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			159 lines
		
	
	
		
			4.2 KiB
		
	
	
	
		
			Perl
		
	
	
	
	
	
			
		
		
	
	
			159 lines
		
	
	
		
			4.2 KiB
		
	
	
	
		
			Perl
		
	
	
	
	
	
| # IBM(c) 2007 EPL license http://www.eclipse.org/legal/epl-v10.html
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| #-------------------------------------------------------
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| 
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| =head1
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|   xCAT plugin package to handle getpartition command
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|   Generally, the getpartitioin command is called from the stateless 
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|     node during the booting period to get the partition configureation
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|     infomation to part the hard disk on the stateless node and to 
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|     manage the local disk space for statelite and swap space.
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| =cut
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| 
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| #-------------------------------------------------------
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| package xCAT_plugin::getpartition;
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| use xCAT::Utils;
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| use xCAT::MsgUtils;
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| use xCAT::Table;
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| use xCAT::NodeRange;
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| 
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| #-------------------------------------------------------
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| 
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| =head3  handled_commands
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| 
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| Return list of commands handled by this plugin
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| 
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| =cut
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| 
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| #-------------------------------------------------------
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| 
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| sub handled_commands
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| {
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|     return { 'getpartition' => "getpartition" };
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| }
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| 
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| 
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| #-------------------------------------------------------
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| 
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| =head3  process_request
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| 
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|   Process the command
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| 
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| =cut
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| 
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| #-------------------------------------------------------
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| sub process_request
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| {
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|     my $request  = shift;
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|     my $callback = shift;
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|     my $subreq   = shift;
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| 
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|     my $client;
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|     if ($request->{'_xcat_clienthost'}) {
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|         $client = $request->{'_xcat_clienthost'}->[0];
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|     }
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| 
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|     if ($client) { ($client) = noderange($client) }
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|     unless ($client) {    #Not able to do identify the host in question
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|         xCAT::MsgUtils->message("S", "Received syncfiles from $client, which couldn't be correlated to a node (domain mismatch?)");
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|         return;
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|     }
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| 
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|     parsepartition($client, $callback, $subreq);
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| }
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| 
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| 
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| #----------------------------------------------------------------------------
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| 
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| =head3  
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| 
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|     parseparition
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|     
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|         Description: Read the partition configuration file from 
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|           linuximage.partitionfile, parse the file and send back the partition
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|           parameters to the node.
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|         Arguments:
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|         Returns: 0 - failed; 1 - succeeded;
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| =cut
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| 
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| #-----------------------------------------------------------------------------
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| 
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| sub parsepartition {
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|     my $node     = shift;
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|     my $callback = shift;
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|     my $subreq   = shift;
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| 
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|     # get the partition file from linuximage.partitionfile
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|     my $partfile;
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|     my $rsp;
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| 
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|     my $provmethod;
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|     my ($os, $arch, $profile);
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| 
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|     my $nttab = xCAT::Table->new('nodetype', -create => 1);
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|     if ($nttab) {
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|         my $ntent = $nttab->getNodeAttribs($node, [ 'provmethod', 'os', 'arch', 'profile' ]);
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|         unless ($ntent) {
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|             push @{ $rsp->{data} }, "Error: No entry in nodetype table";
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|             $callback->($rsp);
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|             return;
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|         }
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|         $provmethod = $ntent->{'provmethod'};
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|         $os         = $ntent->{'os'};
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|         $arch       = $ntent->{'arch'};
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|         $profile    = $ntent->{'profile'};
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|     } else {
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|         push @{ $rsp->{data} }, "Error: Could not open nodetype table";
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|         $callback->($rsp);
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|         return;
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|     }
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| 
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|     my $imagename;
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|     if (($provmethod ne 'install') and ($provmethod ne 'netboot') and ($provmethod ne 'statelite')) {
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|         $imagename = $provmethod;
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|     } else {
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|         $imagename = "$os-$arch-$provmethod-$profile";
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|     }
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| 
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|     my $linuximagetab = xCAT::Table->new('linuximage', -create => 1);
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|     if ($linuximagetab) {
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|         my $lient = $linuximagetab->getAttribs({ imagename => $imagename }, ['partitionfile']);
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|         unless ($lient) {
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|             push @{ $rsp->{data} }, "Error: No entry in linuximage table";
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|             $callback->($rsp);
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|             return;
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|         }
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|         $partfile = $lient->{'partitionfile'};
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|     } else {
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|         push @{ $rsp->{data} }, "Error: Could not open linuximage table";
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|         $callback->($rsp);
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|         return;
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|     }
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| 
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|     my $cfgfile;
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|     if ($partfile =~ /s:(.*)/) {
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| 
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|         # It's a script that could be run directly to do the partition configuring
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|         $cfgfile = $1;
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|         push @{ $rsp->{data} }, "type=script";
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| 
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|         #push @{$rsp->{data}}, "enable=yes";
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|     } else {
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|         $cfgfile = $partfile;
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|         push @{ $rsp->{data} }, "type=format";
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|     }
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| 
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|     unless (-r $cfgfile) {
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|         push @{ $rsp->{data} }, "Error: Could not read the file $1";
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|         $callback->($rsp);
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|         return;
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|     }
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|     open(FILE, "<$cfgfile");
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|     push @{ $rsp->{data} }, <FILE>;
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|     $callback->($rsp);
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|     return;
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| 
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| 
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| }
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| 
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| 1;
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