# IBM(c) 2007 EPL license http://www.eclipse.org/legal/epl-v10.html
package xCAT_plugin::sles;
BEGIN
{
  $::XCATROOT = $ENV{'XCATROOT'} ? $ENV{'XCATROOT'} : '/opt/xcat';
}
use lib "$::XCATROOT/lib/perl";
use Storable qw(dclone);
use Sys::Syslog;
use File::Temp qw/tempdir/;
use xCAT::Table;
use xCAT::Utils;
use xCAT::SvrUtils;
use xCAT::MsgUtils;
use Data::Dumper;
use Getopt::Long;
Getopt::Long::Configure("bundling");
Getopt::Long::Configure("pass_through");
use File::Path;
use File::Copy;

use Socket;

#use strict;
my @cpiopid;

sub handled_commands
{
    return {
            copycd    => "sles",
            mknetboot => "nodetype:os=(sles.*)|(suse.*)",
            mkinstall => "nodetype:os=(sles.*)|(suse.*)",
            mkstatelite => "nodetype:os=(sles.*)"
            };
}

sub mknetboot
{
    my $req      = shift;
    my $callback = shift;
    my $doreq    = shift;

    my $statelite = 0;
    if($req->{command}->[0] =~ 'mkstatelite') {
        $statelite = "true";
    }

    my $tftpdir  = "/tftpboot";
    my $nodes    = @{$req->{node}};
    my @nodes    = @{$req->{node}};
    my $ostab    = xCAT::Table->new('nodetype');
    my $sitetab  = xCAT::Table->new('site');
    my $linuximagetab;
    my $pkgdir;
    my $osimagetab;
    my $installroot;
    $installroot = "/install";

    my $xcatdport = "3001";

    if ($sitetab)
    {
        (my $ref) = $sitetab->getAttribs({key => 'installdir'}, 'value');
        if ($ref and $ref->{value})
        {
            $installroot = $ref->{value};
        }
        ($ref) = $sitetab->getAttribs({key => 'xcatdport'}, 'value');
        if ($ref and $ref->{value}) 
        {
            $xcatdport = $ref->{value};
        }
    }

    my $ntents = $ostab->getNodesAttribs($req->{node}, ['os', 'arch', 'profile', 'provmethod']);
    my %img_hash=();

    my $statetab;
    my $stateHash;
    if ($statelite) {
        $statetab = xCAT::Table->new('statelite', -create=>1);
        $stateHash = $statetab->getNodesAttribs(\@nodes, ['statemnt']);
    }
   
    my %donetftp=();
    foreach my $node (@nodes)
    {
        my $osver;
        my $arch;
        my $profile;
        my $rootimgdir;
	
	    my $ent= $ntents->{$node}->[0];
        if ($ent and $ent->{provmethod} and ($ent->{provmethod} ne 'install') and ($ent->{provmethod} ne 'netboot') and ($ent->{provmethod} ne 'statelite')) {
	        my $imagename=$ent->{provmethod};
	        #print "imagename=$imagename\n";
	        if (!exists($img_hash{$imagename})) {
		        if (!$osimagetab) {
		            $osimagetab=xCAT::Table->new('osimage', -create=>1);
		        }
		        (my $ref) = $osimagetab->getAttribs({imagename => $imagename}, 'osvers', 'osarch', 'profile', 'provmethod');
		        if ($ref) {
		            $img_hash{$imagename}->{osver}=$ref->{'osvers'};
		            $img_hash{$imagename}->{osarch}=$ref->{'osarch'};
		            $img_hash{$imagename}->{profile}=$ref->{'profile'};
		            $img_hash{$imagename}->{provmethod}=$ref->{'provmethod'};
		            if (!$linuximagetab) {
			            $linuximagetab=xCAT::Table->new('linuximage', -create=>1);
		            }
		            (my $ref1) = $linuximagetab->getAttribs({imagename => $imagename}, 'rootimgdir');
		            if (($ref1) && ($ref1->{'rootimgdir'})) {
			            $img_hash{$imagename}->{rootimgdir}=$ref1->{'rootimgdir'};
		            }
		        } else {
		            $callback->(
			            {error     => ["The os image $imagename does not exists on the osimage table for $node"],
			            errorcode => [1]});
		            next;
		        }
	        }
	        my $ph=$img_hash{$imagename};
	        $osver = $ph->{osver};
	        $arch  = $ph->{osarch};
	        $profile = $ph->{profile};
	
	        $rootimgdir=$ph->{rootimgdir};
	        if (!$rootimgdir) {
		        $rootimgdir="$installroot/netboot/$osver/$arch/$profile";
	        }
	    }
	    else {
	        $osver = $ent->{os};
	        $arch    = $ent->{arch};
	        $profile = $ent->{profile};
	        $rootimgdir="$installroot/netboot/$osver/$arch/$profile";
	    }

	    unless ($osver and $arch and $profile)
	    {
	        $callback->(
		    {
		        error     => ["Insufficient nodetype entry or osimage entry for $node"],
		        errorcode => [1]
		    }
		    );
	        next;
	    }

