109 lines
2.7 KiB
Plaintext
109 lines
2.7 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 IO::Socket::SSL;
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use XML::Simple;
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use Data::Dumper;
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use IO::Handle;
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use IO::Select;
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use xCAT::Utils;
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use Getopt::Long;
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use POSIX qw(:signal_h :errno_h :sys_wait_h);
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my $interface;
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Getopt::Long::Configure("require_order");
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GetOptions(
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"interface=s" => \$interface,
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);
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my %nodehdl;
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my $xcathost='localhost:3001';
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if ($ENV{XCATHOST}) {
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$xcathost=$ENV{XCATHOST};
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}
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my $pshmaxp = 64; #TODO: should this be server dictated or local conf?
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unless (@ARGV) {
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print "Usage: psh [-i <suffix] <noderange> <command>\n";
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}
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my $noderange = $ARGV[0];
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my $client = IO::Socket::SSL->new(
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PeerAddr=>$xcathost,
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SSL_key_file=>$ENV{HOME}."/.xcat/client-key.pem",
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SSL_cert_file=>$ENV{HOME}."/.xcat/client-cert.pem",
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SSL_ca_file => $ENV{HOME}."/.xcat/ca.pem",
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SSL_use_cert => 1,
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#SSL_verify_mode => 1,
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);
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die "Connection failure: $!\n" unless ($client);
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my %cmdref = (command => 'noderange', noderange => $noderange);
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$SIG{ALRM} = sub { die "No response getting noderange" };
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alarm(15);
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print $client XMLout(\%cmdref,RootName=>'xcatrequest', NoAttr=>1, KeyAttr => []);
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alarm(15);
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my $response="";
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my @nodes=();
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while (<$client>) {
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alarm(0);
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$response .= $_;
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if ($response =~ m/<\/xcatresponse>/) {
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$rsp=XMLin($response, ForceArray => ['node']);
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$response='';
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if ($rsp->{warning}) {
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printf "Warning: ".$rsp->{warning}."\n";
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}
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if ($rsp->{error}) {
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die ("ERROR: ".$rsp->{error}."\n");
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} elsif ($rsp->{node}) {
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@nodes=@{$rsp->{node}};
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}
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if ($rsp->{serverdone}) {
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last;
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}
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}
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}
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close($client);
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my $children = 0;
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my $inputs = new IO::Select;
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$SIG{CHLD} = sub { while (waitpid(-1,WNOHANG) > 0) { $children--; } };
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if ($interface) {
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foreach (@nodes) {
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s/$/-$interface/;
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}
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}
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foreach (@nodes) {
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my $node=$_;
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while ($children > $pshmaxp) { processoutput($inputs); }
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my $child;
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$children++;
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sshnode(\$child,$node,@ARGV[1 .. $#ARGV]);
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$inputs->add($child);
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$nodehdl{$child} = $node;
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}
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while ($children) {
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processoutput($inputs);
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}
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while (processoutput($inputs)) {};
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exit(0);
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sub processoutput { #This way, one arbiter handles output, no interrupting
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my $inputs = shift;
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my @readyins = $inputs->can_read(1);
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my $rc = @readyins;
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my $readyh;
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foreach $readyh (@readyins) {
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my $line = <$readyh>;
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unless ($line) {
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$inputs->remove($readyh);
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close($readyh);
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next;
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}
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print $nodehdl{$readyh}.": ".$line;
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}
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return $rc;
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}
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sub sshnode {
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my $out = shift;
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my $node = shift;
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my $in;
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my $args = join(" ",@_);
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open($$out,"ssh -o BatchMode=yes $node " . xCAT::Utils->quote($args) . " 2>&1 |");
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}
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