521 lines
14 KiB
Perl
521 lines
14 KiB
Perl
# IBM(c) 2007 EPL license http://www.eclipse.org/legal/epl-v10.html
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#-------------------------------------------------------
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=head1
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xCAT plugin package to handle mkzone,chzone,rmzone commands
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Supported command:
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mkzone,chzone,rmzone - manage xcat cluster zones
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=cut
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#-------------------------------------------------------
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package xCAT_plugin::zone;
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BEGIN
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{
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$::XCATROOT = $ENV{'XCATROOT'} ? $ENV{'XCATROOT'} : -d '/opt/xcat' ? '/opt/xcat' : '/usr';
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}
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use strict;
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require xCAT::Utils;
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require xCAT::Zone;
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require xCAT::MsgUtils;
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require xCAT::Table;
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use xCAT::NodeRange;
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use xCAT::NodeRange qw/noderange abbreviate_noderange/;
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use Getopt::Long;
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#-------------------------------------------------------
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=head3 handled_commands
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Return list of commands handled by this plugin
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=cut
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#-------------------------------------------------------
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sub handled_commands
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{
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return {mkzone => "zone",
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chzone => "zone",
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rmzone => "zone",
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};
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}
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#-------------------------------------------------------
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=head3 process_request
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Process the command, this only runs on the management node
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=cut
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#-------------------------------------------------------
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sub process_request
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{
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my $request = shift;
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my $callback = shift;
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my $sub_req = shift;
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$::CALLBACK = $callback;
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my $command = $request->{command}->[0];
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my $rc=0;
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# the directory which will contain the zone keys
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my $keydir="/etc/xcat/sshkeydir/";
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# check if Management Node, if not error
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unless (xCAT::Utils->isMN())
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{
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my $rsp = {};
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$rsp->{error}->[0] = "The $command may only be run on the Management Node.";
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xCAT::MsgUtils->message("E", $rsp, $callback, 1);
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return 1;
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}
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# you may not run on AIX
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if (xCAT::Utils->isAIX()) {
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my $rsp = {};
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$rsp->{error}->[0] = "The $command may only be run on a Linux Cluster.";
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xCAT::MsgUtils->message("E", $rsp, $callback, 1);
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return 1;
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}
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# test to see if any parms
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if (scalar($request->{arg} == 0)) {
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my $rsp = {};
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$rsp->{error}->[0] =
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"No parameters input to the $command command, see man page for syntax.";
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xCAT::MsgUtils->message("E", $rsp, $callback);
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exit 1;
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}
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my $args = $request->{arg};
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@ARGV = @{$args}; # get arguments
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my %options = ();
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$Getopt::Long::ignorecase = 0;
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Getopt::Long::Configure("bundling");
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if (
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!GetOptions(
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'a|noderange=s' => \$options{'noderange'},
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'defaultzone|defaultzone' => \$options{'defaultzone'},
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'g|assigngrp' => \$options{'assigngroup'},
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'f|force' => \$options{'force'},
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'h|help' => \$options{'help'},
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'k|sshkeypath=s' => \$options{'sshkeypath'},
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'K|genkeys' => \$options{'gensshkeys'},
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'v|version' => \$options{'version'},
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'V|Verbose' => \$options{'verbose'},
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)
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)
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{
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&usage($callback,$command);
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exit 1;
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}
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if ($options{'help'})
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{
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&usage($callback,$command);
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exit 0;
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}
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if ($options{'version'})
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{
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my $version = xCAT::Utils->Version();
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my $rsp = {};
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$rsp->{data}->[0] = $version;
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xCAT::MsgUtils->message("I", $rsp, $callback);
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exit 0;
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}
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# test to see if the zonename was input
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if (scalar(@ARGV) == 0) {
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my $rsp = {};
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$rsp->{error}->[0] =
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"zonename not specified, see man page for syntax.";
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xCAT::MsgUtils->message("E", $rsp, $callback);
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exit 1;
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} else {
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$request->{zonename} = $ARGV[0];
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}
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# save input noderange
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if ($options{'noderange'}) {
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# check to see if Management Node is in the noderange, if so error
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$request->{noderange}->[0] = $options{'noderange'};
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my @nodes = xCAT::NodeRange::noderange($request->{noderange}->[0]);
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my @mname = xCAT::Utils->noderangecontainsMn(@nodes);
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if (@mname)
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{ # MN in the nodelist
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my $nodes=join(',', @mname);
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my $rsp = {};
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$rsp->{error}->[0] =
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"You must not run $command and include the management node: $nodes.";
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xCAT::MsgUtils->message("E", $rsp, $callback, 1);
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exit 1;
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}
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# now check for service nodes in noderange. It they exist that is an error also.
