qa_instance.py 15.3 KB
Newer Older
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
# Copyright (C) 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.


"""Instance related QA tests.

"""

26
27
28
import re
import time

29
from ganeti import utils
Michael Hanselmann's avatar
Michael Hanselmann committed
30
from ganeti import constants
31
32

import qa_config
Michael Hanselmann's avatar
Michael Hanselmann committed
33
import qa_utils
34
35
36
import qa_error

from qa_utils import AssertEqual, AssertNotEqual, StartSSH
37

38
39
40

def _GetDiskStatePath(disk):
  return "/sys/block/%s/device/state" % disk
41
42


Michael Hanselmann's avatar
Michael Hanselmann committed
43
def _GetGenericAddParameters():
44
45
46
47
  params = ['-B', '%s=%s' % (constants.BE_MEMORY, qa_config.get('mem'))]
  for idx, size in enumerate(qa_config.get('disk')):
    params.extend(["--disk", "%s:size=%s" % (idx, size)])
  return params
Michael Hanselmann's avatar
Michael Hanselmann committed
48
49


50
def _DiskTest(node, disk_template):
51
52
53
54
  master = qa_config.GetMasterNode()

  instance = qa_config.AcquireInstance()
  try:
Michael Hanselmann's avatar
Michael Hanselmann committed
55
56
    cmd = (['gnt-instance', 'add',
            '--os-type=%s' % qa_config.get('os'),
57
58
            '--disk-template=%s' % disk_template,
            '--node=%s' % node] +
Michael Hanselmann's avatar
Michael Hanselmann committed
59
           _GetGenericAddParameters())
60
61
62
63
64
65
66
67
68
69
70
71
    cmd.append(instance['name'])

    AssertEqual(StartSSH(master['primary'],
                         utils.ShellQuoteArgs(cmd)).wait(), 0)
    return instance
  except:
    qa_config.ReleaseInstance(instance)
    raise


def TestInstanceAddWithPlainDisk(node):
  """gnt-instance add -t plain"""
72
  return _DiskTest(node['primary'], 'plain')
73
74


75
76
77
78
79
80
def TestInstanceAddWithDrbdDisk(node, node2):
  """gnt-instance add -t drbd"""
  return _DiskTest("%s:%s" % (node['primary'], node2['primary']),
                   'drbd')


81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
def TestInstanceRemove(instance):
  """gnt-instance remove"""
  master = qa_config.GetMasterNode()

  cmd = ['gnt-instance', 'remove', '-f', instance['name']]
  AssertEqual(StartSSH(master['primary'],
                       utils.ShellQuoteArgs(cmd)).wait(), 0)

  qa_config.ReleaseInstance(instance)


def TestInstanceStartup(instance):
  """gnt-instance startup"""
  master = qa_config.GetMasterNode()

  cmd = ['gnt-instance', 'startup', instance['name']]
  AssertEqual(StartSSH(master['primary'],
                       utils.ShellQuoteArgs(cmd)).wait(), 0)


def TestInstanceShutdown(instance):
  """gnt-instance shutdown"""
  master = qa_config.GetMasterNode()

  cmd = ['gnt-instance', 'shutdown', instance['name']]
  AssertEqual(StartSSH(master['primary'],
                       utils.ShellQuoteArgs(cmd)).wait(), 0)


110
111
112
113
def TestInstanceReboot(instance):
  """gnt-instance reboot"""
  master = qa_config.GetMasterNode()

114
115
116
117
118
  options = qa_config.get('options', {})
  reboot_types = options.get("reboot-types", constants.REBOOT_TYPES)

  for rtype in reboot_types:
    cmd = ['gnt-instance', 'reboot', '--type=%s' % rtype, instance['name']]
119
120
121
122
    AssertEqual(StartSSH(master['primary'],
                         utils.ShellQuoteArgs(cmd)).wait(), 0)


Michael Hanselmann's avatar
Michael Hanselmann committed
123
124
125
126
127
128
129
130
131
def TestInstanceReinstall(instance):
  """gnt-instance reinstall"""
  master = qa_config.GetMasterNode()

  cmd = ['gnt-instance', 'reinstall', '-f', instance['name']]
  AssertEqual(StartSSH(master['primary'],
                       utils.ShellQuoteArgs(cmd)).wait(), 0)


