586 lines
19 KiB
Perl
586 lines
19 KiB
Perl
# IBM(c) 2007 EPL license http://www.eclipse.org/legal/epl-v10.html
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#TODO: delete entries not being refreshed if no noderange
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package xCAT_plugin::conserver;
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use strict;
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use xCAT::Table;
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use xCAT::Utils;
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use xCAT::TableUtils;
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use Getopt::Long;
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use Sys::Hostname;
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use strict;
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use Data::Dumper;
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my @cservers = qw(mrv cyclades);
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my %termservers; #list of noted termservers
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my $siteondemand; # The site value for consoleondemand
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my $usage_string=
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" makeconservercf [-d|--delete] noderange
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makeconservercf [-l|--local]
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makeconservercf [-c|--conserver]
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makeconservercf
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makeconservercf -h|--help
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makeconservercf -v|--version
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-c|--conserver The conserver gets set up only on the conserver host.
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The default goes down to all the conservers on
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the server nodes and set them up
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-l|--local The conserver gets set up only on the local host.
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The default goes down to all the conservers on
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the server nodes and set them up
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-d|--delete Conserver has the relevant entries for the given noderange removed immediately from configuration
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-h|--help Display this usage statement.
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-V|--verbose Verbose mode.
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-v|--version Display the version number.";
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my $version_string=xCAT::Utils->Version();
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sub handled_commands {
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return {
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makeconservercf => "conserver"
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}
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}
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sub preprocess_request {
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my $request = shift;
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#if ($request->{_xcatdest}) { return [$request]; } #exit if preprocessed
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if ($request->{_xcatpreprocessed}->[0] == 1) { return [$request]; }
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my $callback=shift;
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my @requests;
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my $noderange = $request->{node}; #Should be arrayref
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#display usage statement if -h
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my $extrargs = $request->{arg};
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my @exargs=($request->{arg});
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if (ref($extrargs)) {
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@exargs=@$extrargs;
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}
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@ARGV=@exargs;
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my $isSN=xCAT::Utils->isServiceNode();
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my @hostinfo=xCAT::NetworkUtils->determinehostname();
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my %iphash=();
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foreach(@hostinfo) { $iphash{$_}=1;}
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$Getopt::Long::ignorecase=0;
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#$Getopt::Long::pass_through=1;
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if(!GetOptions(
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'c|conserver' => \$::CONSERVER,
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'l|local' => \$::LOCAL,
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'h|help' => \$::HELP,
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'D|debug' => \$::DEBUG,
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'v|version' => \$::VERSION,
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'V|verbose' => \$::VERBOSE)) {
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$request = {};
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return;
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}
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if ($::HELP) {
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$callback->({data=>$usage_string});
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$request = {};
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return;
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}
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if ($::VERSION) {
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$callback->({data=>$version_string});
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$request = {};
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return;
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}
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if ($::LOCAL) {
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if ($noderange && @$noderange>0) {
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$callback->({data=>"Invalid option -l or --local when there are nodes specified."});
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$request = {};
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return;
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}
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}
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if ($::CONSERVER && $::LOCAL) {
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$callback->({data=>"Can not specify -l or --local together with -c or --conserver."});
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$request = {};
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return;
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}
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# get site master
