d8bbe38994
git-svn-id: https://svn.code.sf.net/p/xcat/code/xcat-core/trunk@4849 8638fb3e-16cb-4fca-ae20-7b5d299a9bcd
454 lines
13 KiB
Perl
Executable File
454 lines
13 KiB
Perl
Executable File
#!/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 post script for AIX nodes
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#
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# This script is run from the /etc/inittab file on both
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# diskless and diskfull AIX nodes
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#
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# It is also run by the updatenode cmd ( -c 1)
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# moncfg command (-c 3)
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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 $useSocketSSL=eval { require IO::Socket::SSL; };
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use Getopt::Long;
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use XML::Simple;
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sleep int(rand(10));
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# since we don't have syslog set up yet we'll
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# just save msgs in a local log file
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$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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$::LOG_FILE = \*LOGFILE;
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unless ($useSocketSSL) {
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print "$::sdate xcataixpost: Error: cannot load necessary library IO::Socket::SSL.\n";
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print $::LOG_FILE "$::sdate xcataixpost: Error: cannot load necessary library IO::Socket::SSL.\n";
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exit 1;
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}
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#
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# Process the command line...
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#
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# the -c means redo the copy of scripts from the server
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Getopt::Long::Configure("no_pass_through");
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$Getopt::Long::ignorecase = 0;
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if (!GetOptions('copy|c' => \$::opt_c, 'm=s' => \$::opt_m, 'M=s' => \$::opt_M))
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{ # Gather options
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exit 1;
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}
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# get hostname
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$::shorthost = `hostname -s`;
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chomp $::shorthost;
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my $foundxcatinfo=0;
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my $servnode;
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# create new xcatinfo file if -M value is provided
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if ($::opt_M) {
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if(-f "/etc/xcatinfo") {
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# backup the old file - or remove ???
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my $cpcmd = "cp /etc/xcatinfo /etc/xcatinfo.orig 2>/dev/null";
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if (&runcmd($cpcmd) != 0) {
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print "$::sdate xcataixpost: Could not copy /etc/xcatinfo file.\n";
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print $::LOG_FILE "$::sdate xcataixpost: Could not copy /etc/xcatinfo file.\n";
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}
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}
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# put the new server in the file
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my $xcatinfo="/etc/xcatinfo";
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open(XCATINFO,">",$xcatinfo);
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print XCATINFO "XCATSERVER=$::opt_M\n";
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close(XCATINFO);
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}
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if (-f "/etc/xcatinfo") {
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# if this file exists assume it has the correct server name
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my $cmd = "cat /etc/xcatinfo | grep 'XCATSERVER'";
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&runcmd($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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chomp $servnode;
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$servnode =~ s/^\s*//;
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if ($servnode) {
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$foundxcatinfo=1;
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}
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}
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if (!$foundxcatinfo) {
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# get the name of my service node (NIM master) from the /etc/niminfo file
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if (-f "/etc/niminfo") {
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$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(/=/, $SNline);
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if ($servnode) {
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chomp $servnode;
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$servnode =~ s/^\s*//;
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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=$servnode\n";
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close(XCATINFO);
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}
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} else {
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print "$::sdate xcataixpost: Could not find /etc/niminfo file.\n";
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print $::LOG_FILE "$::sdate xcataixpost: Could not find /etc/niminfo file.\n";
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}
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}
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# do ping test on server and use -m value if provides
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my $pcmd = "ping -c 2 -w 2 $servnode";
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if (&runcmd($pcmd) != 0) {
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$servnode = "";
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if ($::opt_m) {
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chomp $::opt_m;
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$servnode = $::opt_m;
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}
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}
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unless ($servnode) {
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print "$::sdate xcataixpost: Could not determine server name.\n";
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print $::LOG_FILE "$::sdate xcataixpost: Could not determine server name.\n";
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exit 0;
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}
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# if the /xcatpost dir has not been populated or the -c option is
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# specified then do the mount and copy of /install/postscripts
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if ( !(-f "/xcatpost/xcataixpost") || $::opt_c ) {
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# create the xcatpost dir
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my $cmd = "mkdir -p /xcatpost";
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if (&runcmd($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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# get the contents of the /install/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 $servnode:/install/postscripts /xcatmnt";
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if (&runcmd($mcmd) != 0) {
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print "$::sdate xcataixpost: Could not mount /install/postscripts from $servnode.\n";
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print $::LOG_FILE "$::sdate xcataixpost: Could not mount /install/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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$cpcmd = "cp -p -R /xcatmnt/* /xcatpost 2>/dev/null";
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} else {
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# when argv[1]=2, there is only one postscript file,
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# user wants only download it to save time
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$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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my $ucmd = "umount /xcatmnt; rmdir /xcatmnt";
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if (&runcmd($ucmd) != 0) {
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print "$::sdate xcataixpost: Could not unmount /install.\n";
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print $::LOG_FILE "$::sdate xcataixpost: Could not unmount /install/postscripts.\n";
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}
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} # end recopy postscripts
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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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# 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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if (-f $scriptname) {
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# set the timezone
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my $cmd = "cat $scriptname | grep 'TIMEZONE='";
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&runcmd($cmd);
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my $TZline = $::outref;
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my ($junk, $tz) = split(/=/, $TZline);
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if ($tz) {
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chomp $tz;
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my $tzcmd = qq~/usr/bin/chtz $tz >/dev/null 2>&1~;
