#!/usr/bin/perl
# IBM(c) 2007 EPL license http://www.eclipse.org/legal/epl-v10.html
#(C)IBM Corp

#

use Getopt::Long;

#-----------------------------------------------------------------------------

=head1   mkrrnodes



 mkrrnodes -C <cu letter> -R <startrange,endrange>     (add) 
 mkrrnodes -d -C <cu letter> -R <startrange,endrange> (delete)

 Build an nodelist entry that looks like this
 "rrb048c","rrb048,qs22,cub,cell,cell-c,compute,tb,all,rack06",,,,


=cut

#-----------------------------------------------------------------------------
# Main

my $rc = 0;

&parse_args;
my $cmd       = "";
my @bladename;
@bladename=("a","b","c");
my $count=0;
my $rackno="01";
foreach my $CU (@::CU)
{
    foreach my $range (@::RANGE)
    {
        foreach my $blade (@bladename)
        {
            $rack="rack";
            $cmd = "rr";
            $cmd .= $CU;
            $cmd .= $range;
            $cmd .= "$blade";
            $cmd .= " ";
            if ($blade eq "a" ) {
              
              $cmd .= "groups=rr$CU$range,ls21,cu$CU,opteron,compute,tb,all";
            } else {
              if ($blade eq "b" ) {
              $cmd .= "groups=rr$CU$range,qs22,cu$CU,cell,cell-b,compute,all,tb";
               } else { # c
              $cmd .= "groups=rr$CU$range,qs22,cu$CU,cell,cell-c,compute,all,tb";
               
              }
            }
            # calculate the rack number ( 12 triblades/rack)
            if ($count < 36) {  # each 36 blades
               $rack .= $rackno;
               $count++;
            } else { # increment to next rack
               $rack="rack";
               $rackno++;
               $rack .= $rackno;
               $count =0;
            }     
              
              $cmd .= ",";
              $cmd .= $rack;
            if ($::DELETE) {
              system("noderm $cmd");
            } else {
               system("nodeadd $cmd");
            }
            
        }
    }
}
exit $rc;

#-----------------------------------------------------------------------------

=head3 parse_args
  
  Parses for  input

=cut

#-----------------------------------------------------------------------------
sub parse_args
{

    Getopt::Long::Configure("posix_default");
    Getopt::Long::Configure("no_gnu_compat");
    Getopt::Long::Configure("bundling");
    if (
        !GetOptions(
            'C|CU=s'    => \$::CU,
            'h|help'    => \$::HELP,
            'd|delete'  => \$::DELETE,
            'R|RANGE=s' => \$::RANGE

        )
      )
    {
        my $usagemsg =
          " mkrrnodes -h \n mkrrnodes [-d] -C [a|b|...,r] -R [startrange,endrange]\n";
        printf $usagemsg;
        exit 1;
    }
    if ($::HELP)
    {
        my $usagemsg =
          " mkrrnodes -h \n mkrrnodes [-d] -C [a|b|,...,r] -R [startrange,endrange]\n";
        printf $usagemsg;
        exit 0;
    }
    @::CU    = split(',', $::CU);
  
    my ($fNum,$eNum) = split(',', $::RANGE);
    my $prefix;
    foreach my $suffix ($fNum .. $eNum)
    {
                my $numOfZeros = (length($fNum) - length($suffix));
                my $prefix     = '0' x $numOfZeros;
                push @::RANGE, "$fRoot$prefix$suffix$fDomain";
    }



}