        #print"osvr=$osver, arch=$arch, profile=$profile, imgdir=$rootimgdir\n";
	    my $platform;
        if ($osver =~ /sles.*/)
        {
            $platform = "sles";
            #TODO: should get the $pkgdir value from the linuximage table
            $pkgdir = "$installroot/$osver/$arch";
            if($osver =~ m/sles11/ and -r "$pkgdir/1/suseboot/yaboot") {
                copy("$pkgdir/1/suseboot/yaboot", "/tftpboot/");
            }
        }elsif($osver =~ /suse.*/){
            $platform = "sles";
	    }

        my $suffix  = 'gz';       
        if (-r "$rootimgdir/rootimg.sfs")
        {
            $suffix = 'sfs';
        }
        if (-r "$rootimgdir/rootimg.nfs")
        {
            $suffix = 'nfs';
        }
        #statelite images are not packed
        unless (
                (
                    -r "$rootimgdir/rootimg.gz"
                 or -r "$rootimgdir/rootimg.sfs"
                 or -r "$rootimgdir/rootimg.nfs"
                 or $statelite
                )
                and -r "$rootimgdir/kernel"
                and -r "$rootimgdir/initrd.gz"
          )
        {
            if($statelite) {
                # TODO: maybe the $osver-$arch-statelite-$profile record doesn't exist in osimage, but it the statelite rootimg can exist
                $callback->({error=> ["$node: statelite image $osver-$arch-statelite-$profile doesn't exist; or kernel/initrd.gz doesn't exist"], errorcode => [1]});
            } else {
                $callback->(
                {
                 error => [
                     "No packed image for platform $osver, architecture $arch, and profile $profile, please run packimage (i.e.  packimage -o $osver -p $profile -a $arch"
                 ],
                 errorcode => [1]
                }
                );
            }
            next;
        }

        mkpath("/$tftpdir/xcat/netboot/$osver/$arch/$profile/");

        #TODO: only copy if newer...
        unless ($donetftp{$osver,$arch,$profile}) {
        copy("$rootimgdir/kernel",
             "/$tftpdir/xcat/netboot/$osver/$arch/$profile/");
        copy("$rootimgdir/initrd.gz",
             "/$tftpdir/xcat/netboot/$osver/$arch/$profile/");
            $donetftp{$osver,$arch,$profile} = 1;
        }
        unless (    -r "/$tftpdir/xcat/netboot/$osver/$arch/$profile/kernel"
                and -r "/$tftpdir/xcat/netboot/$osver/$arch/$profile/initrd.gz")
        {
            $callback->(
                {
                 error => [
                     "Copying to /$tftpdir/xcat/netboot/$osver/$arch/$profile failed"
                 ],
                 errorcode => [1]
                }
                );
            next;
        }
        my $restab = xCAT::Table->new('noderes');
        my $bptab  = xCAT::Table->new('bootparams',-create=>1);
        my $hmtab  = xCAT::Table->new('nodehm');
        my $ent    = $restab->getNodeAttribs($node, ['primarynic']);
        my $sent   =
          $hmtab->getNodeAttribs($node,
                                 ['serialport', 'serialspeed', 'serialflow']);

        # determine image server, if tftpserver use it, else use xcatmaster
        # last resort use self
        my $imgsrv;
        my $ient;
        my $xcatmaster;

        $ient = $restab->getNodeAttribs($node, ['xcatmaster']);
        if ($ient and $ient->{xcatmaster})
        {
            $xcatmaster = $ient->{xcatmaster};
        } else {
            $xcatmaster = '!myipfn!'; #allow service nodes to dynamically nominate themselves as a good contact point, this is of limited use in the event that xcat is not the dhcp/tftp server
        }

        $ient = $restab->getNodeAttribs($node, ['tftpserver']);
        if ($ient and $ient->{tftpserver})
        {
            $imgsrv = $ient->{tftpserver};
        }
        else
        {
        #    $ient = $restab->getNodeAttribs($node, ['xcatmaster']);
        #    if ($ient and $ient->{xcatmaster})
        #    {
        #        $imgsrv = $ient->{xcatmaster};
        #    }
        #    else
        #    {
        #        # master removed, does not work for servicenode pools
        #        #$ient = $sitetab->getAttribs({key => master}, value);
        #        #if ($ient and $ient->{value})
        #        #{
        #         #   $imgsrv = $ient->{value};
        #        #}
        #        #else
        #        #{
        #        $imgsrv = '!myipfn!';
        #        #}
        #    }
            $imgsrv = $xcatmaster;
        }
        unless ($imgsrv)
        {
            $callback->(
                {
                 error => [
                     "Unable to determine or reasonably guess the image server for $node"
                 ],
                 errorcode => [1]
                }
                );
            next;
        }
        my $kcmdline;
        if ($suffix eq "nfs")
        {
            $kcmdline =
              "imgurl=nfs://$imgsrv/install/netboot/$osver/$arch/$profile/rootimg ";
        }
        elsif ($statelite) 
        {
            # get entry for nfs root if it exists;
            # have to get nfssvr, nfsdir and xcatmaster from noderes table
            my $nfssrv = $imgsrv;
            my $nfsdir = $rootimgdir;

