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
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
|
# Copyright (C) 2015-2016 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: Helper library for io modules.
"""
import os
import subprocess
from glusto.core import Glusto as g
def collect_mounts_arequal(mounts):
"""Collects arequal from all the mounts
Args:
mounts (list): List of all GlusterMount objs.
Returns:
tuple(bool, list):
On success returns (True, list of arequal-checksums of each mount)
On failure returns (False, list of arequal-checksums of each mount)
arequal-checksum for a mount would be 'None' when failed to
collect arequal for that mount.
"""
if isinstance(mounts, str):
mounts = [mounts]
# Collect arequal-checksum from all mounts
g.log.info("Start collecting arequal-checksum from all mounts")
all_mounts_procs = []
for mount_obj in mounts:
g.log.info("arequal-checksum of mount %s:%s", mount_obj.client_system,
mount_obj.mountpoint)
cmd = "arequal-checksum -p %s -i .trashcan" % mount_obj.mountpoint
proc = g.run_async(mount_obj.client_system, cmd,
user=mount_obj.user)
all_mounts_procs.append(proc)
all_mounts_arequal_checksums = []
_rc = True
for i, proc in enumerate(all_mounts_procs):
ret, out, _ = proc.async_communicate()
if ret != 0:
g.log.error("Collecting arequal-checksum failed on %s:%s",
mounts[i].client_system, mounts[i].mountpoint)
_rc = False
all_mounts_arequal_checksums.append(None)
else:
g.log.info("Collecting arequal-checksum successful on %s:%s",
mounts[i].client_system, mounts[i].mountpoint)
all_mounts_arequal_checksums.append(out)
return (_rc, all_mounts_arequal_checksums)
def log_mounts_info(mounts):
"""Logs mount information like df, stat, ls
Args:
mounts (list): List of all GlusterMount objs.
"""
if isinstance(mounts, str):
mounts = [mounts]
g.log.info("Start logging mounts information:")
for mount_obj in mounts:
g.log.info("Information of mount %s:%s", mount_obj.client_system,
mount_obj.mountpoint)
# Mount Info
g.log.info("Look For Mountpoint:\n")
cmd = "mount | grep %s" % mount_obj.mountpoint
_, _, _ = g.run(mount_obj.client_system, cmd)
# Disk Space Usage
g.log.info("Disk Space Usage Of Mountpoint:\n")
cmd = "df -h %s" % mount_obj.mountpoint
_, _, _ = g.run(mount_obj.client_system, cmd)
# Long list the mountpoint
g.log.info("List Mountpoint Entries:\n")
cmd = "ls -ld %s" % mount_obj.mountpoint
_, _, _ = g.run(mount_obj.client_system, cmd)
# Stat mountpoint
g.log.info("Mountpoint Status:\n")
cmd = "stat %s" % mount_obj.mountpoint
_, _, _ = g.run(mount_obj.client_system, cmd)
def get_mounts_stat(mounts):
"""Recursively get stat of the mountpoint
Args:
mounts (list): List of all GlusterMount objs.
Returns:
bool: True if recursively getting stat from all mounts is successful.
False otherwise.
"""
if isinstance(mounts, str):
mounts = [mounts]
g.log.info("Start getting stat of the mountpoint recursively")
all_mounts_procs = []
for mount_obj in mounts:
g.log.info("Stat of mount %s:%s", mount_obj.client_system,
mount_obj.mountpoint)
cmd = ("find %s | xargs stat" % (mount_obj.mountpoint))
proc = g.run_async(mount_obj.client_system, cmd,
user=mount_obj.user)
all_mounts_procs.append(proc)
_rc = True
for i, proc in enumerate(all_mounts_procs):
ret, _, _ = proc.async_communicate()
if ret != 0:
g.log.error("Stat of files and dirs under %s:%s Failed",
mounts[i].client_system, mounts[i].mountpoint)
_rc = False
else:
g.log.info("Stat of files and dirs under %s:%s is successful",
mounts[i].client_system, mounts[i].mountpoint)
return _rc
def list_all_files_and_dirs_mounts(mounts):
"""List all Files and Directories from mounts.
Args:
mounts (list): List of all GlusterMount objs.
Returns:
bool: True if listing file and dirs on mounts is successful.
False otherwise.
"""
if isinstance(mounts, str):
mounts = [mounts]
ignore_dirs_list = [".trashcan"]
ignore_dirs = "\|".join(ignore_dirs_list)
g.log.info("Start Listing mounts files and dirs")
all_mounts_procs = []
for mount_obj in mounts:
g.log.info("Listing files and dirs on %s:%s", mount_obj.client_system,
mount_obj.mountpoint)
cmd = ("find %s | grep -ve '%s'" % (mount_obj.mountpoint, ignore_dirs))
proc = g.run_async(mount_obj.client_system, cmd, user=mount_obj.user)
all_mounts_procs.append(proc)
_rc = True
for i, proc in enumerate(all_mounts_procs):
ret, _, _ = proc.async_communicate()
if ret != 0:
g.log.error("Failed to list all files and dirs under %s:%s",
mounts[i].client_system, mounts[i].mountpoint)
_rc = False
else:
g.log.info("Successfully listed all files and dirs under %s:%s",
mounts[i].client_system, mounts[i].mountpoint)
return _rc
def validate_io_procs(all_mounts_procs, mounts):
"""Validates whether IO was successful or not
Args:
all_mounts_procs (list): List of open connection descriptor as
returned by g.run_async method.
mounts (list): List of all GlusterMount objs on which process were
started.
