From 2816f34bc6b18ee7bf2832966f9534c5c198eec3 Mon Sep 17 00:00:00 2001
From: Alexander Sulfrian <alexander@sulfrian.net>
Date: Fri, 14 Feb 2014 04:03:38 +0100
Subject: refactor code to have a sub to handle a single vserver

---
 check_load | 61 +++++++++++++++++++++++++++---------------------
 check_mem  | 78 ++++++++++++++++++++++++++++++++++----------------------------
 2 files changed, 78 insertions(+), 61 deletions(-)

diff --git a/check_load b/check_load
index 8a3b2c8..6f068d7 100755
--- a/check_load
+++ b/check_load
@@ -58,6 +58,40 @@ sub parse_thresholds($) {
     return undef;
 }
 
+sub handle_vserver($$$$) {
+    my $id = shift;
+    my $warn = shift;
+    my $crit = shift;
+    my $name = shift;
+
+    my $n = init_nagios_plugin();
+    my $load = VServer::get_loadavg($id);
+    if ($load) {
+        my @status = [ UNKNOWN ];
+        my $output = "";
+
+        for my $key (qw( load1 load5 load15 )) {
+            $n->add_perfdata(label => $key,
+                             value => $load->{$key},
+                             warning => $warn->{$key},
+                             critical => $crit->{$key},
+                             min => 0,
+            );
+
+            push(@status,
+                 $n->check_threshold(check => $load->{$key},
+                                     warning => $warn->{$key},
+                                     critical => $crit->{$key}
+                 )
+            );
+
+            $output .= " $load->{$key}";
+        }
+
+        $n->nagios_exit($n->max_state(@status), "load average:$output");
+    }
+}
+
 
 # fix taint mode
 if ($0 =~ m/(\w[\w\/]*\w)/) {
@@ -94,30 +128,5 @@ unless ($context) {
     $n->nagios_exit(UNKNOWN, "vserver '$vserver' not found");
 }
 
-my $load = VServer::get_loadavg($id);
-if (@load) {
-    my @status = [ UNKNOWN ];
-    my $output = "";
-
-    for my $key (qw( load1 load5 load15 )) {
-        $n->add_perfdata(label => $key,
-                         value => $load->{$key},
-                         warning => $warn{$key},
-                         critical => $crit{$key},
-                         min => 0,
-        );
-
-        push(@status,
-             $n->check_threshold(check => $load->{$key},
-                                 warning => $warn{$key},
-                                 critical => $crit{$key}
-             )
-        );
-
-        $output .= " $load->{$key}";
-    }
-
-    $n->nagios_exit($n->max_state(@status), "load average:$output");
-}
-
+handle_vserver($context, \%warn, \%crit, $vserver);
 $n->nagios_exit(UNKNOWN, 'unable to parse loadavg');
diff --git a/check_mem b/check_mem
index 725bedf..fb25403 100755
--- a/check_mem
+++ b/check_mem
@@ -8,6 +8,13 @@ use Nagios::Plugin;
 
 our $VERSION = '1.6';
 
+our %desc = (
+    vm => 'virtual memory',
+    rss => 'resident set size',
+    anon => 'anonymous memory',
+    vml => 'locked memory',
+);
+
 sub init_nagios_plugin() {
     my $plugin = Nagios::Plugin->new(
         usage => "Usage: %s [-h|--help] [-w|--warnings=...] " .
@@ -62,6 +69,41 @@ sub parse_thresholds($) {
     return undef;
 }
 
+sub handle_vserver($$$$) {
+    my $id = shift;
+    my $warn = shift;
+    my $crit = shift;
+    my $name = shift;
+
+    my $n = init_nagios_plugin();
+    my $mem = VServer::get_mem($id);
+    if ($mem) {
+        my @status = [ UNKNOWN ];
+        my $output = "";
+
+        for my $key (qw(vm rss anon vml)) {
+            $n->add_perfdata(label => $key,
+                             value => $mem->{$key},
+                             warning => $warn->{$key},
+                             critical => $crit->{$key},
+                             min => 0,
+            );
+
+            push(@status,
+                 $n->check_threshold(check => $mem->{$key},
+                                     warning => $warn->{$key},
+                                     critical => $crit->{$key}
+                 )
+            );
+
+            my $mb = sprintf "%.2f", ($mem->{$key} / 1024) / 1024;
+            $output .= " - $desc{$key}: ${mb}MB";
+        }
+
+        $n->nagios_exit($n->max_state(@status), "used memory$output");
+    }
+}
+
 
 # fix taint mode
 if ($0 =~ m/(\w[\w\/]*\w)/) {
@@ -91,39 +133,5 @@ unless ($context) {
     $n->nagios_exit(UNKNOWN, "vserver '$vserver' not found");
 }
 
-my $mem = VServer::get_mem($id);
-if ($mem) {
-    my %desc;
-    %desc = (
-        vm => 'virtual memory',
-        rss => 'resident set size',
-        anon => 'anonymous memory',
-        vml => 'locked memory',
-    );
-
-    my @status = [ UNKNOWN ];
-    my $output = "";
-
-    for my $key (qw( vm rss anon vml )) {
-        $n->add_perfdata(label => $key,
-                         value => $mem->{$key},
-                         min => 0,
-                         warning => $warn{$key},
-                         critical => $crit{$key},
-        );
-
-        push(@status,
-             $n->check_threshold(check => $mem->{$key},
-                                 warning => $warn{$key},
-                                 critical => $crit{$key},
-             )
-        );
-
-        $mb = int(($mem->{$key} / 1024) / 1024);
-        $output .= " - $desc{$mem}: ${mb}MB";
-    }
-
-    $n->nagios_exit($n->max_state(@status), "used memory$output");
-}
-
+handle_vserver($context, \%warn, \%crit, $vserver);
 $n->nagios_exit(UNKNOWN, 'unable to parse memory statistics');
-- 
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