summaryrefslogtreecommitdiffstats
path: root/tests/functional/bvt/test_cvt.py
blob: dea251256161a701f9b96d852e235f4d5ea8961a (plain)
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
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
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
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
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
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
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
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
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
357
358
359
360
361
362
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
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
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
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
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
#  Copyright (C) 2015-2020  Red Hat, Inc. <http://www.redhat.com>
#
#  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
#  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.

""" Build Verification Tests (BVT) : Component Verification Tests (CVT)
        Test Cases in this module tests the basic gluster operations sanity
        while IO is in progress. These tests verifies basic gluster features
        which should not be broken at all.

        Basic Gluster Operations tested:
            - add-brick
            - rebalance
            - set volume options which changes the client graphs
            - enable quota
            - collecting snapshot
            - remove-brick
            - n/w failure followed by heal
            - replace-brick
"""
import time

from glusto.core import Glusto as g
import pytest

from glustolibs.gluster.gluster_base_class import (GlusterBaseClass, runs_on)
from glustolibs.gluster.volume_libs import enable_and_validate_volume_options
from glustolibs.gluster.volume_libs import (
    verify_all_process_of_volume_are_online)
from glustolibs.gluster.volume_libs import (
    log_volume_info_and_status, expand_volume, shrink_volume,
    replace_brick_from_volume, wait_for_volume_process_to_be_online)
from glustolibs.gluster.glusterfile import get_fattr_list
from glustolibs.gluster.rebalance_ops import (rebalance_start,
                                              wait_for_rebalance_to_complete,
                                              rebalance_status)
from glustolibs.gluster.brick_libs import (select_bricks_to_bring_offline,
                                           bring_bricks_offline,
                                           bring_bricks_online,
                                           are_bricks_offline,
                                           get_all_bricks)
from glustolibs.gluster.heal_libs import monitor_heal_completion
from glustolibs.gluster.quota_ops import (quota_enable, quota_disable,
                                          quota_limit_usage,
                                          is_quota_enabled,
                                          quota_fetch_list)
from glustolibs.gluster.snap_ops import (snap_create, get_snap_list,
                                         snap_activate, snap_deactivate)
from glustolibs.misc.misc_libs import upload_scripts
from glustolibs.io.utils import (validate_io_procs,
                                 list_all_files_and_dirs_mounts,
                                 view_snaps_from_mount,
                                 wait_for_io_to_complete)
from glustolibs.gluster.volume_ops import set_volume_options
from glustolibs.gluster.exceptions import ExecutionError


class GlusterBasicFeaturesSanityBaseClass(GlusterBaseClass):
    """ BaseClass for all the gluster basic features sanity tests. """
    @classmethod
    def setUpClass(cls):
        """Upload the necessary scripts to run tests.
        """
        # Calling GlusterBaseClass setUpClass
        cls.get_super_method(cls, 'setUpClass')()

        # Upload io scripts for running IO on mounts
        cls.script_upload_path = ("/usr/share/glustolibs/io/scripts/"
                                  "file_dir_ops.py")
        ret = upload_scripts(cls.clients, cls.script_upload_path)
        if not ret:
            raise ExecutionError("Failed to upload IO scripts to clients %s" %
                                 cls.clients)
        g.log.info("Successfully uploaded IO scripts to clients %s",
                   cls.clients)

        cls.counter = 1

        # Temporary code:
        # Additional checks to gather infomartion from all
        # servers for Bug 1810901 and setting log level to debug.
        ret = set_volume_options(cls.mnode, 'all',
                                 {'cluster.daemon-log-level': 'DEBUG'})
        if not ret:
            g.log.error('Failed to set cluster.daemon-log-level to DEBUG')
        # int: Value of counter is used for dirname-start-num argument for
        # file_dir_ops.py create_deep_dirs_with_files.

        # The --dir-length argument value for file_dir_ops.py
        # create_deep_dirs_with_files is set to 10 (refer to the cmd in setUp
        # method). This means every mount will create
        # 10 top level dirs. For every mountpoint/testcase to create new set of
        # dirs, we are incrementing the counter by --dir-length value i.e 10 in
        # this test suite.