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if (&runcmd($tzcmd) != 0) {
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$msg = "$::sdate xcataixpost: Could not set timezone.\n";
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`logger -t xcat $msg`;
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} else {
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&runcmd("export TZ=$tz");
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}
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}
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}
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# check & run the postscript
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my $nodesetstat="standalone";
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if (-f $scriptname)
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{
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# when called by the updatenode command,
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# modify the UPDATENODE flag to 1
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if (@ARGV > 0) {
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$TMP=`sed -e 's/UPDATENODE=0/UPDATENODE=1/g' $scriptname`;
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`echo "$TMP" > $scriptname`;
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}
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if (@ARGV>1) {
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my $scripts=$ARGV[1];
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my $POSTS=join('\n', split(',', $scripts));
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#print "scripts=$scripts\n";
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#remove all the postbootscripts
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my $PSTMP=`sed "/postbootscripts-start-here/,/postbootscripts-end-here/ d" $scriptname`;
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`echo "$PSTMP" > $scriptname`;
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#remove all the postscripts
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my $TMP=`sed "/postscripts-start-here/,/postscripts-end-here/ d" $scriptname`;
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`echo "$TMP" > $scriptname`;
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`echo "# postscripts-start-here" >> $scriptname`;
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#add requested postscripts in
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`echo "$POSTS" | tr "," "\n" >> $scriptname`;
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`echo "# postscripts-end-here" >> $scriptname`;
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}
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# use the run_ps subroutine to run the postscripts
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my $TMP1=`sed "/postscripts-start-here/,/postscripts-end-here/ s/\\(.*\\)/run_ps \\1/;s/run_ps *#/#/;s/run_ps *\$//" $scriptname`;
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`echo "$TMP1" > $scriptname`;
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my $TMP2=`sed "/postbootscripts-start-here/,/postbootscripts-end-here/ s/\\(.*\\)/run_ps \\1/;s/run_ps *#/#/;s/run_ps *\$//" $scriptname`;
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`echo "
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# subroutine used to run postscripts
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run_ps () {
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if [[ -f \\\$1 ]]; then
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echo \\"Running postscript: \\\$1\\"
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OUTPUT=\\\`\\\$1 2>&1\\\`
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if [[ -n \\\$OUTPUT ]]; then
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echo \\"\\\$OUTPUT\\"
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fi
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else
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echo \\"Postscript \\\$1 does NOT exist.\\"
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fi
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}
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# subroutine end
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" > $scriptname`;
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`echo "$TMP2" >> $scriptname`;
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$nodesetstat=`grep "NODESETSTATE=" $scriptname|awk -F \= '{print \$2}'`;
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chomp($nodesetstat);
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$ENV{PATH}="/xcatpost:$ENV{PATH}";
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&runcmd("cd /xcatpost;$scriptname");
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print $::outref;
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} else {
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print "$::sdate xcataixpost: Could not find post script for $::shorthost.\n";
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print $::LOG_FILE "$::sdate xcataixpost: Could not find post script for $::shorthost.\n";
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}
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if (@ARGV<1) {
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my $update=1;
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if (-f $scriptname) {
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my $CNS=`grep NODESTATUS= $scriptname`;
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if ((!$?) && ($CNS =~ /\'0\'|\'N\'|\'n\'/)) { $update=0;} #only update is nonodestatus is not set in the site table
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}
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if ($update) {
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if (&updateflag($nodesetstat) != 0) {
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print "$::sdate xcataixpost: Failed to update the xCAT server.\n";
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print $::LOG_FILE "$::sdate xcataixpost: Failed to update the xCAT server..\n";
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}
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}
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} else {
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#called by updatenode, infrom user it is done
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print "returned from postscript";
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}
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if (-f $scriptname) {
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# Set the local password - if provided
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my $cmd = "cat $scriptname | grep 'ROOTPW='";
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&runcmd($cmd);
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my $PWline = $::outref;
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my ($junk, $rpd) = split(/=/, $PWline);
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if ($rpd) {
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chomp $rpd;
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my $pwcmd = qq~echo "root:$rpd" | /bin/chpasswd -c >/dev/null 2>&1~;
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if (&runcmd($pwcmd) != 0) {
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$msg = "$::sdate xcataixpost: Could not set password.\n";
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`logger -t xcat $msg`;
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}
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}
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}
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# If this is a diskfull node then remove the xcat entry in the inittab file
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if ($nodesetstat eq 'standalone') {
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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 - remove the entry
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my $rmitab_cmd = 'rmitab "xcat" > /dev/null 2>&1';
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if (&runcmd($rmitab_cmd) != 0) {
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print "$::sdate xcataixpost: Could not remove xcataixpost from /etc/inittab.\n";
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print $::LOG_FILE "$::sdate xcataixpost: Could not remove xcataixpost from /etc/inittab.\n";
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}
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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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# updateflag
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# Tells xCAT on the server that the post scripts is done.
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#
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############################################################
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sub updateflag {
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my $nodesetstat=shift;
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my $state="booted";
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my $port = "3002";
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my $remote = IO::Socket::INET->new( Proto => "tcp", PeerAddr => $servnode, PeerPort => $port, );
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unless ($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 \'$servnode\'\n";
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return 1;
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}
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$remote->autoflush(1);
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my $line;
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while (defined ($line = <$remote>)) {
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chomp $line;
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if ($line eq "ready") {
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print $remote "installstatus $state\n";
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} elsif ($line eq "done") {
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last;
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}
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}
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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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$::outref = [];
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$::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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