
|
| 717 |
self.assertEqual(round(utils.MergeTime((1218448917, 481000)), 3), |
| 718 |
1218448917.481)
|
| 719 |
self.assertEqual(round(utils.MergeTime((1, 801000)), 3), 1.801) |
| 720 |
|
| 721 |
self.assertRaises(AssertionError, utils.MergeTime, (0, -1)) |
| 722 |
self.assertRaises(AssertionError, utils.MergeTime, (0, 1000000)) |
| 723 |
self.assertRaises(AssertionError, utils.MergeTime, (0, 9999999)) |
| 724 |
self.assertRaises(AssertionError, utils.MergeTime, (-1, 0)) |
| 725 |
self.assertRaises(AssertionError, utils.MergeTime, (-9999, 0)) |
| 726 |
|
| 727 |
|
| 728 |
class FieldSetTestCase(unittest.TestCase): |
| 729 |
"""Test case for FieldSets"""
|
| 730 |
|
| 731 |
def testSimpleMatch(self): |
| 732 |
f = utils.FieldSet("a", "b", "c", "def") |
| 733 |
self.failUnless(f.Matches("a")) |
| 734 |
self.failIf(f.Matches("d"), "Substring matched") |
| 735 |
self.failIf(f.Matches("defghi"), "Prefix string matched") |
| 736 |
self.failIf(f.NonMatching(["b", "c"])) |
| 737 |
self.failIf(f.NonMatching(["a", "b", "c", "def"])) |
| 738 |
self.failUnless(f.NonMatching(["a", "d"])) |
| 739 |
|
| 740 |
def testRegexMatch(self): |
| 741 |
f = utils.FieldSet("a", "b([0-9]+)", "c") |
| 742 |
self.failUnless(f.Matches("b1")) |
| 743 |
self.failUnless(f.Matches("b99")) |
| 744 |
self.failIf(f.Matches("b/1")) |
| 745 |
self.failIf(f.NonMatching(["b12", "c"])) |
| 746 |
self.failUnless(f.NonMatching(["a", "1"])) |
| 747 |
|
| 748 |
class TestForceDictType(unittest.TestCase): |
| 749 |
"""Test case for ForceDictType"""
|
| 750 |
KEY_TYPES = {
|
| 751 |
"a": constants.VTYPE_INT,
|
| 752 |
"b": constants.VTYPE_BOOL,
|
| 753 |
"c": constants.VTYPE_STRING,
|
| 754 |
"d": constants.VTYPE_SIZE,
|
| 755 |
"e": constants.VTYPE_MAYBE_STRING,
|
| 756 |
} |
| 757 |
|
| 758 |
def _fdt(self, dict, allowed_values=None): |
| 759 |
if allowed_values is None: |
| 760 |
utils.ForceDictType(dict, self.KEY_TYPES) |
| 761 |
else:
|
| 762 |
utils.ForceDictType(dict, self.KEY_TYPES, allowed_values=allowed_values) |
| 763 |
|
| 764 |
return dict |
| 765 |
|
| 766 |
def testSimpleDict(self): |
| 767 |
self.assertEqual(self._fdt({}), {}) |
| 768 |
self.assertEqual(self._fdt({'a': 1}), {'a': 1}) |
| 769 |
self.assertEqual(self._fdt({'a': '1'}), {'a': 1}) |
| 770 |
self.assertEqual(self._fdt({'a': 1, 'b': 1}), {'a':1, 'b': True}) |
| 771 |
self.assertEqual(self._fdt({'b': 1, 'c': 'foo'}), {'b': True, 'c': 'foo'}) |
| 772 |
self.assertEqual(self._fdt({'b': 1, 'c': False}), {'b': True, 'c': ''}) |
| 773 |
self.assertEqual(self._fdt({'b': 'false'}), {'b': False}) |
| 774 |
self.assertEqual(self._fdt({'b': 'False'}), {'b': False}) |
| 775 |
self.assertEqual(self._fdt({'b': False}), {'b': False}) |
| 776 |
self.assertEqual(self._fdt({'b': 'true'}), {'b': True}) |