        # If we are changing the --dir-length to new value, ensure the counter
        # is also incremented by same value to create new set of files/dirs.

    def setUp(self):
        """
        - Setup Volume and Mount Volume
        - setUp starts the io from all the mounts.
        - IO creates deep dirs and files.
        """
        # Calling GlusterBaseClass setUp
        self.get_super_method(self, 'setUp')()

        # Setup Volume and Mount Volume
        ret = self.setup_volume_and_mount_volume(mounts=self.mounts)
        if not ret:
            raise ExecutionError("Failed to Setup_Volume and Mount_Volume")

        # Temporary code:
        # Additional checks to gather infomartion from all
        # servers for Bug 1810901 and setting log level to debug.
        for opt in ('diagnostics.brick-log-level',
                    'diagnostics.client-log-level',
                    'diagnostics.brick-sys-log-level',
                    'diagnostics.client-sys-log-level'):
            ret = set_volume_options(self.mnode, self.volname,
                                     {opt: 'DEBUG'})
            if not ret:
                g.log.error('Failed to set volume option %s', opt)

        # Start IO on mounts
        g.log.info("Starting IO on all mounts...")
        self.all_mounts_procs = []
        for mount_obj in self.mounts:
            g.log.info("Starting IO on %s:%s", mount_obj.client_system,
                       mount_obj.mountpoint)
            cmd = ("/usr/bin/env python %s create_deep_dirs_with_files "
                   "--dirname-start-num %d "
                   "--dir-depth 2 "
                   "--dir-length 10 "
                   "--max-num-of-dirs 5 "
                   "--num-of-files 5 %s" % (
                       self.script_upload_path,
                       self.counter, mount_obj.mountpoint))
            proc = g.run_async(mount_obj.client_system, cmd,
                               user=mount_obj.user)
            self.all_mounts_procs.append(proc)
            self.counter += 10
        self.io_validation_complete = False

        # Adding a delay of 15 seconds before test method starts. This
        # is to ensure IO's are in progress and giving some time to fill data
        time.sleep(15)

    def tearDown(self):
        """If test method failed before validating IO, tearDown waits for the
        IO's to complete and checks for the IO exit status

        Unmount Volume and Cleanup Volume
        """
        # Wait for IO to complete if io validation is not executed in the
        # test method
        if not self.io_validation_complete:
            ret = wait_for_io_to_complete(self.all_mounts_procs, self.mounts)
            if not ret:
                raise ExecutionError("IO failed on some of the clients")

            # List all files and dirs created
            ret = list_all_files_and_dirs_mounts(self.mounts)
            if not ret:
                raise ExecutionError("Failed to list all files and dirs")

        # Unmount Volume and Cleanup Volume
        ret = self.unmount_volume_and_cleanup_volume(mounts=self.mounts)
        if not ret:
            raise ExecutionError("Failed to Unmount Volume and Cleanup Volume")

        # Calling GlusterBaseClass tearDown
        self.get_super_method(self, 'tearDown')()


@runs_on([['replicated', 'distributed', 'distributed-replicated',
           'dispersed', 'distributed-dispersed'],
          ['glusterfs', 'nfs', 'cifs']])
class TestGlusterExpandVolumeSanity(GlusterBasicFeaturesSanityBaseClass):
    """Sanity tests for Expanding Volume"""
    @pytest.mark.bvt_cvt
    def test_expanding_volume_when_io_in_progress(self):
        """Test expanding volume (Increase distribution) using existing
        servers bricks when IO is in progress.

        Description:
            - add bricks
            - starts rebalance
            - wait for rebalance to complete
            - validate IO
        """
        # Log Volume Info and Status before expanding the volume.
        ret = log_volume_info_and_status(self.mnode, self.volname)
        self.assertTrue(ret, ("Logging volume info and status failed on "
                              "volume %s", self.volname))
        g.log.info("Successful in logging volume info and status of volume %s",
                   self.volname)

        # Expanding volume by adding bricks to the volume when IO in progress
        ret = expand_volume(self.mnode, self.volname, self.servers,
                            self.all_servers_info)
        self.assertTrue(ret, ("Failed to expand the volume when IO in "
                              "progress on volume %s", self.volname))

        # Wait for volume processes to be online
        ret = wait_for_volume_process_to_be_online(self.mnode, self.volname)
        self.assertTrue(ret, ("Failed to wait for volume %s processes to "
                              "be online", self.volname))

        # Log Volume Info and Status after expanding the volume
        ret = log_volume_info_and_status(self.mnode, self.volname)
        self.assertTrue(ret, ("Logging volume info and status failed on "
                              "volume %s", self.volname))
        g.log.info("Successful in logging volume info and status of volume %s",
                   self.volname)