            if ($restab) {
                my $resHash = $restab->getNodeAttribs($node, ['nfsserver', 'nfsdir']);
                if($resHash and $resHash->{nfsserver}) {
                    $nfssrv = $resHash->{nfsserver};
                }
                if($resHash and $resHash->{nfsdir} ne '') {
                    $nfsdir = $resHash->{nfsdir} . "/netboot/$osver/$arch/$profile";
                }
            }
            $kcmdline = 
                "NFSROOT=$nfssrv:$nfsdir STATEMNT=";
            # add support for subVars in the value of "statemnt"
            my $statemnt="";
            if (exists($stateHash->{$node})) {
                $statemnt = $stateHash->{$node}->[0]->{statemnt};
                if (grep /\$/, $statemnt) {
                    my ($server, $dir) = split(/:/, $statemnt);
                    
                    #if server is blank, then its the directory
                    unless($dir) {
                        $dir = $server;
                        $server = '';
                    }
                    if(grep /\$|#CMD/, $dir) {
                        $dir = subVars($dir, $node, 'dir', $callback);
                        $dir = ~ s/\/\//\//g;
                    }
                    if($server) {
                        $server = subVars($server, $node, 'server', $callback);
                    }
                    $statemnt = $server . ":" . $dir;
                }
            }
            $kcmdline .= $statemnt . " ";
            # get "xcatmaster" value from the "noderes" table
            
            $kcmdline .=
                "XCAT=$xcatmaster:$xcatdport ";

            #BEGIN service node 
            my $isSV = xCAT::Utils->isServiceNode();
            my $res = xCAT::Utils->runcmd("hostname", 0);
            my $sip = inet_ntoa(inet_aton($res));  # this is the IP of service node
            if($isSV and (($xcatmaster eq $sip) or ($xcatmaster eq $res))) {
                # if the NFS directory in litetree is on the service node, 
                # and it is not exported, then it will be mounted automatically 
                setupNFSTree($node, $sip, $callback);
                # then, export the statemnt directory if it is on the service node
                if($statemnt) {
                    setupStatemnt($sip, $statemnt, $callback);
                }
            }
            #END sevice node 
        }
        else
        {
            $kcmdline =
              "imgurl=http://$imgsrv/install/netboot/$osver/$arch/$profile/rootimg.$suffix ";
        }
        if (defined $sent->{serialport})
        {

            #my $sent = $hmtab->getNodeAttribs($node,['serialspeed','serialflow']);
            unless ($sent->{serialspeed})
            {
                $callback->(
                    {
                     error => [
                         "serialport defined, but no serialspeed for $node in nodehm table"
                     ],
                     errorcode => [1]
                    }
                    );
                next;
            }
            $kcmdline .=
              "console=tty0 console=ttyS" . $sent->{serialport} . "," . $sent->{serialspeed};
            if ($sent->{serialflow} =~ /(hard|tcs|ctsrts)/)
            {
                $kcmdline .= "n8r";
            }
        }
        $bptab->setNodeAttribs(
                      $node,
                      {
                       kernel => "xcat/netboot/$osver/$arch/$profile/kernel",
                       initrd => "xcat/netboot/$osver/$arch/$profile/initrd.gz",
                       kcmdline => $kcmdline
                      }
                      );
    }
}

sub process_request
{
    my $request  = shift;
    my $callback = shift;
    my $doreq    = shift;
    my $distname = undef;
    my $arch     = undef;
    my $path     = undef;
    if ($request->{command}->[0] eq 'copycd')
    {
        return copycd($request, $callback, $doreq);
    }
    elsif ($request->{command}->[0] eq 'mkinstall')
    {
        return mkinstall($request, $callback, $doreq);
    }
    elsif ($request->{command}->[0] eq 'mknetboot' or
    $request->{command}->[0] eq 'mkstatelite')
    {
        return mknetboot($request, $callback, $doreq);
    }
}

sub mkinstall
{
    my $request  = shift;
    my $callback = shift;
    my $doreq    = shift;
    my @nodes    = @{$request->{node}};
    my $node;
    my $ostab = xCAT::Table->new('nodetype');
    my $sitetab  = xCAT::Table->new('site');
    my $linuximagetab;
    my $osimagetab;

    my $ntents = $ostab->getNodesAttribs($request->{node}, ['os', 'arch', 'profile', 'provmethod']);
    my %img_hash=();
    my $installroot;
    $installroot = "/install";

    if ($sitetab)
    {
        (my $ref) = $sitetab->getAttribs({key => 'installdir'}, 'value');
        if ($ref and $ref->{value})
        {
            $installroot = $ref->{value};
        }
    }

