ganeti.utils_unittest.py 28.6 KB
Newer Older
Iustin Pop's avatar
Iustin Pop committed
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
#!/usr/bin/python
#

# Copyright (C) 2006, 2007 Google Inc.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
# 02110-1301, USA.


"""Script for unittesting the utils module"""

import unittest
import os
import time
import tempfile
import os.path
29
import os
Iustin Pop's avatar
Iustin Pop committed
30
import md5
31
import signal
32
import socket
33
import shutil
34
import re
35
import select
Iustin Pop's avatar
Iustin Pop committed
36
37

import ganeti
38
import testutils
39
from ganeti import constants
40
from ganeti import utils
Iustin Pop's avatar
Iustin Pop committed
41
from ganeti.utils import IsProcessAlive, RunCmd, \
Iustin Pop's avatar
Iustin Pop committed
42
43
     RemoveFile, CheckDict, MatchNameComponent, FormatUnit, \
     ParseUnit, AddAuthorizedKey, RemoveAuthorizedKey, \
44
     ShellQuote, ShellQuoteArgs, TcpPing, ListVisibleFiles, \
45
     SetEtcHostsEntry, RemoveEtcHostsEntry, FirstFree, OwnIpAddress
Iustin Pop's avatar
Iustin Pop committed
46
47
from ganeti.errors import LockError, UnitParseError, GenericError, \
     ProgrammerError
Iustin Pop's avatar
Iustin Pop committed
48

49

Iustin Pop's avatar
Iustin Pop committed
50
51
class TestIsProcessAlive(unittest.TestCase):
  """Testing case for IsProcessAlive"""
52

Iustin Pop's avatar
Iustin Pop committed
53
54
55
56
57
58
  def testExists(self):
    mypid = os.getpid()
    self.assert_(IsProcessAlive(mypid),
                 "can't find myself running")

  def testNotExisting(self):
59
60
61
62
63
64
65
66
    pid_non_existing = os.fork()
    if pid_non_existing == 0:
      os._exit(0)
    elif pid_non_existing < 0:
      raise SystemError("can't fork")
    os.waitpid(pid_non_existing, 0)
    self.assert_(not IsProcessAlive(pid_non_existing),
                 "nonexisting process detected")
Iustin Pop's avatar
Iustin Pop committed
67

68

69
class TestPidFileFunctions(unittest.TestCase):
70
  """Tests for WritePidFile, RemovePidFile and ReadPidFile"""
71
72
73
74

  def setUp(self):
    self.dir = tempfile.mkdtemp()
    self.f_dpn = lambda name: os.path.join(self.dir, "%s.pid" % name)
Iustin Pop's avatar
Iustin Pop committed
75
    utils.DaemonPidFileName = self.f_dpn
76
77

  def testPidFileFunctions(self):
78
    pid_file = self.f_dpn('test')
79
    utils.WritePidFile('test')
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
    self.failUnless(os.path.exists(pid_file),
                    "PID file should have been created")
    read_pid = utils.ReadPidFile(pid_file)
    self.failUnlessEqual(read_pid, os.getpid())
    self.failUnless(utils.IsProcessAlive(read_pid))
    self.failUnlessRaises(GenericError, utils.WritePidFile, 'test')
    utils.RemovePidFile('test')
    self.failIf(os.path.exists(pid_file),
                "PID file should not exist anymore")
    self.failUnlessEqual(utils.ReadPidFile(pid_file), 0,
                         "ReadPidFile should return 0 for missing pid file")
    fh = open(pid_file, "w")
    fh.write("blah\n")
    fh.close()
    self.failUnlessEqual(utils.ReadPidFile(pid_file), 0,
                         "ReadPidFile should return 0 for invalid pid file")
96
    utils.RemovePidFile('test')
97
98
    self.failIf(os.path.exists(pid_file),
                "PID file should not exist anymore")
99

Iustin Pop's avatar
Iustin Pop committed
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
  def testKill(self):
    pid_file = self.f_dpn('child')
    r_fd, w_fd = os.pipe()
    new_pid = os.fork()
    if new_pid == 0: #child
      utils.WritePidFile('child')
      os.write(w_fd, 'a')
      signal.pause()
      os._exit(0)
      return
    # else we are in the parent
    # wait until the child has written the pid file
    os.read(r_fd, 1)
    read_pid = utils.ReadPidFile(pid_file)
    self.failUnlessEqual(read_pid, new_pid)
    self.failUnless(utils.IsProcessAlive(new_pid))
116
    utils.KillProcess(new_pid, waitpid=True)
Iustin Pop's avatar
Iustin Pop committed
117
118
119
120
    self.failIf(utils.IsProcessAlive(new_pid))
    utils.RemovePidFile('child')
    self.failUnlessRaises(ProgrammerError, utils.KillProcess, 0)

121
  def tearDown(self):
122
123
    for name in os.listdir(self.dir):
      os.unlink(os.path.join(self.dir, name))
124
125
    os.rmdir(self.dir)

