diff options
Diffstat (limited to 'lib/raidfile/raidfile-config')
| -rwxr-xr-x | lib/raidfile/raidfile-config | 135 |
1 files changed, 135 insertions, 0 deletions
diff --git a/lib/raidfile/raidfile-config b/lib/raidfile/raidfile-config new file mode 100755 index 00000000..d93bf519 --- /dev/null +++ b/lib/raidfile/raidfile-config @@ -0,0 +1,135 @@ +#!/usr/bin/perl +# distribution boxbackup-0.10 (svn version: 494) +# +# Copyright (c) 2003 - 2006 +# Ben Summers and contributors. All rights reserved. +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions +# are met: +# 1. Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# 2. Redistributions in binary form must reproduce the above copyright +# notice, this list of conditions and the following disclaimer in the +# documentation and/or other materials provided with the distribution. +# 3. All use of this software and associated advertising materials must +# display the following acknowledgment: +# This product includes software developed by Ben Summers. +# 4. The names of the Authors may not be used to endorse or promote +# products derived from this software without specific prior written +# permission. +# +# [Where legally impermissible the Authors do not disclaim liability for +# direct physical injury or death caused solely by defects in the software +# unless it is modified by a third party.] +# +# THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR +# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED +# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE +# DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, +# INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES +# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR +# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) +# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, +# STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN +# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE +# POSSIBILITY OF SUCH DAMAGE. +# +# +# +use strict; + +# should be running as root +if($> != 0) +{ + printf "\nWARNING: this should be run as root\n\n" +} + +# check and get command line parameters +if($#ARGV != 4 && $#ARGV != 2) +{ + print <<__E; + +Setup raidfile config utility. + +Bad command line parameters. +Usage: + raidfile-config config-dir block-size dir0 [dir1 dir2] + +config-dir usually /etc/box +block-size must be a power of two, and usually the block or fragment size of your filing system +dir0, dir1, dir2 are the directories used as the root of the raid file system + +If only one directory is specified, then userland RAID is disabled. Specifying three directories +enables it. + +__E + exit(1); +} + +my ($config_dir,$block_size,@dirs) = @ARGV; + +my $conf = $config_dir . '/raidfile.conf'; + +# check dirs are unique, and exist +my %d; +for(@dirs) +{ + die "$_ is used twice" if exists $d{$_}; + die "$_ is not a directory" unless -d $_; + die "$_ should be an absolute path" unless m/\A\//; + $d{$_} = 1; +} + +# check block size is OK +$block_size = int($block_size); +die "Bad block size" if $block_size <= 0; +my $c = 1; +while(1) +{ + last if $c == $block_size; + die "Block size $block_size is not a power of two" if $c > $block_size; + $c = $c * 2; +} + +# check that it doesn't already exist +if(-f $conf) +{ + die "$conf already exists. Delete and try again" +} + +# create directory +if(!-d $config_dir) +{ + print "Creating $config_dir...\n"; + mkdir $config_dir,0755 or die "Can't create $config_dir"; +} + +# adjust if userland RAID is disabled +if($#dirs == 0) +{ + $dirs[1] = $dirs[0]; + $dirs[2] = $dirs[0]; + print "WARNING: userland RAID is disabled.\n" +} + +# write the file +open CONFIG,">$conf" or die "Can't open $conf for writing"; + +print CONFIG <<__E; + +disc0 +{ + SetNumber = 0 + BlockSize = $block_size + Dir0 = $dirs[0] + Dir1 = $dirs[1] + Dir2 = $dirs[2] +} + +__E + +close CONFIG; + +print "Config file written.\n"; + |