    my %doneimgs;
    require xCAT::Template; #only used here, load so memory can be COWed
    foreach $node (@nodes)
    {
        my $os;
        my $arch;
        my $profile;
        my $tmplfile;
        my $pkgdir;
        my $osinst;
        my $ent = $ntents->{$node}->[0];

        if ($ent and $ent->{provmethod} and ($ent->{provmethod} ne 'install') and ($ent->{provmethod} ne 'netboot') and ($ent->{provmethod} ne 'statelite')) {
	    my $imagename=$ent->{provmethod};
	    #print "imagename=$imagename\n";
	    if (!exists($img_hash{$imagename})) {
		if (!$osimagetab) {
		    $osimagetab=xCAT::Table->new('osimage', -create=>1);
		}
		(my $ref) = $osimagetab->getAttribs({imagename => $imagename}, 'osvers', 'osarch', 'profile', 'provmethod');
		if ($ref) {
		    $img_hash{$imagename}->{osver}=$ref->{'osvers'};
		    $img_hash{$imagename}->{osarch}=$ref->{'osarch'};
		    $img_hash{$imagename}->{profile}=$ref->{'profile'};
		    $img_hash{$imagename}->{provmethod}=$ref->{'provmethod'};
		    if (!$linuximagetab) {
			$linuximagetab=xCAT::Table->new('linuximage', -create=>1);
		    }
		    (my $ref1) = $linuximagetab->getAttribs({imagename => $imagename}, 'template', 'pkgdir');
		    if ($ref1) {
			if ($ref1->{'template'}) {
			    $img_hash{$imagename}->{template}=$ref1->{'template'};
			}
			if ($ref1->{'pkgdir'}) {
			    $img_hash{$imagename}->{pkgdir}=$ref1->{'pkgdir'};
			}
		    }
		} else {
		    $callback->(
			{error     => ["The os image $imagename does not exists on the osimage table for $node"],
			 errorcode => [1]});
		    next;
		}
	    }
	    my $ph=$img_hash{$imagename};
	    $os = $ph->{osver};
	    $arch  = $ph->{osarch};
	    $profile = $ph->{profile};
	
	    $tmplfile=$ph->{template};
            $pkgdir=$ph->{pkgdir};
	    if (!$pkgdir) {
		$pkgdir="$installroot/$os/$arch";
	    }
	}
	else {
	    $os = $ent->{os};
	    $arch    = $ent->{arch};
	    $profile = $ent->{profile};
	    my $plat = "";
	    if($os =~/sles.*/){
		$plat = "sles";
	    }elsif($os =~/suse.*/){
		$plat = "suse";
	    }else{
		$plat = "foobar";
		print "You should never get here!  Programmer error!";
		return;
	    }
	    $tmplfile=xCAT::SvrUtils::get_tmpl_file_name("$installroot/custom/install/$plat", $profile, $os, $arch);
	    if (! $tmplfile) { $tmplfile=xCAT::SvrUtils::get_tmpl_file_name("$::XCATROOT/share/xcat/install/$plat", $profile, $os, $arch); }
	    $pkgdir="$installroot/$os/$arch";
	}
	

	unless ($os and $arch and $profile)
	{
	    $callback->(
		{
		    error     => ["No profile defined in nodetype or osimage table for $node"],
		    errorcode => [1]
		}
		);
	    next;
	}

        
	unless ( -r "$tmplfile")     
        {
            $callback->(
                      {
                       error =>
                         ["No AutoYaST template exists for " . $ent->{profile}],
                       errorcode => [1]
                      }
                      );
            next;
        }

        #Call the Template class to do substitution to produce a kickstart file in the autoinst dir
        my $tmperr;
        if (-r "$tmplfile")
        {
            $tmperr =
              xCAT::Template->subvars(
                         $tmplfile,
                         "$installroot/autoinst/$node",
                         $node
                         );
        }

        if ($tmperr)
        {
            $callback->(
                        {
                         node => [
                                  {
                                   name      => [$node],
                                   error     => [$tmperr],
                                   errorcode => [1]
                                  }
                         ]
                        }
                        );
            next;
        }
	
		# create the node-specific post script DEPRECATED, don't do
		#mkpath "/install/postscripts/";
		#xCAT::Postage->writescript($node, "/install/postscripts/".$node, "install", $callback);

        if (
            (
             $arch =~ /x86_64/
             and -r "$pkgdir/1/boot/$arch/loader/linux"
             and -r "$pkgdir/1/boot/$arch/loader/initrd"
            )
            or
            (
             $arch =~ /x86$/
             and -r "$pkgdir/1/boot/i386/loader/linux"
             and -r "$pkgdir/1/boot/i386/loader/initrd"
            )
            or ($arch =~ /ppc/ and -r "$pkgdir/1/suseboot/inst64")
          )
        {

