summaryrefslogtreecommitdiffstats
path: root/tests/functional/glusterd/test_enabling_glusterd_debug_mode.py
blob: 7a355f8618d74d0758af17046af42c0169052d96 (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
#  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 glusto.core import Glusto as g
from glustolibs.gluster.gluster_base_class import GlusterBaseClass
from glustolibs.gluster.exceptions import ExecutionError
from glustolibs.gluster.gluster_init import (start_glusterd, stop_glusterd)
from glustolibs.gluster.volume_ops import get_volume_info
from glustolibs.gluster.gluster_init import is_glusterd_running
from glustolibs.gluster.glusterfile import (move_file,
                                            find_and_replace_in_file,
                                            check_if_pattern_in_file)


class TestVolumeOptionSetWithMaxcharacters(GlusterBaseClass):

    def setUp(self):

        GlusterBaseClass.setUp.im_func(self)

        # check whether peers are in connected state
        ret = self.validate_peers_are_connected()
        if not ret:
            raise ExecutionError("Peers are not in connected state")
        g.log.info("Peers are in connected state.")

    def tearDown(self):

        # Stop glusterd
        ret = stop_glusterd(self.mnode)
        if not ret:
            raise ExecutionError("Failed to stop glusterd on %s"
                                 % self.mnode)
        g.log.info("Successfully stopped glusterd.")

        # Reverting log level in /usr/lib/systemd/system/glusterd.service
        # to INFO
        glusterd_file = "/usr/lib/systemd/system/glusterd.service"
        ret = find_and_replace_in_file(self.mnode, 'LOG_LEVEL=DEBUG',
                                       'LOG_LEVEL=INFO', glusterd_file)
        if not ret:
            raise ExecutionError("Changes")
        g.log.info("Changes to glusterd.services reverted.")

        # Archiving the glusterd log file of test case.
        ret = move_file(self.mnode,
                        '/var/log/glusterfs/glusterd.log',
                        '/var/log/glusterfs/EnableDebugMode-glusterd.log')
        if not ret:
            raise ExecutionError("Archiving present log file failed.")
        g.log.info("Archiving present log file successful.")

        # Reverting back to old glusterd log file.
        ret = move_file(self.mnode,
                        '/var/log/glusterfs/old.log',
                        '/var/log/glusterfs/glusterd.log')
        if not ret:
            raise ExecutionError("Reverting glusterd log failed.")
        g.log.info("Reverting of glusterd log successful.")

        # Restart glusterd
        ret = start_glusterd(self.mnode)
        if not ret:
            raise ExecutionError("Failed to start glusterd on %s"
                                 % self.mnode)
        g.log.info("Successfully restarted glusterd.")

        # Checking if glusterd is running on all nodes or not.
        count = 0
        while count < 60:
            ret = is_glusterd_running(self.mnode)
            if not ret:
                break
            sleep(2)
            count += 1
        if ret:
            raise ExecutionError("glusterd is not running on %s"
                                 % self.mnode)
        g.log.info("glusterd running with log level INFO.")

        # Checking if peers are in connected state or not.
        count = 0
        while count < 60:
            ret = self.validate_peers_are_connected()
            if ret:
                break
            sleep(3)
            count += 1
        if not ret:
            raise ExecutionError("Peers are not in connected state.")
        g.log.info("Peers are in connected state.")

        GlusterBaseClass.tearDown.im_func(self)

    def test_enabling_gluster_debug_mode(self):

        # pylint: disable=too-many-statements
        """
        Testcase:
        1. Stop glusterd.
        2. Change log level to DEBUG in
           /usr/local/lib/systemd/system/glusterd.service.
        3. Remove glusterd log
        4. Start glusterd
        5. Issue some gluster commands
        6. Check for debug messages in glusterd log
        """
        # Stop glusterd
        ret = stop_glusterd(self.mnode)
        self.assertTrue(ret, "Failed to stop glusterd on %s"
                        % self.mnode)
        g.log.info("Successfully stopped glusterd.")

        # Change log level in /usr/lib/systemd/system/glusterd.service
        # to DEBUG
        glusterd_file = "/usr/lib/systemd/system/glusterd.service"
        ret = find_and_replace_in_file(self.mnode, 'LOG_LEVEL=INFO',
                                       'LOG_LEVEL=DEBUG', glusterd_file)
        self.assertTrue(ret, "Unable to change Log_LEVEL to DEBUG.")

        # Archive old glusterd.log file.
        ret = move_file(self.mnode,
                        '/var/log/glusterfs/glusterd.log',
                        '/var/log/glusterfs/old.log')
        self.assertTrue(ret, "Renaming the glusterd log is failed")
        g.log.info("Successfully renamed glusterd.log file.")

        # Start glusterd
        ret = start_glusterd(self.mnode)
        self.assertTrue(ret, "Failed to start glusterd on %s"
                        % self.mnode)
        g.log.info('Successfully to started glusterd.')

        # Check if glusterd is runnibg or not.
        count = 0
        while count < 60:
            ret = is_glusterd_running(self.mnode)
            if ret:
                break
            sleep(2)
            count += 1
        self.assertEqual(ret, 0, "glusterd is not running on %s" % self.mnode)
        g.log.info('glusterd is running after changing log_level to debug.')

        # Issue some gluster commands
        count = 0
        while count < 9:
            ret = get_volume_info(self.mnode)
            self.assertIsNotNone(ret, "Failed to get volume info")
            sleep(2)
            count += 1
        g.log.info("Successfully got volume info 9 times.")

        # Check glusterd logs for debug messages
        glusterd_log_file = "/var/log/glusterfs/glusterd.log"
        ret = check_if_pattern_in_file(self.mnode, ' D ',
                                       glusterd_log_file)
        self.assertEqual(ret, 0, "Debug messages are not present in log.")
        g.log.info("Debug messages are present in log.")