mirror of
https://github.com/xcat2/xcat-core.git
synced 2025-11-03 21:02:34 +00:00
620 lines
22 KiB
Perl
620 lines
22 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 xCAT::SvrUtils;
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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 [-V|--verbose] [-d|--delete] noderange
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makeconservercf [-V|--verbose] [-l|--local] [noderange]
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makeconservercf [-V|--verbose] [-c|--conserver] [noderange]
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makeconservercf [-V|--verbose] noderange [-t|--trust] hosts
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makeconservercf [-h|--help|-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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-t|--trust Add additional trusted hosts.
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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 $cb = 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 1lab;\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 @entries = xCAT::TableUtils->get_site_attribute("consoleondemand");
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my $site_entry = $entries[0];
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$siteondemand = 0;
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if (defined($site_entry)) {
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if (lc($site_entry) eq "yes") {
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push @newheaders, " options ondemand;\n";
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$siteondemand = 1;
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}
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elsif (lc($site_entry) ne "no") {
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# consoleondemand attribute is set, but it is not "yes" or "no"
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xCAT::SvrUtils::sendmsg([ 1, "Unexpected value $site_entry for consoleondemand attribute in site table" ], $cb);
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}
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}
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push @newheaders, "}\n";
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unshift @$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 $cfile;
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docfheaders(\@filecontent,$cb);
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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, $delmode)) {
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# donodeent will return the 1st node in error
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#$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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}
|
|
|
|
# Put a terminal server entry in the file - not used much any more
|
|
sub dotsent {
|
|
my $cfgent = shift;
|
|
my $tserv = $cfgent->{termserver};
|
|
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 $tserv TS/) {
|
|
$toidx = $idx; #TODO put it back right where I found it
|
|
$skip = 1;
|
|
$skipnext = 1;
|
|
} elsif ($content->[$idx] =~ /^#xCAT END $tserv TS/) {
|
|
$skipnext = 0;
|
|
}
|
|
if ($skip) {
|
|
splice(@$content, $idx, 1);
|
|
} 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
|
|
|
|
# add XCATSSLVER environment variable when it's set on sles11.x mn
|
|
# for cons script to communicate with xcatd through tls
|
|
my $env;
|
|
if (defined($ENV{'XCATSSLVER'})) {
|
|
$env = "XCATSSLVER=$ENV{'XCATSSLVER'} ";
|
|
}
|
|
push @$content, " exec $locerror$env" . $::XCATROOT . "/share/xcat/cons/" . $cmeth . " " . $node . ";\n"
|
|
}
|
|
}
|
|
if (defined($cfgent->{consoleondemand})) {
|
|
# consoleondemand attribute for node can be "1", "yes", "0" and "no"
|
|
if ((($cfgent->{consoleondemand} eq "1") || lc($cfgent->{consoleondemand}) eq "yes") && !$siteondemand) {
|
|
push @$content, " options ondemand;\n";
|
|
}
|
|
elsif ((($cfgent->{consoleondemand} eq "0") || lc($cfgent->{consoleondemand}) eq "no") && $siteondemand) {
|
|
push @$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;
|