From 73b69e8198f702f086ff6afd94a54dddc7935893 Mon Sep 17 00:00:00 2001
From: varac <varacanero@zeromail.org>
Date: Wed, 28 Aug 2013 14:41:39 +0200
Subject: added facter facts to show netmask in cidr notation for each
 interface

---
 lib/facter/netmask_cidr_interface.rb | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)
 create mode 100644 lib/facter/netmask_cidr_interface.rb

diff --git a/lib/facter/netmask_cidr_interface.rb b/lib/facter/netmask_cidr_interface.rb
new file mode 100644
index 0000000..d628d08
--- /dev/null
+++ b/lib/facter/netmask_cidr_interface.rb
@@ -0,0 +1,22 @@
+# adds netmask facts for each interface in cidr notation
+# i.e.:
+# ...
+# netmask_cidr_eth2 => 24
+# netmask_cidr_lo => 8
+# netmask_cidr_tun0 => 32
+# netmask_cidr_virbr0 => 24
+# ...
+
+require 'facter/util/ip'
+
+Facter::Util::IP.get_interfaces.each do |interface|
+  netmask = Facter.value("netmask_#{interface}")
+  if netmask != nil
+    Facter.add("netmask_cidr_" + interface ) do
+      setcode do
+        cidr_netmask=IPAddr.new(netmask).to_i.to_s(2).count("1")
+        cidr_netmask
+      end
+    end
+  end
+end
-- 
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