132
def TestInstanceRename(instance, rename_target):
133
134
135
136
137
138
139
140
141
142
143
144
  """gnt-instance rename"""
  master = qa_config.GetMasterNode()

  rename_source = instance['name']

  for name1, name2 in [(rename_source, rename_target),
                       (rename_target, rename_source)]:
    cmd = ['gnt-instance', 'rename', name1, name2]
    AssertEqual(StartSSH(master['primary'],
                         utils.ShellQuoteArgs(cmd)).wait(), 0)


145
146
147
148
149
150
151
152
def TestInstanceFailover(instance):
  """gnt-instance failover"""
  master = qa_config.GetMasterNode()

  cmd = ['gnt-instance', 'failover', '--force', instance['name']]
  AssertEqual(StartSSH(master['primary'],
                       utils.ShellQuoteArgs(cmd)).wait(), 0)

153
154
155
156
157
  # ... and back
  cmd = ['gnt-instance', 'failover', '--force', instance['name']]
  AssertEqual(StartSSH(master['primary'],
                       utils.ShellQuoteArgs(cmd)).wait(), 0)

158

159
160
161
162
163
164
165
166
167
168
169
170
171
172
def TestInstanceMigrate(instance):
  """gnt-instance migrate"""
  master = qa_config.GetMasterNode()

  cmd = ["gnt-instance", "migrate", "--force", instance["name"]]
  AssertEqual(StartSSH(master["primary"],
                       utils.ShellQuoteArgs(cmd)).wait(), 0)

  # ... and back
  cmd = ["gnt-instance", "migrate", "--force", instance["name"]]
  AssertEqual(StartSSH(master["primary"],
                       utils.ShellQuoteArgs(cmd)).wait(), 0)


173
174
175
176
177
178
179
def TestInstanceInfo(instance):
  """gnt-instance info"""
  master = qa_config.GetMasterNode()

  cmd = ['gnt-instance', 'info', instance['name']]
  AssertEqual(StartSSH(master['primary'],
                       utils.ShellQuoteArgs(cmd)).wait(), 0)
Michael Hanselmann's avatar
Michael Hanselmann committed
180
181


182
183
184
185
def TestInstanceModify(instance):
  """gnt-instance modify"""
  master = qa_config.GetMasterNode()

186
187
188
189
  # Assume /sbin/init exists on all systems
  test_kernel = "/sbin/init"
  test_initrd = test_kernel

190
191
192
  orig_memory = qa_config.get('mem')
  orig_bridge = qa_config.get('bridge', 'xen-br0')
  args = [
193
194
195
196
197
198
199
200
201
    ["-B", "%s=128" % constants.BE_MEMORY],
    ["-B", "%s=%s" % (constants.BE_MEMORY, orig_memory)],
    ["-B", "%s=2" % constants.BE_VCPUS],
    ["-B", "%s=1" % constants.BE_VCPUS],
    ["-B", "%s=%s" % (constants.BE_VCPUS, constants.VALUE_DEFAULT)],

    ["-H", "%s=%s" % (constants.HV_KERNEL_PATH, test_kernel)],
    ["-H", "%s=%s" % (constants.HV_KERNEL_PATH, constants.VALUE_DEFAULT)],
    ["-H", "%s=%s" % (constants.HV_INITRD_PATH, test_initrd)],
202
    ["-H", "no_%s" % (constants.HV_INITRD_PATH, )],
203
204
205
206
207
208
209
210
211
    ["-H", "%s=%s" % (constants.HV_INITRD_PATH, constants.VALUE_DEFAULT)],

    # TODO: bridge tests
    #["--bridge", "xen-br1"],
    #["--bridge", orig_bridge],

    # TODO: Do these tests only with xen-hvm
    #["-H", "%s=acn" % constants.HV_BOOT_ORDER],
    #["-H", "%s=%s" % (constants.HV_BOOT_ORDER, constants.VALUE_DEFAULT)],
212
213
214
215
216
217
218
219
220
221
222
223
    ]
  for alist in args:
    cmd = ['gnt-instance', 'modify'] + alist + [instance['name']]
    AssertEqual(StartSSH(master['primary'],
                         utils.ShellQuoteArgs(cmd)).wait(), 0)

