326 lines
9.3 KiB
Plaintext
326 lines
9.3 KiB
Plaintext
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#!/usr/bin/env perl
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# IBM(c) 2007 EPL license http://www.eclipse.org/legal/epl-v10.html
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use Fcntl qw(:DEFAULT :flock);
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use strict;
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sub get_lock {
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unless (flock(LOCKHANDLE,LOCK_EX|LOCK_NB)) {
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$| = 1;
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print "Acquiring startup lock...";
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flock(LOCKHANDLE,LOCK_EX) or die "Error trying to secure a startup lock";
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print "done\n";
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}
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truncate(LOCKHANDLE,0);
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print LOCKHANDLE $$."\n";
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}
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sub release_lock {
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truncate(LOCKHANDLE,0);
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flock(LOCKHANDLE,LOCK_UN);
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}
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BEGIN
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{
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use Time::HiRes qw(sleep);
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use File::Path;
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use Fcntl qw(:DEFAULT :flock);
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$::XCATROOT = $ENV{'XCATROOT'} ? $ENV{'XCATROOT'} : '/opt/xcat';
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umask 0077;
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mkpath("/tmp/xcat/");
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unless (sysopen(LOCKHANDLE,"/tmp/xcat/consolelock",O_WRONLY | O_CREAT)) {
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sleep 15;
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print "Unable to open lock file";
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exit 0;
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}
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get_lock();
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my $sleepint=int(rand(10)); #Stagger start to avoid overwhelming conserver/xCATd
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print "Opening console in ".(2+(0.5*$sleepint))." seconds...\n";
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sleep $sleepint;
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}
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my $sleepint=int(rand(10));
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use lib "$::XCATROOT/lib/perl";
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require xCAT::Client;
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use strict;
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#use Getopt::Long;
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#use xCAT::Table;
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#use xCAT::PPCdb;
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use xCAT::PPCcli qw(SUCCESS EXPECT_ERROR RC_ERROR NR_ERROR);
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use Data::Dumper;
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require File::Basename;
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import File::Basename;
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my $scriptname = $0;
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##############################################
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# Globals
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##############################################
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my $verbose = 0;
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my $node;
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my $host;
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my $lparid;
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my $mtms;
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my @cred;
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my $credencial;
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##########################################
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# Database errors
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##########################################
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#my %errmsg = (
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# NODE_UNDEF =>"Node not defined in '%s' database",
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# NO_ATTR =>"'%s' not defined in '%s' database",
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# DB_UNDEF =>"'%s' database not defined"
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#);
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##########################################################################
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# Parse the command line for options and operands
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##########################################################################
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#sub parse_args {
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#
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# my %opt = ();
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# my @VERSION = qw( 2.0 );
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#
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# #############################################
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# # Responds with usage statement
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# #############################################
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# local *usage = sub {
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#
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# my $cmd = __FILE__;
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# $cmd =~ s/.*([\w]{3}$)/$1/;
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#
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# if ( defined( $_[0] )) {
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# print STDERR "$_[0]\n";
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# }
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# my @msg = (
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# "$cmd -h|--help\n",
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# "$cmd -v|--version\n",
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# "$cmd singlenode [-V|-Verbose]\n" );
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# print STDERR @msg;
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# };
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# #############################################
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# # Process command-line arguments
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# #############################################
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# if ( !defined( @ARGV )) {
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# usage( "No node specified" );
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# return(1);
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# }
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# #############################################
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# # Checks case in GetOptions, allows opts
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# # to be grouped (e.g. -vx), and terminates
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# # at the first unrecognized option.
