git-svn-id: https://svn.code.sf.net/p/xcat/code/xcat-core/trunk@5843 8638fb3e-16cb-4fca-ae20-7b5d299a9bcd
		
			
				
	
	
		
			239 lines
		
	
	
		
			7.0 KiB
		
	
	
	
		
			Perl
		
	
	
	
	
	
			
		
		
	
	
			239 lines
		
	
	
		
			7.0 KiB
		
	
	
	
		
			Perl
		
	
	
	
	
	
#!/usr/bin/env perl -w
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# IBM(c) 2007 EPL license http://www.eclipse.org/legal/epl-v10.html
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#####################################################
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#
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#   xCAT script resource for NIM (AIX nodes)
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#
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#####################################################
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# if AIX - make sure we include perl 5.8.2 in INC path.
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#       Needed to find perl dependencies shipped in deps tarball.
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if ($^O =~ /^aix/i) {
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        use lib "/usr/opt/perl5/lib/5.8.2/aix-thread-multi";
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        use lib "/usr/opt/perl5/lib/5.8.2";
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        use lib "/usr/opt/perl5/lib/site_perl/5.8.2/aix-thread-multi";
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        use lib "/usr/opt/perl5/lib/site_perl/5.8.2";
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}
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use File::Path;
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use IO::Socket;
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my $useSocketSSL=eval { require IO::Socket::SSL; };
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use Getopt::Long;
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use XML::Simple;
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# since we don't have syslog set up yet we'll
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# just save msgs in a local log file
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$logdir = "/var/log/xcat";
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if (!-d $logdir) {
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	mkpath($logdir);
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}
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$::sdate = `/bin/date`;
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chomp $::sdate;
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my $logfile = $logdir . "/xcat.log";
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# this log should not contain much so it might be ok to let it grow?
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# at least we'll have the errors preserved
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open(LOGFILE,">>",$logfile);
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$::LOG_FILE = \*LOGFILE;
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# get hostname
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$::shorthost = `hostname -s`;
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chomp $::shorthost;
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my $servnode;
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# get the name of my service node/NIM master from the /etc/niminfo file
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if (-f "/etc/niminfo") {
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   	$cmd = "cat /etc/niminfo | grep 'NIM_MASTER_HOSTNAME'";
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   	&runcmd($cmd);
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   	my $SNline = $::outref;
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	my $junk;
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   	($junk, $servnode) =  split(/=/, $SNline);
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	# save the servnode from niminfo in xcatinfo
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	my $xcatinfo="/etc/xcatinfo";
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	open(XCATINFO,">",$xcatinfo);
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	print XCATINFO "XCATSERVER=$servnode\n";
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	close(XCATINFO);
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} else {
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	print "$::sdate  xcataixpost: Could not find /etc/niminfo file.\n";
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   	print $::LOG_FILE "$::sdate  xcataixscript: Could not find /etc/niminfo file.\n";
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}
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$servnode =~ s/^\s*//;
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chomp $servnode;
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# create the xcatpost dir
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my $cmd = "mkdir -m 755 -p /xcatpost";
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if (&runcmd($cmd) != 0) {
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	print "$::sdate xcataixpost: Could not make the /xcatpost directory.\n";
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	print $::LOG_FILE "$::sdate xcataixpost: Could not make the /xcatpost directory.\n";
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}
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# need to find out what dir to mount - so need to get INSTALLDIR attribute
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#	from the node-specific script
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# request the xCAT postscript for this particular node
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$scriptname = "/xcatpost/myxcatpost_" . $::shorthost;
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if (&getmypost != 0) {
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    print "$::sdate xcataixpost: Could not get the xCAT post script for this node.\n";
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    print $::LOG_FILE "$::sdate xcataixpost: Could not get the xCAT post script for this node.\n";
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}
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my $installdir;
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if (-f $scriptname) {
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    my $cmd = "cat $scriptname | grep 'INSTALLDIR='";
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    &runcmd($cmd);
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    my $Sline = $::outref;
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    my $junk;
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    ($junk, $installdir) =  split(/=/, $Sline);
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    chomp $installdir;
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    $installdir =~ s/^\s*//;
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	$installdir =~ s/^(\'|\")(.*)(\"|\')$/$2/; # remove any surrounding quotes
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}
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if (!$installdir) {
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	$installdir="/install";
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}
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# get the contents of the $installdir/postscripts dir on the server
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#   - mount dir from server and copy files
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my $mcmd = "mkdir -p /xcatmnt; mount -o nolock $servnode:$installdir/postscripts /xcatmnt";
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if (&runcmd($mcmd) != 0) {
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    print "$::sdate xcataixpost: Could not mount $installdir/postscripts from $servnode.\n";
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    print $::LOG_FILE "$::sdate xcataixpost: Could not mount $installdir/postscripts from $servnode.\n";
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}
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my $cpcmd;
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if ((@ARGV==0) || ($ARGV[0] != 2)) {
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    $cpcmd = "cp -r /xcatmnt/* /xcatpost >/dev/null 2>&1";
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} else {
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    # when argv[1]=2, there is only one postscript file,
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    #   user wants only download it to save time
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    $cpcmd= "cp /xcatmnt/$ARGV[1] /xcatpost >/dev/null 2>&1";
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}
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if (&runcmd($cpcmd) != 0) {