  # check no-modify
  cmd = ['gnt-instance', 'modify', instance['name']]
  AssertNotEqual(StartSSH(master['primary'],
                          utils.ShellQuoteArgs(cmd)).wait(), 0)


224
225
226
227
228
229
def TestInstanceConvertDisk(instance, snode):
  """gnt-instance modify -t"""
  master = qa_config.GetMasterNode()
  cmd = ['gnt-instance', 'modify', '-t', 'plain', instance['name']]
  AssertEqual(StartSSH(master['primary'],
                       utils.ShellQuoteArgs(cmd)).wait(), 0)
230
231
  cmd = ['gnt-instance', 'modify', '-t', 'drbd', '-n', snode['primary'],
         instance['name']]
232
233
234
235
  AssertEqual(StartSSH(master['primary'],
                       utils.ShellQuoteArgs(cmd)).wait(), 0)


Michael Hanselmann's avatar
Michael Hanselmann committed
236
237
238
239
240
241
242
243
244
def TestInstanceList():
  """gnt-instance list"""
  master = qa_config.GetMasterNode()

  cmd = ['gnt-instance', 'list']
  AssertEqual(StartSSH(master['primary'],
                       utils.ShellQuoteArgs(cmd)).wait(), 0)


245
246
247
248
249
250
251
252
253
def TestInstanceConsole(instance):
  """gnt-instance console"""
  master = qa_config.GetMasterNode()

  cmd = ['gnt-instance', 'console', '--show-cmd', instance['name']]
  AssertEqual(StartSSH(master['primary'],
                       utils.ShellQuoteArgs(cmd)).wait(), 0)


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
def TestReplaceDisks(instance, pnode, snode, othernode):
  """gnt-instance replace-disks"""
  master = qa_config.GetMasterNode()

  def buildcmd(args):
    cmd = ['gnt-instance', 'replace-disks']
    cmd.extend(args)
    cmd.append(instance["name"])
    return cmd

  cmd = buildcmd(["-p"])
  AssertEqual(StartSSH(master['primary'],
                       utils.ShellQuoteArgs(cmd)).wait(), 0)

  cmd = buildcmd(["-s"])
  AssertEqual(StartSSH(master['primary'],
                       utils.ShellQuoteArgs(cmd)).wait(), 0)

  cmd = buildcmd(["--new-secondary=%s" % othernode["primary"]])
  AssertEqual(StartSSH(master['primary'],
                       utils.ShellQuoteArgs(cmd)).wait(), 0)

  # Restore
  cmd = buildcmd(["--new-secondary=%s" % snode["primary"]])
  AssertEqual(StartSSH(master['primary'],
                       utils.ShellQuoteArgs(cmd)).wait(), 0)


Michael Hanselmann's avatar
Michael Hanselmann committed
282
def TestInstanceExport(instance, node):
283
  """gnt-backup export -n ..."""
Michael Hanselmann's avatar
Michael Hanselmann committed
284
285
286
287
288
289
  master = qa_config.GetMasterNode()

  cmd = ['gnt-backup', 'export', '-n', node['primary'], instance['name']]
  AssertEqual(StartSSH(master['primary'],
                       utils.ShellQuoteArgs(cmd)).wait(), 0)

290
  return qa_utils.ResolveInstanceName(instance["name"])
Michael Hanselmann's avatar
Michael Hanselmann committed
291
292


293
294
295
296
297
298
299
300
301
302
def TestInstanceExportWithRemove(instance, node):
  """gnt-backup export --remove-instance"""
  master = qa_config.GetMasterNode()

  cmd = ['gnt-backup', 'export', '-n', node['primary'], "--remove-instance",
         instance['name']]
  AssertEqual(StartSSH(master['primary'],
                       utils.ShellQuoteArgs(cmd)).wait(), 0)


303
304
305
306
307
308
309
310
311
def TestInstanceExportNoTarget(instance):
  """gnt-backup export (without target node, should fail)"""
  master = qa_config.GetMasterNode()

  cmd = ["gnt-backup", "export", instance["name"]]
  AssertNotEqual(StartSSH(master['primary'],
                          utils.ShellQuoteArgs(cmd)).wait(), 0)