            #TODO: driver slipstream, targetted for network.
            unless ($doneimgs{"$os|$arch"})
            {
                mkpath("/tftpboot/xcat/$os/$arch");
                if ($arch =~ /x86_64/)
                {
                    copy("$pkgdir/1/boot/$arch/loader/linux",
                         "/tftpboot/xcat/$os/$arch/");
                    copy("$pkgdir/1/boot/$arch/loader/initrd",
                         "/tftpboot/xcat/$os/$arch/");
                } elsif ($arch =~ /x86/) {
                    copy("$pkgdir/1/boot/i386/loader/linux",
                         "/tftpboot/xcat/$os/$arch/");
                    copy("$pkgdir/1/boot/i386/loader/initrd",
                         "/tftpboot/xcat/$os/$arch/");
                }
                elsif ($arch =~ /ppc/)
                {
                    copy("$pkgdir/1/suseboot/inst64",
                         "/tftpboot/xcat/$os/$arch");
                    #special case for sles 11 and 11.x 
                    if ( $os =~ m/sles11/ and -r "$pkgdir/1/suseboot/yaboot")
                    {
                        copy("$pkgdir/1/suseboot/yaboot", "/tftpboot/");
                    }
                }
                $doneimgs{"$os|$arch"} = 1;
            }

            #We have a shot...
            my $restab = xCAT::Table->new('noderes');
            my $bptab = xCAT::Table->new('bootparams',-create=>1);
            my $hmtab  = xCAT::Table->new('nodehm');
            my $ent    =
              $restab->getNodeAttribs(
                                      $node,
                                      [
                                       'nfsserver', 
                                       'primarynic', 'installnic'
                                      ]
                                      );
            my $sent =
              $hmtab->getNodeAttribs($node, ['serialport', 'serialspeed', 'serialflow']);
            unless ($ent and $ent->{nfsserver})
            {
                $callback->(
                           {
                            error => ["No noderes.nfsserver for $node defined"],
                            errorcode => [1]
                           }
                           );
                next;
            }
            my $kcmdline =
                "autoyast=http://"
              . $ent->{nfsserver}
              . "$installroot/autoinst/"
              . $node
              . " install=http://"
              . $ent->{nfsserver}
              . "$pkgdir/1";

            my $mgtref = $hmtab->getNodeAttribs($node, ['mgt']);
            #special case for system P machines, which is mgted by hmc or ivm
            #mac address is used to identify the netdevice
            if( ($mgtref->{mgt} eq "hmc" || $mgtref->{mgt} eq "ivm") && $arch =~ /ppc/) 
            {
                my $mactab = xCAT::Table->new("mac");
                my $macref = $mactab->getNodeAttribs($node, ['mac']);

                if (defined $macref->{mac}) 
                {
                    $kcmdline .= " netdevice=" . $macref->{mac};
                }
                else 
                {
                    $callback->(
                        {
                            error => ["No mac.mac for $node defined"],
                            errorcode => [1]
                        }
                    );
                }
            } 
            else 
            {
                my $netdev = "";
                if ($ent->{installnic})
                {
                    if ($ent->{installnic} eq "mac")
                    {
                        my $mactab = xCAT::Table->new("mac");
                        my $macref = $mactab->getNodeAttribs($node, ['mac']);
                        $netdev = $macref->{mac};
                     }
                    else
                    {
                        $netdev = $ent->{installnic};
                    }
                }
                elsif ($ent->{primarynic})
                {
                    if ($ent->{primarynic} eq "mac")
                    {
                        my $mactab = xCAT::Table->new("mac");
                        my $macref = $mactab->getNodeAttribs($node, ['mac']);
                        $netdev = $macref->{mac};
                    }
                    else
                    {
                        $netdev = $ent->{primarynic};
                    }
                }
                else
                {
                    $netdev = "eth0";
                }
                if ($netdev eq "") #why it is blank, no mac defined?
                {
                    $callback->(
                        {
                            error => ["No mac.mac for $node defined"],
                            errorcode => [1]
                        }
                    );
                }
                $kcmdline .= " netdevice=" . $netdev;
            }

            #TODO: driver disk handling should in SLES case be a mod of the install source, nothing to see here
            if (defined $sent->{serialport})
            {
                unless ($sent->{serialspeed})
                {
                    $callback->(
                        {
                         error => [
                             "serialport defined, but no serialspeed for $node in nodehm table"
                         ],
                         errorcode => [1]
                        }
                        );
                    next;
                }
                $kcmdline .=
                    " console=tty0 console=ttyS"
                  . $sent->{serialport} . ","
                  . $sent->{serialspeed};
                if ($sent and ($sent->{serialflow} =~ /(ctsrts|cts|hard)/))
                {
                    $kcmdline .= "n8r";
                }
            }
            # for pSLES installation, the dhcp request may timeout
            # due to spanning tree settings or multiple network adapters.
            # use dhcptimeout=150 to avoid dhcp timeout
            if ($arch =~ /ppc/)
            {
                $kcmdline .= " dhcptimeout=150";
            }
            if ($arch =~ /x86/)
            {
                $bptab->setNodeAttribs(
                                        $node,
                                        {
                                         kernel   => "xcat/$os/$arch/linux",
                                         initrd   => "xcat/$os/$arch/initrd",
                                         kcmdline => $kcmdline
                                        }
                                        );
            }
            elsif ($arch =~ /ppc/)
            {
                $bptab->setNodeAttribs(
                                        $node,
                                        {
                                         kernel   => "xcat/$os/$arch/inst64",
                                         initrd   => "",
                                         kcmdline => $kcmdline
                                        }
                                        );
            }