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# #############################################
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# $Getopt::Long::ignorecase = 0;
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# Getopt::Long::Configure( "bundling" );
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#
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# if ( !GetOptions( \%opt, qw(h|help V|Verbose v|version) )) {
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# usage();
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# return(1);
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# }
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# #######################################
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# # Option -h for Help
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# #######################################
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# if ( exists( $opt{h} )) {
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# usage();
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# return(1);
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# }
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# #######################################
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# # Option -v for version
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# #######################################
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# if ( exists( $opt{v} )) {
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# print STDERR \@VERSION;
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# return(1);
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# }
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# #######################################
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# # Option -V for verbose output
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# #######################################
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# if ( exists( $opt{V} )) {
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# $verbose = 1;
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# }
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# #######################################
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# # Check for "-" with no option
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# #######################################
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# if ( grep(/^-$/, @ARGV )) {
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# usage( "Missing option: -" );
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# return(1);
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# }
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# #######################################
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# # Get node
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# #######################################
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# if ( !defined( $ARGV[0] )) {
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# usage( "No node specified" );
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# return(1);
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# }
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# #######################################
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# # Check for extra argument
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# #######################################
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# $node = shift @ARGV;
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# if ( defined( $ARGV[0] )) {
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# usage( "Invalid Argument: $ARGV[0]" );
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# return(1);
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# }
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# return(0);
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#}
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##########################################################################
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# Open remote console
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##########################################################################
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sub invoke_cmd {
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#my @attribs = qw(id parent hcp);
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#my %tabs = ();
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#
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###################################
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## Open databases needed
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###################################
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#foreach ( qw(ppc vpd nodetype) ) {
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# $tabs{$_} = xCAT::Table->new($_);
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#
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# if ( !exists( $tabs{$_} )) {
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# return( sprintf( $errmsg{DB_UNDEF}, $_ ));
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# }
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#}
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###################################
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## Get node power type
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###################################
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#my $hwtype = __FILE__;
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#$hwtype =~ s/.*([\w]{3})$/$1/;
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#
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##################################
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## Get node type
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##################################
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#my ($ent) = $tabs{nodetype}->getNodeAttribs($node, ["nodetype"] );
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#if ( !defined( $ent )) {
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# return( sprintf( $errmsg{NODE_UNDEF}, "nodetype" ));
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#}
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##################################
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## Check for type
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##################################
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#if ( !exists( $ent->{nodetype} )) {
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# return( sprintf( $errmsg{NO_ATTR}, $ent->{nodetype},"nodetype" ));
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#}
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##################################
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## Check for valid "type"
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##################################
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#my @types = split /,/, $ent->{nodetype};
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#my ($type) = grep( /^(lpar|osi)$/, @types );
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#
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#if ( !defined( $type )) {
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# return( "Invalid node type: $ent->{nodetype}" );
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#}
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##################################
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## Get attributes
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##################################
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#my ($att) = $tabs{ppc}->getAttribs({'node'=>$node}, @attribs );
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#
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#if ( !defined( $att )) {
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# return( sprintf( $errmsg{NODE_UNDEF}, "ppc" ));
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#}
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##################################
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## Verify required attributes
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##################################
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#foreach my $at ( @attribs ) {
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# if ( !exists( $att->{$at} )) {
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# return( sprintf( $errmsg{NO_ATTR}, $at, "ppc" ));
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# }
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#}
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##################################
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## Find MTMS in vpd database
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##################################
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#my @attrs = qw(mtm serial);
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#my ($vpd) = $tabs{vpd}->getNodeAttribs($att->{parent}, \@attrs );
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#
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#if ( !defined( $vpd )) {
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# return( sprintf( $errmsg{NODE_UNDEF}, "vpd" ));
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#}
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#################################
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## Verify both vpd attributes
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#################################
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#foreach ( @attrs ) {
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# if ( !exists( $vpd->{$_} )) {
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# return( sprintf( $errmsg{NO_ATTR}, $_, "vpd" ));
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# }
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#}
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#my $mtms = "$vpd->{mtm}*$vpd->{serial}";
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#my $host = $att->{hcp};
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#my $lparid = $att->{id};
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#$type = "lpar";
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my $type = "lpar";
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my $hwtype = "ivm";
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my %request = (
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ppcretry => 1,
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verbose => $verbose
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);
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#################################
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# Get userid and password
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#################################
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#my @cred = xCAT::PPCdb::credentials( $host, $hwtype );
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@cred = split(/,/, $credencial);
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$request{$host}{cred} = \@cred;
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#################################
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# Connect to the remote server
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#################################
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my @exp = xCAT::PPCcli::connect( \%request, $hwtype, $host );
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if ( ref($exp[0]) ne "Expect" ) {
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return( $exp[0] );
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}
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#################################
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# Open console connection
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#################################
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my $result = xCAT::PPCcli::mkvterm( \@exp, $type, $lparid, $mtms );
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my $Rc = shift(@$result);
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if ( $Rc != SUCCESS ) {
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return( @$result[0] );
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}
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return(0);
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}
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##############################################
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# Start main body of code
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##############################################
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#if ( parse_args() ) {
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# exit(1);
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#}
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sub getans {
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my $rsp = shift;
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if ($rsp->{node}) {
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$host = $rsp->{node}->[0]->{host}->[0];
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$lparid = $rsp->{node}->[0]->{lparid}->[0];
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$mtms = $rsp->{node}->[0]->{mtms}->[0];
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$credencial = $rsp->{node}->[0]->{cred}->[0];
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}
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}
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my $cmdref={
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command=>["gethmccon"],
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arg=>["text"],
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noderange=>[$ARGV[0]]
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};
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xCAT::Client::submit_request($cmdref,\&getans);
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until ($lparid and $host and $mtms) {
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release_lock(); #Let other clients have a go
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$sleepint=10+int(rand(20)); #Stagger to minimize lock collisions, but no big deal when it does happen
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print "Console not ready, retrying in $sleepint seconds (Hit Ctrl-E,c,o to skip delay)\n";
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sleep $sleepint;
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get_lock();
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xCAT::Client::submit_request($cmdref,\&getans);
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}
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release_lock(); #done with xcatd, can run with near impunity
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$node = $ARGV[0];
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my $result = invoke_cmd($host, $lparid, $mtms);
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if ( $result ne "0" ) {
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print STDERR "$node: $result\n";
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exit(1);
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}
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exit(0);
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