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#!/usr/bin/perl -T
package VServer;
our $VERSION = '1.2';
use strict;
use warnings;
sub get_context_id($) {
my $vserver = shift;
if ($vserver =~ /^([-a-z0-9._]*)$/) {
$vserver = $1;
};
my $dir = "/etc/vservers/$vserver";
return unless -d $dir;
open(my $context, '<', "$dir/context") || return undef;
my $cid = undef;
while (<$context>) {
if ($_ =~ m/([0-9]*)/) {
$cid = $1;
last;
}
}
close $context;
return $cid;
}
sub get_proc_dir($) {
my $context = shift;
my $dir = "/proc/virtual/$context/";
return $dir if (-d $dir);
return undef;
}
sub get_config_dir($) {
my $context = shift;
my $dir = qx(/usr/sbin/vuname --xid $context --get context 2> /dev/null);
return undef unless ($? eq 0);
chomp($dir);
return $dir;
}
sub get_name($) {
my $context = shift;
my $dir = get_config_dir($context) || return undef;
my $name = undef;
open(my $file, "<", "$dir/name") || return undef;
while (<$file>) {
chomp($name = $_);
last;
}
close($file);
return $name;
}
1;
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