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    print "$::sdate xcataixpost: Could not copy postscripts to /xcatpost.\n";
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    print $::LOG_FILE "$::sdate xcataixpost: Could not copy postscripts to /xcatpost.\n";
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}
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# make sure all are executable
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my $chcmd = "chmod +x /xcatpost/*";
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if (&runcmd($chcmd) != 0) {
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    print "$::sdate xcataixpost: Could not change /xcatpost file permissions.\n";
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    print $::LOG_FILE "$::sdate xcataixpost: Could not change /xcatpost file permissions.\n";
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}
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my $ucmd = "umount /xcatmnt; rmdir /xcatmnt";
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if (&runcmd($ucmd) != 0) {
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    print "$::sdate xcataixpost: Could not unmount $installdir.\n";
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    print $::LOG_FILE "$::sdate xcataixpost: Could not unmount $installdir/postscripts.\n";
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}
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# add xcatd to /etc/inittab???
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# see if it is already there
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my $lsicmd = "/usr/sbin/lsitab xcat > /dev/null 2>&1";
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if (&runcmd($lsicmd) != 0) {
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	# ok - create the entry
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	my $mkitab_cmd = 'mkitab "xcat:2:wait:/xcatpost/xcataixpost > /dev/console 2>&1"';
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	if (&runcmd($mkitab_cmd) != 0) {
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		print "$::sdate xcataixpost: Could not add xcataixpost to /etc/inittab.\n";
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		print $::LOG_FILE "$::sdate xcataixpost: Could not add xcataixpost to /etc/inittab.\n";
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	}
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}
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close($::LOG_FILE);
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exit 0;
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#####################################################
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#
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#   getmypost
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#               Get the xCAT post script info for this node
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#					and write it to a file 
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#
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#####################################################
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sub  getmypost {
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	my $port = "3001";
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	# open a socket to request credentials
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    my $remote = IO::Socket::SSL->new(
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        PeerAddr => $servnode,
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        PeerPort  => $port,
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        Proto    => 'tcp',
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    );
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	unless ($remote) {
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        print "$::sdate  xcataixpost: Cannot connect to host \'$servnode\'\n";
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        print $::LOG_FILE "$::sdate  xcataixpost: Cannot connect to host \'$servnode\'\n";
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        return 1;
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    }
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	if (!open(POSTSCRIPT, ">$scriptname") ) {
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        print "$::sdate  xcataixpost: Could not open $scriptname.\n";
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        print $::LOG_FILE "$::sdate  xcataixpost: Could not open $scriptname.\n"
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;
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        close $remote;
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        return 1;
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    }
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    # setup the perl library path for xcat-dep packages
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    # this is necessary for AIX 5.3V/61H and beyond
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    # but does not hurt old AIX versions
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    print POSTSCRIPT "PERL5LIB='/usr/opt/perl5/lib/5.8.2:/usr/opt/perl5/lib/5.8.2/aix-thread-multi:/usr/opt/perl5/lib/site_perl/5.8.2:/usr/opt/perl5/lib/site_perl/5.8.2/aix-thread-multi'\n";
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    print POSTSCRIPT "export PERL5LIB\n";
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	# request must be in XML format
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    print $remote "<xcatrequest>\n";
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    print $remote "   <command>getpostscript</command>\n";
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    print $remote "</xcatrequest>\n";
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	# get reponse in XML format
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	my $response='';
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	my $rsp;
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	while (<$remote>) {
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		$response .= $_;
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		if ($response =~ m/<\/xcatresponse>/) {
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			$rsp = eval { XMLin($response,SuppressEmpty=>undef,ForceArray=>1) };
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			if ($rsp->{serverdone}) {
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				last;			
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			}
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			foreach my $line (@{$rsp->{data}}) {
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				$line =~ s/^\s+//;    # strip any leading spaces
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				print POSTSCRIPT "$line";
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			}
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			$response='';
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		}
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    }
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	close(POSTSCRIPT);
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    close $remote;
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    return 0;
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}
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#####################################################
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#
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# run the command
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#
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#####################################################
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sub runcmd
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{
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    my ($cmd) = @_;
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	my $rc=0;
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    $cmd .= ' 2>&1' ;
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    $::outref = `$cmd`;
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    if ($?)
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    {
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        $rc = $? >> 8;
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        if ($rc > 0)
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        {
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		print "$::sdate  xcataixpost: $::outref\n";
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		print $::LOG_FILE "$::sdate  xcataixpost: $::outref\n";
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        }
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    }
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 return $rc;
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}
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