| 777 |
self.assertEqual(self._fdt({'b': 'True'}), {'b': True}) |
| 778 |
self.assertEqual(self._fdt({'d': '4'}), {'d': 4}) |
| 779 |
self.assertEqual(self._fdt({'d': '4M'}), {'d': 4}) |
| 780 |
self.assertEqual(self._fdt({"e": None, }), {"e": None, }) |
| 781 |
self.assertEqual(self._fdt({"e": "Hello World", }), {"e": "Hello World", }) |
| 782 |
self.assertEqual(self._fdt({"e": False, }), {"e": '', }) |
| 783 |
self.assertEqual(self._fdt({"b": "hello", }, ["hello"]), {"b": "hello"}) |
| 784 |
|
| 785 |
def testErrors(self): |
| 786 |
self.assertRaises(errors.TypeEnforcementError, self._fdt, {'a': 'astring'}) |
| 787 |
self.assertRaises(errors.TypeEnforcementError, self._fdt, {"b": "hello"}) |
| 788 |
self.assertRaises(errors.TypeEnforcementError, self._fdt, {'c': True}) |
| 789 |
self.assertRaises(errors.TypeEnforcementError, self._fdt, {'d': 'astring'}) |
| 790 |
self.assertRaises(errors.TypeEnforcementError, self._fdt, {'d': '4 L'}) |
| 791 |
self.assertRaises(errors.TypeEnforcementError, self._fdt, {"e": object(), }) |
| 792 |
self.assertRaises(errors.TypeEnforcementError, self._fdt, {"e": [], }) |
| 793 |
self.assertRaises(errors.TypeEnforcementError, self._fdt, {"x": None, }) |
| 794 |
self.assertRaises(errors.TypeEnforcementError, self._fdt, []) |
| 795 |
self.assertRaises(errors.ProgrammerError, utils.ForceDictType,
|
| 796 |
{"b": "hello"}, {"b": "no-such-type"})
|
| 797 |
|
| 798 |
|
| 799 |
class RunInSeparateProcess(unittest.TestCase): |
| 800 |
def test(self): |
| 801 |
for exp in [True, False]: |
| 802 |
def _child(): |
| 803 |
return exp
|
| 804 |
|
| 805 |
self.assertEqual(exp, utils.RunInSeparateProcess(_child))
|
| 806 |
|
| 807 |
def testArgs(self): |
| 808 |
for arg in [0, 1, 999, "Hello World", (1, 2, 3)]: |
| 809 |
def _child(carg1, carg2): |
| 810 |
return carg1 == "Foo" and carg2 == arg |
| 811 |
|
| 812 |
self.assert_(utils.RunInSeparateProcess(_child, "Foo", arg)) |
| 813 |
|
| 814 |
def testPid(self): |
| 815 |
parent_pid = os.getpid() |
| 816 |
|
| 817 |
def _check(): |
| 818 |
return os.getpid() == parent_pid
|
| 819 |
|
| 820 |
self.failIf(utils.RunInSeparateProcess(_check))
|
| 821 |
|
| 822 |
def testSignal(self): |
| 823 |
def _kill(): |
| 824 |
os.kill(os.getpid(), signal.SIGTERM) |
| 825 |
|
| 826 |
self.assertRaises(errors.GenericError,
|
| 827 |
utils.RunInSeparateProcess, _kill) |
| 828 |
|
| 829 |
def testException(self): |
| 830 |
def _exc(): |
| 831 |
raise errors.GenericError("This is a test") |
| 832 |
|
| 833 |
self.assertRaises(errors.GenericError,
|
| 834 |
utils.RunInSeparateProcess, _exc) |
| 835 |
|
| 836 |
|
| 837 |
class TestValidateServiceName(unittest.TestCase): |
| 838 |
def testValid(self): |
| 839 |
testnames = [ |
