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#!/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 CreateBooster import *
def check_duplicate_entry(args):
"""Check duplicate entries in incoming arguments"""
_tmp = []
for server in args:
if server not in _tmp:
_tmp.append (server)
else:
print "Duplicate arguments detected (%s)" % server
raise ValueError
return
def args2dict(args):
keyvalue = {}
for arg in args:
if int(arg.find(':')) == -1:
continue
first = arg.split(':')[0]
keyvalue[first] = []
for arg in args:
if int(arg.find(':')) == -1:
continue
first = arg.split(':')[0]
if arg.split(':')[1] not in keyvalue[first]:
if arg.split(':')[1][0] != '/':
print "Absolute export path required for %s" % arg
raise ValueError
keyvalue[first].append (arg.split(':')[1])
return keyvalue
def args2array(args):
array = []
for arg in args:
if int(arg.find(':')) == -1:
continue
array.append(arg)
return array
def generate_volume_files ():
num_stripe = 4
num_replica = 2
usage_str = "%prog: -n <VOLUMENAME> -t <TRANSPORT> -p <NUMBER> -a <AUTH> -r <TYPE>"
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", default=6996,
help="<port> number")
group.add_option("-a", "--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("--nfs", action="store_true", dest="need_nfs",
default=False, help="booster nfs reexport")
group.add_option("--cifs", action="store_true", dest="need_cifs",
default=False, help="booster cifs reexport")
parse.add_option_group(group)
# CIFS option list
group = OptionGroup(parse, "CIFS Options")
group.add_option("--username", dest="cifs_username",
default="gluster", help="<cifs_username>")
group.add_option("--guest", action="store_true",
dest="enable_guest", default=False,
help="enable guest access")
parse.add_option_group(group)
# NFS option list
# 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("-c", "--conf-dir", dest="conf_dir",
help="output directory for volume files")
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")
parse.add_option_group(group)
group = OptionGroup(parse, "Extra Options")
group.add_option("--unused", action="store_true",
dest="unused", default=False,
help="enable unused options")
group.add_option("--debug", action="store_true",
dest="debug", default=False,
help="add all debug modules to 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.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
check_duplicate_entry(args)
server_dict = {}
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.raid_type == 1:
if (len(server_array) % 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) % num_stripe) != 0:
print "raid type (%d) and number of volumes (%d) invalid" % (options.raid_type,
len(server_array))
raise ValueError
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)
create_booster = CreateBooster (options, transports)
try:
create_booster.configure_booster ()
except IOError, (errno, strerror):
print "Got %s creating booster configuration" % (strerror)
def main ():
try:
generate_volume_files()
except ValueError:
sys.exit(1)
main()
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