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
|
# 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 random import choice
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.brick_ops import remove_brick
from glustolibs.gluster.rebalance_ops import (
wait_for_remove_brick_to_complete, get_remove_brick_status)
from glustolibs.gluster.volume_libs import form_bricks_list_to_remove_brick
from glustolibs.misc.misc_libs import upload_scripts, kill_process
from glustolibs.io.utils import collect_mounts_arequal
@runs_on([['distributed-replicated', 'distributed-arbiter'], ['glusterfs']])
class TestKillBrickWithRemoveBrick(GlusterBaseClass):
@classmethod
def setUpClass(cls):
# 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)
def setUp(self):
self.get_super_method(self, 'setUp')()
# Changing dist_count to 3
self.volume['voltype']['dist_count'] = 3
# Creating Volume and mounting the volume
ret = self.setup_volume_and_mount_volume(self.mounts)
if not ret:
raise ExecutionError("Volume creation or mount failed: %s"
% self.volname)
def tearDown(self):
# Unmounting and cleaning volume
ret = self.unmount_volume_and_cleanup_volume(self.mounts)
if not ret:
raise ExecutionError("Unable to delete volume %s" % self.volname)
self.get_super_method(self, 'tearDown')()
def test_kill_brick_with_remove_brick(self):
"""
Test case:
1. Create a volume, start it and mount it.
2. Create some data on the volume.
3. Start remove-brick on the volume.
4. When remove-brick is in progress kill brick process of a brick
which is being remove.
5. Remove-brick should complete without any failures.
"""
# Start I/O from clients on the volume
counter = 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,
counter, mount_obj.mountpoint))
ret, _, _ = g.run(mount_obj.client_system, cmd)
self.assertFalse(ret, "Failed to create datat on volume")
counter += 10
# Collect arequal checksum before ops
arequal_checksum_before = collect_mounts_arequal(self.mounts[0])
# Start remove-brick on the volume
brick_list = form_bricks_list_to_remove_brick(self.mnode, self.volname)
self.assertIsNotNone(brick_list, "Brick list is empty")
ret, _, _ = remove_brick(self.mnode, self.volname, brick_list, 'start')
self.assertFalse(ret, "Failed to start remove-brick on volume")
g.log.info("Successfully started remove-brick on volume")
# Check rebalance is in progress
ret = get_remove_brick_status(self.mnode, self.volname, brick_list)
ret = ret['aggregate']['statusStr']
self.assertEqual(ret, "in progress", ("Rebalance is not in "
"'in progress' state, either "
"rebalance is in completed state"
" or failed to get rebalance "
"status"))
# kill brick process of a brick which is being removed
brick = choice(brick_list)
node, _ = brick.split(":")
ret = kill_process(node, process_names="glusterfsd")
self.assertTrue(ret, "Failed to kill brick process of brick %s"
% brick)
# Wait for remove-brick to complete on the volume
ret = wait_for_remove_brick_to_complete(self.mnode, self.volname,
brick_list, timeout=1200)
self.assertTrue(ret, "Remove-brick didn't complete")
g.log.info("Remove brick completed successfully")
# Check for data loss by comparing arequal before and after ops
arequal_checksum_after = collect_mounts_arequal(self.mounts[0])
self.assertEqual(arequal_checksum_before, arequal_checksum_after,
"arequal checksum is NOT MATCHNG")
g.log.info("arequal checksum is SAME")
|