Returns:
bool: True if IO is successful on all mounts. False otherwise.
"""
if isinstance(all_mounts_procs, subprocess.Popen):
all_mounts_procs = [all_mounts_procs]
if isinstance(mounts, str):
mounts = [mounts]
_rc = True
g.log.info("Start validating IO procs")
for i, proc in enumerate(all_mounts_procs):
g.log.info("Validating IO on %s:%s", mounts[i].client_system,
mounts[i].mountpoint)
ret, _, _ = proc.async_communicate()
if ret != 0:
g.log.error("IO Failed on %s:%s", mounts[i].client_system,
mounts[i].mountpoint)
_rc = False
else:
g.log.info("IO Successful on %s:%s", mounts[i].client_system,
mounts[i].mountpoint)
return _rc
def wait_for_io_to_complete(all_mounts_procs, mounts):
"""Waits for IO to complete
Args:
all_mounts_procs (list): List of open connection descriptor as
returned by g.run_async method.
mounts (list): List of all GlusterMount objs on which process were
started.
Returns:
bool: True if IO is complete on all mounts. False otherwise.
"""
if isinstance(all_mounts_procs, subprocess.Popen):
all_mounts_procs = [all_mounts_procs]
if isinstance(mounts, str):
mounts = [mounts]
_rc = True
for i, proc in enumerate(all_mounts_procs):
g.log.info("Waiting for IO to be complete on %s:%s",
mounts[i].client_system, mounts[i].mountpoint)
ret, _, _ = proc.async_communicate()
if ret != 0:
g.log.error("IO Not complete on %s:%s", mounts[i].client_system,
mounts[i].mountpoint)
_rc = False
else:
g.log.info("IO is complete on %s:%s", mounts[i].client_system,
mounts[i].mountpoint)
return _rc
def cleanup_mounts(mounts):
"""Removes all the data from all the mountpoints
Args:
mounts (list): List of all GlusterMount objs.
Returns:
bool: True if cleanup is successful on all mounts. False otherwise.
"""
if isinstance(mounts, str):
mounts = [mounts]
g.log.info("Start cleanup mounts")
all_mounts_procs = []
valid_mounts = []
for mount_obj in mounts:
g.log.info("Cleaning up data from %s:%s", mount_obj.client_system,
mount_obj.mountpoint)
if (not mount_obj.mountpoint or
(os.path.realpath(os.path.abspath(mount_obj.mountpoint))
is '/')):
g.log.error("%s on %s is not a valid mount point",
mount_obj.mountpoint, mount_obj.client_system)
continue
cmd = "rm -rf %s/*" % (mount_obj.mountpoint)
proc = g.run_async(mount_obj.client_system, cmd,
user=mount_obj.user)
all_mounts_procs.append(proc)
valid_mounts.append(mount_obj)
g.log.info("rm -rf on all clients is complete. Validating "
"deletion now...")
# Get cleanup status
_rc_rmdir = True
for i, proc in enumerate(all_mounts_procs):
ret, out, err = proc.async_communicate()
if ret != 0 or out or err:
g.log.error("Deleting files/dirs Failed on %s:%s",
valid_mounts[i].client_system,
valid_mounts[i].mountpoint)
_rc_rmdir = False
else:
g.log.info("Deleting files/dirs is successful on %s:%s",
valid_mounts[i].client_system,
valid_mounts[i].mountpoint)
if _rc_rmdir:
g.log.info("Successfully deleted files/dirs from all mounts")
else:
g.log.error("Deleting files/dirs failed on some of the mounts")
# Check if mount points are empty
ignore_dirs_list = [".trashcan"]
ignore_dirs = "\|".join(ignore_dirs_list)
all_mounts_procs = []
for mount_obj in mounts:
cmd = ("find %s -mindepth 1 | grep -ve '%s'" %
(mount_obj.mountpoint, ignore_dirs))
proc = g.run_async(mount_obj.client_system, cmd,
user=mount_obj.user)
all_mounts_procs.append(proc)
# Get cleanup status
_rc_lookup = True
for i, proc in enumerate(all_mounts_procs):
ret, out, err = proc.async_communicate()
if ret == 0:
g.log.error("Mount %s on %s is still having entries:\n%s",
mounts[i].mountpoint, mounts[i].client_system, out)
_rc_lookup = False
else:
g.log.info("Mount %s on %s is cleaned up\n%s",
mounts[i].mountpoint, mounts[i].client_system, out)
if _rc_lookup:
g.log.info("All the mounts are successfully cleaned up")
else:
g.log.error("Failed to cleanup all mounts")
# List mounts entries
g.log.info("Listing mounts entries:")
list_all_files_and_dirs_mounts(mounts)
return _rc_lookup
|