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
|
# Copyright (C) 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.
from glusto.core import Glusto as g
from glustolibs.gluster.nfs_ganesha_libs import NfsGaneshaClusterSetupClass
from glustolibs.gluster.gluster_base_class import runs_on
from glustolibs.gluster.exceptions import ExecutionError
from glustolibs.misc.misc_libs import upload_scripts
from glustolibs.io.utils import validate_io_procs, get_mounts_stat
from glustolibs.gluster.volume_libs import (
log_volume_info_and_status, shrink_volume,
wait_for_volume_process_to_be_online)
@runs_on([['distributed', 'distributed-arbiter',
'distributed-replicated', 'distributed-dispersed'],
['nfs']])
class TestGaneshaRemoveBrick(NfsGaneshaClusterSetupClass):
"""
This test case validates remove brick functionality on volumes exported
through nfs-ganesha
"""
@classmethod
def setUpClass(cls):
"""
Setup nfs-ganesha if not exists.
Upload IO scripts to clients
"""
cls.get_super_method(cls, 'setUpClass')()
# Setup nfs-ganesha if not exists.
ret = cls.setup_nfs_ganesha()
if not ret:
raise ExecutionError("Failed to setup nfs-ganesha cluster")
g.log.info("nfs-ganesha cluster is healthy")
# 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)
def setUp(self):
"""
Setup Volume and Mount Volume
"""
ret = self.setup_volume_and_mount_volume(mounts=self.mounts)
if not ret:
raise ExecutionError("Failed to setup and mount volume %s"
% self.volname)
g.log.info("Successful in setup and mount volume %s", self.volname)
def test_nfs_ganesha_remove_brick(self):
"""
Verify remove brick operation while IO is running
Steps:
1. Start IO on mount points
2. Perform remove brick operation
3. Validate IOs
"""
# pylint: disable=too-many-statements
# Start IO on all mount points
all_mounts_procs, count = [], 1
for mount_obj in self.mounts:
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, count,
mount_obj.mountpoint))
proc = g.run_async(mount_obj.client_system, cmd,
user=mount_obj.user)
all_mounts_procs.append(proc)
count += 10
# Get stat of all the files/dirs created.
ret = get_mounts_stat(self.mounts)
self.assertTrue(ret, "Stat failed on some of the clients")
g.log.info("Successfully got stat of all files/dirs created")
# Perform remove brick operation
ret = shrink_volume(self.mnode, self.volname)
self.assertTrue(ret, ("Remove brick operation failed on "
"%s", self.volname))
g.log.info("Remove brick operation 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, ("All volume %s processes failed to come up "
"online", self.volname))
g.log.info("All volume %s processes came up "
"online successfully after remove brick operation",
self.volname)
# Log volume info and status after performing remove 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)
# Validate IO
ret = validate_io_procs(all_mounts_procs, self.mounts)
self.assertTrue(ret, "IO failed on some of the clients")
g.log.info("Successfully validated all io's")
# Get stat of all the files/dirs created.
ret = get_mounts_stat(self.mounts)
self.assertTrue(ret, "Stat failed on some of the clients")
g.log.info("Successfully got stat of all files/dirs created")
def tearDown(self):
"""
Unmount and cleanup volume
"""
# Unmount volume
ret = self.unmount_volume(self.mounts)
if ret:
g.log.info("Successfully unmounted the volume")
else:
g.log.error("Failed to unmount volume")
# Cleanup volume
ret = self.cleanup_volume()
if not ret:
raise ExecutionError("Failed to cleanup volume")
g.log.info("Cleanup volume %s completed successfully", self.volname)
@classmethod
def tearDownClass(cls):
cls.get_super_method(cls, 'tearDownClass')(
delete_nfs_ganesha_cluster=False)
|