        }
        else
        {
            $callback->(
                {
                 error => [
                     "Failed to detect copycd configured install source at /install/$os/$arch"
                 ],
                 errorcode => [1]
                }
                );
        }
    }
    #my $rc = xCAT::Utils->create_postscripts_tar();
    #if ($rc != 0)
    #{
    #    xCAT::MsgUtils->message("S", "Error creating postscripts tar file.");
    #}
}

sub copycd
{
    my $request  = shift;
    my $callback = shift;
    my $doreq    = shift;
    my $distname = "";
    my $detdistname = "";
    my $installroot;
    my $arch;
    my $path;
    $installroot = "/install";
    my $sitetab = xCAT::Table->new('site');
    if ($sitetab)
    {
        (my $ref) = $sitetab->getAttribs({key => 'installdir'}, 'value');
        print Dumper($ref);
        if ($ref and $ref->{value})
        {
            $installroot = $ref->{value};
        }
    }

    @ARGV = @{$request->{arg}};
    GetOptions(
               'n=s' => \$distname,
               'a=s' => \$arch,
               'p=s' => \$path
               );
    unless ($path)
    {

        #this plugin needs $path...
        return;
    }
    if ($distname and $distname !~ /^sles|^suse/)
    {

        #If they say to call it something other than SLES or SUSE, give up?
        return;
    }
    unless (-r $path . "/content")
    {
        return;
    }
    my $dinfo;
    open($dinfo, $path . "/content");
    my $darch;
    while (<$dinfo>)
    {
        if (m/^DEFAULTBASE\s+(\S+)/)
        {
            $darch = $1;
            chomp($darch);
            last;
        }
        if (not $darch and m/^BASEARCHS\s+(\S+)/) {
            $darch = $1;
        }
    }
    close($dinfo);
    unless ($darch)
    {
        return;
    }
    my $dirh;
    opendir($dirh, $path);
    my $discnumber;
    my $totaldiscnumber;
    while (my $pname = readdir($dirh))
    {
        if ($pname =~ /media.(\d+)/)
        {
            $discnumber = $1;
            chomp($discnumber);
            my $mfile;
            open($mfile, $path . "/" . $pname . "/media");
            <$mfile>;
            <$mfile>;
            $totaldiscnumber = <$mfile>;
            chomp($totaldiscnumber);
            close($mfile);
            open($mfile, $path . "/" . $pname . "/products");
            my $prod = <$mfile>;
            close($mfile);

            if ($prod =~ m/SUSE-Linux-Enterprise-Server/)
            {
                my @parts    = split /\s+/, $prod;
                my @subparts = split /-/,   $parts[2];
                $detdistname = "sles" . $subparts[0];
                unless ($distname) { $distname = "sles" . $subparts[0] };
		# check media.1/products for text.  
		# the cselx is a special GE built version.
		# openSUSE is the normal one.
            }elsif($prod =~ m/cselx 1.0-0|openSUSE 11.1-0/){
			$distname = "suse11";
                	$detdistname = "suse11";
		}
	    
        }
    }
    unless ($distname and $discnumber)
    {
        return;
    }
    if ($darch and $darch =~ /i.86/)
    {
        $darch = "x86";
    }
    elsif ($darch and $darch =~ /ppc/)
    {
        $darch = "ppc64";
    }
    if ($darch)
    {
        unless ($arch)
        {
            $arch = $darch;
        }
        if ($arch and $arch ne $darch)
        {
            $callback->(
                     {
                      error =>
                        ["Requested SLES architecture $arch, but media is $darch"],
                        errorcode => [1]
                     }
                     );
            return;
        }
    }
    %{$request} = ();    #clear request we've got it.

