Create InstUtils.pm module.
git-svn-id: https://svn.code.sf.net/p/xcat/code/xcat-core/trunk@4403 8638fb3e-16cb-4fca-ae20-7b5d299a9bcd
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perl-xCAT/xCAT/InstUtils.pm
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370
perl-xCAT/xCAT/InstUtils.pm
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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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package xCAT::InstUtils;
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BEGIN
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{
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$::XCATROOT = $ENV{'XCATROOT'} ? $ENV{'XCATROOT'} : '/opt/xcat';
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}
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# if AIX - make sure we include perl 5.8.2 in INC path.
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# Needed to find perl dependencies shipped in deps tarball.
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if ($^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 lib "$::XCATROOT/lib/perl";
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require xCAT::Table;
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use POSIX qw(ceil);
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use Socket;
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use strict;
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require xCAT::Schema;
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require Data::Dumper;
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require xCAT::NodeRange;
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require DBI;
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our @ISA = qw(Exporter);
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our @EXPORT_OK = qw(genpassword);
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#-------------------------------------------------------------------------------
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=head1 xCAT::InstUtils
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=head2 Package Description
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This program module file, is a set of utilities used by xCAT install
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related commands.
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=cut
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#-------------------------------------------------------------
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#----------------------------------------------------------------------------
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=head3 getnimprime
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Get the name of the primary AIX NIM master
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Returns:
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hostname - short hostname of primary NIM master
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undef - could not find primary NIM master
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Example:
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my $nimprime = xCAT::InstUtils->getnimprime();
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Comments:
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=cut
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#-----------------------------------------------------------------------------
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sub getnimprime
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{
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# the primary NIM master is either specified in the site table
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# or it is the xCAT management node.
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my $nimprime = xCAT::Utils->get_site_Master();
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my $sitetab = xCAT::Table->new('site');
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(my $et) = $sitetab->getAttribs({key => "NIMprime"}, 'value');
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if ($et and $et->{value}) {
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$nimprime = $et->{value};
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}
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my $hostname;
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if ($nimprime) {
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if ($nimprime =~ /\d+\.\d+\.\d+\.\d+/) {
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my $packedaddr = inet_aton($nimprime);
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$hostname = gethostbyaddr($packedaddr, AF_INET);
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} else {
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$hostname = $nimprime;
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}
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my $shorthost;
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($shorthost = $hostname) =~ s/\..*$//;
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chomp $shorthost;
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return $shorthost;
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}
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return undef;
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}
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#----------------------------------------------------------------------------
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=head3 myxCATname
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Gets the name of the node I'm running on - as known by xCAT
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(Either the management node or a service node)
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=cut
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#-----------------------------------------------------------------------------
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sub myxCATname
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{
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my ($junk, $name);
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$name = hostname();
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if (xCAT::Utils->isMN()) {
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# read the site table, master attrib
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my $hostname = xCAT::Utils->get_site_Master();
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if ($hostname =~ /\d+\.\d+\.\d+\.\d+/) {
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my $packedaddr = inet_aton($hostname);
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$name = gethostbyaddr($packedaddr, AF_INET);
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} else {
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$name = $hostname;
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}
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} elsif (xCAT::Utils->isServiceNode()) {
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# the myxcatpost_<nodename> file should exist on all nodes!
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my $catcmd="cat /xcatpost/myxcatpost_* | grep '^NODE='";
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my $output = xCAT::Utils->runcmd("$catcmd", -1);
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if ($::RUNCMD_RC == 0) {
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($junk, $name) = split('=', $output);
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}
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}
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my $shorthost;
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($shorthost = $name) =~ s/\..*$//;
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chomp $shorthost;
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return $shorthost;
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}
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#----------------------------------------------------------------------------
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=head3 is_me
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returns 1 if the hostname is the node I am running on
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Gets all the interfcaes defined on this node and sees if
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any of them match the IP of the hostname passed in
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Arguments:
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none
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Returns:
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1 - this is the node I am running on
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0 - this is not the node I am running on
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Globals:
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none
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Error:
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none
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Example:
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if (xCAT::InstUtils->is_me(&somehostname)) { blah; }
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Comments:
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none
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=cut
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#-----------------------------------------------------------------------------
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sub is_me
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{
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my ($class, $name) = @_;
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#my $name = shift;
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# convert to IP
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my $nameIP = inet_ntoa(inet_aton($name));
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chomp $nameIP;
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# split into octets
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my ($b1, $b2, $b3, $b4) = split /\./, $nameIP;
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# get all the possible IPs for the node I'm running on
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my $ifcmd = "ifconfig -a | grep 'inet '";
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my $result = xCAT::Utils->runcmd($ifcmd, 0, 1);
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if ($::RUNCMD_RC != 0)
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{
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my $rsp;
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# push @{$rsp->{data}}, "Could not run $ifcmd.\n";
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# xCAT::MsgUtils->message("E", $rsp, $callback);
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return 0;
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}
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foreach my $int (@$result)
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{
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my ($inet, $myIP, $str) = split(" ", $int);
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chomp $myIP;
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# Split the two ip addresses up into octets
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my ($a1, $a2, $a3, $a4) = split /\./, $myIP;
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if ( ($a1 == $b1) && ($a2 == $b2) && ($a3 == $b3) && ($a4 == $b4) ) {
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return 1;
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}
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}
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return 0;
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}
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#----------------------------------------------------------------------------
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=head3 get_nim_attr_val
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Use the lsnim command to find the value of a resource attribute.
