syntax = "proto3";

package envoy.api.v2.cluster;

import "google/protobuf/any.proto";

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

option java_package = "io.envoyproxy.envoy.api.v2.cluster";
option java_outer_classname = "FilterProto";
option java_multiple_files = true;
option go_package = "github.com/envoyproxy/go-control-plane/envoy/api/v2/cluster";
option csharp_namespace = "Envoy.Api.V2.ClusterNS";
option ruby_package = "Envoy::Api::V2::ClusterNS";
option (udpa.annotations.file_migrate).move_to_package = "envoy.config.cluster.v3";
option (udpa.annotations.file_status).package_version_status = FROZEN;

// [#protodoc-title: Upstream filters]
// Upstream filters apply to the connections to the upstream cluster hosts.

message Filter {
  // The name of the filter to instantiate. The name must match a
  // :ref:`supported filter <config_network_filters>`.
  string name = 1 [(validate.rules).string = {min_bytes: 1}];

  // Filter specific configuration which depends on the filter being
  // instantiated. See the supported filters for further documentation.
  google.protobuf.Any typed_config = 2;
}