telegraf/plugins/inputs/opentelemetry/grpc_services.go

95 lines
2.9 KiB
Go

package opentelemetry
import (
"context"
"fmt"
"github.com/influxdata/influxdb-observability/common"
"github.com/influxdata/influxdb-observability/otel2influx"
otlpcollectorlogs "github.com/influxdata/influxdb-observability/otlp/collector/logs/v1"
otlpcollectormetrics "github.com/influxdata/influxdb-observability/otlp/collector/metrics/v1"
otlpcollectortrace "github.com/influxdata/influxdb-observability/otlp/collector/trace/v1"
)
type traceService struct {
otlpcollectortrace.UnimplementedTraceServiceServer
converter *otel2influx.OtelTracesToLineProtocol
writer *writeToAccumulator
}
func newTraceService(logger common.Logger, writer *writeToAccumulator) *traceService {
converter := otel2influx.NewOtelTracesToLineProtocol(logger)
return &traceService{
converter: converter,
writer: writer,
}
}
func (s *traceService) Export(ctx context.Context, req *otlpcollectortrace.ExportTraceServiceRequest) (*otlpcollectortrace.ExportTraceServiceResponse, error) {
err := s.converter.WriteTraces(ctx, req.ResourceSpans, s.writer)
if err != nil {
return nil, err
}
return &otlpcollectortrace.ExportTraceServiceResponse{}, nil
}
type metricsService struct {
otlpcollectormetrics.UnimplementedMetricsServiceServer
converter *otel2influx.OtelMetricsToLineProtocol
writer *writeToAccumulator
}
var metricsSchemata = map[string]otel2influx.MetricsSchema{
"prometheus-v1": otel2influx.MetricsSchemaTelegrafPrometheusV1,
"prometheus-v2": otel2influx.MetricsSchemaTelegrafPrometheusV2,
}
func newMetricsService(logger common.Logger, writer *writeToAccumulator, schema string) (*metricsService, error) {
ms, found := metricsSchemata[schema]
if !found {
return nil, fmt.Errorf("schema '%s' not recognized", schema)
}
converter, err := otel2influx.NewOtelMetricsToLineProtocol(logger, ms)
if err != nil {
return nil, err
}
return &metricsService{
converter: converter,
writer: writer,
}, nil
}
func (s *metricsService) Export(ctx context.Context, req *otlpcollectormetrics.ExportMetricsServiceRequest) (*otlpcollectormetrics.ExportMetricsServiceResponse, error) {
err := s.converter.WriteMetrics(ctx, req.ResourceMetrics, s.writer)
if err != nil {
return nil, err
}
return &otlpcollectormetrics.ExportMetricsServiceResponse{}, nil
}
type logsService struct {
otlpcollectorlogs.UnimplementedLogsServiceServer
converter *otel2influx.OtelLogsToLineProtocol
writer *writeToAccumulator
}
func newLogsService(logger common.Logger, writer *writeToAccumulator) *logsService {
converter := otel2influx.NewOtelLogsToLineProtocol(logger)
return &logsService{
converter: converter,
writer: writer,
}
}
func (s *logsService) Export(ctx context.Context, req *otlpcollectorlogs.ExportLogsServiceRequest) (*otlpcollectorlogs.ExportLogsServiceResponse, error) {
err := s.converter.WriteLogs(ctx, req.ResourceLogs, s.writer)
if err != nil {
return nil, err
}
return &otlpcollectorlogs.ExportLogsServiceResponse{}, nil
}