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my @SN;
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my @CN;
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xCAT::ServiceNodeUtils->getSNandCPnodes(\@nodes, \@SN, \@CN);
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if (scalar(@SN))
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{ # SN in the nodelist
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my $nodes=join(',', @SN);
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my $rsp = {};
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$rsp->{error}->[0] =
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"You must not run $command and include any service nodes: $nodes.";
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xCAT::MsgUtils->message("E", $rsp, $callback, 1);
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exit 1;
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}
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# now check for service nodes in noderange. It they exist that is an error also.
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}
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if ($options{'verbose'})
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{
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$::VERBOSE = "yes";
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}
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if ($command eq "mkzone")
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{
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$rc=mkzone($request, $callback,\%options,$keydir);
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}
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if ($command eq "chzone")
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{
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$rc=chzone($request, $callback,\%options,$keydir);
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}
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if ($command eq "rmzone")
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{
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$rc=rmzone($request, $callback,\%options,$keydir);
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}
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my $rsp = {};
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if ($rc ==0) {
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$rsp->{info}->[0] = "The $command ran successfully.";
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xCAT::MsgUtils->message("I", $rsp, $callback);
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} else {
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$rsp->{info}->[0] = "The $command had errors.";
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xCAT::MsgUtils->message("E", $rsp, $callback);
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}
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return $rc;
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}
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#-------------------------------------------------------
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=head3
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Parses and runs mkzone
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=cut
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#-------------------------------------------------------
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sub mkzone
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{
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my ($request, $callback,$options,$keydir) = @_;
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my $rc=0;
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# already checked but lets do it again, need a zonename, it is the only required parm
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if (!($request->{zonename})) {
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my $rsp = {};
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$rsp->{error}->[0] =
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"zonename not specified, see man page for syntax.";
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xCAT::MsgUtils->message("E", $rsp, $callback);
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return 1;
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}
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# test for -g, if no noderange this is an error
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if (( ! defined($$options{'noderange'})) && ($$options{'assigngroup'})) {
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my $rsp = {};
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$rsp->{error}->[0] =
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" The -g flag requires a noderange ( -a).";
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xCAT::MsgUtils->message("E", $rsp, $callback);
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return 1;
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}
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# check to see if the input zone already exists
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if (xCAT::Zone->iszonedefined($request->{zonename})) {
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my $rsp = {};
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$rsp->{error}->[0] =
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" zonename: $request->{zonename} already defined, use chzone or rmzone to change or remove it.";
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xCAT::MsgUtils->message("E", $rsp, $callback);
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return 1;
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}
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# Create path to generated ssh keys
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$keydir .= $request->{zonename};
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# update the zone table
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$rc=updatezonetable($request, $callback,$options,$keydir);
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if ($rc == 0) { # zone table setup is ok
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$rc=updatenodelisttable($request, $callback,$options,$keydir);
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if ($rc == 0) { # zone table setup is ok
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# generate root ssh keys
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$rc=gensshkeys($request, $callback,$options,$keydir);
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if ($rc != 0) {
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return 1;
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}
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}
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}
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return $rc;
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}
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#-------------------------------------------------------
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=head3
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Parses and runs chzone
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=cut
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#-------------------------------------------------------
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sub chzone
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{
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my ($request, $callback,$options,$keydir) = @_;
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# my $rsp = {};
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#xCAT::MsgUtils->message("I", $rsp, $callback);
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return 0;
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}
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#-------------------------------------------------------
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=head3
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Parses and runs rmzone
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=cut
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#-------------------------------------------------------
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sub rmzone
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{
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my ($request, $callback,$options,$keydir) = @_;
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# my $rsp = {};
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#xCAT::MsgUtils->message("I", $rsp, $callback);
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return 0;
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}
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#-------------------------------------------------------------------------------
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=head3
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usage
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puts out zone command usage message
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Arguments:
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None
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Returns:
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Globals:
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Error:
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None
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=cut
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#-------------------------------------------------------------------------------
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sub usage
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{
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my ($callback, $command) = @_;
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my $usagemsg1="";
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my $usagemsg2="";
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if ($command eq "mkzone") {
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$usagemsg1 = " mkzone -h \n mkzone -v \n";
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$usagemsg2 = " mkzone <zonename> [-V] [--defaultzone] [-k <full path to the ssh RSA private key] \n [-a <noderange>] [-g] [-f]";
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} else {
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if ($command eq "chzone") {
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$usagemsg1 = " chzone -h \n chzone -v \n";
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$usagemsg2 = " chzone <zonename> [-V] [--defaultzone] [-k <full path to the ssh RSA private key] \n [-K] [-a <noderange>] [-r <noderange>] [-g] ";
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} else {
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if ($command eq "rmzone") {
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$usagemsg1 = " rmzone -h \n rmzone -v \n";
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$usagemsg2 = " rmzone <zonename> [-g]";
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}
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}
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}
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my $usagemsg .= $usagemsg1 .= $usagemsg2 .= "\n";
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if ($callback)
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{
