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provider.go
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provider.go
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// Copyright (c) 2024 The nilgo authors
// Use of this source code is governed by a MIT license found in the LICENSE file.
// Package otlp provides OpenTelemetry OTLP provider for trace and metric
package otlp
import (
"context"
"fmt"
"go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetricgrpc"
"go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc"
"go.opentelemetry.io/otel/sdk/metric"
"go.opentelemetry.io/otel/sdk/resource"
"go.opentelemetry.io/otel/sdk/trace"
)
// TraceProvider creates a new trace provider with OTLP exporter.
func TraceProvider(opts ...otlptracegrpc.Option) (*trace.TracerProvider, error) {
opts = append([]otlptracegrpc.Option{otlptracegrpc.WithInsecure()}, opts...)
exporter, err := otlptracegrpc.New(context.Background(), opts...)
if err != nil {
return nil, fmt.Errorf("create otlp trace exporter: %w", err)
}
return trace.NewTracerProvider(
trace.WithBatcher(exporter),
trace.WithResource(resource.Default()),
trace.WithSampler(trace.ParentBased(trace.NeverSample())),
), nil
}
// MeterProvider creates a new meter provider with OTLP exporter.
func MeterProvider(opts ...otlpmetricgrpc.Option) (*metric.MeterProvider, error) {
opts = append([]otlpmetricgrpc.Option{otlpmetricgrpc.WithInsecure()}, opts...)
exporter, err := otlpmetricgrpc.New(context.Background(), opts...)
if err != nil {
return nil, fmt.Errorf("create otlp metric exporter: %w", err)
}
return metric.NewMeterProvider(
metric.WithReader(metric.NewPeriodicReader(exporter)),
metric.WithResource(resource.Default()),
), nil
}