80 lines
1.8 KiB
Go
80 lines
1.8 KiB
Go
package telemetry
|
|
|
|
import (
|
|
"context"
|
|
"errors"
|
|
|
|
"go.opentelemetry.io/otel"
|
|
"go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetricgrpc"
|
|
"go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc"
|
|
"go.opentelemetry.io/otel/propagation"
|
|
sdkmetric "go.opentelemetry.io/otel/sdk/metric"
|
|
"go.opentelemetry.io/otel/sdk/resource"
|
|
sdktrace "go.opentelemetry.io/otel/sdk/trace"
|
|
semconv "go.opentelemetry.io/otel/semconv/v1.24.0"
|
|
)
|
|
|
|
type Config struct {
|
|
ServiceName string
|
|
ServiceVersion string
|
|
Endpoint string
|
|
Environment string
|
|
}
|
|
|
|
func Init(ctx context.Context, cfg Config) (func(context.Context) error, error) {
|
|
res, err := resource.New(ctx,
|
|
resource.WithAttributes(
|
|
semconv.ServiceName(cfg.ServiceName),
|
|
semconv.ServiceVersion(cfg.ServiceVersion),
|
|
),
|
|
)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
otel.SetTextMapPropagator(
|
|
propagation.NewCompositeTextMapPropagator(
|
|
propagation.TraceContext{},
|
|
propagation.Baggage{},
|
|
),
|
|
)
|
|
|
|
traceExporter, err := otlptracegrpc.New(ctx,
|
|
otlptracegrpc.WithInsecure(), // TODO: for local development
|
|
otlptracegrpc.WithEndpoint(cfg.Endpoint),
|
|
)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
tracerProvider := sdktrace.NewTracerProvider(
|
|
sdktrace.WithBatcher(traceExporter),
|
|
sdktrace.WithResource(res),
|
|
)
|
|
|
|
metricExporter, err := otlpmetricgrpc.New(ctx,
|
|
otlpmetricgrpc.WithInsecure(),
|
|
otlpmetricgrpc.WithEndpoint(cfg.Endpoint),
|
|
)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
meterProvider := sdkmetric.NewMeterProvider(
|
|
sdkmetric.WithReader(sdkmetric.NewPeriodicReader(metricExporter)),
|
|
sdkmetric.WithResource(res),
|
|
)
|
|
|
|
otel.SetTracerProvider(tracerProvider)
|
|
otel.SetMeterProvider(meterProvider)
|
|
|
|
shutdown := func(ctx context.Context) error {
|
|
return errors.Join(
|
|
traceExporter.Shutdown(ctx),
|
|
meterProvider.Shutdown(ctx),
|
|
)
|
|
}
|
|
|
|
return shutdown, nil
|
|
}
|