Michael Hanselmann's avatar
Michael Hanselmann committed
312
313
314
315
316
317
318
def TestInstanceImport(node, newinst, expnode, name):
  """gnt-backup import"""
  master = qa_config.GetMasterNode()

  cmd = (['gnt-backup', 'import',
          '--disk-template=plain',
          '--no-ip-check',
319
          '--net', '0:mac=generate',
Michael Hanselmann's avatar
Michael Hanselmann committed
320
321
322
323
324
325
326
          '--src-node=%s' % expnode['primary'],
          '--src-dir=%s/%s' % (constants.EXPORT_DIR, name),
          '--node=%s' % node['primary']] +
         _GetGenericAddParameters())
  cmd.append(newinst['name'])
  AssertEqual(StartSSH(master['primary'],
                       utils.ShellQuoteArgs(cmd)).wait(), 0)
Michael Hanselmann's avatar
Michael Hanselmann committed
327
328
329
330
331
332


def TestBackupList(expnode):
  """gnt-backup list"""
  master = qa_config.GetMasterNode()

333
  cmd = ['gnt-backup', 'list', '--node=%s' % expnode['primary']]
Michael Hanselmann's avatar
Michael Hanselmann committed
334
335
  AssertEqual(StartSSH(master['primary'],
                       utils.ShellQuoteArgs(cmd)).wait(), 0)
336
337
338
339
340
341
342


def _TestInstanceDiskFailure(instance, node, node2, onmaster):
  """Testing disk failure."""
  master = qa_config.GetMasterNode()
  sq = utils.ShellQuoteArgs

343
  instance_full = qa_utils.ResolveInstanceName(instance["name"])
344
345
346
  node_full = qa_utils.ResolveNodeName(node)
  node2_full = qa_utils.ResolveNodeName(node2)

347
  print qa_utils.FormatInfo("Getting physical disk names")
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
  cmd = ['gnt-node', 'volumes', '--separator=|', '--no-headers',
         '--output=node,phys,instance',
         node['primary'], node2['primary']]
  output = qa_utils.GetCommandOutput(master['primary'], sq(cmd))

  # Get physical disk names
  re_disk = re.compile(r'^/dev/([a-z]+)\d+$')
  node2disk = {}
  for line in output.splitlines():
    (node_name, phys, inst) = line.split('|')
    if inst == instance_full:
      if node_name not in node2disk:
        node2disk[node_name] = []

      m = re_disk.match(phys)
      if not m:
        raise qa_error.Error("Unknown disk name format: %s" % disk)

      name = m.group(1)
      if name not in node2disk[node_name]:
        node2disk[node_name].append(name)

  if [node2_full, node_full][int(onmaster)] not in node2disk:
371
372
    raise qa_error.Error("Couldn't find physical disks used on"
                         " %s node" % ["secondary", "master"][int(onmaster)])
373

374
375
  print qa_utils.FormatInfo("Checking whether nodes have ability to stop"
                            " disks")
376
377
378
379
380
381
  for node_name, disks in node2disk.iteritems():
    cmds = []
    for disk in disks:
      cmds.append(sq(["test", "-f", _GetDiskStatePath(disk)]))
    AssertEqual(StartSSH(node_name, ' && '.join(cmds)).wait(), 0)

382
  print qa_utils.FormatInfo("Getting device paths")
383
384
385
386
387
388
  cmd = ['gnt-instance', 'activate-disks', instance['name']]
  output = qa_utils.GetCommandOutput(master['primary'], sq(cmd))
  devpath = []
  for line in output.splitlines():
    (_, _, tmpdevpath) = line.split(':')
    devpath.append(tmpdevpath)
389
  print devpath
390

