try again, with puppetforge modules, correctly included now

[dsa-puppet.git] / 3rdparty / modules / nova / lib / puppet / parser / functions / check_array_of_hash.rb

diff --git a/3rdparty/modules/nova/lib/puppet/parser/functions/check_array_of_hash.rb b/3rdparty/modules/nova/lib/puppet/parser/functions/check_array_of_hash.rb
new file mode 100644 (file)
index 0000000..be75db2
--- /dev/null
+++ b/3rdparty/modules/nova/lib/puppet/parser/functions/check_array_of_hash.rb
@@ -0,0 +1,27 @@
+require 'json'
+
+def array_of_hash?(list)
+  return false unless !list.empty? && list.class == Array
+  list.each do |e|
+    return false unless e.class == Hash
+  end
+  true
+end
+
+module Puppet::Parser::Functions
+  newfunction(:check_array_of_hash, :arity =>1, :type => :rvalue, :doc => "Check
+ input String is a valid Array of Hash in JSON style") do |arg|
+    if arg[0].class == String
+      begin
+        list = JSON.load(arg[0].gsub("'","\""))
+      rescue JSON::ParserError
+        raise Puppet::ParseError, "Syntax error: #{arg[0]} is invalid"
+      else
+        return arg[0] if array_of_hash?(list)
+      end
+    else
+      raise Puppet::ParseError, "Syntax error: #{arg[0]} is not a String"
+    end
+    return ''
+  end
+end