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Arguments:
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Returns:
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0 - OK
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1 - error
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Globals:
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Error:
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Example:
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xCAT::InstUtils->get_nim_attr_val
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Comments:
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=cut
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#-----------------------------------------------------------------------------
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sub get_nim_attr_val
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{
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my $class = shift;
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my $resname = shift;
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my $attrname = shift;
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my $callback = shift;
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my $target = shift;
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if (!$target) {
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$target = xCAT::InstUtils->getnimprime();
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}
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chomp $target;
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my $cmd = "/usr/sbin/lsnim -a $attrname -Z $resname 2>/dev/null";
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my $nout = xCAT::InstUtils->xcmd($callback, "xdsh", $target, $cmd, 0);
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if ($::RUNCMD_RC != 0)
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{
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my $rsp;
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push @{$rsp->{data}}, "Could not run lsnim command: \'$cmd\'.\n";
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xCAT::MsgUtils->message("E", $rsp, $callback);
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return undef;
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}
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my ($junk, $junk, $junk, $loc) = split(/:/, $nout);
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chomp $loc;
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return $loc;
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}
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#-------------------------------------------------------------------------------
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=head3 xcmd
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Run command either locally or on a remote system.
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Calls either runcmd or runxcmd and does either xdcp or xdsh.
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Arguments:
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Returns:
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Output of runcmd or runxcmd or blank.
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Comments:
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ex. xCAT::InstUtils->xcmd($callback, "xdcp", $nimprime, $cmd);
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=cut
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#-------------------------------------------------------------------------------
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sub xcmd
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{
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my $class = shift;
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my $callback = shift;
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my $xdcmd = shift; # xdcp or xdsh
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my $target = shift; # the node to run it on
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my $cmd = shift; # the actual cmd to run
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my $doarray = shift; # should the return be a string or array ptr?
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my $returnformat = 0; # default is to return string
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my $exitcode = 0;
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if ($doarray) {
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$returnformat = $doarray;
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}
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my $output;
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if (xCAT::InstUtils->is_me($target)) {
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$output=xCAT::Utils->runcmd($cmd, $exitcode, $returnformat);
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} else {
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# need xdsh or xdcp
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my @snodes;
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push( @snodes, $target );
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$output=xCAT::Utils->runxcmd(
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{
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command => [$xdcmd],
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node => \@snodes,
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arg => [ $cmd ]
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},
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$::sub_req,
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$exitcode, $returnformat
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);
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}
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if ($::VERBOSE) {
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my $rsp;
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if(ref($output) eq 'ARRAY'){
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if (scalar(@$output)) {
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push @{$rsp->{data}}, "Running command \'$cmd\' on \'$target\'\n";
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push @{$rsp->{data}}, "Output from command: \'@$output\'.\n";
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xCAT::MsgUtils->message("I", $rsp, $callback);
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}
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} else {
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if ($output) {
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push @{$rsp->{data}}, "Running command \'$cmd\' on \'$target\'\n";
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push @{$rsp->{data}}, "Output from command: \'$output\'.\n";
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xCAT::MsgUtils->message("I", $rsp, $callback);
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}
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}
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}
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return $output;
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}
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#----------------------------------------------------------------------------
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=head3 readBNDfile
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Get the contents of a NIM installp_bundle file based on the name
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of the NIM resource.
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=cut
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#-----------------------------------------------------------------------------
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sub readBNDfile
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{
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my ($class, $callback, $BNDname, $nimprime) = @_;
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my $junk;
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my @pkglist,
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my $pkgname;
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# get the location of the file from the NIM resource definition
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my $bnd_file_name = xCAT::InstUtils->get_nim_attr_val($BNDname, 'location', $callback, $nimprime);
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# open the file
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unless (open(BNDFILE, "<$bnd_file_name")) {
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return (1);
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}
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# get the names of the packages
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while (my $l = <BNDFILE>) {
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chomp $l;
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# skip blank and comment lines
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next if ($l =~ /^\s*$/ || $l =~ /^\s*#/);
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push (@pkglist, $l);
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}
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close(BNDFILE);
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return (0, \@pkglist, $bnd_file_name);
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}
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1;
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