391
  print qa_utils.FormatInfo("Getting drbd device paths")
392
393
  cmd = ['gnt-instance', 'info', instance['name']]
  output = qa_utils.GetCommandOutput(master['primary'], sq(cmd))
394
  pattern = (r'\s+-\s+sd[a-z]+,\s+type:\s+drbd8?,\s+.*$'
395
396
             r'\s+primary:\s+(/dev/drbd\d+)\s+')
  drbddevs = re.findall(pattern, output, re.M)
397
  print drbddevs
398
399
400

  halted_disks = []
  try:
401
    print qa_utils.FormatInfo("Deactivating disks")
Michael Hanselmann's avatar
Michael Hanselmann committed
402
403
404
405
406
407
408
    cmds = []
    for name in node2disk[[node2_full, node_full][int(onmaster)]]:
      halted_disks.append(name)
      cmds.append(sq(["echo", "offline"]) + " >%s" % _GetDiskStatePath(name))
    AssertEqual(StartSSH([node2, node][int(onmaster)]['primary'],
                         ' && '.join(cmds)).wait(), 0)

409
410
    print qa_utils.FormatInfo("Write to disks and give some time to notice"
                              " to notice the problem")
411
412
413
414
415
416
417
418
    cmds = []
    for disk in devpath:
      cmds.append(sq(["dd", "count=1", "bs=512", "conv=notrunc",
                      "if=%s" % disk, "of=%s" % disk]))
    for _ in (0, 1, 2):
      AssertEqual(StartSSH(node['primary'], ' && '.join(cmds)).wait(), 0)
      time.sleep(3)

419
    print qa_utils.FormatInfo("Debugging info")
Michael Hanselmann's avatar
Michael Hanselmann committed
420
421
422
423
    for name in drbddevs:
      cmd = ['drbdsetup', name, 'show']
      AssertEqual(StartSSH(node['primary'], sq(cmd)).wait(), 0)

424
425
426
427
    cmd = ['gnt-instance', 'info', instance['name']]
    AssertEqual(StartSSH(master['primary'], sq(cmd)).wait(), 0)

  finally:
428
    print qa_utils.FormatInfo("Activating disks again")
429
430
431
432
433
434
    cmds = []
    for name in halted_disks:
      cmds.append(sq(["echo", "running"]) + " >%s" % _GetDiskStatePath(name))
    AssertEqual(StartSSH([node2, node][int(onmaster)]['primary'],
                         '; '.join(cmds)).wait(), 0)

Michael Hanselmann's avatar
Michael Hanselmann committed
435
436
437
438
439
440
441
442
443
  if onmaster:
    for name in drbddevs:
      cmd = ['drbdsetup', name, 'detach']
      AssertEqual(StartSSH(node['primary'], sq(cmd)).wait(), 0)
  else:
    for name in drbddevs:
      cmd = ['drbdsetup', name, 'disconnect']
      AssertEqual(StartSSH(node2['primary'], sq(cmd)).wait(), 0)

444
445
446
447
  # TODO
  #cmd = ['vgs']
  #AssertEqual(StartSSH([node2, node][int(onmaster)]['primary'],
  #                     sq(cmd)).wait(), 0)
Michael Hanselmann's avatar
Michael Hanselmann committed
448

449
450
451
452
453
  print qa_utils.FormatInfo("Making sure disks are up again")
  cmd = ['gnt-instance', 'replace-disks', instance['name']]
  AssertEqual(StartSSH(master['primary'], sq(cmd)).wait(), 0)

  print qa_utils.FormatInfo("Restarting instance")
454
455
456
  cmd = ['gnt-instance', 'shutdown', instance['name']]
  AssertEqual(StartSSH(master['primary'], sq(cmd)).wait(), 0)

Michael Hanselmann's avatar
Michael Hanselmann committed
457
  cmd = ['gnt-instance', 'startup', instance['name']]
458
459
460
461
462
463
464
465
  AssertEqual(StartSSH(master['primary'], sq(cmd)).wait(), 0)

  cmd = ['gnt-cluster', 'verify']
  AssertEqual(StartSSH(master['primary'], sq(cmd)).wait(), 0)


def TestInstanceMasterDiskFailure(instance, node, node2):
  """Testing disk failure on master node."""
466
467
  print qa_utils.FormatError("Disk failure on primary node cannot be"
                             " tested due to potential crashes.")
468
  # The following can cause crashes, thus it's disabled until fixed
469
  #return _TestInstanceDiskFailure(instance, node, node2, True)
470
471
472
473
474


def TestInstanceSecondaryDiskFailure(instance, node, node2):
  """Testing disk failure on secondary node."""
  return _TestInstanceDiskFailure(instance, node, node2, False)