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exporter.go
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exporter.go
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// Copyright (C) 2019-2023, Ava Labs, Inc. All rights reserved.
// See the file LICENSE for licensing terms.
package trace
import (
"context"
"time"
"go.opentelemetry.io/otel/exporters/otlp/otlptrace"
"go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc"
"go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp"
sdktrace "go.opentelemetry.io/otel/sdk/trace"
)
const tracerProviderExportCreationTimeout = 5 * time.Second
type ExporterConfig struct {
Type ExporterType `json:"type"`
// Endpoint to send metrics to
Endpoint string `json:"endpoint"`
// Headers to send with metrics
Headers map[string]string `json:"headers"`
// If true, don't use TLS
Insecure bool `json:"insecure"`
}
func newExporter(config ExporterConfig) (sdktrace.SpanExporter, error) {
var client otlptrace.Client
switch config.Type {
case GRPC:
opts := []otlptracegrpc.Option{
otlptracegrpc.WithEndpoint(config.Endpoint),
otlptracegrpc.WithHeaders(config.Headers),
otlptracegrpc.WithTimeout(tracerExportTimeout),
}
if config.Insecure {
opts = append(opts, otlptracegrpc.WithInsecure())
}
client = otlptracegrpc.NewClient(opts...)
case HTTP:
opts := []otlptracehttp.Option{
otlptracehttp.WithEndpoint(config.Endpoint),
otlptracehttp.WithHeaders(config.Headers),
otlptracehttp.WithTimeout(tracerExportTimeout),
}
if config.Insecure {
opts = append(opts, otlptracehttp.WithInsecure())
}
client = otlptracehttp.NewClient(opts...)
default:
return nil, errUnknownExporterType
}
ctx, cancel := context.WithTimeout(context.Background(), tracerProviderExportCreationTimeout)
defer cancel()
return otlptrace.New(ctx, client)
}