// Copyright 2025 Envoy Project Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// 
//     http://www.apache.org/licenses/LICENSE-2.0
// 
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

syntax = "proto3";

package envoy.extensions.retry.host.omit_host_metadata.v3;

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

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

option java_package = "io.envoyproxy.envoy.extensions.retry.host.omit_host_metadata.v3";
option java_outer_classname = "OmitHostMetadataConfigProto";
option java_multiple_files = true;
option go_package = "github.com/envoyproxy/go-control-plane/envoy/extensions/retry/host/omit_host_metadata/v3;omit_host_metadatav3";
option (udpa.annotations.file_status).package_version_status = ACTIVE;

// [#protodoc-title: Omit host metadata retry predicate]

// A retry host predicate that can be used to reject a host based on
// predefined metadata match criteria.
// [#extension: envoy.retry_host_predicates.omit_host_metadata]
message OmitHostMetadataConfig {
  option (udpa.annotations.versioning).previous_message_type =
      "envoy.config.retry.omit_host_metadata.v2.OmitHostMetadataConfig";

  // Retry host predicate metadata match criteria. The hosts in
  // the upstream cluster with matching metadata will be omitted while
  // attempting a retry of a failed request. The metadata should be specified
  // under the ``envoy.lb`` key.
  config.core.v3.Metadata metadata_match = 1;
}
