mirror of
https://github.com/xcat2/xcat-core.git
synced 2025-05-21 19:22:05 +00:00
0e37f52c41
Before this change, any `osimage` with the `groups` parameter defined to anything but `ALL` would not get entries set for `ALL` in the `litefile` table. The only special case for images with `groups` should be the group-specific entries.
602 lines
17 KiB
Perl
602 lines
17 KiB
Perl
package xCAT_plugin::litetree;
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BEGIN
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{
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$::XCATROOT = $ENV{'XCATROOT'} ? $ENV{'XCATROOT'} : '/opt/xcat';
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}
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use lib "$::XCATROOT/lib/perl";
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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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use strict;
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# synchonize files and directories from mulitple sources.
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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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my $syncdirTab = "litetree";
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my $syncfileTab = "litefile";
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my $synclocTab = "statelite";
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my $errored = 0;
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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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lslite => "litetree"
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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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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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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 $image;
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# the request can come from node or some one running command
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# on xCAT mgmt server
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# argument could also be image...
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# if request comes from user:
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if ($request->{node}) {
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$noderange = $request->{node};
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# if request comes from node post script .awk file.
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} elsif ($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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}
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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, $request->{arg});
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} elsif ($command eq "lslite") {
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if (defined $noderange)
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{
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&lslite($request, $callback, $noderange);
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}
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else
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{
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&lslite($request, $callback, undef);
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}
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return;
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} else {
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$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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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($syncfileTab, -create => 1);
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} elsif ($syncType =~ /location/) {
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$tab = xCAT::Table->new($synclocTab, -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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if (xCAT::Utils->isAIX()) {
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$image = $ent->{provmethod};
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} else {
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unless ($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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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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# 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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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, $mntopts) = split(/:/, $dirs->{$priority});
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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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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!\/([^/]*)\/.*!$1!;
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if ($server) {
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if (grep /\$/, $server) {
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$server = xCAT::SvrUtils->subVars($server, $node, 'server', $callback);
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}
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$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} = $server;
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}
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}
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$mntpnt .= $dir;
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# add the mount options if we have any
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if ($mntopts) {
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$mntpnt .= " :$mntopts";
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}
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# ok, now we have all the mount points. Let's go through them all?
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if ($::from_lslite == 1)
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{
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$callback->({ info => " $priority, $mntpnt" });
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}
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else
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{
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$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 $out;
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if ($::from_lslite == 1)
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{
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$out = sprintf(" %-13s %s", $options, $file);
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}
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else
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{
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$out = sprintf("%s: %-13s %s", $node, $options, $file);
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}
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$callback->({ info => $out });
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}
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} elsif ($syncType =~ /location/) {
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foreach my $node (sort keys %$dirs) {
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my $location = $dirs->{$node};
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my ($server, $dir) = split(/:/, $location);
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if (grep /\$|#CMD/, $dir)
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{
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$dir = xCAT::SvrUtils->subVars($dir, $node, 'dir', $callback);
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$dir =~ s/\/\//\//g;
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}
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if (grep /\$/, $server)
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{
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$server = xCAT::SvrUtils->subVars($server, $node, 'server', $callback);
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}
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$location = $server . ":" . $dir;
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if ($::from_lslite == 1)
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{
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$callback->({ info => " $location" });
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}
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else
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{
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$callback->({ info => "$node: $location" });
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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 = $node;
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#}
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my @imageInfo;
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my @attrs;
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my @imagegroupsattr = ('groups');
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if ($type eq "dir") {
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@attrs = ('priority', 'directory', 'mntopts');
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} elsif ($type =~ /file|image/) {
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@attrs = ('file', 'options');
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} elsif ($type =~ /location/) {
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@attrs = ('node', 'statemnt');
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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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if ($type eq "location")
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{
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# get locations with specific nodes
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push @imageInfo, $tab->getNodeAttribs($node, @attrs);
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}
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else
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{
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# Check if this image contains osimage.groups attribute.
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# if so, means user wants to use specific directories to this image.