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my $master=xCAT::TableUtils->get_site_Master();
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if (!$master) { $master=hostname(); }
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# get conserver for each node
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my %cons_hash=();
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my $hmtab = xCAT::Table->new('nodehm');
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my @items;
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my $allnodes=1;
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if ($noderange && @$noderange>0) {
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$allnodes=0;
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my $hmcache=$hmtab->getNodesAttribs($noderange,['node', 'serialport','cons', 'conserver']);
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foreach my $node (@$noderange) {
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my $ent=$hmcache->{$node}->[0]; #$hmtab->getNodeAttribs($node,['node', 'serialport','cons', 'conserver']);
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push @items,$ent;
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}
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} else {
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$allnodes=1;
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@items = $hmtab->getAllNodeAttribs(['node', 'serialport','cons', 'conserver']);
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}
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my @nodes=();
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foreach (@items) {
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if (((!defined($_->{cons})) || ($_->{cons} eq "")) and !defined($_->{serialport})) { next;} #skip if 'cons' is not defined for this node, unless serialport suggests otherwise
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if (defined($_->{conserver})) { push @{$cons_hash{$_->{conserver}}{nodes}}, $_->{node};}
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else { push @{$cons_hash{$master}{nodes}}, $_->{node};}
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push @nodes,$_->{node};
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}
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#send all nodes to the MN
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if (!$isSN && !$::CONSERVER) { #If -c flag is set, do not add the all nodes to the management node
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if ($::VERBOSE) {
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my $rsp;
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$rsp->{data}->[0] = "Setting the nodes into /etc/conserver.cf on the management node";
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xCAT::MsgUtils->message("I", $rsp, $callback);
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}
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my $reqcopy = {%$request};
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$reqcopy->{'_xcatdest'} = $master;
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$reqcopy->{_xcatpreprocessed}->[0] = 1;
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$reqcopy->{'_allnodes'} = $allnodes; # the original command comes with nodes or not
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if ($allnodes==1) { @nodes=(); }
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$reqcopy->{node} = \@nodes;
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push @requests, $reqcopy;
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if ($::LOCAL) { return \@requests; }
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}
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# send to conserver hosts
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foreach my $cons (keys %cons_hash) {
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#print "cons=$cons\n";
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my $doit=0;
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if ($isSN) {
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if (exists($iphash{$cons})) { $doit=1; }
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} else {
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if (!exists($iphash{$cons}) || $::CONSERVER) { $doit=1; }
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}
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if ($doit) {
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my $reqcopy = {%$request};
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$reqcopy->{'_xcatdest'} = $cons;
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$reqcopy->{_xcatpreprocessed}->[0] = 1;
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$reqcopy->{'_allnodes'} = [$allnodes]; # the original command comes with nodes or not
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$reqcopy->{node} = $cons_hash{$cons}{nodes};
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my $no=$reqcopy->{node};
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#print "node=@$no\n";
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push @requests, $reqcopy;
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} #end if
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} #end foreach
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if ($::DEBUG) {
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my $rsp;
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$rsp->{data}->[0] = "In preprocess_request, request is " . Dumper(@requests);
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xCAT::MsgUtils->message("I", $rsp, $callback);
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}
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return \@requests;
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}
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sub process_request {
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my $req = shift;
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my $cb = shift;
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if ($req->{command}->[0] eq "makeconservercf") {
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makeconservercf($req,$cb);
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}
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}
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# Add the initial/global entries to the beginning of the file
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sub docfheaders {
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# Put in standard headers common to all conserver.cf files
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my $content = shift;
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my @newheaders=();
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my $numlines = @$content;
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my $idx = 0;
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my $skip = 0;
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my @meat = grep(!/^#/,@$content);
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unless (grep(/^config \* {/,@meat)) {
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# do not add the ssl configurations