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my $rsp = {};
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$rsp->{data}->[0] = $usagemsg;
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xCAT::MsgUtils->message("I", $rsp, $callback);
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}
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else
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{
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xCAT::MsgUtils->message("I", $usagemsg);
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}
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return;
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}
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#-------------------------------------------------------
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=head3
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generate the ssh keys and store them in /etc/xcat/sshkeys/<zonename>
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=cut
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#-------------------------------------------------------
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sub gensshkeys
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{
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my ($request, $callback,$options,$keydir) = @_;
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my $rc=0;
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# generate root ssh keys
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# Did they input a path to existing RSA keys
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my $rsakey;
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my $zonename=$request->{zonename};
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if ($$options{'sshkeypath'}) {
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# check to see if RSA keys exists
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$rsakey= $$options{'sshkeypath'} .= "/id_rsa";
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if (!(-e $rsakey)){ # if it does not exist error out
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my $rsp = {};
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$rsp->{error}->[0] =
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"Input $rsakey does not exist. Cannot generate the ssh root keys for the zone.";
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xCAT::MsgUtils->message("E", $rsp, $callback);
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return 1;
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}
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}
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$rc =xCAT::Zone->genSSHRootKeys($callback,$keydir, $zonename,$rsakey);
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if ($rc !=0) {
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my $rsp = {};
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$rsp->{error}->[0] =
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" Failure generating the ssh root keys for the zone.";
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xCAT::MsgUtils->message("E", $rsp, $callback);
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return 1;
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}
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return $rc;
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}
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#-------------------------------------------------------
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=head3
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updatezonetable
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Add the new zone to the zone table, check if already there and
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error - use either chzone or -f to override default
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=cut
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#-------------------------------------------------------
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sub updatezonetable
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{
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my ($request, $callback,$options,$keydir) = @_;
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my $rc=0;
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my $zoneentry;
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my $tab = xCAT::Table->new("zone");
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if ($tab)
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{
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my %tb_cols;
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$tb_cols{sshkeydir} = $keydir;
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my $zonename=$request->{zonename};
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if ( $$options{'defaultzone'}) { # set the default
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# check to see if a default already defined
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my $curdefaultzone = xCAT::Zone->getdefaultzone($callback);
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if (!(defined ($curdefaultzone))) { # no default defined
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$tb_cols{defaultzone} ="yes";
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} else { # already a default
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if ($$options{'force'}) { # force the default
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$tb_cols{defaultzone} ="yes";
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$tab->setAttribs({zonename => $zonename}, \%tb_cols);
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# now change the old default zone to not be the default
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my %tb1_cols;
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$tb1_cols{defaultzone} ="no";
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$tab->setAttribs({zonename => $curdefaultzone}, \%tb1_cols);
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$tab->commit();
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$tab->close();
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} else { # no force this is an error
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my $rsp = {};
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$rsp->{error}->[0] =
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" Failure setting default zone. The defaultzone $curdefaultzone already exists. Use the -f flag if you want to override the current default zone.";
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xCAT::MsgUtils->message("E", $rsp, $callback);
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return 1;
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}
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}
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} else { # not a default zone
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$tb_cols{defaultzone} ="no";
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$tab->setAttribs({zonename => $zonename}, \%tb_cols);
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$tab->commit();
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$tab->close();
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}
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} else {
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my $rsp = {};
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$rsp->{error}->[0] =
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" Failure opening the zone table.";
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xCAT::MsgUtils->message("E", $rsp, $callback);
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return 1;
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}
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return $rc;
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}
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#-------------------------------------------------------
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=head3
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updatenodelisttable
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Add the new zonename attribute to any nodes in the noderange ( if a noderange specified)
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Add zonename group to nodes in the noderange if -g flag.
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=cut
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#-------------------------------------------------------
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sub updatenodelisttable
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{
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my ($request, $callback,$options,$keydir) = @_;
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my $rc=0;
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# test for a noderange, if not supplied nothing to do
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if ( ! defined($$options{'noderange'})) {
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return 0;
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}
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my $zonename=$request->{zonename};
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# there is a node range. update the nodelist table
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# if -g add zonename group also
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my $group=$$options{'noderange'};
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my @nodes = xCAT::NodeRange::noderange($request->{noderange}->[0]);
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my $tab = xCAT::Table->new("nodelist");
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if ($tab)
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{
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# if -g then add the zonename to the group attribute on each node
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if ($$options{'assigngroup'}){
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foreach my $node (@nodes) {
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xCAT::TableUtils->updatenodegroups($node,$tab,$zonename);
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}
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}
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# set the nodelist zonename attribute to the zonename for all nodes in the range
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$tab-> setNodesAttribs(\@nodes, { zonename => $zonename });
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$tab->commit();
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$tab->close();
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} else {
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my $rsp = {};
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$rsp->{error}->[0] =
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" Failure opening the nodelist table.";
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xCAT::MsgUtils->message("E", $rsp, $callback);
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return 1;
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}
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return $rc;
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}
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1;
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