Iustin Pop's avatar
Iustin Pop committed
126

127
class TestRunCmd(testutils.GanetiTestCase):
Iustin Pop's avatar
Iustin Pop committed
128
129
130
131
  """Testing case for the RunCmd function"""

  def setUp(self):
    self.magic = time.ctime() + " ganeti test"
132
133
134
135
136
137
    fh, self.fname = tempfile.mkstemp()
    os.close(fh)

  def tearDown(self):
    if self.fname:
      utils.RemoveFile(self.fname)
Iustin Pop's avatar
Iustin Pop committed
138
139

  def testOk(self):
Michael Hanselmann's avatar
Michael Hanselmann committed
140
    """Test successful exit code"""
Iustin Pop's avatar
Iustin Pop committed
141
142
    result = RunCmd("/bin/sh -c 'exit 0'")
    self.assertEqual(result.exit_code, 0)
143
    self.assertEqual(result.output, "")
Iustin Pop's avatar
Iustin Pop committed
144
145
146
147
148

  def testFail(self):
    """Test fail exit code"""
    result = RunCmd("/bin/sh -c 'exit 1'")
    self.assertEqual(result.exit_code, 1)
149
    self.assertEqual(result.output, "")
Iustin Pop's avatar
Iustin Pop committed
150
151
152
153
154
155

  def testStdout(self):
    """Test standard output"""
    cmd = 'echo -n "%s"' % self.magic
    result = RunCmd("/bin/sh -c '%s'" % cmd)
    self.assertEqual(result.stdout, self.magic)
156
157
158
    result = RunCmd("/bin/sh -c '%s'" % cmd, output=self.fname)
    self.assertEqual(result.output, "")
    self.assertFileContent(self.fname, self.magic)
Iustin Pop's avatar
Iustin Pop committed
159
160
161
162
163
164

  def testStderr(self):
    """Test standard error"""
    cmd = 'echo -n "%s"' % self.magic
    result = RunCmd("/bin/sh -c '%s' 1>&2" % cmd)
    self.assertEqual(result.stderr, self.magic)
165
166
167
    result = RunCmd("/bin/sh -c '%s' 1>&2" % cmd, output=self.fname)
    self.assertEqual(result.output, "")
    self.assertFileContent(self.fname, self.magic)
Iustin Pop's avatar
Iustin Pop committed
168
169
170
171

  def testCombined(self):
    """Test combined output"""
    cmd = 'echo -n "A%s"; echo -n "B%s" 1>&2' % (self.magic, self.magic)
172
    expected = "A" + self.magic + "B" + self.magic
Iustin Pop's avatar
Iustin Pop committed
173
    result = RunCmd("/bin/sh -c '%s'" % cmd)
174
175
176
177
    self.assertEqual(result.output, expected)
    result = RunCmd("/bin/sh -c '%s'" % cmd, output=self.fname)
    self.assertEqual(result.output, "")
    self.assertFileContent(self.fname, expected)
Iustin Pop's avatar
Iustin Pop committed
178
179

  def testSignal(self):
180
181
    """Test signal"""
    result = RunCmd(["python", "-c", "import os; os.kill(os.getpid(), 15)"])
Iustin Pop's avatar
Iustin Pop committed
182
    self.assertEqual(result.signal, 15)
183
    self.assertEqual(result.output, "")
Iustin Pop's avatar
Iustin Pop committed
184

185
186
187
188
189
190
191
192
193
194
195
196
197
  def testListRun(self):
    """Test list runs"""
    result = RunCmd(["true"])
    self.assertEqual(result.signal, None)
    self.assertEqual(result.exit_code, 0)
    result = RunCmd(["/bin/sh", "-c", "exit 1"])
    self.assertEqual(result.signal, None)
    self.assertEqual(result.exit_code, 1)
    result = RunCmd(["echo", "-n", self.magic])
    self.assertEqual(result.signal, None)
    self.assertEqual(result.exit_code, 0)
    self.assertEqual(result.stdout, self.magic)

198
199
200
201
202
203
204
  def testFileEmptyOutput(self):
    """Test file output"""
    result = RunCmd(["true"], output=self.fname)
    self.assertEqual(result.signal, None)
    self.assertEqual(result.exit_code, 0)
    self.assertFileContent(self.fname, "")

205
206
  def testLang(self):
    """Test locale environment"""
207
208
209
210
211
212
213
214
215
216
217
218
219
220
    old_env = os.environ.copy()
    try:
      os.environ["LANG"] = "en_US.UTF-8"
      os.environ["LC_ALL"] = "en_US.UTF-8"
      result = RunCmd(["locale"])
      for line in result.output.splitlines():
        key, value = line.split("=", 1)
        # Ignore these variables, they're overridden by LC_ALL
        if key == "LANG" or key == "LANGUAGE":
          continue
        self.failIf(value and value != "C" and value != '"C"',
            "Variable %s is set to the invalid value '%s'" % (key, value))
    finally:
      os.environ = old_env
221

