diff options
author | Martin Ebourne <martin@ebourne.me.uk> | 2006-03-04 01:38:13 +0000 |
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committer | Martin Ebourne <martin@ebourne.me.uk> | 2006-03-04 01:38:13 +0000 |
commit | 7292390de5903b96e1f9798fbd8ae8a4ec65b85c (patch) | |
tree | 8f63eb9074793f7fc798082daef1755cf72fa919 /lib/raidfile/raidfile-config.in | |
parent | defac6623afe8b7d765a9477371fbc47da855c19 (diff) |
This is part 2 of a patch from James O'Gorman.
This just renames all of the files that configure now substitutes - no changes to any of the files.
Diffstat (limited to 'lib/raidfile/raidfile-config.in')
-rwxr-xr-x | lib/raidfile/raidfile-config.in | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/lib/raidfile/raidfile-config.in b/lib/raidfile/raidfile-config.in new file mode 100755 index 00000000..f1098adc --- /dev/null +++ b/lib/raidfile/raidfile-config.in @@ -0,0 +1,97 @@ +#!@PERL@ +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"; + |