Update stdlib

[mirror/dsa-puppet.git] / 3rdparty / modules / stdlib / lib / puppet / parser / functions / loadyaml.rb

diff --git a/3rdparty/modules/stdlib/lib/puppet/parser/functions/loadyaml.rb b/3rdparty/modules/stdlib/lib/puppet/parser/functions/loadyaml.rb
index 10c4005..9696362 100644 (file)
--- a/3rdparty/modules/stdlib/lib/puppet/parser/functions/loadyaml.rb
+++ b/3rdparty/modules/stdlib/lib/puppet/parser/functions/loadyaml.rb
@@ -1,20 +1,34 @@
 module Puppet::Parser::Functions
+  newfunction(:loadyaml, :type => :rvalue, :arity => -2, :doc => <<-'ENDHEREDOC') do |args|
+Load a YAML file containing an array, string, or hash, and return the data
+in the corresponding native data type.
+The second parameter is the default value. It will be returned if the file
+was not found or could not be parsed.
 
-  newfunction(:loadyaml, :type => :rvalue, :doc => <<-'ENDHEREDOC') do |args|
-    Load a YAML file containing an array, string, or hash, and return the data
-    in the corresponding native data type.
+For example:
 
-    For example:
+    $myhash = loadyaml('/etc/puppet/data/myhash.yaml')
+    $myhash = loadyaml('no-file.yaml', {'default' => 'value'})
+  ENDHEREDOC
 
-        $myhash = loadyaml('/etc/puppet/data/myhash.yaml')
-    ENDHEREDOC
+    raise ArgumentError, 'Wrong number of arguments. 1 or 2 arguments should be provided.' unless args.length >= 1
+    require 'yaml'
 
-    unless args.length == 1
-      raise Puppet::ParseError, ("loadyaml(): wrong number of arguments (#{args.length}; must be 1)")
+    if File.exists?(args[0])
+      begin
+        YAML::load_file(args[0]) || args[1]
+      rescue Exception => e
+        if args[1]
+          args[1]
+        else
+          raise e
+        end
+      end
+    else
+      warning("Can't load '#{args[0]}' File does not exist!")
+      args[1]
     end
 
-    YAML.load_file(args[0])
-
   end
 
 end