73 lines
1.7 KiB
Go
73 lines
1.7 KiB
Go
package telemetry
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import (
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"context"
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"errors"
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"go.opentelemetry.io/otel"
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"go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetricgrpc"
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"go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc"
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"go.opentelemetry.io/otel/propagation"
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sdkmetric "go.opentelemetry.io/otel/sdk/metric"
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"go.opentelemetry.io/otel/sdk/resource"
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sdktrace "go.opentelemetry.io/otel/sdk/trace"
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semconv "go.opentelemetry.io/otel/semconv/v1.24.0"
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)
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func Init(ctx context.Context, serviceName string, version string) (func(context.Context) error, error) {
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res, err := resource.New(ctx,
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resource.WithAttributes(
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semconv.ServiceName(serviceName),
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semconv.ServiceVersion(version),
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),
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)
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if err != nil {
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return nil, err
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}
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otel.SetTextMapPropagator(
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propagation.NewCompositeTextMapPropagator(
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propagation.TraceContext{},
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propagation.Baggage{},
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),
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)
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traceExporter, err := otlptracegrpc.New(ctx,
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otlptracegrpc.WithInsecure(), // TODO: for local development
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otlptracegrpc.WithEndpoint("localhost:4317"),
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)
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if err != nil {
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return nil, err
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}
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tracerProvider := sdktrace.NewTracerProvider(
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sdktrace.WithBatcher(traceExporter),
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sdktrace.WithResource(res),
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)
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metricExporter, err := otlpmetricgrpc.New(ctx,
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otlpmetricgrpc.WithInsecure(),
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otlpmetricgrpc.WithEndpoint("localhost:4317"),
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)
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if err != nil {
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return nil, err
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}
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meterProvider := sdkmetric.NewMeterProvider(
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sdkmetric.WithReader(sdkmetric.NewPeriodicReader(metricExporter)),
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sdkmetric.WithResource(res),
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)
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otel.SetTracerProvider(tracerProvider)
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otel.SetMeterProvider(meterProvider)
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shutdown := func(ctx context.Context) error {
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return errors.Join(
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traceExporter.Shutdown(ctx),
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meterProvider.Shutdown(ctx),
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)
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}
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return shutdown, nil
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}
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