- add function get_param_values

1 files changed, 25 insertions, 0 deletions

diff --git a/modules/stored_config/lib/puppet/parser/functions/get_param_values.rb b/modules/stored_config/lib/puppet/parser/functions/get_param_values.rb
new file mode 100644
index 00000000..ee0c3440
--- /dev/null
+++ b/modules/stored_config/lib/puppet/parser/functions/get_param_values.rb
@@ -0,0 +1,25 @@
+require 'puppet/rails'
+
+# function :
+#  get_param_values($name, $type, $param_name)
+#    -> return the value corresponding to $param_name for the $name object of type $type
+
+module Puppet::Parser::Functions
+    newfunction(:get_param_values, :type => :rvalue) do |args|
+        resource_name = args[0]
+        exported_type = args[1]
+        param_name = args[2]
+        Puppet::Rails.connect()
+        # TODO use find_each
+        # TODO fail more gracefully when nothing match
+        #       using a default value, maybe ?
+        return Puppet::Rails::ParamValue.find(:first,
+                                              :joins => [ :resource, :param_name ], 
+                                              :conditions => { :param_names => {:name => param_name },
+                                                               :resources => { :exported => true, 
+                                                                               :restype => exported_type,
+                                                                               :title => resource_name,
+                                                                             } }
+                                             ).value
+    end
+end