222
223
224
225
226
227
228
229
230
231
232
  def testDefaultCwd(self):
    """Test default working directory"""
    self.failUnlessEqual(RunCmd(["pwd"]).stdout.strip(), "/")

  def testCwd(self):
    """Test default working directory"""
    self.failUnlessEqual(RunCmd(["pwd"], cwd="/").stdout.strip(), "/")
    self.failUnlessEqual(RunCmd(["pwd"], cwd="/tmp").stdout.strip(), "/tmp")
    cwd = os.getcwd()
    self.failUnlessEqual(RunCmd(["pwd"], cwd=cwd).stdout.strip(), cwd)

Iustin Pop's avatar
Iustin Pop committed
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326

class TestRemoveFile(unittest.TestCase):
  """Test case for the RemoveFile function"""

  def setUp(self):
    """Create a temp dir and file for each case"""
    self.tmpdir = tempfile.mkdtemp('', 'ganeti-unittest-')
    fd, self.tmpfile = tempfile.mkstemp('', '', self.tmpdir)
    os.close(fd)

  def tearDown(self):
    if os.path.exists(self.tmpfile):
      os.unlink(self.tmpfile)
    os.rmdir(self.tmpdir)


  def testIgnoreDirs(self):
    """Test that RemoveFile() ignores directories"""
    self.assertEqual(None, RemoveFile(self.tmpdir))


  def testIgnoreNotExisting(self):
    """Test that RemoveFile() ignores non-existing files"""
    RemoveFile(self.tmpfile)
    RemoveFile(self.tmpfile)


  def testRemoveFile(self):
    """Test that RemoveFile does remove a file"""
    RemoveFile(self.tmpfile)
    if os.path.exists(self.tmpfile):
      self.fail("File '%s' not removed" % self.tmpfile)


  def testRemoveSymlink(self):
    """Test that RemoveFile does remove symlinks"""
    symlink = self.tmpdir + "/symlink"
    os.symlink("no-such-file", symlink)
    RemoveFile(symlink)
    if os.path.exists(symlink):
      self.fail("File '%s' not removed" % symlink)
    os.symlink(self.tmpfile, symlink)
    RemoveFile(symlink)
    if os.path.exists(symlink):
      self.fail("File '%s' not removed" % symlink)


class TestCheckdict(unittest.TestCase):
  """Test case for the CheckDict function"""

  def testAdd(self):
    """Test that CheckDict adds a missing key with the correct value"""

    tgt = {'a':1}
    tmpl = {'b': 2}
    CheckDict(tgt, tmpl)
    if 'b' not in tgt or tgt['b'] != 2:
      self.fail("Failed to update dict")


  def testNoUpdate(self):
    """Test that CheckDict does not overwrite an existing key"""
    tgt = {'a':1, 'b': 3}
    tmpl = {'b': 2}
    CheckDict(tgt, tmpl)
    self.failUnlessEqual(tgt['b'], 3)


class TestMatchNameComponent(unittest.TestCase):
  """Test case for the MatchNameComponent function"""

  def testEmptyList(self):
    """Test that there is no match against an empty list"""

    self.failUnlessEqual(MatchNameComponent("", []), None)
    self.failUnlessEqual(MatchNameComponent("test", []), None)

  def testSingleMatch(self):
    """Test that a single match is performed correctly"""
    mlist = ["test1.example.com", "test2.example.com", "test3.example.com"]
    for key in "test2", "test2.example", "test2.example.com":
      self.failUnlessEqual(MatchNameComponent(key, mlist), mlist[1])

  def testMultipleMatches(self):
    """Test that a multiple match is returned as None"""
    mlist = ["test1.example.com", "test1.example.org", "test1.example.net"]
    for key in "test1", "test1.example":
      self.failUnlessEqual(MatchNameComponent(key, mlist), None)


class TestFormatUnit(unittest.TestCase):
  """Test case for the FormatUnit function"""

  def testMiB(self):
327
328
329
330
331
332
333
334
335
336
337
338
    self.assertEqual(FormatUnit(1, 'h'), '1M')
    self.assertEqual(FormatUnit(100, 'h'), '100M')
    self.assertEqual(FormatUnit(1023, 'h'), '1023M')

    self.assertEqual(FormatUnit(1, 'm'), '1')
    self.assertEqual(FormatUnit(100, 'm'), '100')
    self.assertEqual(FormatUnit(1023, 'm'), '1023')

    self.assertEqual(FormatUnit(1024, 'm'), '1024')
    self.assertEqual(FormatUnit(1536, 'm'), '1536')
    self.assertEqual(FormatUnit(17133, 'm'), '17133')
    self.assertEqual(FormatUnit(1024 * 1024 - 1, 'm'), '1048575')
Iustin Pop's avatar
Iustin Pop committed
339
340