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# if conserver is not compiled with ssl support
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my $cmd = "console -h 2>&1";
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my $output = xCAT::Utils->runcmd($cmd, -1);
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if ($output !~ "encryption not compiled")
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{
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push @newheaders,"config * {\n";
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push @newheaders," sslrequired yes;\n";
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push @newheaders," sslauthority /etc/xcat/cert/ca.pem;\n";
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push @newheaders," sslcredentials /etc/xcat/cert/server-cred.pem;\n";
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push @newheaders,"}\n";
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}
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}
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unless (grep(/^default cyclades/,@meat)) {
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push @newheaders,"default cyclades { type host; portbase 7000; portinc 1; }\n"
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}
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unless (grep(/^default mrv/,@meat)) {
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push @newheaders,"default mrv { type host; portbase 2000; portinc 100; }\n"
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}
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#Go through and delete that which would match access and default
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while($idx < @$content){
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if (($content->[$idx] =~ /^access \*/)
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||($content->[$idx] =~ /^default \*/)) {
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$skip = 1;
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}
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if ($skip == 1){
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splice(@$content, $idx, 1);
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} else {
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$idx++;
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}
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if($skip and $content->[$idx] =~ /\}/){
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splice(@$content, $idx, 1);
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$skip = 0;
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}
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}
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#push @$content,"#xCAT BEGIN ACCESS\n";
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push @newheaders,"access * {\n";
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push @newheaders," trusted 127.0.0.1;\n";
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my $master=xCAT::TableUtils->get_site_Master();
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push @newheaders, " trusted $master;\n";
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# trust all the ip addresses configured on this node
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my @allips = xCAT::NetworkUtils->gethost_ips();
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my @ips = ();
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#remove $xcatmaster and duplicate entries
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foreach my $ip (@allips) {
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if (($ip eq "127.0.0.1") || ($ip eq $master)) {
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next;
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}
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if(!grep(/^$ip$/, @ips)) {
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push @ips,$ip;
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}
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}
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if ($::TRUSTED_HOST)
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{
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my @trusted_host = (split /,/, $::TRUSTED_HOST);
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foreach my $tip (@trusted_host)
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{
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if(!grep(/^$tip$/, @ips)) {
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push @ips,$tip;
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}
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}
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}
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if(scalar(@ips) > 0) {
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my $ipstr = join(',', @ips);
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push @newheaders, " trusted $ipstr;\n";
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}
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push @newheaders,"}\n";
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#push @$content,"#xCAT END ACCESS\n";
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push @newheaders,"default * {\n";
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push @newheaders," logfile /var/log/consoles/&;\n";
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push @newheaders," timestamp 1hab;\n";
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push @newheaders," rw *;\n";
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push @newheaders," master localhost;\n";
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#-- if option "conserverondemand" in site table is set to yes
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#-- then start all consoles on demand
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#-- this helps eliminate many ssh connections to blade AMM
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#-- which seems to kill AMMs occasionally
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#my $sitetab = xCAT::Table->new('site');
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#my $vcon = $sitetab->getAttribs({key => "consoleondemand"}, 'value');
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my @entries = xCAT::TableUtils->get_site_attribute("consoleondemand");
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my $site_entry = $entries[0];
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if ( defined($site_entry) and $site_entry eq "yes" ) {
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push @newheaders," options ondemand;\n";
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$siteondemand=1;
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}
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else {
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$siteondemand=0;
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}
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push @newheaders,"}\n";
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unshift @$content,@newheaders;
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}
