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
|
#!/usr/bin/python
# Copyright (c) 2009-2010 Gluster, Inc. <http://www.gluster.com>
# This file is part of GlusterFS.
# GlusterFS 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 3 of the License,
# or (at your option) any later version.
# GlusterFS 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, see
# <http://www.gnu.org/licenses/>.
import getopt, sys, os, string
from optparse import OptionParser,OptionGroup,make_option
prefix = "@prefix@"
if not (prefix + "/share/glusterfs") in sys.path:
sys.path.append(prefix + "/share/glusterfs")
from CreateVolfile import *
from Common import *
def generate_volume_files ():
usage_str = "%s%s" % ("%prog: -n <VOLUMENAME> -t <TRANSPORT> -p <NUMBER> -a <AUTH> ",
"-r <TYPE> [--num-replica N] [--num-stripe N]")
version_str = "%prog 3.0"
desc_str = "A tool to generate volume files for GlusterFS."
parse = OptionParser(usage=usage_str, version=version_str, description=desc_str)
# Basic option list
group = OptionGroup(parse, "Basic Options")
group.add_option("-n", "--name", dest="volume_name",
help="<volume-name>")
group.add_option("-t", "--transport", dest="transport_type",
default="tcp", help="tcp,ib-verbs default: tcp")
group.add_option("-p", "--port", type="int",
dest="port", help="<port> number")
group.add_option("--auth", dest="auth_param", default="*",
help="comma seperated ip range")
group.add_option("-r", "--raid", type="int", dest="raid_type",
help="0|1")
group.add_option("-c", "--conf-dir", dest="conf_dir",
default=os.getcwd(),
help="output directory for volume files")
group.add_option("--nfs", action="store_true", dest="need_nfs",
default=False, help="enable nfs translator")
parse.add_option_group(group)
# Advanced option list
group = OptionGroup(parse, "Advanced Options")
group.add_option("--ibdev", type="int", dest="ib_dev",
default=1, help="Infiniband device number <N>")
group.add_option("--volume-size-server", dest="size_server",
help="volume size for each server")
group.add_option("--volume-size-client", dest="size_client",
help="volume size for each client")
group.add_option("--safe-mode", action="store_true",
dest="enable_safe_mode", default=False,
help="generate volume files in safe mode")
group.add_option("--num-replica", type="int", dest="num_replica",
help="number of file replica needed")
group.add_option("--num-stripe", type="int", dest="num_stripe",
help="number of stripe count needed")
group.add_option("--portmapper-mode", action="store_true", dest="portmapper",
default=False, help="generate volume files for glusterfs portmapper friendly way")
parse.add_option_group(group)
# Changes for Dynamic Volume Manager
#group = OptionGroup(parse, "Dynamic Volume Options")
#group.add_option("--add-server", dest="add_server_args",
# help="Add server to existing volume")
#group.add_option("--migrate", dest="migrate_server_args",
# help="Migrate servers from existing volumes")
#parse.add_option_group(group)
(options, args) = parse.parse_args()
if options.volume_name is None:
print "Error: volume name is mandatory, please provide volume name"
raise ValueError
if options.need_nfs and options.size_client:
print "Error: Currently quota not supported with native NFS, please use server side instead"
raise ValueError
if options.transport_type:
transports = options.transport_type.split(',')
for transport in transports:
if (transport != "tcp" and transport != "ib-verbs"):
print "Error: --transport: option " + transport + \
" is not valid transport type"
raise ValueError
if options.raid_type:
if (options.raid_type != 1 and options.raid_type != 0):
print "Error: --raid: option " + str(options.raid_type) + " is not valid raid type"
raise ValueError
if options.conf_dir:
if not os.path.isdir(options.conf_dir):
print "Specified directory %s doesn't exist" % options.conf_dir
raise ValueError
server_dict = {}
# Dynamic Volume Manager
#if options.add_server_args:
# add_server_list = (options.add_server_args).strip().split()
# check_duplicate_entry(add_server_list)
# old_server_list = get_old_server_args(list_export_vols(options.conf_dir,
# options.volume_name),
# options.conf_dir)
# for new_server in add_server_list:
# old_server_list.append(new_server)
# server_dict = args2dict(old_server_list)
# server_array = args2array(old_server_list)
# if len (server_dict.keys()) == 0:
# print "Error: no servers provided, please provide atleast one server"
# raise ValueError
#else:
check_duplicate_entry(args)
server_dict = args2dict(args)
server_array = args2array(args)
if len (server_dict.keys()) == 0:
print "Error: no servers provided, please provide atleast one server"
raise ValueError
if options.num_replica is None:
options.num_replica = 2
if options.num_stripe is None:
options.num_stripe = 4
if options.num_replica < 2:
print "--num-replica option (%d) is not valid" % options.num_replica
if options.num_stripe < 2:
print "--num-stripe option (%d) is not valid" % options.num_stripe
if options.raid_type == 1:
if (len(server_array) % options.num_replica) != 0:
print "raid type (%d) and number of volumes (%d) invalid" % (options.raid_type,
len(server_array))
raise ValueError
if options.raid_type == 0:
if (len(server_array) % options.num_stripe) != 0:
print "raid type (%d) and number of volumes (%d) invalid" % (options.raid_type,
len(server_array))
raise ValueError
if options.portmapper is True:
for server in server_dict.keys():
create_exp = CreateVolfile (server_dict, server,
None, transports,
options, None)
try:
create_exp.create_pmap_export_volfile ()
except IOError, (errno, strerror):
print "Got %s creating server volfiles for %s" % (strerror, server)
for transport in transports:
create_mnt = CreateVolfile (server_dict, None,
transport, transports,
options, server_array)
try:
create_mnt.create_pmap_mount_volfile ()
except IOError, (errno, strerror):
print "Got %s creating client volfiles for transport '%s'" % (strerror, transport)
if options.need_nfs:
for transport in transports:
create_mnt = CreateVolfile (server_dict, None,
transport, transports,
options, server_array)
try:
create_mnt.create_pmap_nfs_volfile ()
except IOError, (errno, strerror):
print "Got %s creating nfs volfiles for transport '%s'" % (strerror, transport)
return
for server in server_dict.keys():
create_exp = CreateVolfile (server_dict, server,
None, transports,
options, None)
try:
create_exp.create_export_volfile ()
except IOError, (errno, strerror):
print "Got %s creating server volfiles for %s" % (strerror, server)
for transport in transports:
create_mnt = CreateVolfile (server_dict, None,
transport, transports,
options, server_array)
try:
create_mnt.create_mount_volfile ()
except IOError, (errno, strerror):
print "Got %s creating client volfiles for transport '%s'" % (strerror, transport)
def main ():
try:
generate_volume_files()
except ValueError:
sys.exit(1)
main()
|