  def testGiB(self):
341
342
343
344
345
346
347
348
349
350
351
352
353
    self.assertEqual(FormatUnit(1024, 'h'), '1.0G')
    self.assertEqual(FormatUnit(1536, 'h'), '1.5G')
    self.assertEqual(FormatUnit(17133, 'h'), '16.7G')
    self.assertEqual(FormatUnit(1024 * 1024 - 1, 'h'), '1024.0G')

    self.assertEqual(FormatUnit(1024, 'g'), '1.0')
    self.assertEqual(FormatUnit(1536, 'g'), '1.5')
    self.assertEqual(FormatUnit(17133, 'g'), '16.7')
    self.assertEqual(FormatUnit(1024 * 1024 - 1, 'g'), '1024.0')

    self.assertEqual(FormatUnit(1024 * 1024, 'g'), '1024.0')
    self.assertEqual(FormatUnit(5120 * 1024, 'g'), '5120.0')
    self.assertEqual(FormatUnit(29829 * 1024, 'g'), '29829.0')
Iustin Pop's avatar
Iustin Pop committed
354
355

  def testTiB(self):
356
357
358
    self.assertEqual(FormatUnit(1024 * 1024, 'h'), '1.0T')
    self.assertEqual(FormatUnit(5120 * 1024, 'h'), '5.0T')
    self.assertEqual(FormatUnit(29829 * 1024, 'h'), '29.1T')
Iustin Pop's avatar
Iustin Pop committed
359

360
361
362
    self.assertEqual(FormatUnit(1024 * 1024, 't'), '1.0')
    self.assertEqual(FormatUnit(5120 * 1024, 't'), '5.0')
    self.assertEqual(FormatUnit(29829 * 1024, 't'), '29.1')
Iustin Pop's avatar
Iustin Pop committed
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403

class TestParseUnit(unittest.TestCase):
  """Test case for the ParseUnit function"""

  SCALES = (('', 1),
            ('M', 1), ('G', 1024), ('T', 1024 * 1024),
            ('MB', 1), ('GB', 1024), ('TB', 1024 * 1024),
            ('MiB', 1), ('GiB', 1024), ('TiB', 1024 * 1024))

  def testRounding(self):
    self.assertEqual(ParseUnit('0'), 0)
    self.assertEqual(ParseUnit('1'), 4)
    self.assertEqual(ParseUnit('2'), 4)
    self.assertEqual(ParseUnit('3'), 4)

    self.assertEqual(ParseUnit('124'), 124)
    self.assertEqual(ParseUnit('125'), 128)
    self.assertEqual(ParseUnit('126'), 128)
    self.assertEqual(ParseUnit('127'), 128)
    self.assertEqual(ParseUnit('128'), 128)
    self.assertEqual(ParseUnit('129'), 132)
    self.assertEqual(ParseUnit('130'), 132)

  def testFloating(self):
    self.assertEqual(ParseUnit('0'), 0)
    self.assertEqual(ParseUnit('0.5'), 4)
    self.assertEqual(ParseUnit('1.75'), 4)
    self.assertEqual(ParseUnit('1.99'), 4)
    self.assertEqual(ParseUnit('2.00'), 4)
    self.assertEqual(ParseUnit('2.01'), 4)
    self.assertEqual(ParseUnit('3.99'), 4)
    self.assertEqual(ParseUnit('4.00'), 4)
    self.assertEqual(ParseUnit('4.01'), 8)
    self.assertEqual(ParseUnit('1.5G'), 1536)
    self.assertEqual(ParseUnit('1.8G'), 1844)
    self.assertEqual(ParseUnit('8.28T'), 8682212)

  def testSuffixes(self):
    for sep in ('', ' ', '   ', "\t", "\t "):
      for suffix, scale in TestParseUnit.SCALES:
        for func in (lambda x: x, str.lower, str.upper):
404
405
          self.assertEqual(ParseUnit('1024' + sep + func(suffix)),
                           1024 * scale)
Iustin Pop's avatar
Iustin Pop committed
406
407
408
409
410
411
412
413
414
415

  def testInvalidInput(self):
    for sep in ('-', '_', ',', 'a'):
      for suffix, _ in TestParseUnit.SCALES:
        self.assertRaises(UnitParseError, ParseUnit, '1' + sep + suffix)

    for suffix, _ in TestParseUnit.SCALES:
      self.assertRaises(UnitParseError, ParseUnit, '1,3' + suffix)


416
class TestSshKeys(testutils.GanetiTestCase):
Iustin Pop's avatar
Iustin Pop committed
417
418
419
420
421
422
  """Test case for the AddAuthorizedKey function"""

  KEY_A = 'ssh-dss AAAAB3NzaC1w5256closdj32mZaQU root@key-a'
  KEY_B = ('command="/usr/bin/fooserver -t --verbose",from="1.2.3.4" '
           'ssh-dss AAAAB3NzaC1w520smc01ms0jfJs22 root@key-b')

