From 422fc90f78500f5c2f68443f393ec877b5f20f25 Mon Sep 17 00:00:00 2001
From: Ossi Salmi <osalmi@iki.fi>
Date: Thu, 11 Jul 2013 00:31:32 +0300
Subject: [PATCH] nagios: Added support for checking Linux md arrays to nrpe

---
 custom/lib/facter/mdarrays.rb | 15 +++++++++++++++
 nagios/manifests/target.pp    | 11 +++++++++++
 2 files changed, 26 insertions(+)
 create mode 100644 custom/lib/facter/mdarrays.rb

diff --git a/custom/lib/facter/mdarrays.rb b/custom/lib/facter/mdarrays.rb
new file mode 100644
index 0000000..31ae6a5
--- /dev/null
+++ b/custom/lib/facter/mdarrays.rb
@@ -0,0 +1,15 @@
+Facter.add(:mdarrays) do
+    confine :kernel => :linux
+    setcode do
+        arrays = []
+        mdstat = "/proc/mdstat"
+        if File.exists?(mdstat)
+            File.readlines(mdstat).each do |line|
+                if m = line.match(/^md[0-9]+/)
+                    arrays << m[0]
+                end
+            end
+        end
+        arrays.sort.join(',')
+    end
+end
diff --git a/nagios/manifests/target.pp b/nagios/manifests/target.pp
index 7d5e679..f620b0a 100644
--- a/nagios/manifests/target.pp
+++ b/nagios/manifests/target.pp
@@ -291,6 +291,17 @@ class nagios::target::nrpe inherits nagios::target {
         }
     }
 
+    if $::kernel == "Linux" and $::mdarrays {
+        nagios::target::nrpe::service { "check_linux_raid":
+            description => "RAID",
+            package     => $::operatingsystem ? {
+                "debian"  => "nagios-plugins-standard",
+                "ubuntu"  => "nagios-plugins-standard",
+                default   => "nagios-plugins-linux_raid",
+            }
+        }
+    }
+
 }