36121ff298
This helps eliminate many ssh connections to blade AMM which seems to kill AMMs occasionally. git-svn-id: https://svn.code.sf.net/p/xcat/code/xcat-core/trunk@2125 8638fb3e-16cb-4fca-ae20-7b5d299a9bcd
440 lines
13 KiB
Perl
440 lines
13 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 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 $usage_string=
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" makeconservercf noderange
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makeconservercf [-l|--local]
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makeconservercf -h|--help
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makeconservercf -v|--version
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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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-h|--help Display this usage statement.
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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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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::Utils->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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'l|local' => \$::LOCAL,
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'h|help' => \$::HELP,
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'v|version' => \$::VERSION)) {
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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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$callback->({data=>"Invalide option -l or --local when there are nodes specofied."});
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$request = {};
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return;
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}
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}
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# get site master
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my $master=xCAT::Utils->get_site_Master();
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if (!$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) { #
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my $reqcopy = {%$request};
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$reqcopy->{'_xcatdest'} = $master;
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$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 SN
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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})) { $doit=1; }
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}
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if ($doit) {
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my $reqcopy = {%$request};
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$reqcopy->{'_xcatdest'} = $cons;
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$reqcopy->{'_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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}
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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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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 $numlines = @$content;
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my @meat = grep(!/^#/,@$content);
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unless (grep(/^config \* {/,@meat)) {
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push @$content,"config * {\n";
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push @$content," sslrequired yes;\n";
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push @$content," sslauthority /etc/xcat/cert/ca.pem;\n";
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push @$content," sslcredentials /etc/xcat/cert/server-cred.pem;\n";
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push @$content,"}\n";
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}
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unless (grep(/^default full/,@meat)) {
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push @$content,"default full { rw *; }\n";
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}
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unless (grep(/^default cyclades/,@meat)) {
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push @$content,"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 @$content,"default mrv { type host; portbase 2000; portinc 100; }\n"
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}
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unless (grep(/^access \*/,@meat)) {
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#push @$content,"#xCAT BEGIN ACCESS\n";
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push @$content,"access * {\n";
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push @$content," trusted 127.0.0.1;\n";
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if (xCAT::Utils->isServiceNode()) {
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my $master=xCAT::Utils->get_site_Master();
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push @$content, " trusted $master;\n";
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}
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push @$content,"}\n";
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#push @$content,"#xCAT END ACCESS\n";
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}
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unless (grep(/^default \*/,@meat)) {
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push @$content,"default * {\n";
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push @$content," logfile /var/log/consoles/&;\n";
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push @$content," timestamp 1hab;\n";
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push @$content," include full;\n";
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push @$content," 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 = $sitetab->getAttribs({key => "consoleondemand"}, 'value');
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if ($vcon and $vcon->{"value"} and $vcon->{"value"} eq "yes" ) {
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push @$content," options ondemand;\n";
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}
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push @$content,"}\n";
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}
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}
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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 $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 $isSN=xCAT::Utils->isServiceNode();
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my @hostinfo=xCAT::Utils->determinehostname();
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my %iphash=();
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foreach(@hostinfo) {$iphash{$_}=1;}
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#print "process_request nodes=@$nodes\n";
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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,['cons','serialport','mgt','conserver','termserver','termport']);
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} else {
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@cfgents1 = $hmtab->getAllNodeAttribs(['cons','serialport','mgt','conserver','termserver','termport']);
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}
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#cfgents should now have all the nodes, so we can fill in our hashes one at a time.