423
424
  def setUp(self):
    (fd, self.tmpname) = tempfile.mkstemp(prefix='ganeti-test')
Iustin Pop's avatar
Iustin Pop committed
425
    try:
426
427
428
429
430
431
432
433
434
      handle = os.fdopen(fd, 'w')
      try:
        handle.write("%s\n" % TestSshKeys.KEY_A)
        handle.write("%s\n" % TestSshKeys.KEY_B)
      finally:
        handle.close()
    except:
      utils.RemoveFile(self.tmpname)
      raise
Iustin Pop's avatar
Iustin Pop committed
435

436
437
438
  def tearDown(self):
    utils.RemoveFile(self.tmpname)
    del self.tmpname
Iustin Pop's avatar
Iustin Pop committed
439
440

  def testAddingNewKey(self):
441
    AddAuthorizedKey(self.tmpname, 'ssh-dss AAAAB3NzaC1kc3MAAACB root@test')
Iustin Pop's avatar
Iustin Pop committed
442

443
444
445
446
447
    self.assertFileContent(self.tmpname,
      "ssh-dss AAAAB3NzaC1w5256closdj32mZaQU root@key-a\n"
      'command="/usr/bin/fooserver -t --verbose",from="1.2.3.4"'
      " ssh-dss AAAAB3NzaC1w520smc01ms0jfJs22 root@key-b\n"
      "ssh-dss AAAAB3NzaC1kc3MAAACB root@test\n")
Iustin Pop's avatar
Iustin Pop committed
448

449
  def testAddingAlmostButNotCompletelyTheSameKey(self):
450
451
452
453
454
455
456
457
    AddAuthorizedKey(self.tmpname,
        'ssh-dss AAAAB3NzaC1w5256closdj32mZaQU root@test')

    self.assertFileContent(self.tmpname,
      "ssh-dss AAAAB3NzaC1w5256closdj32mZaQU root@key-a\n"
      'command="/usr/bin/fooserver -t --verbose",from="1.2.3.4"'
      " ssh-dss AAAAB3NzaC1w520smc01ms0jfJs22 root@key-b\n"
      "ssh-dss AAAAB3NzaC1w5256closdj32mZaQU root@test\n")
Iustin Pop's avatar
Iustin Pop committed
458
459

  def testAddingExistingKeyWithSomeMoreSpaces(self):
460
461
    AddAuthorizedKey(self.tmpname,
        'ssh-dss  AAAAB3NzaC1w5256closdj32mZaQU   root@key-a')
Iustin Pop's avatar
Iustin Pop committed
462

463
464
465
466
    self.assertFileContent(self.tmpname,
      "ssh-dss AAAAB3NzaC1w5256closdj32mZaQU root@key-a\n"
      'command="/usr/bin/fooserver -t --verbose",from="1.2.3.4"'
      " ssh-dss AAAAB3NzaC1w520smc01ms0jfJs22 root@key-b\n")
Iustin Pop's avatar
Iustin Pop committed
467
468

  def testRemovingExistingKeyWithSomeMoreSpaces(self):
469
470
    RemoveAuthorizedKey(self.tmpname,
        'ssh-dss  AAAAB3NzaC1w5256closdj32mZaQU   root@key-a')
Iustin Pop's avatar
Iustin Pop committed
471

472
473
474
    self.assertFileContent(self.tmpname,
      'command="/usr/bin/fooserver -t --verbose",from="1.2.3.4"'
      " ssh-dss AAAAB3NzaC1w520smc01ms0jfJs22 root@key-b\n")
Iustin Pop's avatar
Iustin Pop committed
475
476

  def testRemovingNonExistingKey(self):
477
478
    RemoveAuthorizedKey(self.tmpname,
        'ssh-dss  AAAAB3Nsdfj230xxjxJjsjwjsjdjU   root@test')
Iustin Pop's avatar
Iustin Pop committed
479

480
481
482
483
    self.assertFileContent(self.tmpname,
      "ssh-dss AAAAB3NzaC1w5256closdj32mZaQU root@key-a\n"
      'command="/usr/bin/fooserver -t --verbose",from="1.2.3.4"'
      " ssh-dss AAAAB3NzaC1w520smc01ms0jfJs22 root@key-b\n")
Iustin Pop's avatar
Iustin Pop committed
484
485


486
class TestEtcHosts(testutils.GanetiTestCase):
487
488
  """Test functions modifying /etc/hosts"""

489
490
  def setUp(self):
    (fd, self.tmpname) = tempfile.mkstemp(prefix='ganeti-test')
491
    try:
492
493
494
495
496
497
498
499
500
501
      handle = os.fdopen(fd, 'w')
      try:
        handle.write('# This is a test file for /etc/hosts\n')
        handle.write('127.0.0.1\tlocalhost\n')
        handle.write('192.168.1.1 router gw\n')
      finally:
        handle.close()
    except:
      utils.RemoveFile(self.tmpname)
      raise
502

503
504
505
  def tearDown(self):
    utils.RemoveFile(self.tmpname)
    del self.tmpname
506

507
  def testSettingNewIp(self):
508
    SetEtcHostsEntry(self.tmpname, '1.2.3.4', 'myhost.domain.tld', ['myhost'])
509

