initial commit

4 files changed, 79 insertions, 0 deletions

diff --git a/.gitignore b/.gitignore
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+++ b/.gitignore
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+Makefile
+META.yml
+inc/
+*.bak
+*.old
+blib/
+pm_to_blib
diff --git a/Makefile.PL b/Makefile.PL
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index 0000000..bf6c23a
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+++ b/Makefile.PL
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+#!/usr/bin/perl
+
+use inc::Module::Install;
+
+# Define metadata
+name          'VServer';
+all_from      'lib/VServer.pm';
+abstract      'Little perl helpers for handling linux-vserver.';
+author        'Alexander Sulfrian <alex@spline.inf.fu-berlin.de>';
+license       'perl';
+resources
+    homepage => 'http://git.spline.inf.fu-berlin.de/vserver-monitoring/';
+
+WriteAll;
diff --git a/README b/README
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+++ b/README
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+Some little perl helpers to deal with linux-vserver guests.
+
+INSTALLATION
+
+To install it: 
+
+   perl Makefile.PL
+   make
+   make install
+
+
+LICENSE INFORMATION
+
+VServer is Copyright (C) 2013, Alexander Sulfrian.
+
+This module is free software; you can redistribute it and/or
+modify it under the same terms as Perl 5.10.0. For more details,
+see the full text of the licenses in the directory LICENSES.
diff --git a/lib/VServer.pm b/lib/VServer.pm
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index 0000000..8c70bde
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+++ b/lib/VServer.pm
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+#!/usr/bin/perl -T
+
+package VServer;
+our $VERSION = '1.0';
+
+use strict;
+use warnings;
+
+sub get_context_id($) {
+    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;
+}
+
+1;