        # Verify volume's all process are online
        ret = verify_all_process_of_volume_are_online(self.mnode, self.volname)
        self.assertTrue(ret, ("Volume %s : All process are not online",
                              self.volname))

        # Start Rebalance
        ret, _, _ = rebalance_start(self.mnode, self.volname)
        self.assertEqual(ret, 0, ("Failed to start rebalance on the volume "
                                  "%s", self.volname))
        g.log.info("Successfully started rebalance on the volume %s",
                   self.volname)

        # Log Rebalance status
        g.log.info("Log Rebalance status")
        _, _, _ = rebalance_status(self.mnode, self.volname)

        # Wait for rebalance to complete
        ret = wait_for_rebalance_to_complete(self.mnode, self.volname,
                                             timeout=1800)
        self.assertTrue(ret, ("Rebalance is not yet complete on the volume "
                              "%s", self.volname))
        g.log.info("Rebalance is successfully complete on the volume %s",
                   self.volname)

        # Check Rebalance status after rebalance is complete
        ret, _, _ = rebalance_status(self.mnode, self.volname)
        self.assertEqual(ret, 0, ("Failed to get rebalance status for the "
                                  "volume %s", self.volname))
        g.log.info("Successfully got rebalance status of the volume %s",
                   self.volname)

        # Validate IO
        ret = validate_io_procs(self.all_mounts_procs, self.mounts)
        self.io_validation_complete = True
        self.assertTrue(ret, "IO failed on some of the clients")

        # List all files and dirs created
        ret = list_all_files_and_dirs_mounts(self.mounts)
        self.assertTrue(ret, "Failed to list all files and dirs")


@runs_on([['distributed', 'distributed-replicated', 'distributed-dispersed'],
          ['glusterfs', 'nfs', 'cifs']])
class TestGlusterShrinkVolumeSanity(GlusterBasicFeaturesSanityBaseClass):
    """Sanity tests for Shrinking Volume"""
    @pytest.mark.bvt_cvt
    def test_shrinking_volume_when_io_in_progress(self):
        """Test shrinking volume (Decrease distribute count) using existing
        servers bricks when IO is in progress.

        Description:
            - remove brick (start, status, commit)
            - validate IO
        """
        # Log Volume Info and Status before shrinking the volume.
        ret = log_volume_info_and_status(self.mnode, self.volname)
        self.assertTrue(ret, ("Logging volume info and status failed on "
                              "volume %s", self.volname))
        g.log.info("Successful in logging volume info and status of volume %s",
                   self.volname)

        # Temporary code:
        # Additional checks to gather infomartion from all
        # servers for Bug 1810901 and setting log level to debug.
        if self.volume_type == 'distributed-dispersed':
            for brick_path in get_all_bricks(self.mnode, self.volname):
                node, path = brick_path.split(':')
                ret, out, _ = g.run(node, 'find {}/'.format(path))
                g.log.info(out)
                for filedir in out.split('\n'):
                    ret, out, _ = g.run(node, 'ls -l {}'.format(filedir))
                    g.log.info("Return value for ls -l command: %s", ret)
                    g.log.info(out)
                    ret = get_fattr_list(node, filedir, encode_hex=True)
                    g.log.info(ret)

        # Shrinking volume by removing bricks from volume when IO in progress
        ret = shrink_volume(self.mnode, self.volname)

        # Temporary code:
        # Additional checks to gather infomartion from all
        # servers for Bug 1810901.
        if not ret and self.volume_type == 'distributed-dispersed':
            for brick_path in get_all_bricks(self.mnode, self.volname):
                node, path = brick_path.split(':')
                ret, out, _ = g.run(node, 'find {}/'.format(path))
                g.log.info(out)
                for filedir in out.split('\n'):
                    ret, out, _ = g.run(node, 'ls -l {}'.format(filedir))
                    g.log.info("Return value for ls -l command: %s", ret)
                    g.log.info(out)
                    ret = get_fattr_list(node, filedir, encode_hex=True)
                    g.log.info(ret)

        self.assertTrue(ret, ("Failed to shrink the volume when IO in "
                              "progress on volume %s", self.volname))
        g.log.info("Shrinking volume when IO in progress is successful on "
                   "volume %s", self.volname)

