93 lines
2.4 KiB
Perl
Executable File
93 lines
2.4 KiB
Perl
Executable File
#!/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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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 "Fatal error securing 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 $sleepint=int(rand(10));
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#print "Opening console in ".(2+(0.5*$sleepint))." seconds...\n";
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#sleep $sleepint;
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}
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#BEGIN
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#{
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# use Time::HiRes qw(sleep);
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# $::XCATROOT = $ENV{'XCATROOT'} ? $ENV{'XCATROOT'} : '/opt/xcat';
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# my $sleepint=int(rand(10));
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# print "Opening console in ".(0.5*$sleepint)." seconds...\n";
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# sleep (0.5*$sleepint);
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#}
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my $sleepint;
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use lib "$::XCATROOT/lib/perl";
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require xCAT::Client;
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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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my $cmdref={
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command=>["getcons"],
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arg=>["text"],
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noderange=>[$ARGV[0]]
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};
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use Data::Dumper;
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my $dsthost;
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my $dstty;
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my $speed;
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sub getans {
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my $rsp = shift;
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if ($rsp->{node}) {
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$dsthost = $rsp->{node}->[0]->{sshhost}->[0];
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$dstty = $rsp->{node}->[0]->{psuedotty}->[0];
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$speed = $rsp->{node}->[0]->{baudrate}->[0];
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}
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}
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xCAT::Client::submit_request($cmdref,\&getans);
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until ($dsthost and $speed and $dstty) {
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release_lock();
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$sleepint=int(rand(30))+60;
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print "Console not ready, retrying in $sleepint seconds (Ctrl-C to skip delay)\n";
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exec "sleep $sleepint";
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}
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release_lock();
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# The screen command needs the TERM env var,
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# TERM might be empty for some unknown reasons,
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# for example, on SLES 12 and on PowerKVM
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if (!$ENV{'TERM'}) {
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$ENV{'TERM'}="vt100";
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}
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exec "ssh -t $dsthost screen -U -a -O -e ^]a -d -R -S serial-".$ARGV[0]."-cons -A $dstty $speed";
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#my $pathtochild= dirname($scriptname). "/";
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#exec $pathtochild."blade.expect $mm $slot $username $password";
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