git-svn-id: https://svn.code.sf.net/p/xcat/code/xcat-core/trunk@6619 8638fb3e-16cb-4fca-ae20-7b5d299a9bcd
		
			
				
	
	
		
			310 lines
		
	
	
		
			8.2 KiB
		
	
	
	
		
			Perl
		
	
	
	
	
	
			
		
		
	
	
			310 lines
		
	
	
		
			8.2 KiB
		
	
	
	
		
			Perl
		
	
	
	
	
	
| package xCAT_plugin::litetree;
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| use xCAT::NodeRange;
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| use Data::Dumper;
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| use xCAT::Utils;
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| use Sys::Syslog;
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| use xCAT::GlobalDef;
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| use xCAT::Table;
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| use Getopt::Long;
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| use xCAT::SvrUtils;
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| Getopt::Long::Configure("bundling");
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| Getopt::Long::Configure("pass_through");
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| 
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| use strict;
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| # synchonize files and directories from mulitple sources. 
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| 
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| # object is to return a list of files to be syncronized.
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| # requesting them.  By default we will do read-write files.
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| 
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| 
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| my $syncdirTab = "litetree";
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| my $syncfileTab = "litefile";
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| my $errored = 0;
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| 
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| 
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| sub handled_commands {
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| 	# command is syncmount, syncdir is the perl module to use.
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| 	return {
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| 		litetree => "litetree",
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| 		litefile => "litetree",
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| 		ilitefile => "litetree"
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| 	}
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| }
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| 
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| sub usage {
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| 	my $command = shift;
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| 	my $callback = shift;
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| 	my $error = shift;
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| 	my $msg;	
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| 	if($command eq "ilitefile"){
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| 		$msg = "Usage: ilitefile <imagename>
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| \texample:\n\tilitefile centos5.3-x86_64-statelite-compute"
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| 	} elsif($command eq "litefile") {
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|         $msg = "Usage: litefile <noderange>\nexample:\n\tlitefile node1";
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|    	} elsif($command eq "litetree") {
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|         $msg = "Usage: litetree <noderange>\nexample:\n\tlitetree node1";
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|     } else{
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| 		$msg = "some general usage string";
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| 	}
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| 
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| 	if($error){
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| 		$callback->({error=>[$msg],errorcode=>[$error]});
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| 	}else{
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| 		$callback->({info=>[$msg]});
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| 	}
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| }
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| 
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| sub process_request {
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| 	my $request = shift;
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| 	my $callback = shift;
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| 	my $noderange;
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| 	my $image;
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| 	# the request can come from node or some one running command
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| 	# on xCAT mgmt server
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| 	# argument could also be image...
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| 
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| 	# if request comes from user:
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| 	if($request->{node}){
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| 		$noderange = $request->{node};
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| 		
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| 	# if request comes from node post script .awk file.
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| 	}elsif($request->{'_xcat_clienthost'}){
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| 		my @nodenames = noderange($request->{'_xcat_clienthost'}->[0].",".$request->{'_xcat_clientfqdn'}->[0]);
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|         if (@nodenames) {
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|     		$noderange = \@nodenames;
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|             $request->{node} = $noderange;
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|         }
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| 	}else{
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| 		$callback->({error=>["Well Kemosabi, I can't figure out who you are."],errorcode=>[1]});
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| 		return;
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| 	}
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| 
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| 	my $command = $request->{command}->[0];
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| 	if($command eq "litetree"){
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|         unless($request->{node}) {
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|             usage($command, $callback, 0);
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|             return 1;
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|         }
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| 		return syncmount("dir",$request,$callback,$noderange);
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| 	}elsif($command eq "litefile"){
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| 		unless($request->{node}) {
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|             usage($command, $callback, 0);
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|             return 1;
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|         }
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|         return syncmount("file",$request, $callback,$noderange);
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| 	}elsif($command eq "ilitefile"){
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| 			#print Dumper($request);
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| 			unless($request->{arg}){
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| 				usage($command, $callback, 0);
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| 				return 1;
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| 			}
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| 			return syncmount("image",$request, $callback,$request->{arg});
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| 	}else{