        # Wait for volume processes to be online
        ret = wait_for_volume_process_to_be_online(self.mnode, self.volname)
        self.assertTrue(ret, ("Failed to wait for volume %s processes to "
                              "be online", self.volname))

        # Log Volume Info and Status after shrinking the volume
        ret = log_volume_info_and_status(self.mnode, self.volname)
        self.assertTrue(ret, ("Logging volume info and status failed on "
                              "volume %s", self.volname))
        g.log.info("Successful in logging volume info and status of volume %s",
                   self.volname)

        # Verify volume's all process are online
        ret = verify_all_process_of_volume_are_online(self.mnode, self.volname)
        self.assertTrue(ret, ("Volume %s : All process are not online",
                              self.volname))

        # Validate IO
        ret = validate_io_procs(self.all_mounts_procs, self.mounts)
        self.io_validation_complete = True
        self.assertTrue(ret, "IO failed on some of the clients")

        # List all files and dirs created
        ret = list_all_files_and_dirs_mounts(self.mounts)
        self.assertTrue(ret, "Failed to list all files and dirs")


@runs_on([['replicated', 'distributed', 'distributed-replicated',
           'dispersed', 'distributed-dispersed'],
          ['glusterfs', 'nfs', 'cifs']])
class TestGlusterVolumeSetSanity(GlusterBasicFeaturesSanityBaseClass):
    """ Sanity tests for Volume Set operation
    """
    @pytest.mark.bvt_cvt
    def test_volume_set_when_io_in_progress(self):
        """Set Volume options which changes the client graphs while IO is
        in progress.

        Description:
            - set volume option uss, shard to 'enable' and
                validate it is successful
            - validate IO to be successful
        """
        # List of volume options to set
        volume_options_list = ["features.uss", "features.shard"]

        # enable and validate the volume options
        ret = enable_and_validate_volume_options(self.mnode, self.volname,
                                                 volume_options_list,
                                                 time_delay=30)
        self.assertTrue(ret, ("Unable to enable the volume options: %s",
                              volume_options_list))

        # Validate IO
        ret = validate_io_procs(self.all_mounts_procs, self.mounts)
        self.io_validation_complete = True
        self.assertTrue(ret, "IO failed on some of the clients")

        # List all files and dirs created
        ret = list_all_files_and_dirs_mounts(self.mounts)
        self.assertTrue(ret, "Failed to list all files and dirs")


@runs_on([['replicated', 'distributed', 'distributed-replicated',
           'dispersed', 'distributed-dispersed'],
          ['glusterfs', 'nfs', 'cifs']])
class TestQuotaSanity(GlusterBasicFeaturesSanityBaseClass):
    """ Sanity tests for Gluster Quota
    """
    @pytest.mark.bvt_cvt
    def test_quota_enable_disable_enable_when_io_in_progress(self):
        """Enable, Disable and Re-enable Quota on the volume when IO is
            in progress.
        """
        # Enable Quota
        ret, _, _ = quota_enable(self.mnode, self.volname)
        self.assertEqual(ret, 0, ("Failed to enable quota on the volume %s",
                                  self.volname))
        g.log.info("Successfully enabled quota on the volume %s", self.volname)

        # Check if quota is enabled
        ret = is_quota_enabled(self.mnode, self.volname)
        self.assertTrue(ret, ("Quota is not enabled on the volume %s",
                              self.volname))
        g.log.info("Successfully Validated quota is enabled on volume %s",
                   self.volname)

        # Path to set quota limit
        path = "/"

        # Set Quota limit on the root of the volume
        ret, _, _ = quota_limit_usage(self.mnode, self.volname,
                                      path=path, limit="1GB")
        self.assertEqual(ret, 0, ("Failed to set quota limit on path %s of "
                                  " the volume %s", path, self.volname))
        g.log.info("Successfully set the Quota limit on %s of the volume %s",
                   path, self.volname)

        # quota_fetch_list
        quota_list = quota_fetch_list(self.mnode, self.volname, path=path)
        self.assertIsNotNone(quota_list, ("Failed to get the quota list for "
                                          "path %s of the volume %s",
                                          path, self.volname))
        self.assertIn(path, quota_list.keys(),
                      ("%s not part of the ""quota list %s even if "
                       "it is set on the volume %s", path,
                       quota_list, self.volname))
        g.log.info("Successfully listed path %s in the quota list %s of the "
                   "volume %s", path, quota_list, self.volname)

