qa_instance.py 13.1 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
44
45
46
47
48
def _GetGenericAddParameters():
  return ['--os-size=%s' % qa_config.get('os-size'),
          '--swap-size=%s' % qa_config.get('swap-size'),
          '--memory=%s' % qa_config.get('mem')]


49
def _DiskTest(node, disk_template):
50
51
52
53
  master = qa_config.GetMasterNode()

  instance = qa_config.AcquireInstance()
  try:
Michael Hanselmann's avatar
Michael Hanselmann committed
54
55
    cmd = (['gnt-instance', 'add',
            '--os-type=%s' % qa_config.get('os'),
56
57
            '--disk-template=%s' % disk_template,
            '--node=%s' % node] +
Michael Hanselmann's avatar
Michael Hanselmann committed
58
           _GetGenericAddParameters())
59
60
61
62
63
64
65
66
67
68
    cmd.append(instance['name'])

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


Michael Hanselmann's avatar
Michael Hanselmann committed
69
@qa_utils.DefineHook('instance-add-plain-disk')
70
71
def TestInstanceAddWithPlainDisk(node):
  """gnt-instance add -t plain"""
72
  return _DiskTest(node['primary'], 'plain')
73
74


75
76
77
78
79
80
81
@qa_utils.DefineHook('instance-add-drbd-disk')
def TestInstanceAddWithDrbdDisk(node, node2):
  """gnt-instance add -t drbd"""
  return _DiskTest("%s:%s" % (node['primary'], node2['primary']),
                   'drbd')


Michael Hanselmann's avatar
Michael Hanselmann committed
82
@qa_utils.DefineHook('instance-remove')
83
84
85
86
87
88
89
90
91
92
93
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)


Michael Hanselmann's avatar
Michael Hanselmann committed
94
@qa_utils.DefineHook('instance-startup')
95
96
97
98
99
100
101
102
103
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)


Michael Hanselmann's avatar
Michael Hanselmann committed
104
@qa_utils.DefineHook('instance-shutdown')
105
106
107
108
109
110
111
112
113
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)


114
115
116
117
118
119
120
121
122
123
124
125
@qa_utils.DefineHook('instance-reboot')
def TestInstanceReboot(instance):
  """gnt-instance reboot"""
  master = qa_config.GetMasterNode()

  for reboottype in ["soft", "hard", "full"]:
    cmd = ['gnt-instance', 'reboot', '--type=%s' % reboottype,
           instance['name']]
    AssertEqual(StartSSH(master['primary'],
                         utils.ShellQuoteArgs(cmd)).wait(), 0)


Michael Hanselmann's avatar
Michael Hanselmann committed
126
@qa_utils.DefineHook('instance-reinstall')
Michael Hanselmann's avatar
Michael Hanselmann committed
127
128
129
130
131
132
133
134
135
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)


Michael Hanselmann's avatar
Michael Hanselmann committed
136
@qa_utils.DefineHook('instance-failover')
137
138
139
140
141
142
143
144
145
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)


Michael Hanselmann's avatar
Michael Hanselmann committed
146
@qa_utils.DefineHook('instance-info')
147
148
149
150
151
152
153
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
154
155


156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
@qa_utils.DefineHook('instance-modify')
def TestInstanceModify(instance):
  """gnt-instance modify"""
  master = qa_config.GetMasterNode()

  orig_memory = qa_config.get('mem')
  orig_bridge = qa_config.get('bridge', 'xen-br0')
  args = [
    ["--memory", "128"],
    ["--memory", str(orig_memory)],
    ["--cpu", "2"],
    ["--cpu", "1"],
    ["--bridge", "xen-br1"],
    ["--bridge", orig_bridge],
    ["--kernel", "/dev/null"],
    ["--kernel", "default"],
    ["--initrd", "/dev/null"],
    ["--initrd", "none"],
    ["--initrd", "default"],
    ["--hvm-boot-order", "acn"],
    ["--hvm-boot-order", "default"],
    ]
  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)


Michael Hanselmann's avatar
Michael Hanselmann committed
189
@qa_utils.DefineHook('instance-list')
Michael Hanselmann's avatar
Michael Hanselmann committed
190
191
192
193
194
195
196
197
198
def TestInstanceList():
  """gnt-instance list"""
  master = qa_config.GetMasterNode()

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


199
200
201
202
203
204
205
206
207
208
@qa_utils.DefineHook('instance-console')
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)


209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
@qa_utils.DefineHook('instance-replace-disks')
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
238
@qa_utils.DefineHook('backup-export')
Michael Hanselmann's avatar
Michael Hanselmann committed
239
240
241
242
243
244
245
246
247
248
249
def TestInstanceExport(instance, node):
  """gnt-backup export"""
  master = qa_config.GetMasterNode()

