Allow meta-data to contain any yaml

main.py

@@ -142,9 +142,7 @@ class CloudInitApp:
         filepath = os.path.join(PATH, "data", data['local-hostname'], META_DATA_FILENAME)
         if os.path.exists(filepath):
             with open(filepath, "r") as metadata:
-                for line in metadata.readlines():
-                    linesplit = list(map(lambda k: k.strip(), line.split(":")))
-                    data[linesplit[0]] = linesplit[1]
+                data.update(yaml.safe_load(metadata))
 
         cherrypy.response.headers['Content-Type'] = \
             'text/yaml'