ganeti.utils_unittest.py 29.4 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

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)


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
class TestRename(unittest.TestCase):
  """Test case for RenameFile"""

  def setUp(self):
    """Create a temporary directory"""
    self.tmpdir = tempfile.mkdtemp()
    self.tmpfile = os.path.join(self.tmpdir, "test1")

    # Touch the file
    open(self.tmpfile, "w").close()

  def tearDown(self):
    """Remove temporary directory"""
    shutil.rmtree(self.tmpdir)

  def testSimpleRename1(self):
    """Simple rename 1"""
    utils.RenameFile(self.tmpfile, os.path.join(self.tmpdir, "xyz"))

  def testSimpleRename2(self):
    """Simple rename 2"""
    utils.RenameFile(self.tmpfile, os.path.join(self.tmpdir, "xyz"),
                     mkdir=True)

  def testRenameMkdir(self):
    """Rename with mkdir"""
    utils.RenameFile(self.tmpfile, os.path.join(self.tmpdir, "test/xyz"),
                     mkdir=True)


Iustin Pop's avatar
Iustin Pop committed
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
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):
357
358
359
360
361
362
363
364
365
366
367
368
    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
369
370

  def testGiB(self):
371
372
373
374
375
376
377
378
379
380
381
382
383
    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
384
385

  def testTiB(self):
386
387
388
    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
389

390
391
392
    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
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433

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):
434
435
          self.assertEqual(ParseUnit('1024' + sep + func(suffix)),
                           1024 * scale)
Iustin Pop's avatar
Iustin Pop committed
436
437
438
439
440
441
442
443
444
445

  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)


446
class TestSshKeys(testutils.GanetiTestCase):
Iustin Pop's avatar
Iustin Pop committed
447
448
449
450
451
452
  """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')

453
454
  def setUp(self):
    (fd, self.tmpname) = tempfile.mkstemp(prefix='ganeti-test')
Iustin Pop's avatar
Iustin Pop committed
455
    try:
456
457
458
459
460
461
462
463
464
      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
465

466
467
468
  def tearDown(self):
    utils.RemoveFile(self.tmpname)
    del self.tmpname
Iustin Pop's avatar
Iustin Pop committed
469
470

  def testAddingNewKey(self):
471
    AddAuthorizedKey(self.tmpname, 'ssh-dss AAAAB3NzaC1kc3MAAACB root@test')
Iustin Pop's avatar
Iustin Pop committed
472

473
474
475
476
477
    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
478

479
  def testAddingAlmostButNotCompletelyTheSameKey(self):
480
481
482
483
484
485
486
487
    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
488
489

  def testAddingExistingKeyWithSomeMoreSpaces(self):
490
491
    AddAuthorizedKey(self.tmpname,
        'ssh-dss  AAAAB3NzaC1w5256closdj32mZaQU   root@key-a')
Iustin Pop's avatar
Iustin Pop committed
492

493
494
495
496
    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
497
498

  def testRemovingExistingKeyWithSomeMoreSpaces(self):
499
500
    RemoveAuthorizedKey(self.tmpname,
        'ssh-dss  AAAAB3NzaC1w5256closdj32mZaQU   root@key-a')
Iustin Pop's avatar
Iustin Pop committed
501

502
503
504
    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
505
506

  def testRemovingNonExistingKey(self):
507
508
    RemoveAuthorizedKey(self.tmpname,
        'ssh-dss  AAAAB3Nsdfj230xxjxJjsjwjsjdjU   root@test')
Iustin Pop's avatar
Iustin Pop committed
509

510
511
512
513
    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
514
515


516
class TestEtcHosts(testutils.GanetiTestCase):
517
518
  """Test functions modifying /etc/hosts"""

519
520
  def setUp(self):
    (fd, self.tmpname) = tempfile.mkstemp(prefix='ganeti-test')
521
    try:
522
523
524
525
526
527
528
529
530
531
      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
532

533
534
535
  def tearDown(self):
    utils.RemoveFile(self.tmpname)
    del self.tmpname
536

537
  def testSettingNewIp(self):
538
    SetEtcHostsEntry(self.tmpname, '1.2.3.4', 'myhost.domain.tld', ['myhost'])
539

540
541
542
543
544
    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")
545

546
  def testSettingExistingIp(self):
547
548
    SetEtcHostsEntry(self.tmpname, '192.168.1.1', 'myhost.domain.tld',
                     ['myhost'])
549

550
551
552
553
    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")
554

555
556
557
558
559
560
561
562
563
  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")