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# Read the file, get db info, update the file contents, and then write the file
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sub makeconservercf {
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my $req = shift;
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%termservers = (); #clear hash of existing entries
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my $cb = shift;
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my $extrargs = $req->{arg};
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my @exargs=($req->{arg});
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if (ref($extrargs)) {
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@exargs=@$extrargs;
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}
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@ARGV=@exargs;
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$Getopt::Long::ignorecase=0;
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#$Getopt::Long::pass_through=1;
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my $delmode;
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GetOptions('d|delete' => \$delmode,
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't|trust=s' => \$::TRUSTED_HOST
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);
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my $nodes = $req->{node};
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my $svboot=0;
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if (exists($req->{svboot})) { $svboot=1;}
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my $cfile;
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my @filecontent;
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open $cfile,'/etc/conserver.cf';
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while (<$cfile>) {
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push @filecontent,$_;
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}
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close $cfile;
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docfheaders(\@filecontent);
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my $isSN=xCAT::Utils->isServiceNode();
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my @hostinfo=xCAT::NetworkUtils->determinehostname();
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my %iphash=();
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foreach(@hostinfo) {$iphash{$_}=1;}
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#print "process_request nodes=@$nodes\n";
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# Get db info for the nodes related to console
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my $hmtab = xCAT::Table->new('nodehm');
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my @cfgents1;# = $hmtab->getAllNodeAttribs(['cons','serialport','mgt','conserver','termserver','termport']);
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if (($nodes and @$nodes > 0) or $req->{noderange}->[0]) {
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@cfgents1 = $hmtab->getNodesAttribs($nodes,['node','cons','serialport','mgt','conserver','termserver','termport','consoleondemand']);
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# Adjust the data structure to make the result consistent with the getAllNodeAttribs() call we make if a noderange was not specified
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my @tmpcfgents1;
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foreach my $ent (@cfgents1)
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{
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foreach my $nodeent ( keys %$ent)
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{
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push @tmpcfgents1, $ent->{$nodeent}->[0] ;
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}
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}
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@cfgents1 = @tmpcfgents1
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} else {
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@cfgents1 = $hmtab->getAllNodeAttribs(['cons','serialport','mgt','conserver','termserver','termport','consoleondemand']);
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}
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#cfgents1 should now have all the nodes, so we can fill in the cfgents array and cfgenthash one at a time.
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# skip the nodes that do not have 'cons' defined, unless a serialport setting suggests otherwise
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my @cfgents=();
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my %cfgenthash;
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foreach (@cfgents1) {
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if ($_->{cons} or defined($_->{'serialport'})) {
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unless ($_->{cons}) {$_->{cons} = $_->{mgt};} #populate with fallback
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push @cfgents, $_;
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$cfgenthash{$_->{node}} = $_; # also put the ref to the entry in a hash for quick look up
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}
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}
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if ($::DEBUG) {
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my $rsp;
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$rsp->{data}->[0] = "In makeconservercf, cfgents is " . Dumper(@cfgents);
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xCAT::MsgUtils->message("I", $rsp, $cb);
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}
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# if nodes defined, it is either on the service node or makeconserver was called with noderange on mn
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if (($nodes and @$nodes > 0) or $req->{noderange}->[0]) {
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# strip all xCAT configured nodes from config if the original command was for all nodes
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if (($req->{_allnodes}) && ($req->{_allnodes}->[0]==1)) {zapcfg(\@filecontent);}
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# call donodeent to add all node entries into the file. It will return the 1st node in error.
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my $node;
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if ($node=donodeent(\%cfgenthash,\@filecontent,$delmode)) {
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#$cb->({node=>[{name=>$node,error=>"Bad configuration, check attributes under the nodehm category",errorcode=>1}]});
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xCAT::SvrUtils::sendmsg([1,"Bad configuration, check attributes under the nodehm category"],$cb,$node);
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}
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} else { #no nodes specified, do em all up
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zapcfg(\@filecontent); # strip all xCAT configured nodes from config
