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// Copyright Istio 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.
package xds
import (
"github.com/envoyproxy/go-control-plane/pkg/wellknown"
)
var (
// DeprecatedFilterNames is to support both canonical filter names
// and deprecated filter names for backward compatibility. Istiod
// generates canonical filter names.
DeprecatedFilterNames = map[string]string{
wellknown.Buffer: "envoy.buffer",
wellknown.CORS: "envoy.cors",
"envoy.filters.http.csrf": "envoy.csrf",
wellknown.Dynamo: "envoy.http_dynamo_filter",
wellknown.HTTPExternalAuthorization: "envoy.ext_authz",
wellknown.Fault: "envoy.fault",
wellknown.GRPCHTTP1Bridge: "envoy.grpc_http1_bridge",
wellknown.GRPCJSONTranscoder: "envoy.grpc_json_transcoder",
wellknown.GRPCWeb: "envoy.grpc_web",
wellknown.Gzip: "envoy.gzip",
wellknown.HealthCheck: "envoy.health_check",
wellknown.IPTagging: "envoy.ip_tagging",
wellknown.Lua: "envoy.lua",
wellknown.HTTPRateLimit: "envoy.rate_limit",
wellknown.Router: "envoy.router",
wellknown.Squash: "envoy.squash",
wellknown.HttpInspector: "envoy.listener.http_inspector",
wellknown.OriginalDestination: "envoy.listener.original_dst",
"envoy.filters.listener.original_src": "envoy.listener.original_src",
wellknown.ProxyProtocol: "envoy.listener.proxy_protocol",
wellknown.TlsInspector: "envoy.listener.tls_inspector",
wellknown.ClientSSLAuth: "envoy.client_ssl_auth",
wellknown.ExternalAuthorization: "envoy.ext_authz",
wellknown.HTTPConnectionManager: "envoy.http_connection_manager",
wellknown.MongoProxy: "envoy.mongo_proxy",
wellknown.RateLimit: "envoy.ratelimit",
wellknown.RedisProxy: "envoy.redis_proxy",
wellknown.TCPProxy: "envoy.tcp_proxy",
}
ReverseDeprecatedFilterNames = reverse(DeprecatedFilterNames)
)
func reverse(names map[string]string) map[string]string {
resp := make(map[string]string, len(names))
for k, v := range names {
resp[v] = k
}
return resp
}