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
|
# Copyright (C) 2019 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 time import sleep
from random import randint
from glusto.core import Glusto as g
from glustolibs.gluster.gluster_base_class import GlusterBaseClass, runs_on
from glustolibs.gluster.exceptions import ExecutionError
from glustolibs.gluster.volume_libs import (setup_volume, cleanup_volume,
form_bricks_list_to_add_brick)
from glustolibs.gluster.glusterdir import mkdir
from glustolibs.gluster.rebalance_ops import (rebalance_start,
rebalance_stop)
from glustolibs.gluster.peer_ops import (peer_detach,
peer_probe,
is_peer_connected)
from glustolibs.gluster.brick_ops import add_brick
from glustolibs.gluster.mount_ops import mount_volume, umount_volume
from glustolibs.gluster.glusterfile import (get_fattr, file_exists,
get_fattr_list)
@runs_on([['replicated'], ['glusterfs']])
class TestChangeReservcelimit(GlusterBaseClass):
@classmethod
def setUpClass(cls):
GlusterBaseClass.setUpClass.im_func(cls)
# Override Volumes setup
cls.volume['voltype'] = {
'type': 'replicated',
'dist_count': 1,
'replica_count': 3,
'transport': 'tcp'}
def tearDown(self):
# Start rebalance for volume.
g.log.info("Stopping rebalance on the volume")
ret, _, _ = rebalance_stop(self.mnode, self.volname)
if ret:
raise ExecutionError("Failed to stop rebalance "
"on the volume .")
g.log.info("Successfully stopped rebalance on the volume %s",
self.volname)
# Peer probe node which was detached
ret, _, _ = peer_probe(self.mnode, self.servers[4])
if ret:
raise ExecutionError("Failed to probe %s" % self.servers[4])
g.log.info("Peer probe successful %s", self.servers[4])
# Wait till peers are in connected state
count = 0
while count < 60:
ret = is_peer_connected(self.mnode, self.servers)
if ret:
break
sleep(3)
count += 1
# Unmounting and cleaning volume
ret, _, _ = umount_volume(mclient=self.mounts[0].client_system,
mpoint=self.mounts[0].mountpoint)
if ret:
raise ExecutionError("Unable to unmount volume %s" % self.volname)
g.log.info("Volume unmounted successfully %s", self.volname)
ret = cleanup_volume(self.mnode, self.volname)
if not ret:
raise ExecutionError("Unable to delete volume %s" % self.volname)
g.log.info("Volume deleted successfully %s", self.volname)
GlusterBaseClass.tearDown.im_func(self)
def test_detach_node_used_to_mount(self):
# pylint: disable=too-many-statements
"""
Test case:
1.Create a 1X3 volume with only 3 nodes from the cluster.
2.Mount volume on client node using the ip of the fourth node.
3.Write IOs to the volume.
4.Detach node N4 from cluster.
5.Create a new directory on the mount point.
6.Create a few files using the same command used in step 3.
7.Add three more bricks to make the volume
2x3 using add-brick command.
8.Do a gluster volume rebalance on the volume.
9.Create more files from the client on the mount point.
10.Check for files on bricks from both replica sets.
11.Create a new directory from the client on the mount point.
12.Check for directory in both replica sets.
"""
# Create and start a volume
ret = setup_volume(self.mnode, self.all_servers_info, self.volume)
self.assertTrue(ret, "Failed to create and start volume")
g.log.info("Volume %s created successfully", self.volname)
# Mounting the volume.
ret, _, _ = mount_volume(self.volname, mtype=self.mount_type,
mpoint=self.mounts[0].mountpoint,
mserver=self.servers[4],
mclient=self.mounts[0].client_system)
self.assertEqual(ret, 0, ("Volume %s is not mounted") % self.volname)
g.log.info("Volume mounted successfully using %s", self.servers[4])
# Creating 100 files.
command = ('for number in `seq 1 100`;do touch ' +
self.mounts[0].mountpoint + '/file$number; done')
ret, _, _ = g.run(self.mounts[0].client_system, command)
self.assertEqual(ret, 0, "File creation failed.")
g.log.info("Files create on mount point.")
# Detach N4 from the list.
ret, _, _ = peer_detach(self.mnode, self.servers[4])
self.assertEqual(ret, 0, "Failed to detach %s" % self.servers[4])
g.log.info("Peer detach successful %s", self.servers[4])
# Creating a dir.
ret = mkdir(self.mounts[0].client_system,
self.mounts[0].mountpoint+"/dir1",
parents=True)
self.assertTrue(ret, ("Failed to create directory dir1."))
g.log.info("Directory dir1 created successfully.")
# Creating 100 files.
command = ('for number in `seq 101 200`;do touch ' +
self.mounts[0].mountpoint + '/file$number; done')
ret, _, _ = g.run(self.mounts[0].client_system, command)
self.assertEqual(ret, 0, "File creation failed.")
g.log.info("Files create on mount point.")
# Forming brick list
brick_list = form_bricks_list_to_add_brick(self.mnode,
self.volname,
self.servers,
self.all_servers_info)
# Adding bricks
ret, _, _ = add_brick(self.mnode, self.volname, brick_list)
self.assertEqual(ret, 0, "Failed to add brick to the volume %s"
% self.volname)
g.log.info("Brick added successfully to the volume %s", self.volname)
# Start rebalance for volume.
g.log.info("Starting rebalance on the volume")
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)
# Creating 100 files.
command = ('for number in `seq 201 300`;do touch ' +
self.mounts[0].mountpoint + '/file$number; done')
ret, _, _ = g.run(self.mounts[0].client_system, command)
self.assertEqual(ret, 0, "File creation failed.")
g.log.info("Files create on mount point.")
# Check for files on bricks.
attempts = 10
while attempts:
number = str(randint(1, 300))
for brick in brick_list:
brick_server, brick_dir = brick.split(':')
file_name = brick_dir+"/file" + number
if file_exists(brick_server, file_name):
g.log.info("Check xattr"
" on host %s for file %s",
brick_server, file_name)
ret = get_fattr_list(brick_server, file_name)
self.assertTrue(ret, ("Failed to get xattr for %s"
% file_name))
g.log.info("Got xattr for %s successfully",
file_name)
attempts -= 1
# Creating a dir.
ret = mkdir(self.mounts[0].client_system,
self.mounts[0].mountpoint+"/dir2")
if not ret:
attempts = 5
while attempts:
ret = mkdir(self.mounts[0].client_system,
self.mounts[0].mountpoint+"/dir2")
if ret:
break
attempts -= 1
self.assertTrue(ret, ("Failed to create directory dir2."))
g.log.info("Directory dir2 created successfully.")
# Check for directory in both replica sets.
for brick in brick_list:
brick_server, brick_dir = brick.split(':')
folder_name = brick_dir+"/dir2"
if file_exists(brick_server, folder_name):
g.log.info("Check trusted.glusterfs.dht"
" on host %s for directory %s",
brick_server, folder_name)
ret = get_fattr(brick_server, folder_name,
'trusted.glusterfs.dht')
self.assertTrue(ret, ("Failed to get trusted.glusterfs.dht"
" xattr for %s" % folder_name))
g.log.info("Get trusted.glusterfs.dht xattr"
" for %s successfully", folder_name)
|