        # Disable quota
        ret, _, _ = quota_disable(self.mnode, self.volname)
        self.assertEqual(ret, 0, ("Failed to disable quota on the volume %s",
                                  self.volname))
        g.log.info("Successfully disabled quota on the volume %s",
                   self.volname)

        # Check if quota is still enabled (expected : Disabled)
        ret = is_quota_enabled(self.mnode, self.volname)
        self.assertFalse(ret, ("Quota is still enabled on the volume %s "
                               "(expected: Disable) ", self.volname))
        g.log.info("Successfully Validated quota is disabled on volume %s",
                   self.volname)

        # Enable Quota
        ret, _, _ = quota_enable(self.mnode, self.volname)
        self.assertEqual(ret, 0, ("Failed to enable quota on the volume %s",
                                  self.volname))
        g.log.info("Successfully enabled quota on the volume %s", self.volname)

        # Check if quota is enabled
        ret = is_quota_enabled(self.mnode, self.volname)
        self.assertTrue(ret, ("Quota is not enabled on the volume %s",
                              self.volname))
        g.log.info("Successfully Validated quota is enabled on volume %s",
                   self.volname)

        # quota_fetch_list
        quota_list = quota_fetch_list(self.mnode, self.volname, path=path)
        self.assertIsNotNone(quota_list, ("Failed to get the quota list for "
                                          "path %s of the volume %s",
                                          path, self.volname))
        self.assertIn(path, quota_list.keys(),
                      ("%s not part of the quota list %s even if "
                       "it is set on the volume %s", path,
                       quota_list, self.volname))
        g.log.info("Successfully listed path %s in the quota list %s of the "
                   "volume %s", path, quota_list, self.volname)

        # Validate IO
        ret = validate_io_procs(self.all_mounts_procs, self.mounts)
        self.io_validation_complete = True
        self.assertTrue(ret, "IO failed on some of the clients")

        # List all files and dirs created
        ret = list_all_files_and_dirs_mounts(self.mounts)
        self.assertTrue(ret, "Failed to list all files and dirs")


@runs_on([['replicated', 'distributed', 'distributed-replicated',
           'dispersed', 'distributed-dispersed'],
          ['glusterfs', 'nfs', 'cifs']])
class TestSnapshotSanity(GlusterBasicFeaturesSanityBaseClass):
    """ Sanity tests for Gluster Snapshots
    """
    @pytest.mark.bvt_cvt
    def test_snapshot_basic_commands_when_io_in_progress(self):
        """Create, List, Activate, Enable USS (User Serviceable Snapshot),
            Viewing Snap of the volume from mount, De-Activate
            when IO is in progress.
        """
        snap_name = "snap_cvt"
        # Create Snapshot
        ret, _, _ = snap_create(self.mnode, self.volname, snap_name)
        self.assertEqual(ret, 0, ("Failed to create snapshot with name %s "
                                  " of the volume %s", snap_name,
                                  self.volname))
        g.log.info("Successfully created snapshot %s of the volume %s",
                   snap_name, self.volname)

        # List Snapshot
        snap_list = get_snap_list(self.mnode)
        self.assertIsNotNone(snap_list, "Unable to get the Snapshot list")
        self.assertIn(snap_name, snap_list,
                      ("snapshot %s not listed in Snapshot list", snap_name))
        g.log.info("Successfully listed snapshot %s in gluster snapshot list",
                   snap_name)

        # Activate the snapshot
        ret, _, _ = snap_activate(self.mnode, snap_name)
        self.assertEqual(ret, 0, ("Failed to activate snapshot with name %s "
                                  " of the volume %s", snap_name,
                                  self.volname))
        g.log.info("Successfully activated snapshot %s of the volume %s",
                   snap_name, self.volname)

        # Enable USS on the volume.
        uss_options = ["features.uss"]
        if self.mount_type == "cifs":
            uss_options.append("features.show-snapshot-directory")
        ret = enable_and_validate_volume_options(self.mnode, self.volname,
                                                 uss_options,
                                                 time_delay=30)
        self.assertTrue(ret, ("Unable to enable uss options %s on volume %s",
                              uss_options, self.volname))
        g.log.info("Successfully enabled uss options %s on the volume: %s",
                   uss_options, self.volname)

        # Viewing snapshot from mount
        ret = view_snaps_from_mount(self.mounts, snap_name)
        self.assertTrue(ret, ("Failed to View snap %s from mounts", snap_name))
        g.log.info("Successfully viewed snap %s from mounts", snap_name)

