prometheus/storage/remote/otlptranslator/prometheusremotewrite/number_data_points.go

111 lines
3.4 KiB
Go

// Copyright 2024 The Prometheus Authors
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// Provenance-includes-location: https://github.com/open-telemetry/opentelemetry-collector-contrib/blob/95e8f8fdc2a9dc87230406c9a3cf02be4fd68bea/pkg/translator/prometheusremotewrite/number_data_points.go
// Provenance-includes-license: Apache-2.0
// Provenance-includes-copyright: Copyright The OpenTelemetry Authors.
package prometheusremotewrite
import (
"math"
"github.com/prometheus/common/model"
"go.opentelemetry.io/collector/pdata/pcommon"
"go.opentelemetry.io/collector/pdata/pmetric"
"github.com/prometheus/prometheus/model/value"
"github.com/prometheus/prometheus/prompb"
)
func (c *PrometheusConverter) addGaugeNumberDataPoints(dataPoints pmetric.NumberDataPointSlice,
resource pcommon.Resource, settings Settings, name string) {
for x := 0; x < dataPoints.Len(); x++ {
pt := dataPoints.At(x)
labels := createAttributes(
resource,
pt.Attributes(),
settings.ExternalLabels,
nil,
true,
model.MetricNameLabel,
name,
)
sample := &prompb.Sample{
// convert ns to ms
Timestamp: convertTimeStamp(pt.Timestamp()),
}
switch pt.ValueType() {
case pmetric.NumberDataPointValueTypeInt:
sample.Value = float64(pt.IntValue())
case pmetric.NumberDataPointValueTypeDouble:
sample.Value = pt.DoubleValue()
}
if pt.Flags().NoRecordedValue() {
sample.Value = math.Float64frombits(value.StaleNaN)
}
c.addSample(sample, labels)
}
}
func (c *PrometheusConverter) addSumNumberDataPoints(dataPoints pmetric.NumberDataPointSlice,
resource pcommon.Resource, metric pmetric.Metric, settings Settings, name string) {
for x := 0; x < dataPoints.Len(); x++ {
pt := dataPoints.At(x)
lbls := createAttributes(
resource,
pt.Attributes(),
settings.ExternalLabels,
nil,
true,
model.MetricNameLabel,
name,
)
sample := &prompb.Sample{
// convert ns to ms
Timestamp: convertTimeStamp(pt.Timestamp()),
}
switch pt.ValueType() {
case pmetric.NumberDataPointValueTypeInt:
sample.Value = float64(pt.IntValue())
case pmetric.NumberDataPointValueTypeDouble:
sample.Value = pt.DoubleValue()
}
if pt.Flags().NoRecordedValue() {
sample.Value = math.Float64frombits(value.StaleNaN)
}
ts := c.addSample(sample, lbls)
if ts != nil {
exemplars := getPromExemplars[pmetric.NumberDataPoint](pt)
ts.Exemplars = append(ts.Exemplars, exemplars...)
}
// add created time series if needed
if settings.ExportCreatedMetric && metric.Sum().IsMonotonic() {
startTimestamp := pt.StartTimestamp()
if startTimestamp == 0 {
return
}
createdLabels := make([]prompb.Label, len(lbls))
copy(createdLabels, lbls)
for i, l := range createdLabels {
if l.Name == model.MetricNameLabel {
createdLabels[i].Value = name + createdSuffix
break
}
}
c.addTimeSeriesIfNeeded(createdLabels, startTimestamp, pt.Timestamp())
}
}
}