510
511
512
513
514
    self.assertFileContent(self.tmpname,
      "# This is a test file for /etc/hosts\n"
      "127.0.0.1\tlocalhost\n"
      "192.168.1.1 router gw\n"
      "1.2.3.4\tmyhost.domain.tld myhost\n")
515

516
  def testSettingExistingIp(self):
517
518
    SetEtcHostsEntry(self.tmpname, '192.168.1.1', 'myhost.domain.tld',
                     ['myhost'])
519

520
521
522
523
    self.assertFileContent(self.tmpname,
      "# This is a test file for /etc/hosts\n"
      "127.0.0.1\tlocalhost\n"
      "192.168.1.1\tmyhost.domain.tld myhost\n")
524

525
526
527
528
529
530
531
532
533
  def testSettingDuplicateName(self):
    SetEtcHostsEntry(self.tmpname, '1.2.3.4', 'myhost', ['myhost'])

    self.assertFileContent(self.tmpname,
      "# This is a test file for /etc/hosts\n"
      "127.0.0.1\tlocalhost\n"
      "192.168.1.1 router gw\n"
      "1.2.3.4\tmyhost\n")

534
  def testRemovingExistingHost(self):
535
    RemoveEtcHostsEntry(self.tmpname, 'router')
536

537
538
539
540
    self.assertFileContent(self.tmpname,
      "# This is a test file for /etc/hosts\n"
      "127.0.0.1\tlocalhost\n"
      "192.168.1.1 gw\n")
541
542

  def testRemovingSingleExistingHost(self):
543
    RemoveEtcHostsEntry(self.tmpname, 'localhost')
544

545
546
547
    self.assertFileContent(self.tmpname,
      "# This is a test file for /etc/hosts\n"
      "192.168.1.1 router gw\n")
548
549

  def testRemovingNonExistingHost(self):
550
    RemoveEtcHostsEntry(self.tmpname, 'myhost')
551

552
553
554
555
    self.assertFileContent(self.tmpname,
      "# This is a test file for /etc/hosts\n"
      "127.0.0.1\tlocalhost\n"
      "192.168.1.1 router gw\n")
556

557
  def testRemovingAlias(self):
558
    RemoveEtcHostsEntry(self.tmpname, 'gw')
559

560
561
562
563
    self.assertFileContent(self.tmpname,
      "# This is a test file for /etc/hosts\n"
      "127.0.0.1\tlocalhost\n"
      "192.168.1.1 router\n")
564

565

Iustin Pop's avatar
Iustin Pop committed
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
class TestShellQuoting(unittest.TestCase):
  """Test case for shell quoting functions"""

  def testShellQuote(self):
    self.assertEqual(ShellQuote('abc'), "abc")
    self.assertEqual(ShellQuote('ab"c'), "'ab\"c'")
    self.assertEqual(ShellQuote("a'bc"), "'a'\\''bc'")
    self.assertEqual(ShellQuote("a b c"), "'a b c'")
    self.assertEqual(ShellQuote("a b\\ c"), "'a b\\ c'")

  def testShellQuoteArgs(self):
    self.assertEqual(ShellQuoteArgs(['a', 'b', 'c']), "a b c")
    self.assertEqual(ShellQuoteArgs(['a', 'b"', 'c']), "a 'b\"' c")
    self.assertEqual(ShellQuoteArgs(['a', 'b\'', 'c']), "a 'b'\\\''' c")


582
583
584
585
586
class TestTcpPing(unittest.TestCase):
  """Testcase for TCP version of ping - against listen(2)ing port"""

  def setUp(self):
    self.listener = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
587
    self.listener.bind((constants.LOCALHOST_IP_ADDRESS, 0))
588
589
590
591
592
593
594
595
596
    self.listenerport = self.listener.getsockname()[1]
    self.listener.listen(1)

  def tearDown(self):
    self.listener.shutdown(socket.SHUT_RDWR)
    del self.listener
    del self.listenerport

  def testTcpPingToLocalHostAccept(self):
597
    self.assert_(TcpPing(constants.LOCALHOST_IP_ADDRESS,
598
599
                         self.listenerport,
                         timeout=10,
600
601
602
                         live_port_needed=True,
                         source=constants.LOCALHOST_IP_ADDRESS,
                         ),
603
604
                 "failed to connect to test listener")

605
606
607
608
609
610
611
    self.assert_(TcpPing(constants.LOCALHOST_IP_ADDRESS,
                         self.listenerport,
                         timeout=10,
                         live_port_needed=True,
                         ),
                 "failed to connect to test listener (no source)")

