mirror of
https://github.com/xcat2/xcat-core.git
synced 2025-10-31 03:12:30 +00:00
130 lines
3.5 KiB
Perl
Executable File
130 lines
3.5 KiB
Perl
Executable File
#!/usr/bin/env perl
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# IBM(c) 2017 EPL license http://www.eclipse.org/legal/epl-v10.html
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use Fcntl qw(:DEFAULT :flock);
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use Time::HiRes qw(sleep);
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use File::Path;
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use IO::Socket;
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BEGIN {
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$::XCATROOT = $ENV{'XCATROOT'} ? $ENV{'XCATROOT'} : -d '/opt/xcat' ? '/opt/xcat' : '/usr';
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}
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my $sleepint = int(rand(10)); #Stagger start to avoid overwhelming conserver/xCATd
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my ($lockfd, $bmcip);
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my $username = 'root';
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my $password = '0penBmc';
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my $node = $ARGV[0];
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use constant CONSOLE_LOCK_FILE => "/tmp/xcat/consolelock";
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use constant CONSOLE_LOCK_DIR => "/tmp/xcat";
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sub acquire_lock {
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umask 0077;
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mkpath(CONSOLE_LOCK_DIR);
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print "Acquiring startup lock...";
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unless (sysopen($lockfd, CONSOLE_LOCK_FILE, O_WRONLY | O_CREAT)) {
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print "Unable to open file ".CONSOLE_LOCK_FILE."\n";
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sleep(15);
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exit 1;
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}
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unless (flock($lockfd, LOCK_EX)) {
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print "Unable to lock file ".CONSOLE_LOCK_FILE."\n";
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close($lockfd);
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sleep(15);
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exit 1;
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}
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print "done\n";
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unless (syswrite($lockfd, $$, length($$))) {
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print "Unable to write file ".CONSOLE_LOCK_FILE."\n";
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close($lockfd);
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sleep(15);
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exit 1;
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}
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}
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sub release_lock {
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flock($lockfd, LOCK_UN);
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close($lockfd);
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}
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use lib "$::XCATROOT/lib/perl";
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require xCAT::Client;
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sub getans {
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my $rsp = shift;
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if ($rsp->{node}) {
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$bmcip = $rsp->{node}->[0]->{bmcip}->[0];
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$username = $rsp->{node}->[0]->{username}->[0];
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$password = $rsp->{node}->[0]->{passwd}->[0];
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if (exists $rsp->{node}->[0]->{error}) {
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my $error = $rsp->{node}->[0]->{error}->[0];
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print "$error\n";
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}
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}
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}
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my $cmdref = {
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command => ["getopenbmccons"],
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arg => ["text"],
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node => [ $ARGV[0] ]
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};
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acquire_lock();
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# avoid of congestion
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sleep(0.1);
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release_lock();
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xCAT::Client::submit_request($cmdref, \&getans);
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until (($username or $password) and $bmcip ) {
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#Let other clients have a go
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$sleepint = 10 + int(rand(20));
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print "Console not ready, retrying in $sleepint seconds (Ctrl-e,c,o to skip delay) \n";
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sleep ($sleepint);
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acquire_lock();
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sleep(0.1);
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release_lock();
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xCAT::Client::submit_request($cmdref, \&getans);
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}
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my $isintel = 0;
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my $sleepint;
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my $rc;
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my $sshport = 2200;
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if ($ENV{SSHCONSOLEPORT}) {
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$sshport= $ENV{SSHCONSOLEPORT};
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}
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#check if sshport is up
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my $sock = IO::Socket::INET->new(
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PeerAddr => $bmcip,
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PeerPort => $sshport,
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Proto => "tcp",
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Timeout => 10
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);
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while (!defined($sock)) {
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$sleepint = 10 + int(rand(20));
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print "No BMC active at IP $bmcip, retrying in $sleepint seconds (Hit Ctrl-E,c,o to skip)\n";
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sleep ($sleepint);
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acquire_lock();
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sleep(0.1);
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release_lock();
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$sock = IO::Socket::INET->new(
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PeerAddr => $bmcip,
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PeerPort => $sshport,
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Proto => "tcp",
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Timeout => 10
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);
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}
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$sock->close();
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# To automatically connect to the console without the need to send over the ssh keys,
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# ensure sshpass is installed on the Management and/or Service Nodes.
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print "Unable to open console. If BMC pings, ensure sshpass is installed or ssh keys have been configured on the BMC.\n";
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if (-x '/usr/bin/sshpass') {
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exec "/usr/bin/sshpass -p $password ssh -p $sshport -l $username -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null $bmcip";
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} else {
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exec "ssh -p $sshport -l $username -o PasswordAuthentication=no -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null $bmcip";
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}
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