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

  return qa_utils.ResolveInstanceName(instance)


Michael Hanselmann's avatar
Michael Hanselmann committed
250
@qa_utils.DefineHook('backup-import')
Michael Hanselmann's avatar
Michael Hanselmann committed
251
252
253
254
255
256
257
258
259
260
261
262
263
264
def TestInstanceImport(node, newinst, expnode, name):
  """gnt-backup import"""
  master = qa_config.GetMasterNode()

  cmd = (['gnt-backup', 'import',
          '--disk-template=plain',
          '--no-ip-check',
          '--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
265
266


Michael Hanselmann's avatar
Michael Hanselmann committed
267
@qa_utils.DefineHook('backup-list')
Michael Hanselmann's avatar
Michael Hanselmann committed
268
269
270
271
def TestBackupList(expnode):
  """gnt-backup list"""
  master = qa_config.GetMasterNode()

272
  cmd = ['gnt-backup', 'list', '--node=%s' % expnode['primary']]
Michael Hanselmann's avatar
Michael Hanselmann committed
273
274
  AssertEqual(StartSSH(master['primary'],
                       utils.ShellQuoteArgs(cmd)).wait(), 0)
275
276
277
278
279
280
281
282
283
284
285


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

  instance_full = qa_utils.ResolveInstanceName(instance)
  node_full = qa_utils.ResolveNodeName(node)
  node2_full = qa_utils.ResolveNodeName(node2)

286
  print qa_utils.FormatInfo("Getting physical disk names")
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
  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:
310
311
    raise qa_error.Error("Couldn't find physical disks used on"
                         " %s node" % ["secondary", "master"][int(onmaster)])
312

313
314
  print qa_utils.FormatInfo("Checking whether nodes have ability to stop"
                            " disks")
315
316
317
318
319
320
  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)

321
  print qa_utils.FormatInfo("Getting device paths")
322
323
324
325
326
327
  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)
328
  print devpath
329

330
  print qa_utils.FormatInfo("Getting drbd device paths")
331
332
  cmd = ['gnt-instance', 'info', instance['name']]
  output = qa_utils.GetCommandOutput(master['primary'], sq(cmd))
333
  pattern = (r'\s+-\s+sd[a-z]+,\s+type:\s+drbd8?,\s+.*$'
334
335
             r'\s+primary:\s+(/dev/drbd\d+)\s+')
  drbddevs = re.findall(pattern, output, re.M)
336
  print drbddevs
337
338
339

  halted_disks = []
  try:
340
    print qa_utils.FormatInfo("Deactivating disks")
Michael Hanselmann's avatar
Michael Hanselmann committed
341
342
343
344
345
346
347
    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)

348
349
    print qa_utils.FormatInfo("Write to disks and give some time to notice"
                              " to notice the problem")
350
351
352
353
354
355
356
357
    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)

358
    print qa_utils.FormatInfo("Debugging info")
Michael Hanselmann's avatar
Michael Hanselmann committed
359
360
361
362
    for name in drbddevs:
      cmd = ['drbdsetup', name, 'show']
      AssertEqual(StartSSH(node['primary'], sq(cmd)).wait(), 0)

363
364
365
366
    cmd = ['gnt-instance', 'info', instance['name']]
    AssertEqual(StartSSH(master['primary'], sq(cmd)).wait(), 0)

  finally:
367
    print qa_utils.FormatInfo("Activating disks again")
368
369
370
371
372
373
    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
374
375
376
377
378
379
380
381
382
  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)

383
384
385
386
  # TODO
  #cmd = ['vgs']
  #AssertEqual(StartSSH([node2, node][int(onmaster)]['primary'],
  #                     sq(cmd)).wait(), 0)
Michael Hanselmann's avatar
Michael Hanselmann committed
387

388
389
390
391
392
  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")
393
394
395
  cmd = ['gnt-instance', 'shutdown', instance['name']]
  AssertEqual(StartSSH(master['primary'], sq(cmd)).wait(), 0)

Michael Hanselmann's avatar
Michael Hanselmann committed
396
  cmd = ['gnt-instance', 'startup', instance['name']]
397
398
399
400
401
402
403
404
  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."""
405
406
  print qa_utils.FormatError("Disk failure on primary node cannot be"
                             " tested due to potential crashes.")
407
  # The following can cause crashes, thus it's disabled until fixed
408
  #return _TestInstanceDiskFailure(instance, node, node2, True)
409
410
411
412
413


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