612
613
614
615
616
617

class TestTcpPingDeaf(unittest.TestCase):
  """Testcase for TCP version of ping - against non listen(2)ing port"""

  def setUp(self):
    self.deaflistener = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
618
    self.deaflistener.bind((constants.LOCALHOST_IP_ADDRESS, 0))
619
620
621
622
623
624
625
    self.deaflistenerport = self.deaflistener.getsockname()[1]

  def tearDown(self):
    del self.deaflistener
    del self.deaflistenerport

  def testTcpPingToLocalHostAcceptDeaf(self):
626
    self.failIf(TcpPing(constants.LOCALHOST_IP_ADDRESS,
627
                        self.deaflistenerport,
628
                        timeout=constants.TCP_PING_TIMEOUT,
629
630
631
                        live_port_needed=True,
                        source=constants.LOCALHOST_IP_ADDRESS,
                        ), # need successful connect(2)
632
633
                "successfully connected to deaf listener")

634
635
636
637
638
639
640
    self.failIf(TcpPing(constants.LOCALHOST_IP_ADDRESS,
                        self.deaflistenerport,
                        timeout=constants.TCP_PING_TIMEOUT,
                        live_port_needed=True,
                        ), # need successful connect(2)
                "successfully connected to deaf listener (no source addr)")

641
  def testTcpPingToLocalHostNoAccept(self):
642
    self.assert_(TcpPing(constants.LOCALHOST_IP_ADDRESS,
643
                         self.deaflistenerport,
644
                         timeout=constants.TCP_PING_TIMEOUT,
645
646
647
                         live_port_needed=False,
                         source=constants.LOCALHOST_IP_ADDRESS,
                         ), # ECONNREFUSED is OK
648
649
                 "failed to ping alive host on deaf port")

650
651
652
653
654
655
656
    self.assert_(TcpPing(constants.LOCALHOST_IP_ADDRESS,
                         self.deaflistenerport,
                         timeout=constants.TCP_PING_TIMEOUT,
                         live_port_needed=False,
                         ), # ECONNREFUSED is OK
                 "failed to ping alive host on deaf port (no source addr)")

657

658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
class TestOwnIpAddress(unittest.TestCase):
  """Testcase for OwnIpAddress"""

  def testOwnLoopback(self):
    """check having the loopback ip"""
    self.failUnless(OwnIpAddress(constants.LOCALHOST_IP_ADDRESS),
                    "Should own the loopback address")

  def testNowOwnAddress(self):
    """check that I don't own an address"""

    # network 192.0.2.0/24 is reserved for test/documentation as per
    # rfc 3330, so we *should* not have an address of this range... if
    # this fails, we should extend the test to multiple addresses
    DST_IP = "192.0.2.1"
    self.failIf(OwnIpAddress(DST_IP), "Should not own IP address %s" % DST_IP)


676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
class TestListVisibleFiles(unittest.TestCase):
  """Test case for ListVisibleFiles"""

  def setUp(self):
    self.path = tempfile.mkdtemp()

  def tearDown(self):
    shutil.rmtree(self.path)

  def _test(self, files, expected):
    # Sort a copy
    expected = expected[:]
    expected.sort()

    for name in files:
      f = open(os.path.join(self.path, name), 'w')
      try:
        f.write("Test\n")
      finally:
        f.close()

    found = ListVisibleFiles(self.path)
    found.sort()

    self.assertEqual(found, expected)

  def testAllVisible(self):
    files = ["a", "b", "c"]
    expected = files
    self._test(files, expected)

  def testNoneVisible(self):
    files = [".a", ".b", ".c"]
    expected = []
    self._test(files, expected)

  def testSomeVisible(self):
    files = ["a", "b", ".c"]
    expected = ["a", "b"]
    self._test(files, expected)


718
719
class TestNewUUID(unittest.TestCase):
  """Test case for NewUUID"""
720
721
722
723
724

  _re_uuid = re.compile('^[a-f0-9]{8}-[a-f0-9]{4}-[a-f0-9]{4}-'
                        '[a-f0-9]{4}-[a-f0-9]{12}$')

  def runTest(self):
725
    self.failUnless(self._re_uuid.match(utils.NewUUID()))
726
727


728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
class TestUniqueSequence(unittest.TestCase):
  """Test case for UniqueSequence"""

  def _test(self, input, expected):
    self.assertEqual(utils.UniqueSequence(input), expected)

  def runTest(self):
    # Ordered input
    self._test([1, 2, 3], [1, 2, 3])
    self._test([1, 1, 2, 2, 3, 3], [1, 2, 3])
    self._test([1, 2, 2, 3], [1, 2, 3])
    self._test([1, 2, 3, 3], [1, 2, 3])

    # Unordered input
    self._test([1, 2, 3, 1, 2, 3], [1, 2, 3])
    self._test([1, 1, 2, 3, 3, 1, 2], [1, 2, 3])

    # Strings
    self._test(["a", "a"], ["a"])
    self._test(["a", "b"], ["a", "b"])
    self._test(["a", "b", "a"], ["a", "b"])