        # De-Activate the snapshot
        ret, _, _ = snap_deactivate(self.mnode, snap_name)
        self.assertEqual(ret, 0, ("Failed to deactivate snapshot with name %s "
                                  " of the volume %s", snap_name,
                                  self.volname))
        g.log.info("Successfully deactivated snapshot %s of the volume %s",
                   snap_name, self.volname)

        # Viewing snapshot from mount (.snaps shouldn't be listed from mount)
        for mount_obj in self.mounts:
            ret = view_snaps_from_mount(mount_obj, snap_name)
            self.assertFalse(ret, ("Still able to View snap %s from mount "
                                   "%s:%s", snap_name,
                                   mount_obj.client_system,
                                   mount_obj.mountpoint))
            g.log.info("%s not listed under .snaps from mount %s:%s",
                       snap_name, mount_obj.client_system,
                       mount_obj.mountpoint)

        # Validate IO
        ret = validate_io_procs(self.all_mounts_procs, self.mounts)
        self.io_validation_complete = True
        self.assertTrue(ret, "IO failed on some of the clients")

        # List all files and dirs created
        ret = list_all_files_and_dirs_mounts(self.mounts)
        self.assertTrue(ret, "Failed to list all files and dirs")


@runs_on([['replicated', 'distributed-replicated'],
          ['glusterfs', 'nfs', 'cifs']])
class TestGlusterReplaceBrickSanity(GlusterBasicFeaturesSanityBaseClass):
    """Sanity tests for Replacing faulty bricks"""
    @pytest.mark.bvt_cvt
    def test_replace_brick_when_io_in_progress(self):
        """Test replacing brick using existing servers bricks when IO is
            in progress.

        Description:
            - replace_brick
            - wait for heal to complete
            - validate IO
        """
        # Log Volume Info and Status before replacing brick from the volume.
        ret = log_volume_info_and_status(self.mnode, self.volname)
        self.assertTrue(ret, ("Logging volume info and status failed on "
                              "volume %s", self.volname))
        g.log.info("Successful in logging volume info and status of volume %s",
                   self.volname)

        # Replace brick from a sub-volume
        ret = replace_brick_from_volume(self.mnode, self.volname,
                                        self.servers, self.all_servers_info)
        self.assertTrue(ret, "Failed to replace faulty brick from the volume")
        g.log.info("Successfully replaced faulty brick from the volume")

        # Wait for volume processes to be online
        ret = wait_for_volume_process_to_be_online(self.mnode, self.volname)
        self.assertTrue(ret, ("Failed to wait for volume %s processes to "
                              "be online", self.volname))

        # Log Volume Info and Status after replacing the brick
        ret = log_volume_info_and_status(self.mnode, self.volname)
        self.assertTrue(ret, ("Logging volume info and status failed on "
                              "volume %s", self.volname))
        g.log.info("Successful in logging volume info and status of volume %s",
                   self.volname)

        # Verify volume's all process are online
        ret = verify_all_process_of_volume_are_online(self.mnode, self.volname)
        self.assertTrue(ret, ("Volume %s : All process are not online",
                              self.volname))

        # Wait for self-heal to complete
        ret = monitor_heal_completion(self.mnode, self.volname,
                                      timeout_period=1800)
        self.assertTrue(ret, "Self heal didn't complete even after waiting "
                        "for 30 minutes. 30 minutes is too much a time for "
                        "current test workload")

        # Validate IO
        ret = validate_io_procs(self.all_mounts_procs, self.mounts)
        self.io_validation_complete = True
        self.assertTrue(ret, "IO failed on some of the clients")

        # List all files and dirs created
        ret = list_all_files_and_dirs_mounts(self.mounts)
        self.assertTrue(ret, "Failed to list all files and dirs")


# This test is disabled on nfs because of bug 1473668. A patch to apply the
# workaround mentioned on the bug could not make this test green either.
@runs_on([['replicated', 'distributed-replicated', 'dispersed',
           'distributed-dispersed'],
          ['glusterfs', 'cifs']])
class TestGlusterHealSanity(GlusterBasicFeaturesSanityBaseClass):
    """Sanity tests for SelfHeal"""
    @pytest.mark.bvt_cvt
    def test_self_heal_when_io_in_progress(self):
        """Test self-heal is successful when IO is in progress.

