+ def _shorten_server_name(self, name, char_limit=64):
+ """
+ Docker does not like too long instance names.
+ This function provides a shorter name if needed
+ """
+ LOG.debug("Long server name: {}".format(name))
+ if len(name) > char_limit:
+ # construct a short name
+ name = name[-char_limit:].strip("-_ .")
+ LOG.debug("Short server name: {}".format(name))
+ return name
+