Adding upstream version 1.34.4.

Signed-off-by: Daniel Baumann <daniel@debian.org>

plugins/inputs/opentelemetry/writer.go

@@ -0,0 +1,57 @@
+package opentelemetry
+
+import (
+	"context"
+	"fmt"
+	"time"
+
+	"github.com/influxdata/influxdb-observability/common"
+	"github.com/influxdata/influxdb-observability/otel2influx"
+
+	"github.com/influxdata/telegraf"
+)
+
+var (
+	_ otel2influx.InfluxWriter      = (*writeToAccumulator)(nil)
+	_ otel2influx.InfluxWriterBatch = (*writeToAccumulator)(nil)
+)
+
+type writeToAccumulator struct {
+	accumulator telegraf.Accumulator
+}
+
+// NewBatch creates a new batch for writing telemetry data.
+func (w *writeToAccumulator) NewBatch() otel2influx.InfluxWriterBatch {
+	return w
+}
+
+// EnqueuePoint adds a telemetry data point to the accumulator.
+func (w *writeToAccumulator) EnqueuePoint(
+	_ context.Context,
+	measurement string,
+	tags map[string]string,
+	fields map[string]interface{},
+	ts time.Time,
+	vType common.InfluxMetricValueType,
+) error {
+	switch vType {
+	case common.InfluxMetricValueTypeUntyped:
+		w.accumulator.AddFields(measurement, fields, tags, ts)
+	case common.InfluxMetricValueTypeGauge:
+		w.accumulator.AddGauge(measurement, fields, tags, ts)
+	case common.InfluxMetricValueTypeSum:
+		w.accumulator.AddCounter(measurement, fields, tags, ts)
+	case common.InfluxMetricValueTypeHistogram:
+		w.accumulator.AddHistogram(measurement, fields, tags, ts)
+	case common.InfluxMetricValueTypeSummary:
+		w.accumulator.AddSummary(measurement, fields, tags, ts)
+	default:
+		return fmt.Errorf("unrecognized InfluxMetricValueType %q", vType)
+	}
+	return nil
+}
+
+// WriteBatch does nothing.
+func (*writeToAccumulator) WriteBatch(context.Context) error {
+	return nil
+}