| 840 |
0, 1, 2, 3, 1024, 65000, 65534, 65535, |
| 841 |
"ganeti",
|
| 842 |
"gnt-masterd",
|
| 843 |
"HELLO_WORLD_SVC",
|
| 844 |
"hello.world.1",
|
| 845 |
"0", "80", "1111", "65535", |
| 846 |
] |
| 847 |
|
| 848 |
for name in testnames: |
| 849 |
self.assertEqual(utils.ValidateServiceName(name), name)
|
| 850 |
|
| 851 |
def testInvalid(self): |
| 852 |
testnames = [ |
| 853 |
-15756, -1, 65536, 133428083, |
| 854 |
"", "Hello World!", "!", "'", "\"", "\t", "\n", "`", |
| 855 |
"-8546", "-1", "65536", |
| 856 |
(129 * "A"), |
| 857 |
] |
| 858 |
|
| 859 |
for name in testnames: |
| 860 |
self.assertRaises(errors.OpPrereqError, utils.ValidateServiceName, name)
|
| 861 |
|
| 862 |
|
| 863 |
class TestReadLockedPidFile(unittest.TestCase): |
| 864 |
def setUp(self): |
| 865 |
self.tmpdir = tempfile.mkdtemp()
|
| 866 |
|
| 867 |
def tearDown(self): |
| 868 |
shutil.rmtree(self.tmpdir)
|
| 869 |
|
| 870 |
def testNonExistent(self): |
| 871 |
path = utils.PathJoin(self.tmpdir, "nonexist") |
| 872 |
self.assert_(utils.ReadLockedPidFile(path) is None) |
| 873 |
|
| 874 |
def testUnlocked(self): |
| 875 |
path = utils.PathJoin(self.tmpdir, "pid") |
| 876 |
utils.WriteFile(path, data="123")
|
| 877 |
self.assert_(utils.ReadLockedPidFile(path) is None) |
| 878 |
|
| 879 |
def testLocked(self): |
| 880 |
path = utils.PathJoin(self.tmpdir, "pid") |
| 881 |
utils.WriteFile(path, data="123")
|
| 882 |
|
| 883 |
fl = utils.FileLock.Open(path) |
| 884 |
try:
|
| 885 |
fl.Exclusive(blocking=True)
|
| 886 |
|
| 887 |
self.assertEqual(utils.ReadLockedPidFile(path), 123) |
| 888 |
finally:
|
| 889 |
fl.Close() |
| 890 |
|
| 891 |
self.assert_(utils.ReadLockedPidFile(path) is None) |
| 892 |
|
| 893 |
def testError(self): |
| 894 |
path = utils.PathJoin(self.tmpdir, "foobar", "pid") |
| 895 |
utils.WriteFile(utils.PathJoin(self.tmpdir, "foobar"), data="") |
| 896 |
# open(2) should return ENOTDIR
|
| 897 |
self.assertRaises(EnvironmentError, utils.ReadLockedPidFile, path) |
| 898 |
|
| 899 |
|
| 900 |
class TestFindMatch(unittest.TestCase): |
| 901 |
def test(self): |
| 902 |
data = {
|
| 903 |
"aaaa": "Four A", |
| 904 |
"bb": {"Two B": True}, |
| 905 |
re.compile(r"^x(foo|bar|bazX)([0-9]+)$"): (1, 2, 3), |
| 906 |
} |
| 907 |
|
| 908 |
self.assertEqual(utils.FindMatch(data, "aaaa"), ("Four A", [])) |
| 909 |
self.assertEqual(utils.FindMatch(data, "bb"), ({"Two B": True}, [])) |
| 910 |
|
| 911 |
for i in ["foo", "bar", "bazX"]: |
| 912 |
for j in range(1, 100, 7): |
| 913 |
self.assertEqual(utils.FindMatch(data, "x%s%s" % (i, j)), |
| 914 |
((1, 2, 3), [i, str(j)])) |
| 915 |
|
| 916 |
def testNoMatch(self): |
| 917 |
self.assert_(utils.FindMatch({}, "") is None) |
| 918 |
self.assert_(utils.FindMatch({}, "foo") is None) |