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# get nodetype so we can filter out node types without console support
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my $typetab = xCAT::Table->new('nodetype');
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my %type;
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if ( defined($typetab)) {
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my @ents = $typetab->getAllNodeAttribs([qw(node nodetype)]);
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foreach (@ents) {
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$type{$_->{node}}=$_->{nodetype};
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}
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}
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# remove nodes that arent for this SN or type of node doesnt have console
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foreach (@cfgents) {
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my $keepdoing=0;
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if ($isSN && $_->{conserver} && exists($iphash{$_->{conserver}})) {
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$keepdoing=1; #only hanlde the nodes that use this SN as the conserver
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}
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if (!$isSN) { $keepdoing=1;} #handle all for MN
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if ($keepdoing) {
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if ($_->{termserver} and not $termservers{$_->{termserver}}) {
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# add a terminal server entry to file
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dotsent($_,\@filecontent);
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$termservers{$_->{termserver}}=1; # dont add this one again
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}
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if ( $type{$_->{node}} =~ /fsp|bpa|hmc|ivm/ ) {
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$keepdoing=0; # these types dont have consoles
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}
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}
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if (!$keepdoing) { delete $cfgenthash{$_->{node}}; } # remove this node from the hash so we dont process it later
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}
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# Now add into the file all the node entries that we kept
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my $node;
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if ($node=donodeent(\%cfgenthash,\@filecontent)) {
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# donodeent will return the 1st node in error
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#$cb->({node=>[{name=>$node,error=>"Bad configuration, check attributes under the nodehm category",errorcode=>1}]});
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xCAT::SvrUtils::sendmsg([1,"Bad configuration, check attributes under the nodehm category"],$cb,$node);
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}
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}
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# Write out the file contents
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open $cfile,'>','/etc/conserver.cf';
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if ($::VERBOSE) {
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my $rsp;
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$rsp->{data}->[0] = "Setting the following lines into /etc/conserver.cf:\n @filecontent";
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xCAT::MsgUtils->message("I", $rsp, $cb);
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}
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foreach (@filecontent) {
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print $cfile $_;
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}
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close $cfile;
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# restart conserver
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if (!$svboot) {
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#restart conserver daemon
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my $cmd;
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if(xCAT::Utils->isAIX()){
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$cmd = "stopsrc -s conserver";
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xCAT::Utils->runcmd($cmd, 0);
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$cmd = "startsrc -s conserver";
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xCAT::Utils->runcmd($cmd, 0);
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} else {
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$cmd = "/etc/init.d/conserver stop";
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xCAT::Utils->runcmd($cmd, 0);
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$cmd = "/etc/init.d/conserver start";
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xCAT::Utils->runcmd($cmd, 0);
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}
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}
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}
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# Put a terminal server entry in the file - not used much any more
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sub dotsent {
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my $cfgent = shift;
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my $tserv = $cfgent->{termserver};
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my $content = shift;
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my $idx = 0;
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my $toidx = -1;
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my $skip = 0;
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my $skipnext = 0;
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while ($idx < $#$content) { # Go through and delete that which would match my entry
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if ($content->[$idx] =~ /^#xCAT BEGIN $tserv TS/) {
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$toidx=$idx; #TODO put it back right where I found it
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$skip = 1;
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$skipnext=1;
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} elsif ($content->[$idx] =~ /^#xCAT END $tserv TS/) {
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$skipnext = 0;
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}
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if ($skip) {
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splice (@$content,$idx,1);
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} else {
|
|
$idx++;
|
|
}
|
|
$skip = $skipnext;
|
|
}
|
|
push @$content,"#xCAT BEGIN $tserv TS\n";
|
|
push @$content,"default $tserv {\n";
|
|
push @$content," include ".$cfgent->{cons}.";\n";
|
|
push @$content," host $tserv;\n";
|
|
push @$content,"}\n";
|
|
push @$content,"#xCAT END $tserv TS\n";
