syntax = "proto3";

package envoy.config.metrics.v2;

import "envoy/api/v2/core/grpc_service.proto";

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

option java_package = "io.envoyproxy.envoy.config.metrics.v2";
option java_outer_classname = "MetricsServiceProto";
option java_multiple_files = true;
option go_package = "github.com/envoyproxy/go-control-plane/envoy/config/metrics/v2;metricsv2";
option (udpa.annotations.file_status).package_version_status = FROZEN;

// [#protodoc-title: Metrics service]

// Metrics Service is configured as a built-in *envoy.stat_sinks.metrics_service* :ref:`StatsSink
// <envoy_api_msg_config.metrics.v2.StatsSink>`. This opaque configuration will be used to create
// Metrics Service.
// [#extension: envoy.stat_sinks.metrics_service]
message MetricsServiceConfig {
  // The upstream gRPC cluster that hosts the metrics service.
  api.v2.core.GrpcService grpc_service = 1 [(validate.rules).message = {required: true}];
}