コード例 #1
0
ファイル: prometheus.go プロジェクト: replay/grafana
func parseResponse(value pmodel.Value, query *PrometheusQuery) (map[string]*tsdb.QueryResult, error) {
	queryResults := make(map[string]*tsdb.QueryResult)
	queryRes := &tsdb.QueryResult{}

	data, ok := value.(pmodel.Matrix)
	if !ok {
		return queryResults, fmt.Errorf("Unsupported result format: %s", value.Type().String())
	}

	for _, v := range data {
		var points [][2]*float64
		for _, k := range v.Values {
			timestamp := float64(k.Timestamp)
			val := float64(k.Value)
			points = append(points, [2]*float64{&val, &timestamp})
		}

		queryRes.Series = append(queryRes.Series, &tsdb.TimeSeries{
			Name:   formatLegend(v.Metric, query),
			Points: points,
		})
	}

	queryResults["A"] = queryRes
	return queryResults, nil
}
コード例 #2
0
ファイル: query.go プロジェクト: hvnsweeting/prometheus
// RespondJSON converts the given data value to JSON and writes it to w.
func respondJSON(w io.Writer, val model.Value) error {
	data := struct {
		Type    string      `json:"type"`
		Value   interface{} `json:"value"`
		Version int         `json:"version"`
	}{
		Type:    val.Type().String(),
		Value:   val,
		Version: jsonFormatVersion,
	}
	// TODO(fabxc): Adding MarshalJSON to promql.Values might be a good idea.
	if sc, ok := val.(*model.Scalar); ok {
		data.Value = sc.Value
	}
	enc := json.NewEncoder(w)
	return enc.Encode(data)
}
コード例 #3
0
ファイル: prometheus.go プロジェクト: sbouchex/grafana
func parseResponse(value pmodel.Value, query *PrometheusQuery) (map[string]*tsdb.QueryResult, error) {
	queryResults := make(map[string]*tsdb.QueryResult)
	queryRes := tsdb.NewQueryResult()

	data, ok := value.(pmodel.Matrix)
	if !ok {
		return queryResults, fmt.Errorf("Unsupported result format: %s", value.Type().String())
	}

	for _, v := range data {
		series := tsdb.TimeSeries{
			Name: formatLegend(v.Metric, query),
		}

		for _, k := range v.Values {
			series.Points = append(series.Points, tsdb.NewTimePoint(null.FloatFrom(float64(k.Value)), float64(k.Timestamp.Unix()*1000)))
		}

		queryRes.Series = append(queryRes.Series, &series)
	}

	queryResults["A"] = queryRes
	return queryResults, nil
}