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my $osimagetab = xCAT::Table->new("osimage", -create => 1);
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my $imagegroups = $osimagetab->getAttribs({ imagename => $image }, @imagegroupsattr);
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if ($imagegroups and $imagegroups->{groups}) {
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# get for the image groups specific directories
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push @imageInfo, $tab->getAttribs({ image => $imagegroups->{groups} }, @attrs);
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}
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# These cases should run for all images
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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 => $image }, @attrs);
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}
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# pass back a reference to the directory
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# now we need to sort them
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return mergeArrays($type, \@imageInfo, $cb);
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}
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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}:$_->{mntopts}";
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}
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} elsif ($type =~ /file|image/) {
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my $doesMtabExists = 0;
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foreach (@$arr) {
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next if ($_->{file} eq '');
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my $o = $_->{options};
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unless ($o) {
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if (xCAT::Utils->isAIX()) {
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$o = "rw"; # default option if not provided
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} else {
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# for compatible reason, the default option is set to "tmpfs,rw"
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$o = "tmpfs,rw";
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}
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}
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if ($_->{file} eq "/etc/mtab") {
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$doesMtabExists = 1;
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# TODO
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# let the user know the "link" option should be with
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# /etc/mtab
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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} } = $o;
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}
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if (xCAT::Utils->isLinux()) {
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if ($doesMtabExists eq 0) {
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$attrs->{"/etc/mtab"} = "link";
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}
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}
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} elsif ($type =~ /location/) {
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foreach (@$arr)
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{
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if ($_->{statemnt} eq '') { next; }
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$attrs->{ $_->{node} } = $_->{statemnt};
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}
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} else {
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print "Yikes! Error in the code in mergeArrays!\n";
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exit 1;
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}
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#print "mergeArrays...\n";
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#print Dumper($attrs);
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return $attrs;
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}
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#----------------------------------------------------------------------------
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=head3 lslite_usage
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=cut
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#-----------------------------------------------------------------------------
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sub lslite_usage
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{
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my $callback = shift;
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my $rsp;
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push @{ $rsp->{data} },
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"\n lslite - Display a summary of the statelite information \n\t\tthat has been defined for a noderange or an image.";
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push @{ $rsp->{data} }, " Usage: ";
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push @{ $rsp->{data} }, "\tlslite [-h | --help]";
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push @{ $rsp->{data} }, "or";
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push @{ $rsp->{data} }, "\tlslite [-V | --verbose] [-i imagename] | [noderange]";
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xCAT::MsgUtils->message("I", $rsp, $callback);
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return 0;
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}
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sub lslite {
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my $request = shift;
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my $callback = shift;
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my $noderange = shift;
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my @image;
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$::from_lslite = 1; # to control the output format
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unless ($request->{arg} || defined $noderange)
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{
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&lslite_usage($callback);
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return 1;
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}
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# parse the options
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Getopt::Long::Configure("no_pass_through");
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Getopt::Long::Configure("bundling");
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if ($request->{arg})
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{
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@ARGV = @{ $request->{arg} };
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if (
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!GetOptions(
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'h|help' => \$::HELP,
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'i=s' => \$::OSIMAGE,
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'V|verbose' => \$::VERBOSE,
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)
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)
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{
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&lslite_usage($callback);
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return 1;
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}
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}
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if ($::HELP)
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{
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&lslite_usage($callback);
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return 0;
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}
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# handle "lslite -i image1"
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# use the logic for ilitefile
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if ($::OSIMAGE)
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{
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# make sure the osimage is defined
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my @imglist = xCAT::DBobjUtils->getObjectsOfType('osimage');
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if (!grep(/^$::OSIMAGE$/, @imglist))
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{
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$callback->({ error => ["The osimage named \'$::OSIMAGE\' is not defined."], errorcode => [1] });
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return 1;
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}
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@image = join(',', $::OSIMAGE);
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syncmount("image", $request, $callback, \@image);
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return 0;
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}
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# handle "lslite node1"
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my @nodes;
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if (defined $noderange)
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{
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@nodes = @{$noderange};
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if (scalar @nodes)
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{
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# get node's osimage/profile
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my $nttab = xCAT::Table->new('nodetype');
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my $nttabdata = $nttab->getNodesAttribs(\@nodes, [ 'node', 'profile', 'os', 'arch', 'provmethod' ]);
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foreach my $node (@nodes)
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{
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my $image;
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my $data = $nttabdata->{$node}->[0];
|
|
|
|
if (xCAT::Utils->isAIX())
|
|
{
|
|
if (defined($data->{provmethod}))
|
|
{
|
|
$image = $data->{provmethod};
|
|
}
|
|
else
|
|
{
|
|
$callback->({ error => ["no provmethod defined for node $node."], errorcode => [1] });
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if ((!$data->{provmethod}) || ($data->{provmethod} eq 'statelite') || ($data->{provmethod} eq 'netboot') || ($data->{provmethod} eq 'install'))
|
|
{
|
|
$image = $data->{os} . "-" . $data->{arch} . "-statelite-" . $data->{profile};
|
|
}
|
|
else
|
|
{
|
|
$image = $data->{provmethod};
|
|
}
|
|
}
|
|
|
|
$callback->({ info => ">>>Node: $node\n" });
|
|
$callback->({ info => "Osimage: $image\n" });
|
|
|
|
# structure node as ARRAY
|
|
my @tmpnode = join(',', $node);
|
|
|
|
my @types = ("location", "file", "dir");
|
|
foreach my $type (@types)
|
|
{
|
|
if ($type eq "location")
|
|
{
|
|
# show statelite table
|
|
$callback->({ info => "Persistent directory (statelite table):" }); }
|
|
elsif ($type eq "file")
|
|
{
|
|
# show litefile table
|
|
$callback->({ info => "Litefiles (litefile table):" });
|
|
}
|
|
elsif ($type eq "dir")
|
|
{
|
|
# show litetree table
|
|
$callback->({ info => "Litetree path (litetree table):" });
|
|
}
|
|
else
|
|
{
|
|
$callback->({ error => ["Invalid type."], errorcode => [1] });
|
|
return 1;
|
|
}
|
|
|
|
syncmount($type, $request, $callback, \@tmpnode);
|
|
$callback->({ info => "\n" });
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
1;
|
|
|
|
#vim: set ts=2
|
|
|