code: def _influxdb_url(self):
          
          url = "{0}/db/{1}/series".format(self.influxdb.url.rstrip('/'), self.config.dbname)
  
          if self.influxdb.user and self.influxdb.password:
              url += "?u={0}&p={1}".format(self.influxdb.user, self.influxdb.password)
  
          return url
docs: Return REST API URL to access time series.