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Add get_OS_VRMF & testversion.

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git-svn-id: https://svn.code.sf.net/p/xcat/code/xcat-core/trunk@3976 8638fb3e-16cb-4fca-ae20-7b5d299a9bcd
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nott 2009-08-09 17:46:04 +00:00
parent fef7413f3c
commit ff58a80f10
1 changed files with 123 additions and 0 deletions
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123
perl-xCAT/xCAT/Utils.pm
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@ -187,6 +187,129 @@ sub isAIX
else { return 0; }
}
#-------------------------------------------------------------------------------
=head3 get_OS_VRMF
Arguments:
none
Returns:
v.r.m.f - if success
undef - if error
Example:
my $osversion = xCAT::Utils->get_OS_VRMF();
Comments:
Only implemented for AIX for now
=cut
#-------------------------------------------------------------------------------
sub get_OS_VRMF
{
my $version;
if (xCAT::Utils->isAIX()) {
my $cmd = "/usr/bin/lslpp -cLq bos.rte";
my $output = xCAT::Utils->runcmd($cmd);
chomp($output);
# The third field in the lslpp output is the VRMF
$version = (split(/:/, $output))[2];
# not sure if the field would ever contain more than 4 parts?
my ($v1, $v2, $v3, $v4, $rest) = split(/\./, $version);
$version = join(".", $v1, $v2, $v3, $v4);
}
return (length($version) ? $version : undef);
}
#----------------------------------------------------------------------------
=head3 testversion
Compare version1 and version2 according to the operator and
return True or False.
Arguments:
$version1
$operator
$version2
$release1
$release2
Returns:
True or False
Example:
if (ArchiveUtils->testversion ( $ins_ver,
"<",
$req_ver,
$ins_rel,
$req_rel)){ blah; }
Comments:
=cut
#-------------------------------------------------------------------------------
sub testversion
{
my ($class, $version1, $operator, $version2, $release1, $release2) = @_;
my @a1 = split(/\./, $version1);
my @a2 = split(/\./, $version2);
my $len = (scalar(@a1) > scalar(@a2) ? scalar(@a1) : scalar(@a2));
$#a1 = $len - 1; # make the arrays the same length before appending release
$#a2 = $len - 1;
push @a1, split(/\./, $release1);
push @a2, split(/\./, $release2);
$len = (scalar(@a1) > scalar(@a2) ? scalar(@a1) : scalar(@a2));
my $num1 = '';
my $num2 = '';
for (my $i = 0 ; $i < $len ; $i++)
{
my ($d1) = $a1[$i] =~ /^(\d*)/; # remove any non-numbers on the end
my ($d2) = $a2[$i] =~ /^(\d*)/;
my $diff = length($d1) - length($d2);
if ($diff > 0) # pad d2
{
$num1 .= $d1;
$num2 .= ('0' x $diff) . $d2;
}
elsif ($diff < 0) # pad d1
{
$num1 .= ('0' x abs($diff)) . $d1;
$num2 .= $d2;
}
else # they are the same length
{
$num1 .= $d1;
$num2 .= $d2;
}
}
# Remove the leading 0s or perl will interpret the numbers as octal
$num1 =~ s/^0+//;
$num2 =~ s/^0+//;
#SLES Changes ??
# if $num1="", the "eval '$num1 $operator $num2'" will fail.
# So MUST BE be sure that $num1 is not a "".
if (length($num1) == 0) { $num1 = 0; }
if (length($num2) == 0) { $num2 = 0; }
#End of SLES Changes
if ($operator eq '=') { $operator = '=='; }
my $bool = eval "$num1 $operator $num2";
if (length($@))
{
# error msg ?
}
return $bool;
}
#-------------------------------------------------------------------------------
=head3 xfork