istio.io/istio@v0.0.0-20240520182934-d79c90f27776/pilot/pkg/xds/requestidextension/uuid_extension.go (about)

     1  // Copyright Istio Authors
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package requestidextension
    16  
    17  import (
    18  	hcm "github.com/envoyproxy/go-control-plane/envoy/extensions/filters/network/http_connection_manager/v3"
    19  	uuid_extension "github.com/envoyproxy/go-control-plane/envoy/extensions/request_id/uuid/v3"
    20  	"google.golang.org/protobuf/types/known/wrapperspb"
    21  
    22  	"istio.io/istio/pilot/pkg/util/protoconv"
    23  )
    24  
    25  var UUIDRequestIDExtension = &hcm.RequestIDExtension{
    26  	TypedConfig: protoconv.MessageToAny(&uuid_extension.UuidRequestIdConfig{
    27  		UseRequestIdForTraceSampling: &wrapperspb.BoolValue{
    28  			Value: true,
    29  		},
    30  	}),
    31  }
    32  
    33  func BuildUUIDRequestIDExtension(ctx *UUIDRequestIDExtensionContext) *hcm.RequestIDExtension {
    34  	if ctx == nil {
    35  		return UUIDRequestIDExtension
    36  	}
    37  	return &hcm.RequestIDExtension{
    38  		TypedConfig: protoconv.MessageToAny(&uuid_extension.UuidRequestIdConfig{
    39  			UseRequestIdForTraceSampling: &wrapperspb.BoolValue{
    40  				Value: ctx.UseRequestIDForTraceSampling,
    41  			},
    42  		}),
    43  	}
    44  }