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| 		$callback->({error=>["error in code..."], errorcode=>[127]});
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| 		$request = {};
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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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| 
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| sub syncmount {	
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| 	my $syncType = shift;
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| 	my $request = shift;
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| 	my $callback = shift;
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| 	# deterimine which node is calling this 
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| 	# then find out what directories to use.
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| 	my $noderange = shift;
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| 	my @nodes = @{$noderange};
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| 	my $tab;
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| 	if($syncType eq 'dir'){
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| 		$tab = xCAT::Table->new($syncdirTab,-create=>1);
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| 	}elsif($syncType =~ /file|image/ ){
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| 		$tab = xCAT::Table->new($syncfileTab,-create=>1);
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| 	}else{
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| 		$callback->({error=>["error in code..."], errorcode=>[127]});
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| 		$request = {};
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| 		return;
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| 	}
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| 	my $ostab;
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| 	my %osents;
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| 	unless($syncType =~ /image/){
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| 		$ostab = xCAT::Table->new('nodetype');
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| 		%osents = %{$ostab->getNodesAttribs(\@nodes,['profile','os','arch','provmethod'])};
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| 	}
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| 	foreach my $node (@nodes){
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| 	    # node may be an image...
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| 	    my $image;
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| 	    my $ent;
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| 	    if($syncType !~ /image/){
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| 			$ent = $osents{$node}->[0];
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| 
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| 			if (xCAT::Utils->isAIX()) {
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| 				$image=$ent->{provmethod};
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| 			} else {
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| 		
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| 				unless($ent->{os} && $ent->{arch} && $ent->{profile}){
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| 					$callback->({error=>["$node does not have os, arch, or profile defined in nodetype table"],errorcode=>[1]});
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| 					$request = {};
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| 					next;
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| 				}
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| 
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|                 if ((!$ent->{provmethod}) ||  ($ent->{provmethod} eq 'statelite') || ($ent->{provmethod} eq 'netboot') || ($ent->{provmethod} eq 'install')) {
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| 					$image = $ent->{os} . "-" . $ent->{arch} . "-statelite-" . $ent->{profile};
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| 				} elsif (($ent->{provmethod} ne 'netboot') && ($ent->{provmethod} ne 'install')) {
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| 					$image=$ent->{provmethod};
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| 				}
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| 			}
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| 		} else {
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| 			$image=$node;
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| 		}
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|     	my $fData = getNodeData($syncType,$node,$image,$tab,$callback);	
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|     	# now we go through each directory and search for the file.
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|     	showSync($syncType,$callback, $node, $fData);	
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| 	}	
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| }
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| 
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| # In most cases the syncdir will be on the management node so 
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| # want to make sure its not us before we mount things.
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| sub showSync {
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| 	my $syncType = shift; # dir or file	
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| 	my $callback = shift;
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| 	my $node = shift;
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| 	my $dirs = shift;
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| 	my $mnts;
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| 	my $first;
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| 	#print Dumper($dirs);
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| 	# go through each directory in priority order
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| 	#mkdir "/mnt/xcat";
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| 	if($syncType eq "dir"){
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| 
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| 		foreach my $priority (sort {$a <=> $b} keys %$dirs){
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| 			# split the nfs server up from the directory:
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| 			my $mntpnt;
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| 			my ($server, $dir) = split(/:/,$dirs->{$priority});
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| 
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| 			# if server is blank then its the directory:
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| 			unless($dir){
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| 				$dir = $server;
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| 				$server = '';	
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| 			}
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| 
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| 			if(grep /\$|#CMD/, $dir){
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| 				$dir = xCAT::SvrUtils->subVars($dir,$node,'dir',$callback);
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| 				$dir =~ s/\/\//\//g;
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| 			}
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| 			$first = $dir;
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| 			$first =~ s!\/([^/]*)\/.*!$1!;
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| 
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| 			if($server){
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| 				if(grep /\$/, $server){
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| 					$server = xCAT::SvrUtils->subVars($server,$node,'server',$callback);
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| 				}
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| 		
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| 				$mntpnt = $server . ":";
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| 				# we have a server and need to make sure we can mount them under unique names
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| 				if($mnts->{$first} eq '' ){  # if the first mount point doesn't have a server then leave it.