|
|
|
|
}
|
|
|
|
# Add entries in the file for each node. This function used to do 1 node at a time, but was changed to do
|
|
# all nodes at once for performance reasons. If there is a problem with a nodes config, this
|
|
# function will return that node name as the one in error.
|
|
sub donodeent {
|
|
my $cfgenthash = shift;
|
|
my $content = shift;
|
|
my $delmode = shift;
|
|
my $idx=0;
|
|
my $toidx=-1;
|
|
my $skip = 0;
|
|
my $skipnext = 0;
|
|
|
|
# Delete all the previous stanzas of the nodes specified
|
|
my $isSN=xCAT::Utils->isServiceNode();
|
|
my $curnode;
|
|
# Loop till find the start of a node stanza and remove lines till get to the end of the stanza
|
|
while ($idx <= $#$content) { # Go through and delete that which would match my entry
|
|
my ($begorend, $node) = $content->[$idx] =~ /^#xCAT (\S+) (\S+) CONS/;
|
|
if ($begorend eq 'BEGIN') {
|
|
if ($cfgenthash->{$node}) {
|
|
$toidx=$idx; #TODO put it back right where I found it
|
|
$skip = 1; # delete this line
|
|
$skipnext=1; # put us in skip mode until we find the end of the stanza
|
|
$curnode = $node;
|
|
}
|
|
} elsif ($begorend eq 'END' && $node eq $curnode) {
|
|
$skipnext = 0;
|
|
}
|
|
if ($skip) {
|
|
splice (@$content,$idx,1);
|
|
} else {
|
|
$idx++;
|
|
}
|
|
$skip = $skipnext;
|
|
}
|
|
if ($delmode) {
|
|
# dont need to add node entries, so we are done
|
|
return;
|
|
}
|
|
|
|
# Go thru all nodes specified to add them to the file
|
|
foreach my $node (sort keys %$cfgenthash) {
|
|
my $cfgent = $cfgenthash->{$node};
|
|
my $cmeth=$cfgent->{cons};
|
|
if (not $cmeth or (grep(/^$cmeth$/,@cservers) and (not $cfgent->{termserver} or not $cfgent->{termport}))) {
|
|
# either there is no console method (shouldnt happen) or not one of the supported terminal servers
|
|
return $node;
|
|
}
|
|
push @$content,"#xCAT BEGIN $node CONS\n";
|
|
push @$content,"console $node {\n";
|
|
if (grep(/^$cmeth$/,@cservers)) {
|
|
push @$content," include ".$cfgent->{termserver}.";\n";
|
|
push @$content," port ".$cfgent->{termport}.";\n";
|
|
if ((!$isSN) && ($cfgent->{conserver}) && xCAT::NetworkUtils->thishostisnot($cfgent->{conserver})) { # let the master handle it
|
|
push @$content," master ".$cfgent->{conserver}.";\n";
|
|
}
|
|
} else { #a script method...
|
|
push @$content," type exec;\n";
|
|
if ((!$isSN) && ($cfgent->{conserver}) && xCAT::NetworkUtils->thishostisnot($cfgent->{conserver})) { # let the master handle it
|
|
push @$content," master ".$cfgent->{conserver}.";\n";
|
|
} else { # handle it here
|
|
my $locerror = $isSN ? "PERL_BADLANG=0 " : ''; # on service nodes, often LC_ALL is not set and perl complains
|
|
push @$content," exec $locerror".$::XCATROOT."/share/xcat/cons/".$cmeth." ".$node.";\n"
|
|
}
|
|
}
|
|
if (defined($cfgent->{consoleondemand})) {
|
|
if ($cfgent->{consoleondemand} && !$siteondemand ) {
|
|
push @$content," options ondemand;\n";
|
|
}
|
|
elsif (!$cfgent->{consoleondemand} && $siteondemand ) {
|
|
push @$content," options !ondemand;\n";
|
|
}
|
|
}
|
|
push @$content,"}\n";
|
|
push @$content,"#xCAT END $node CONS\n";
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
# Delete any xcat added node entries from the file
|
|
sub zapcfg {
|
|
my $content = shift;
|
|
my $idx=0;
|
|
my $toidx=-1;
|
|
my $skip = 0;
|
|
my $skipnext = 0;
|
|
while ($idx <= $#$content) { # Go through and delete that which would match my entry
|
|
if ($content->[$idx] =~ /^#xCAT BEGIN/) {
|
|
$toidx=$idx; #TODO put it back right where I found it
|
|
$skip = 1;
|
|
$skipnext=1;
|
|
} elsif ($content->[$idx] =~ /^#xCAT END/) {
|
|
$skipnext = 0;
|
|
}
|
|
if ($skip) {
|
|
splice (@$content,$idx,1);
|
|
} else {
|
|
$idx++;
|
|
}
|
|
$skip = $skipnext;
|
|
}
|
|
}
|
|
|
|
|
|
1;
|