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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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=head1
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  xCAT plugin package to handle getpartition command
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  Generally, the getpartition 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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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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=head3  handled_commands
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Return list of commands handled by this plugin
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=cut
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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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=head3  process_request
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  Process the command
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=cut
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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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    my $client;
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    if ($request->{'_xcat_clienthost'}) {
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        $client = $request->{'_xcat_clienthost'}->[0];
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    }
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    if ($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 $client, which couldn't be correlated to a node (domain mismatch?)");
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        return;
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    }
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    parsepartition($client, $callback, $subreq);
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}
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#----------------------------------------------------------------------------
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=head3  
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    parseparition
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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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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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    # get the partition file from linuximage.partitionfile
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    my $partfile;
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    my $rsp;
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    my $provmethod;
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    my ($os, $arch, $profile);
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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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    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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    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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    my $cfgfile;
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    if ($partfile =~ /s:(.*)/) {
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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 @{ $rsp->{data} }, "type=script";
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        #push @{$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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    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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1;
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