    $callback->(
         {data => "Copying media to $installroot/$distname/$arch/$discnumber"});
    my $omask = umask 0022;
    mkpath("$installroot/$distname/$arch/$discnumber");
    umask $omask;
    my $rc;
    $SIG{INT} =  $SIG{TERM} = sub { 
       foreach(@cpiopid){
          kill 2, $_; 
       }
       if ($::CDMOUNTPATH) {
            chdir("/");
            system("umount $::CDMOUNTPATH");
       }
    };
    my $kid;
    chdir $path;
    my $numFiles = `find . -print | wc -l`;
    my $child = open($kid,"|-");
    unless (defined $child) {
      $callback->({error=>"Media copy operation fork failure"});
      return;
    }
    if ($child) {
       push @cpiopid,$child;
       my @finddata = `find .`;
       for (@finddata) {
          print $kid $_;
       }
       close($kid);
       $rc = $?;
    } else {
        my $c = "nice -n 20 cpio -vdump $installroot/$distname/$arch/$discnumber";
        my $k2 = open(PIPE, "$c 2>&1 |") ||
           $callback->({error => "Media copy operation fork failure"});
	push @cpiopid, $k2;
        my $copied = 0;
        my ($percent, $fout);
        while(<PIPE>){
          next if /^cpio:/;
          $percent = $copied / $numFiles;
          $fout = sprintf "%0.2f%%", $percent * 100;
          $callback->({sinfo => "$fout"});
          ++$copied;
        }
        exit;
    }
    #  system(
    #    "cd $path; find . | nice -n 20 cpio -dump $installroot/$distname/$arch/$discnumber/"
    #    );
    chmod 0755, "$installroot/$distname/$arch";
    chmod 0755, "$installroot/$distname/$arch/$discnumber";
    if ($detdistname eq "sles10.2" and $discnumber eq "1") { #Go and correct inst_startup.ycp in the install root
        my $tmnt = tempdir("xcat-sles.$$.XXXXXX",TMPDIR=>1);
        my $tdir = tempdir("xcat-slesd.$$.XXXXXX",TMPDIR=>1);
        my $startupfile;
        my $ycparch = $arch;
        if ($arch eq "x86") { 
            $ycparch = "i386";
        }
        system("mount -o loop $installroot/$distname/$arch/$discnumber/boot/$ycparch/root $tmnt");
        system("cd $tmnt;find . |cpio -dump $tdir");
        system("umount $tmnt;rm $installroot/$distname/$arch/$discnumber/boot/$ycparch/root");
        open($startupfile,"<","$tdir/usr/share/YaST2/clients/inst_startup.ycp");
        my @ycpcontents = <$startupfile>;
        my @newcontents;
        my $writecont=1;
        close($startupfile);
        foreach (@ycpcontents) {
            if (/No hard disks/) {
                $writecont=0;
            } elsif (/\}/) {
                $writecont=1;
            }
            s/cancel/next/;
            if ($writecont) {
                push @newcontents, $_;
            } 
        }
        open($startupfile,">","$tdir/usr/share/YaST2/clients/inst_startup.ycp");
        foreach (@newcontents) {
            print $startupfile $_;
        }
        close($startupfile);
        system("cd $tdir;mkfs.cramfs . $installroot/$distname/$arch/$discnumber/boot/$ycparch/root");
        system("rm -rf $tmnt $tdir");
    }

    if ($rc != 0)
    {
        $callback->({error => "Media copy operation failed, status $rc"});
    }
    else
    {
        $callback->({data => "Media copy operation successful"});
	my @ret=xCAT::SvrUtils->update_tables_with_templates($distname, $arch);
        if ($ret[0] != 0) {
	    $callback->({data => "Error when updating the osimage tables: " . $ret[1]});
	}

    }
}

#sub get_tmpl_file_name {
#  my $base=shift;
#  my $profile=shift;
#  my $os=shift;
#  my $arch=shift;
#  if (-r   "$base/$profile.$os.$arch.tmpl") {
#    return "$base/$profile.$os.$arch.tmpl";
#  }
#  elsif (-r "$base/$profile.$os.tmpl") {
#    return  "$base/$profile.$os.tmpl";
#  }
#  elsif (-r "$base/$profile.$arch.tmpl") {
#    return  "$base/$profile.$arch.tmpl";
#  }
#  elsif (-r "$base/$profile.tmpl") {
#    return  "$base/$profile.tmpl";
#  }
#
#  return "";
#}

# sub subVars
# copied from litetreee.pm
# TODO: need to move the function to xCAT::Utils? 

# some directories will have xCAT database values, like:
# $nodetype.os.  If that is the case we need to open up
# the database and look at them.  We need to make sure
# we do this sparingly...  We don't like tons of hits
# to the database.

sub subVars()
{
    my $dir = shift;
    my $node = shift;
    my $type = shift;
    my $callback = shift;

