summaryrefslogtreecommitdiffstats
path: root/tests/functional/glusterd/test_create_vol_with_used_bricks.py
blob: 1be34f734ab511a878d146054d53465e09a101bf (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
#  Copyright (C) 2018  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.

""" Description:
      Create volume using bricks of deleted volume
"""

from glusto.core import Glusto as g
from glustolibs.gluster.exceptions import ExecutionError
from glustolibs.gluster.gluster_base_class import GlusterBaseClass, runs_on
from glustolibs.gluster.brick_ops import add_brick
from glustolibs.gluster.brick_libs import get_all_bricks
from glustolibs.gluster.lib_utils import form_bricks_list
from glustolibs.misc.misc_libs import upload_scripts
from glustolibs.io.utils import validate_io_procs
from glustolibs.gluster.volume_ops import volume_stop, volume_create
from glustolibs.gluster.volume_libs import volume_exists


@runs_on([['distributed-replicated'], ['glusterfs']])
class TestCreateVolWithUsedBricks(GlusterBaseClass):
    @classmethod
    def setUpClass(cls):
        cls.counter = 1
        GlusterBaseClass.setUpClass.im_func(cls)

        # Uploading file_dir script in all client direcotries
        g.log.info("Upload io scripts to clients %s for running IO on "
                   "mounts", cls.clients)
        script_local_path = ("/usr/share/glustolibs/io/scripts/"
                             "file_dir_ops.py")
        cls.script_upload_path = ("/usr/share/glustolibs/io/scripts/"
                                  "file_dir_ops.py")
        ret = upload_scripts(cls.clients, script_local_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 method for every test
        """
        # calling GlusterBaseClass setUp
        GlusterBaseClass.setUp.im_func(self)

        # Creating Volume
        ret = self.setup_volume()
        if not ret:
            raise ExecutionError("Volume creation failed: %s" % self.volname)
        g.log.info("Volme created successfully : %s", self.volname)

    def tearDown(self):
        """
        tearDown for every test
        """
        ret = volume_exists(self.mnode, self.volname)
        if ret:
            # stopping the volume and Cleaning up the volume
            ret = self.cleanup_volume()
            if not ret:
                raise ExecutionError("Failed Cleanup the Volume %s"
                                     % self.volname)

        # Cleaning the deleted volume bricks
        for brick in self.brick_list:
            node, brick_path = brick.split(r':')
            cmd = "rm -rf " + brick_path
            ret, _, _ = g.run(node, cmd)
            if ret:
                raise ExecutionError("Failed to delete the brick "
                                     "dir's of deleted volume")

        # Calling GlusterBaseClass tearDown
        GlusterBaseClass.tearDown.im_func(self)

    def test_create_vol_used_bricks(self):
        '''
        -> Create distributed-replica Volume
        -> Add 6 bricks to the volume
        -> Mount the volume
        -> Perform some I/O's on mount point
        -> unmount the volume
        -> Stop and delete the volume
        -> Create another volume using bricks of deleted volume
        '''

        # Forming brick list
        brick_list = form_bricks_list(self.mnode, self.volname, 6,
                                      self.servers, self.all_servers_info)
        # Adding bricks to the volume
        ret, _, _ = add_brick(self.mnode, self.volname, brick_list)
        self.assertEqual(ret, 0, "Failed to add bricks to the volume %s"
                         % self.volname)
        g.log.info("Bricks added successfully to the volume %s", self.volname)

        # Mounting volume
        ret = self.mount_volume(self.mounts)
        self.assertTrue(ret, "Volume mount failed for %s" % self.volname)
        g.log.info("Volume mounted successfully : %s", self.volname)

        # run IOs
        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 = ("python %s create_deep_dirs_with_files "
                   "--dirname-start-num %d "
                   "--dir-depth 2 "
                   "--dir-length 5 "
                   "--max-num-of-dirs 3 "
                   "--num-of-files 10 %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 = self.counter + 10

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

        # Unmount volume
        ret = self.unmount_volume(self.mounts)
        self.assertTrue(ret, "Failed to unmount the volume %s" % self.volname)
        g.log.info("Volume unmounted successfully %s", self.volname)

        # Getting brick list
        self.brick_list = get_all_bricks(self.mnode, self.volname)
        if not self.brick_list:
            raise ExecutionError("Failed to get the brick list of %s"
                                 % self.volname)

        # Stop volume
        ret, _, _ = volume_stop(self.mnode, self.volname)
        self.assertEqual(ret, 0, "Failed to stop the volume %s"
                         % self.volname)
        g.log.info("Volume %s stopped successfully", self.volname)

        # Delete Volume
        ret, _, _ = g.run(self.mnode, "gluster volume delete %s --mode=script"
                          % self.volname)
        self.assertEqual(ret, 0, "Failed to delete volume %s" % self.volname)
        g.log.info("Volume deleted successfully %s", self.volname)

        # Create another volume by using bricks of deleted volume
        self.volname = "second_volume"
        ret, _, err = volume_create(self.mnode, self.volname, brick_list[0:6],
                                    replica_count=3)
        self.assertNotEqual(ret, 0, "Volume creation should fail with used "
                                    "bricks but volume creation success")
        g.log.info("Failed to create volume with used bricks")

        # Checking failed message of volume creation
        msg = ' '.join(['volume create: second_volume: failed:',
                        brick_list[0].split(':')[1],
                        'is already part of a volume'])
        self.assertIn(msg, err, "Incorrect error message for volume creation "
                                "with used bricks")
        g.log.info("correct error message for volume creation with "
                   "used bricks")