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| 					$mnts->{$first} = $server;
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| 				}else{
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| 					# they may just have the name in twice:
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| 					unless($server eq $mnts->{$first}){ 
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| 						my $msg = "# " . $mnts->{$first} . " and $server both mount /$first.  This not supported.";
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| 						$callback->({info => $msg});
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| 						return;	
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| 					}else{
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| 						$mntpnt = "";  # only mount it once, so get rid of the directory
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| 					}
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| 				}
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| 			}	
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| 			$mntpnt .= $dir;
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| 			# ok, now we have all the mount points.  Let's go through them all?
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| 			$callback->({info => "$node: $mntpnt"});
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| 		}
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| 
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| 	}elsif($syncType =~ /file|image/){
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| 		foreach my $file (sort keys %$dirs){
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| 			my $options	= $dirs->{$file};
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| 			# persistent,rw
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| 			my $out = sprintf("%s: %-13s %s", $node, $options, $file);
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| 			$callback->({info => $out});
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| 		}
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| 	}
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| 
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| }
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| 
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| # get all the directories or files for given image related to this node.
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| sub getNodeData {
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| 	my $type = shift;
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| 	my $node = shift;
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| 	my $image = shift;
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| 	my $tab = shift;	
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| 	my $cb = shift;  # callback to print messages!!
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| 	# the image name will be something like rhels5.4-x86_64-nfsroot
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| 	#my $image;
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| 	#unless($type =~ /image/){
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| 	#	$image = $ent->{os} . "-" . $ent->{arch} . "-statelite-" . $ent->{profile};
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| 	#}else{
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| 	#	$image = $node;
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| 	#}
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| 
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| 	my @imageInfo;
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| 	my @attrs;
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| 	if($type eq "dir"){
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| 		@attrs = ('priority', 'directory');
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| 	}elsif($type =~ /file|image/){
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| 		@attrs = ('file','options');
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| 	}else{
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| 		print "Yikes! error in the code litefile;getNodeData!";
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| 		exit 1;
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| 	}
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| 	# get the directories with no names
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| 	push @imageInfo, $tab->getAttribs({image => ''}, @attrs);
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| 	# get the ALL directories
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| 	push @imageInfo, $tab->getAttribs({image => 'ALL'}, @attrs);
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| 	# get for the image specific directories
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| 	push @imageInfo, $tab->getAttribs({image => $image}, @attrs);
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| 	# pass back a reference to the directory
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| 
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| 	# now we need to sort them
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| 	return mergeArrays($type,\@imageInfo,$cb);
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| }
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| 
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| sub mergeArrays {
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| 	my $type = shift; # file or dir?
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| 	my $arr = shift; # array of info from the tables.
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| 	my $cb = shift;  # callback routine
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| 	my $attrs;
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| 	if($type eq "dir"){
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| 		foreach(@$arr){
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| 			if($_->{directory} eq ''){ next; }
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| 			$attrs->{$_->{priority}} = $_->{directory};
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| 		}
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| 	}elsif($type =~ /file|image/){
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| 		foreach(@$arr){
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| 			if($_->{file} eq ''){ next; }
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| 			my $o = $_->{options};
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| 			if(!$o){
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| 				$o = "tmpfs,rw";
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| 			}
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| 			# TODO: put some logic in here to make sure that ro is alone.
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| 			# if type is ro and con, then this is wrong silly!
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| 			#if($p eq "ro" and $t eq "con"){
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| 			#	my $f = $_->{file};
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| 			#	$cb->({info => "#skipping: $f.  not allowed to be ro and con"});
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| 			#	next;
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| 			#}
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| 			$attrs->{$_->{file}} = $o;
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| 		}
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| 	}else{
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| 		print "Yikes!  Error in the code in mergeArrays!\n";
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| 		exit 1;
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| 	}
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| 	#print "mergeArrays...\n";
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| 	#print Dumper($attrs);
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| 	return $attrs;
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| }
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| 
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| 1;
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| #vim: set ts=2
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| 
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