func (api *PerfDashApi) setRequestDefaults(req *PerfDashRequest) {
if len(req.Config.Timestamp_field) == 0 {
req.Config.Timestamp_field = "timestamp"
}
if req.Timerange.IsZero() {
req.Timerange.From = datetime.JsTime(time.Now().Add(-1 * time.Hour))
req.Timerange.To = datetime.JsTime(time.Now())
}
}
// Fills in the request with an omitted configuration options that
// have defaults.
func (api *ByDimensionApi) setRequestDefaults(req *ByDimensionRequest) {
c := &req.Config
if len(c.Primary_dimension) == 0 {
c.Primary_dimension = "service"
}
if len(c.Secondary_dimension) == 0 {
c.Secondary_dimension = "host"
}
if len(c.Responsetime_field) == 0 {
c.Responsetime_field = "responsetime"
}
if len(c.Status_field) == 0 {
c.Status_field = "status"
}
if len(c.Status_value_ok) == 0 {
c.Status_value_ok = "ok"
}
if len(c.Count_field) == 0 {
c.Count_field = "count"
}
if len(c.Timestamp_field) == 0 {
c.Timestamp_field = "timestamp"
}
if len(c.Percentiles) == 0 {
c.Percentiles = []float32{50, 90, 99, 99.5}
}
if c.Histogram_points == 0 {
c.Histogram_points = 10
}
if req.Timerange.IsZero() {
req.Timerange.From = datetime.JsTime(time.Now().Add(-1 * time.Hour))
req.Timerange.To = datetime.JsTime(time.Now())
}
}
func (v volumeLine) fromEsResponse(resp map[string]json.RawMessage,
config ConfigRaw, interval Interval) (MapStr, error) {
var volume_hist struct {
Buckets []struct {
Key_as_string elasticsearch.Time
Volume struct {
Value float32
}
}
}
val, exists := resp[fmt.Sprintf("v%d_%s", config.Index, config.Name)]
if !exists {
return nil, errors.New("Elasticsearch didn't return the aggregation")
}
err := json.Unmarshal(val, &volume_hist)
if err != nil {
return nil, err
}
values := []MapStr{}
for _, bucket := range volume_hist.Buckets {
bucket_secs := computeRealSecondsInInterval(interval,
time.Time(bucket.Key_as_string))
values = append(values, MapStr{
"ts": datetime.JsTime(bucket.Key_as_string),
"value": bucket.Volume.Value / bucket_secs,
})
}
return MapStr{
"data": values,
}, nil
}
func (api *ByDimensionApi) bucketToPrimary(req *ByDimensionRequest,
bucket map[string]json.RawMessage) (*PrimaryDimension, error) {
var primary PrimaryDimension
err := json.Unmarshal(bucket["key"], &primary.Name)
if err != nil {
return nil, err
}
// transform metrics
primary.Metrics = map[string]float32{}
for _, metric := range req.Metrics {
switch metric {
case "volume":
var volume struct {
Value float32
}
err = json.Unmarshal(bucket["volume"], &volume)
if err != nil {
return nil, err
}
primary.Metrics["volume"] = volume.Value / req.interval_seconds
case "rt_max":
case "rt_avg":
var stats struct {
Max float32
Avg float32
}
err = json.Unmarshal(bucket["rt_stats"], &stats)
if err != nil {
return nil, err
}
primary.Metrics["rt_max"] = stats.Max
primary.Metrics["rt_avg"] = stats.Avg
case "rt_percentiles":
var percentiles struct {
Values map[string]float32
}
err = json.Unmarshal(bucket["rt_percentiles"], &percentiles)
for key, value := range percentiles.Values {
primary.Metrics[fmt.Sprintf("rt_%sp", key)] = value
}
case "secondary_count":
var secondary struct {
Value float32
}
err = json.Unmarshal(bucket["secondary_card"], &secondary)
if err != nil {
return nil, err
}
primary.Metrics["secondary_count"] = secondary.Value
case "errors_rate":
var errors_count struct {
Count struct {
Value float32
}
}
var volume1 struct {
Value float32
}
err = json.Unmarshal(bucket["errors_count"], &errors_count)
if err != nil {
return nil, err
}
err = json.Unmarshal(bucket["volume"], &volume1)
if err != nil {
return nil, err
}
primary.Metrics["errors_rate"] = errors_count.Count.Value /
volume1.Value
}
}
// transform histogram metrics
primary.Hist_metrics = map[string][]HistogramValue{}
for _, metric := range req.HistogramMetrics {
switch metric {
case "volume":
var volume_hist struct {
Buckets []struct {
Key_as_string elasticsearch.Time
Volume struct {
Value float32
}
}
}
err = json.Unmarshal(bucket["volume_hist"], &volume_hist)
if err != nil {
return nil, err
}
values := []HistogramValue{}
for _, bucket := range volume_hist.Buckets {
bucket_secs := computeRealSecondsInInterval(req.histogram_seconds,
time.Time(bucket.Key_as_string), &req.Timerange)
values = append(values, HistogramValue{
Ts: datetime.JsTime(bucket.Key_as_string),
Value: bucket.Volume.Value / bucket_secs,
})
}
primary.Hist_metrics["volume"] = values
}
}
return &primary, nil
}