| 919 |
self.assert_(utils.FindMatch({}, 1234) is None) |
| 920 |
|
| 921 |
data = {
|
| 922 |
"X": "Hello World", |
| 923 |
re.compile("^(something)$"): "Hello World", |
| 924 |
} |
| 925 |
|
| 926 |
self.assert_(utils.FindMatch(data, "") is None) |
| 927 |
self.assert_(utils.FindMatch(data, "Hello World") is None) |
| 928 |
|
| 929 |
|
| 930 |
class TimeMock: |
| 931 |
def __init__(self, values): |
| 932 |
self.values = values
|
| 933 |
|
| 934 |
def __call__(self): |
| 935 |
return self.values.pop(0) |
| 936 |
|
| 937 |
|
| 938 |
class TestRunningTimeout(unittest.TestCase): |
| 939 |
def setUp(self): |
| 940 |
self.time_fn = TimeMock([0.0, 0.3, 4.6, 6.5]) |
| 941 |
|
| 942 |
def testRemainingFloat(self): |
| 943 |
timeout = utils.RunningTimeout(5.0, True, _time_fn=self.time_fn) |
| 944 |
self.assertAlmostEqual(timeout.Remaining(), 4.7) |
| 945 |
self.assertAlmostEqual(timeout.Remaining(), 0.4) |
| 946 |
self.assertAlmostEqual(timeout.Remaining(), -1.5) |
| 947 |
|
| 948 |
def testRemaining(self): |
| 949 |
self.time_fn = TimeMock([0, 2, 4, 5, 6]) |
| 950 |
timeout = utils.RunningTimeout(5, True, _time_fn=self.time_fn) |
| 951 |
self.assertEqual(timeout.Remaining(), 3) |
| 952 |
self.assertEqual(timeout.Remaining(), 1) |
| 953 |
self.assertEqual(timeout.Remaining(), 0) |
| 954 |
self.assertEqual(timeout.Remaining(), -1) |
| 955 |
|
| 956 |
def testRemainingNonNegative(self): |
| 957 |
timeout = utils.RunningTimeout(5.0, False, _time_fn=self.time_fn) |
| 958 |
self.assertAlmostEqual(timeout.Remaining(), 4.7) |
| 959 |
self.assertAlmostEqual(timeout.Remaining(), 0.4) |
| 960 |
self.assertEqual(timeout.Remaining(), 0.0) |
| 961 |
|
| 962 |
def testNegativeTimeout(self): |
| 963 |
self.assertRaises(ValueError, utils.RunningTimeout, -1.0, True) |
| 964 |
|
| 965 |
|
| 966 |
class TestTryConvert(unittest.TestCase): |
| 967 |
def test(self): |
| 968 |
for src, fn, result in [ |
| 969 |
("1", int, 1), |
| 970 |
("a", int, "a"), |
| 971 |
("", bool, False), |
| 972 |
("a", bool, True), |
| 973 |
]: |
| 974 |
self.assertEqual(utils.TryConvert(fn, src), result)
|
| 975 |
|
| 976 |
|
| 977 |
class TestIsValidShellParam(unittest.TestCase): |
| 978 |
def test(self): |
| 979 |
for val, result in [ |
| 980 |
("abc", True), |
| 981 |
("ab;cd", False), |
| 982 |
]: |
| 983 |
self.assertEqual(utils.IsValidShellParam(val), result)
|
| 984 |
|
| 985 |
|
| 986 |
class TestBuildShellCmd(unittest.TestCase): |
| 987 |
def test(self): |
| 988 |
self.assertRaises(errors.ProgrammerError, utils.BuildShellCmd,
|
| 989 |
"ls %s", "ab;cd") |
| 990 |
self.assertEqual(utils.BuildShellCmd("ls %s", "ab"), "ls ab") |
| 991 |
|
| 992 |
|
| 993 |
if __name__ == '__main__': |
| 994 |
testutils.GanetiTestProgram() |