syntax = "proto3"; package envoy.config.metrics.v3alpha; option java_outer_classname = "MetricsServiceProto"; option java_multiple_files = true; option java_package = "io.envoyproxy.envoy.config.metrics.v3alpha"; import "envoy/api/v3alpha/core/grpc_service.proto"; import "validate/validate.proto"; // [#protodoc-title: Metrics service] // Metrics Service is configured as a built-in *envoy.metrics_service* :ref:`StatsSink // `. This opaque configuration will be used to // create Metrics Service. message MetricsServiceConfig { // The upstream gRPC cluster that hosts the metrics service. api.v3alpha.core.GrpcService grpc_service = 1 [(validate.rules).message = {required: true}]; }