Added cron random function fixing ticket #311

1 files changed, 15 insertions, 0 deletions

diff --git a/lib/puppet/type/cron.rb b/lib/puppet/type/cron.rb
index c46a7c83b..9f1e7c42c 100755
--- a/lib/puppet/type/cron.rb
+++ b/lib/puppet/type/cron.rb
@@ -390,6 +390,21 @@ Puppet::Type.newtype(:cron) do
         }
     end
 
+    newfunction(:fqdn_rand, :type => :rvalue, :doc => "Generates random numbers
+        based on the node's fqdn. The first argument sets the range. The second
+        argument specifies a number to add to the seed and is optional.") do |args|
+            require 'md5'
+            max = args[0]
+            if args[1] then
+                seed = args[1]
+            else
+                seed = 1
+            end
+            fqdn_seed = MD5.new(lookupvar('fqdn')).to_s.hex
+            srand(seed+fqdn_seed)
+            rand(max).to_s
+    end
+
     # We have to reorder things so that :provide is before :target
 
     attr_accessor :uid