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tracer.go
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/
tracer.go
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package utils
import (
"go.opentelemetry.io/otel"
"go.opentelemetry.io/otel/exporters/jaeger"
"go.opentelemetry.io/otel/propagation"
"go.opentelemetry.io/otel/sdk/resource"
tracesdk "go.opentelemetry.io/otel/sdk/trace"
semconv "go.opentelemetry.io/otel/semconv/v1.4.0"
)
func SetGlobalTracer(serviceName string, exporterAddress string, exporterPort string) error {
exporter, err := jaeger.New(jaeger.WithAgentEndpoint(
jaeger.WithAgentHost(exporterAddress),
jaeger.WithAgentPort(exporterPort),
))
if err != nil {
return err
}
tp := tracesdk.NewTracerProvider(
tracesdk.WithBatcher(exporter),
tracesdk.WithResource(resource.NewWithAttributes(
semconv.SchemaURL,
semconv.ServiceNameKey.String(serviceName),
)),
)
otel.SetTracerProvider(tp)
otel.SetTextMapPropagator(propagation.NewCompositeTextMapPropagator(propagation.TraceContext{}))
return nil
}