interceptor.go

// Copyright 2016-2018, Pulumi Corporation.
//
// 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 rpcutil

import (
	"github.com/grpc-ecosystem/grpc-opentracing/go/otgrpc"
	opentracing "github.com/opentracing/opentracing-go"
	"google.golang.org/grpc"
)

// OpenTracingServerInterceptor provides a default gRPC server interceptor for emitting tracing to the global
// OpenTracing tracer.
func OpenTracingServerInterceptor() grpc.UnaryServerInterceptor {
	return otgrpc.OpenTracingServerInterceptor(
		// Use the globally installed tracer
		opentracing.GlobalTracer(),
		// Log full payloads along with trace spans
		otgrpc.LogPayloads(),
	)
}

// OpenTracingClientInterceptor provides a default gRPC client interceptor for emitting tracing to the global
// OpenTracing tracer.
func OpenTracingClientInterceptor() grpc.UnaryClientInterceptor {
	return otgrpc.OpenTracingClientInterceptor(
		// Use the globally installed tracer
		opentracing.GlobalTracer(),
		// Log full payloads along with trace spans
		otgrpc.LogPayloads(),
	)
}