Parse the JSON response and set the metrics

def _set_yarn_metrics_from_json(self, tags, metrics_json, yarn_metrics):
        """
        Parse the JSON response and set the metrics
        """
        for dict_path, metric in iteritems(yarn_metrics):
            metric_name, metric_type = metric

            metric_value = self._get_value_from_json(dict_path, metrics_json)

            if metric_value is not None:
                self._set_metric(metric_name, metric_type, metric_value, tags)