xcat-core/xCAT-server/share/xcat/cons/hpblade

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#!/usr/bin/env perl
#
# © Copyright 2009 Hewlett-Packard Development Company, L.P.
# EPL license http://www.eclipse.org/legal/epl-v10.html
#
# Revision history:
# August, 2009 blade adapted to generate hpblade
#
use Fcntl qw(:DEFAULT :flock);
sub get_lock {
unless (flock(LOCKHANDLE,LOCK_EX|LOCK_NB)) {
$| = 1;
print "Acquiring startup lock...";
flock(LOCKHANDLE,LOCK_EX) or die "Error trying to secure a startup lock";
print "done\n";
}
truncate(LOCKHANDLE,0);
print LOCKHANDLE $$."\n";
}
sub release_lock {
truncate(LOCKHANDLE,0);
flock(LOCKHANDLE,LOCK_UN);
}
BEGIN
{
use Time::HiRes qw(sleep);
use File::Path;
use Fcntl qw(:DEFAULT :flock);
$::XCATROOT = $ENV{'XCATROOT'} ? $ENV{'XCATROOT'} : '/opt/xcat';
umask 0077;
mkpath("/tmp/xcat/");
unless (sysopen(LOCKHANDLE,"/tmp/xcat/consolelock",O_WRONLY | O_CREAT)) {
sleep 15;
print "Unable to open lock file";
exit 0;
}
get_lock();
#my $sleepint=int(rand(10)); #Stagger start to avoid overwhelming conserver/xCATd
#print "Opening console in ".(2+(0.5*$sleepint))." seconds...\n";
#sleep $sleepint;
}
my $sleepint=int(rand(10)); #Stagger start to avoid overwhelming conserver/xCATd
use lib "$::XCATROOT/lib/perl";
$ENV{HOME}='/root/';
require xCAT::Client;
require File::Basename;
import File::Basename;
my $scriptname = $0;
#$mptab = xCAT::Table->new('mp');
#unless ($mptab) {
#sleep 5; #Try not to overwhelm logfiles...
# die "mp table must be configured";
#}
#$mpatab = xCAT::Table->new('mpa');
#$passtab = xCAT::Table->new('passwd');
my $username = "admin";
my $passsword = "PASSW0RD";
my $mm;
my $slot;
#my $dba;
#if ($passtab) {
# ($dba) = $passtab->getAttribs({key=>blade},qw(username password));
# if ($dba->{username}) {
# $username = $dba->{username};
# }
# if ($dba->{password}) {
# $password = $dba->{password};
# }
#}
#$dba = $mptab->getNodeAttribs($ARGV[0],[qw(mpa id)]);
#$mm = $dba->{mpa};
#$slot = $dba->{id};
#if ($mpatab) {
# ($dba) = $mpatab->getAttribs({mpa=>$mm},qw(username password));
# if ($dba) {
# if ($dba->{username}) { $username = $dba->{username}; }
# if ($dba->{password}) { $password = $dba->{password}; }
# }
#}
#xCAT::Utils::close_all_dbhs;
#sleep 5; #Slow start, I know, but with exec, can't return
sub getans {
my $rsp = shift;
if ($rsp->{node}) {
$mm = $rsp->{node}->[0]->{mm}->[0];
$username = $rsp->{node}->[0]->{username}->[0];
$slot = $rsp->{node}->[0]->{slot}->[0];
}
}
my $cmdref={
command=>"gethpbladecons",
arg=>"text",
noderange=>$ARGV[0]
};
xCAT::Client::submit_request($cmdref,\&getans);
until ($mm and $username and $slot) {
release_lock(); #Let other clients have a go
$sleepint=10+int(rand(20)); #Stagger to minimize lock collisions, but no big deal when it does happen
print "Console not ready, retrying in $sleepint seconds (Hit Ctrl-E,c,o to skip delay)\n";
sleep $sleepint;
get_lock();
xCAT::Client::submit_request($cmdref,\&getans);
}
release_lock(); #done with xcatd, can run with near impunity
$sleepint=10+int(rand(30)); #Stagger sleep to take it easy on AMM/hosting server
exec "ssh -t $username"."@"."$mm";
my $pathtochild= dirname($scriptname). "/";
#exec $pathtochild."hpblade.expect";
#SECURITY: In this case, the authentication is expected to be done using the script user's ssh keys. As such,
#this script does not receive any particularly sensitive data from the xCAT server.