        Description:
            - simulate brick down.
            - bring bricks online
            - wait for heal to complete
            - validate IO
        """
        # pylint: disable=too-many-statements
        # Check if volume type is dispersed. If the volume type is
        # dispersed, set the volume option 'disperse.optimistic-change-log'
        # to 'off'
        # Refer to: https://bugzilla.redhat.com/show_bug.cgi?id=1470938
        # pylint: disable=unsupported-membership-test
        if 'dispersed' in self.volume_type and 'nfs' in self.mount_type:
            g.log.info("Set volume option 'disperse.optimistic-change-log' "
                       "to 'off' on a dispersed volume . "
                       "Refer to bug: "
                       "https://bugzilla.redhat.com/show_bug.cgi?id=1470938")
            ret = set_volume_options(self.mnode, self.volname,
                                     {'disperse.optimistic-change-log': 'off'})
            self.assertTrue(ret, ("Failed to set the volume option %s to "
                                  "off on volume %s",
                                  'disperse.optimistic-change-log',
                                  self.volname))
            g.log.info("Successfully set the volume option "
                       "'disperse.optimistic-change-log' to 'off'")

        # Log Volume Info and Status before simulating brick failure
        ret = log_volume_info_and_status(self.mnode, self.volname)
        self.assertTrue(ret, ("Logging volume info and status failed on "
                              "volume %s", self.volname))
        g.log.info("Successful in logging volume info and status of volume %s",
                   self.volname)

        # Select bricks to bring offline
        bricks_to_bring_offline_dict = (select_bricks_to_bring_offline(
            self.mnode, self.volname))
        bricks_to_bring_offline = bricks_to_bring_offline_dict['volume_bricks']

        # Bring bricks offline
        ret = bring_bricks_offline(self.volname, bricks_to_bring_offline)
        self.assertTrue(ret, ("Failed to bring bricks: %s offline",
                              bricks_to_bring_offline))

        # Log Volume Info and Status
        ret = log_volume_info_and_status(self.mnode, self.volname)
        self.assertTrue(ret, ("Logging volume info and status failed on "
                              "volume %s", self.volname))
        g.log.info("Successful in logging volume info and status of volume %s",
                   self.volname)

        # Validate if bricks are offline
        ret = are_bricks_offline(self.mnode, self.volname,
                                 bricks_to_bring_offline)
        self.assertTrue(ret, ("Not all the bricks in list: %s are offline",
                              bricks_to_bring_offline))

        # Add delay before bringing bricks online
        time.sleep(40)

        # Bring bricks online
        ret = bring_bricks_online(self.mnode, self.volname,
                                  bricks_to_bring_offline)
        self.assertTrue(ret, ("Failed to bring bricks: %s online",
                              bricks_to_bring_offline))
        g.log.info("Successfully brought all bricks:%s online",
                   bricks_to_bring_offline)

        # Wait for volume processes to be online
        ret = wait_for_volume_process_to_be_online(self.mnode, self.volname,
                                                   timeout=400)
        self.assertTrue(ret, ("Failed to wait for volume %s processes to "
                              "be online", self.volname))

        # Log Volume Info and Status
        ret = log_volume_info_and_status(self.mnode, self.volname)
        self.assertTrue(ret, ("Logging volume info and status failed on "
                              "volume %s", self.volname))
        g.log.info("Successful in logging volume info and status of volume %s",
                   self.volname)

        # Verify volume's all process are online
        ret = verify_all_process_of_volume_are_online(self.mnode, self.volname)
        self.assertTrue(ret, ("Volume %s : All process are not online",
                              self.volname))
        g.log.info("Volume %s : All process are online", self.volname)

        # Wait for self-heal to complete
        g.log.info("Wait for self-heal to complete")
        ret = monitor_heal_completion(self.mnode, self.volname,
                                      timeout_period=1800)
        self.assertTrue(ret, "Self heal didn't complete even after waiting "
                        "for 30 minutes. 30 minutes is too much a time for "
                        "current test workload")
        g.log.info("self-heal is successful after replace-brick operation")

        # Validate IO
        ret = validate_io_procs(self.all_mounts_procs, self.mounts)
        self.io_validation_complete = True
        self.assertTrue(ret, "IO failed on some of the clients")

        # List all files and dirs created
        ret = list_all_files_and_dirs_mounts(self.mounts)
        self.assertTrue(ret, "Failed to list all files and dirs")