code: def get_keystone_endpoint(self, keystone_ip, api_version=None,
                                admin_port=False):
          
          port = 5000
          if admin_port:
              port = 35357
          base_ep = "http://{}:{}".format(keystone_ip.strip().decode('utf-8'),
                                          port)
          if api_version == 2:
              ep = base_ep + "/v2.0"
          else:
              ep = base_ep + "/v3"
          return ep
docs: Return keystone endpoint