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# skip the one that does not have 'cons' defined, unless a serialport setting suggests otherwise
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my @cfgents=();
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foreach (@cfgents1) {
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if ($_->{cons} or defined($_->{'serialport'})) { push @cfgents, $_; }
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}
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# get the teminal servers and terminal port when cons is mrv or cyclades
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foreach (@cfgents) {
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unless ($_->{cons}) {$_->{cons} = $_->{mgt};} #populate with fallback
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#my $cmeth=$_->{cons};
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#if (grep(/^$cmeth$/,@cservers)) { #terminal server, more attribs needed
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# my $node = $_->{node};
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# my $tent = $hmtab->getNodeAttribs($node,["termserver","termport"]);
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# $_->{termserver} = $tent->{termserver};
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# $termservers{$tent->{termserver}} = 1;
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# $_->{termport}= $tent->{termport};
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#}
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}
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# nodes defined, it is either on the service node or mkconserver is call with noderange on mn
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if (($nodes and @$nodes > 0) or $req->{noderange}->[0]) {
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# strip all xCAT configured stuff from config if the original command was for all nodes
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if (($req->{_allnodes}) && ($req->{_allnodes}->[0]==1)) {zapcfg(\@filecontent);}
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foreach (@$nodes) {
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my $node = $_;
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foreach (@cfgents) {
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if ($_->{node} eq $node) {
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if ($_->{termserver} and not $termservers{$_->{termserver}}) {
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dotsent($_,\@filecontent);
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$termservers{$_->{termserver}}=1; #prevent needless cycles being burned
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}
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donodeent($_,\@filecontent);
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}
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}
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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 stuff from config
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# 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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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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dotsent($_,\@filecontent);
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$termservers{$_->{termserver}}=1; #prevent needless cycles being burned
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}
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if ( $type{$_->{node}} !~ /fsp|bpa|hmc|ivm/ ) {
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donodeent($_,\@filecontent);
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}
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}
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}
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}
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open $cfile,'>','/etc/conserver.cf';
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foreach (@filecontent) {
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print $cfile $_;
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}
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close $cfile;
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if (!$svboot) {
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#restart conserver daemon
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my $cmd;
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if (-f "/var/run/conserver.pid") {
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$cmd = "/etc/rc.d/init.d/conserver restart";
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} else {
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$cmd = "/etc/rc.d/init.d/conserver start";
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}
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xCAT::Utils->runcmd($cmd, -1);
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}
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}
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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,$idx,1);
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} else {
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$idx++;
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}
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$skip = $skipnext;
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}
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push @$content,"#xCAT BEGIN $tserv TS\n";
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push @$content,"default $tserv {\n";
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push @$content," include ".$cfgent->{cons}.";\n";
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push @$content," host $tserv;\n";
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push @$content,"}\n";
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push @$content,"#xCAT END $tserv TS\n";
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}
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sub donodeent {
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my $cfgent = shift;
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my $node = $cfgent->{node};
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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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my $isSN=xCAT::Utils->isServiceNode();
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while ($idx < $#$content) { # Go through and delete that which would match my entry
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if ($content->[$idx] =~ /^#xCAT BEGIN $node CONS/) {
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$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 $node CONS/) {
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$skipnext = 0;
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}
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if ($skip) {
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splice (@$content,$idx,1);
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} else {
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$idx++;
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}
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$skip = $skipnext;
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}
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push @$content,"#xCAT BEGIN $node CONS\n";
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push @$content,"console $node {\n";
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#if ($cfgent->{cons}
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my $cmeth=$cfgent->{cons};
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#print $cmeth."\n";
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if (grep(/^$cmeth$/,@cservers)) {
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push @$content," include ".$cfgent->{termserver}.";\n";
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push @$content," port ".$cfgent->{termport}.";\n";
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if ((!$isSN) && ($cfgent->{conserver}) && xCAT::Utils->thishostisnot($cfgent->{conserver})) { # let the master handle it
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push @$content," master ".$cfgent->{conserver}.";\n";
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}
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} else { #a script method...
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push @$content," type exec;\n";
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if ((!$isSN) && ($cfgent->{conserver}) && xCAT::Utils->thishostisnot($cfgent->{conserver})) { # let the master handle it
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push @$content," master ".$cfgent->{conserver}.";\n";
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} else { # handle it here
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my $locerror = $isSN ? "PERL_BADLANG=0 " : ''; # on service nodes, often LC_ALL is not set and perl complains
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push @$content," exec $locerror".$::XCATROOT."/share/xcat/cons/".$cmeth." ".$node.";\n"
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}
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}
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push @$content,"}\n";
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push @$content,"#xCAT END $node CONS\n";
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}
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sub zapcfg {
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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/) {
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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/) {
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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 {
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$idx++;
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}
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$skip = $skipnext;
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}
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}
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1;
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