syntax = "proto3";

package envoy.config.cluster.dynamic_forward_proxy.v2alpha;

import "envoy/config/common/dynamic_forward_proxy/v2alpha/dns_cache.proto";

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

option java_package = "io.envoyproxy.envoy.config.cluster.dynamic_forward_proxy.v2alpha";
option java_outer_classname = "ClusterProto";
option java_multiple_files = true;
option go_package = "github.com/envoyproxy/go-control-plane/envoy/config/cluster/dynamic_forward_proxy/v2alpha";
option (udpa.annotations.file_migrate).move_to_package =
    "envoy.extensions.clusters.dynamic_forward_proxy.v3";
option (udpa.annotations.file_status).package_version_status = FROZEN;

// [#protodoc-title: Dynamic forward proxy cluster configuration]

// Configuration for the dynamic forward proxy cluster. See the :ref:`architecture overview
// <arch_overview_http_dynamic_forward_proxy>` for more information.
// [#extension: envoy.clusters.dynamic_forward_proxy]
message ClusterConfig {
  // The DNS cache configuration that the cluster will attach to. Note this configuration must
  // match that of associated :ref:`dynamic forward proxy HTTP filter configuration
  // <envoy_api_field_config.filter.http.dynamic_forward_proxy.v2alpha.FilterConfig.dns_cache_config>`.
  common.dynamic_forward_proxy.v2alpha.DnsCacheConfig dns_cache_config = 1
      [(validate.rules).message = {required: true}];
}