syntax = "proto3";

package envoy.config.trace.v3;

import "envoy/config/core/v3/grpc_service.proto";

import "udpa/annotations/status.proto";
import "validate/validate.proto";

option java_package = "io.envoyproxy.envoy.config.trace.v3";
option java_outer_classname = "OpentelemetryProto";
option java_multiple_files = true;
option go_package = "github.com/envoyproxy/go-control-plane/envoy/config/trace/v3;tracev3";
option (udpa.annotations.file_status).package_version_status = ACTIVE;

// [#protodoc-title: OpenTelemetry tracer]

// Configuration for the OpenTelemetry tracer.
//  [#extension: envoy.tracers.opentelemetry]
message OpenTelemetryConfig {
  // The upstream gRPC cluster that will receive OTLP traces.
  // Note that the tracer drops traces if the server does not read data fast enough.
  core.v3.GrpcService grpc_service = 1 [(validate.rules).message = {required: true}];

  // The name for the service. This will be populated in the ResourceSpan Resource attributes.
  // If it is not provided, it will default to "unknown_service:envoy".
  string service_name = 2;
}