1 files changed, 24 insertions, 0 deletions
diff --git a/lib/puppet/parser/functions/load_module_metadata.rb b/lib/puppet/parser/functions/load_module_metadata.rb
new file mode 100644
index 0000000..c9b8488
--- /dev/null
+++ b/lib/puppet/parser/functions/load_module_metadata.rb
@@ -0,0 +1,24 @@
+module Puppet::Parser::Functions
+  newfunction(:load_module_metadata, :type => :rvalue, :doc => <<-EOT
+  EOT
+  ) do |args|
+    raise(Puppet::ParseError, "load_module_metadata(): Wrong number of arguments, expects one or two") unless [1,2].include?(args.size)
+    mod = args[0]
+    allow_empty_metadata = args[1]
+    module_path = function_get_module_path([mod])
+    metadata_json = File.join(module_path, 'metadata.json')
+
+    metadata_exists = File.exists?(metadata_json)
+    if metadata_exists
+      metadata = PSON.load(File.read(metadata_json))
+    else
+      if allow_empty_metadata
+        metadata = {}
+      else
+        raise(Puppet::ParseError, "load_module_metadata(): No metadata.json file for module #{mod}")
+      end
+    end
+
+    return metadata
+  end
+end