750

751
752
753
754
755
756
757
758
759
760
class TestFirstFree(unittest.TestCase):
  """Test case for the FirstFree function"""

  def test(self):
    """Test FirstFree"""
    self.failUnlessEqual(FirstFree([0, 1, 3]), 2)
    self.failUnlessEqual(FirstFree([]), None)
    self.failUnlessEqual(FirstFree([3, 4, 6]), 0)
    self.failUnlessEqual(FirstFree([3, 4, 6], base=3), 5)
    self.failUnlessRaises(AssertionError, FirstFree, [0, 3, 4, 6], base=3)
761

762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818

class TestFileLock(unittest.TestCase):
  """Test case for the FileLock class"""

  def setUp(self):
    self.tmpfile = tempfile.NamedTemporaryFile()
    self.lock = utils.FileLock(self.tmpfile.name)

  def testSharedNonblocking(self):
    self.lock.Shared(blocking=False)
    self.lock.Close()

  def testExclusiveNonblocking(self):
    self.lock.Exclusive(blocking=False)
    self.lock.Close()

  def testUnlockNonblocking(self):
    self.lock.Unlock(blocking=False)
    self.lock.Close()

  def testSharedBlocking(self):
    self.lock.Shared(blocking=True)
    self.lock.Close()

  def testExclusiveBlocking(self):
    self.lock.Exclusive(blocking=True)
    self.lock.Close()

  def testUnlockBlocking(self):
    self.lock.Unlock(blocking=True)
    self.lock.Close()

  def testSharedExclusiveUnlock(self):
    self.lock.Shared(blocking=False)
    self.lock.Exclusive(blocking=False)
    self.lock.Unlock(blocking=False)
    self.lock.Close()

  def testExclusiveSharedUnlock(self):
    self.lock.Exclusive(blocking=False)
    self.lock.Shared(blocking=False)
    self.lock.Unlock(blocking=False)
    self.lock.Close()

  def testCloseShared(self):
    self.lock.Close()
    self.assertRaises(AssertionError, self.lock.Shared, blocking=False)

  def testCloseExclusive(self):
    self.lock.Close()
    self.assertRaises(AssertionError, self.lock.Exclusive, blocking=False)

  def testCloseUnlock(self):
    self.lock.Close()
    self.assertRaises(AssertionError, self.lock.Unlock, blocking=False)


819
820
821
822
823
class TestTimeFunctions(unittest.TestCase):
  """Test case for time functions"""

  def runTest(self):
    self.assertEqual(utils.SplitTime(1), (1, 0))
824
825
826
827
828
829
830
831
832
    self.assertEqual(utils.SplitTime(1.5), (1, 500000))
    self.assertEqual(utils.SplitTime(1218448917.4809151), (1218448917, 480915))
    self.assertEqual(utils.SplitTime(123.48012), (123, 480120))
    self.assertEqual(utils.SplitTime(123.9996), (123, 999600))
    self.assertEqual(utils.SplitTime(123.9995), (123, 999500))
    self.assertEqual(utils.SplitTime(123.9994), (123, 999400))
    self.assertEqual(utils.SplitTime(123.999999999), (123, 999999))

    self.assertRaises(AssertionError, utils.SplitTime, -1)
833
834

    self.assertEqual(utils.MergeTime((1, 0)), 1.0)
835
836
    self.assertEqual(utils.MergeTime((1, 500000)), 1.5)
    self.assertEqual(utils.MergeTime((1218448917, 500000)), 1218448917.5)
837

838
839
    self.assertEqual(round(utils.MergeTime((1218448917, 481000)), 3), 1218448917.481)
    self.assertEqual(round(utils.MergeTime((1, 801000)), 3), 1.801)
840
841

    self.assertRaises(AssertionError, utils.MergeTime, (0, -1))
842
843
    self.assertRaises(AssertionError, utils.MergeTime, (0, 1000000))
    self.assertRaises(AssertionError, utils.MergeTime, (0, 9999999))
844
845
846
847
    self.assertRaises(AssertionError, utils.MergeTime, (-1, 0))
    self.assertRaises(AssertionError, utils.MergeTime, (-9999, 0))


Iustin Pop's avatar
Iustin Pop committed
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
class FieldSetTestCase(unittest.TestCase):
  """Test case for FieldSets"""

  def testSimpleMatch(self):
    f = utils.FieldSet("a", "b", "c", "def")
    self.failUnless(f.Matches("a"))
    self.failIf(f.Matches("d"), "Substring matched")
    self.failIf(f.Matches("defghi"), "Prefix string matched")
    self.failIf(f.NonMatching(["b", "c"]))
    self.failIf(f.NonMatching(["a", "b", "c", "def"]))
    self.failUnless(f.NonMatching(["a", "d"]))

  def testRegexMatch(self):
    f = utils.FieldSet("a", "b([0-9]+)", "c")
    self.failUnless(f.Matches("b1"))
    self.failUnless(f.Matches("b99"))
    self.failIf(f.Matches("b/1"))
    self.failIf(f.NonMatching(["b12", "c"]))
    self.failUnless(f.NonMatching(["a", "1"]))


Iustin Pop's avatar
Iustin Pop committed
869
870
if __name__ == '__main__':
  unittest.main()