Ensure filepath exists

Before we can write facter facts of hiera hieras, we need for the
directory to exist.

Change-Id: Id855da44d9e2cb06824ed3507158aeaa466768f7

library/puppet

@@ -88,7 +88,8 @@ def _get_facter_dir():
 
 
 def _write_structured_data(basedir, basename, data):
-    # Ensure filepath?
+    if not os.path.exists(basedir):
+        os.makedirs(basedir)
     file_path = os.path.join(basedir, "{0}.json".format(basename))
     with os.fdopen(
             os.open(file_path, os.O_CREAT | os.O_WRONLY, 0o600),