564
  def testRemovingExistingHost(self):
565
    RemoveEtcHostsEntry(self.tmpname, 'router')
566

567
568
569
570
    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")
571
572

  def testRemovingSingleExistingHost(self):
573
    RemoveEtcHostsEntry(self.tmpname, 'localhost')
574

575
576
577
    self.assertFileContent(self.tmpname,
      "# This is a test file for /etc/hosts\n"
      "192.168.1.1 router gw\n")
578
579

  def testRemovingNonExistingHost(self):
580
    RemoveEtcHostsEntry(self.tmpname, 'myhost')
581

582
583
584
585
    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")
586

587
  def testRemovingAlias(self):
588
    RemoveEtcHostsEntry(self.tmpname, 'gw')
589

590
591
592
593
    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")
594

595

Iustin Pop's avatar
Iustin Pop committed
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
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")


612
613
614
615
616
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)
617
    self.listener.bind((constants.LOCALHOST_IP_ADDRESS, 0))
618
619
620
621
622
623
624
625
626
    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):
627
    self.assert_(TcpPing(constants.LOCALHOST_IP_ADDRESS,
628
629
                         self.listenerport,
                         timeout=10,
630
631
632
                         live_port_needed=True,
                         source=constants.LOCALHOST_IP_ADDRESS,
                         ),
633
634
                 "failed to connect to test listener")

635
636
637
638
639
640
641
    self.assert_(TcpPing(constants.LOCALHOST_IP_ADDRESS,
                         self.listenerport,
                         timeout=10,
                         live_port_needed=True,
                         ),
                 "failed to connect to test listener (no source)")

642
643
644
645
646
647

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)
648
    self.deaflistener.bind((constants.LOCALHOST_IP_ADDRESS, 0))
649
650
651
652
653
654
655
    self.deaflistenerport = self.deaflistener.getsockname()[1]

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

  def testTcpPingToLocalHostAcceptDeaf(self):
656
    self.failIf(TcpPing(constants.LOCALHOST_IP_ADDRESS,
657
                        self.deaflistenerport,
658
                        timeout=constants.TCP_PING_TIMEOUT,
659
660
661
                        live_port_needed=True,
                        source=constants.LOCALHOST_IP_ADDRESS,
                        ), # need successful connect(2)
662
663
                "successfully connected to deaf listener")

664
665
666
667
668
669
670
    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)")

671
  def testTcpPingToLocalHostNoAccept(self):
672
    self.assert_(TcpPing(constants.LOCALHOST_IP_ADDRESS,
673
                         self.deaflistenerport,
674
                         timeout=constants.TCP_PING_TIMEOUT,
675
676
677
                         live_port_needed=False,
                         source=constants.LOCALHOST_IP_ADDRESS,
                         ), # ECONNREFUSED is OK
678
679
                 "failed to ping alive host on deaf port")

680
681
682
683
684
685
686
    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)")

687

688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
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)


706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
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)


748
749
class TestNewUUID(unittest.TestCase):
  """Test case for NewUUID"""
750
751
752
753
754

  _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):
755
    self.failUnless(self._re_uuid.match(utils.NewUUID()))
756
757


758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
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"])

780

781
782
783
784
785
786
787
788
789
790
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)
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
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848

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)


849
850
851
852
853
class TestTimeFunctions(unittest.TestCase):
  """Test case for time functions"""

  def runTest(self):
    self.assertEqual(utils.SplitTime(1), (1, 0))
854
855
856
857
858
859
860
861
862
    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)
863
864

    self.assertEqual(utils.MergeTime((1, 0)), 1.0)
865
866
    self.assertEqual(utils.MergeTime((1, 500000)), 1.5)
    self.assertEqual(utils.MergeTime((1218448917, 500000)), 1218448917.5)
867

868
869
    self.assertEqual(round(utils.MergeTime((1218448917, 481000)), 3), 1218448917.481)
    self.assertEqual(round(utils.MergeTime((1, 801000)), 3), 1.801)
870
871

    self.assertRaises(AssertionError, utils.MergeTime, (0, -1))
872
873
    self.assertRaises(AssertionError, utils.MergeTime, (0, 1000000))
    self.assertRaises(AssertionError, utils.MergeTime, (0, 9999999))
874
875
876
877
    self.assertRaises(AssertionError, utils.MergeTime, (-1, 0))
    self.assertRaises(AssertionError, utils.MergeTime, (-9999, 0))


Iustin Pop's avatar
Iustin Pop committed
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
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
899
900
if __name__ == '__main__':
  unittest.main()