Fixed #2346 - Part 1: Added arp fact for Linux

Added facts arp (like the ipaddress etc) facts
Added facts arp_interfacename

2 files changed, 29 insertions, 0 deletions

diff --git a/lib/facter/arp.rb b/lib/facter/arp.rb
new file mode 100644
index 0000000..f4b7709
--- /dev/null
+++ b/lib/facter/arp.rb
@@ -0,0 +1,22 @@
+require 'facter/util/ip'
+
+Facter.add(:arp) do
+    confine :kernel => :linux
+      setcode do
+        arp = []
+        output = %x{/usr/sbin/arp -a}
+        output.each_line do |s|
+            arp.push($1) if s =~ /^\S+\s\S+\s\S+\s(\S+)\s\S+\s\S+\s\S+$/
+        end
+        arp[0]
+      end
+end
+
+Facter::Util::IP.get_interfaces.each do |interface|
+    Facter.add("arp_" + Facter::Util::IP.alphafy(interface)) do
+    confine :kernel => :linux
+       setcode do
+            Facter::Util::IP.get_arp_value(interface)
+       end
+    end
+end
diff --git a/lib/facter/util/ip.rb b/lib/facter/util/ip.rb
index e4370dc..8b6dbf4 100644
--- a/lib/facter/util/ip.rb
+++ b/lib/facter/util/ip.rb
@@ -169,4 +169,11 @@ module Facter::Util::IP
             network = ip.mask(subnet.to_s).to_s
         end
     end
+
+    def self.get_arp_value(interface)
+        arp = Facter::Util::Resolution.exec("arp -en -i #{interface} | sed -e 1d")
+        if arp =~ /^\S+\s+\w+\s+(\S+)\s+\w\s+\S+$/
+         return $1
+        end
+    end
 end