    # parse all the dollar signs...
    # if its a directory then it has a / in it, so you have to parse it.
    # if its a server, it won't have one so don't worry about it.
    my @arr = split("/", $dir);
    my $fdir = "";
    foreach my $p (@arr){
        # have to make this geric so $ can be in the midle of the name: asdf$foobar.sitadsf
        if($p =~ /\$/){
            my $pre;
            my $suf;
            my @fParts;
            if($p =~ /([^\$]*)([^# ]*)(.*)/){
                $pre= $1;
                $p = $2;
                $suf = $3;
            }
            # have to sub here:
            # get rid of the $ sign.
            foreach my $part (split('\$',$p)){
                if($part eq ''){ next; }
                #$callback->({error=>["part is $part"],errorcode=>[1]});
                # check if p is just the node name:
                if($part eq 'node'){
                    # it is so, just return the node.
                    #$fdir .= "/$pre$node$suf";
                    push @fParts, $node;
                }else{
                    # ask the xCAT DB what the attribute is.
                    my ($table, $col) = split('\.', $part);
                    unless($col){ $col = 'UNDEFINED' };
                    my $tab = xCAT::Table->new($table);
                    unless($tab){
                        $callback->({error=>["$table does not exist"],errorcode=>[1]});
                        return;
                    }
                    my $ent;
                    my $val;
                    if($table eq 'site'){
                        $val = $tab->getAttribs( { key => "$col" }, 'value' );
                        $val = $val->{'value'};
                    }else{
                        $ent = $tab->getNodeAttribs($node,[$col]);
                        $val = $ent->{$col};
                    }
                    unless($val){
                        # couldn't find the value!!
                        $val = "UNDEFINED"
                    }
                    push @fParts, $val;
                }
            }
            my $val = join('.', @fParts);
            if($type eq 'dir'){
                    $fdir .= "/$pre$val$suf";
            }else{
                    $fdir .= $pre . $val . $suf;
            }
        }else{
            # no substitution here
            $fdir .= "/$p";
        }
    }
    # now that we've processed variables, process commands
    # this isn't quite rock solid.  You can't name directories with #'s in them.
    if($fdir =~ /#CMD=/){
        my $dir;
        foreach my $p (split(/#/,$fdir)){
            if($p =~ /CMD=/){
                $p =~ s/CMD=//;
                my $cmd = $p;
                #$callback->({info=>[$p]});
                $p = `$p 2>&1`;
                chomp($p);
                #$callback->({info=>[$p]});
                unless($p){
                    $p = "#CMD=$p did not return output#";
                }
            }
            $dir .= $p;
        }
        $fdir = $dir;
    }

    return $fdir;
}

sub setupNFSTree {
    my $node = shift;
    my $sip = shift;
    my $callback = shift;

    my $cmd = "litetree $node";
    my @uris = xCAT::Utils->runcmd($cmd, 0);

    foreach my $uri (@uris) {
        # parse the result
        # the result looks like "nodename: nfsserver:directory";
        $uri =~ m/\Q$node\E:\s+(.+):(.+)$/;
        my $nfsserver = $1;
        my $nfsdirectory = $2;

        if($nfsserver eq $sip) { # on the service node

            unless (-d $nfsdirectory) {
                if (-e $nfsdirectory) {
                    unlink $nfsdirectory;
                }
                mkpath $nfsdirectory;
            }
        
            $cmd = "showmount -e $nfsserver";
            my @entries = xCAT::Utils->runcmd($cmd, 0);
            shift @entries;
            if(grep /\Q$nfsdirectory\E/, @entries) {
                $callback->({data=>["$nfsdirectory has been exported already!"]});
                # nothing to do
            }else {
                $cmd = "/usr/sbin/exportfs :$nfsdirectory";
                xCAT::Utils->runcmd($cmd, 0);
                # exportfs can export this directory immediately
                $callback->({data=>["now $nfsdirectory is exported!"]});
                $cmd = "cat /etc/exports";
                @entries = xCAT::Utils->runcmd($cmd, 0);
                unless (my $entry = grep /\Q$nfsdirectory\E/, @entries) {
                    #if there's no entry in /etc/exports, one with default option is added
                    $cmd = qq{echo "$nfsdirectory *(rw,no_root_squash,sync,no_subtree_check)" >> /etc/exports};
                    xCAT::Utils->runcmd($cmd, 0);
                    $callback->({data=>["$nfsdirectory is added into /etc/exports with default option"]});
                }
            }
        }
    }
}

sub setupStatemnt {
    my $sip = shift;
    my $statemnt = shift;
    my $callback = shift;

    $statemnt =~ m/^(.+):(.+)$/;
    my $nfsserver = $1;
    my $nfsdirectory = $2;
    if($sip eq inet_ntoa(inet_aton($nfsserver))) {
        unless (-d $nfsdirectory) {
            if (-e $nfsdirectory) {
                unlink $nfsdirectory;
            } 
            mkpath $nfsdirectory;
        }

        my $cmd = "showmount -e $nfsserver";
        my @entries = xCAT::Utils->runcmd($cmd, 0);
        shift @entries;
        if(grep /\Q$nfsdirectory\E/, @entries) {
            $callback->({data=>["$nfsdirectory has been exported already!"]});
        } else {
            $cmd = "/usr/sbin/exportfs :$nfsdirectory -o rw,no_root_squash,sync,no_subtree_check";
            xCAT::Utils->runcmd($cmd, 0);
            $callback->({data=>["now $nfsdirectory is exported!"]});
            # add the directory into /etc/exports if not exist
            $cmd = "cat /etc/exports";
            @entries = xCAT::Utils->runcmd($cmd, 0);
            if(my $entry = grep /\Q$nfsdirectory\E/, @entries) {
                unless ($entry =~ m/rw/) {
                    $callback->({data=>["The $nfsdirectory should be with rw option in /etc/exports"]});
                }
            }else {
                xCAT::Utils->runcmd(qq{echo "$nfsdirectory *(rw,no_root_squash,sync,no_subtree_check)" >>/etc/exports}, 0);
            }
        }
    }
    
}

1;