grpc 集成 opentelemetry_otel grpc-优快云博客

文章介绍了如何在Go语言的服务端和客户端代码中集成OpenTelemetry和Jaeger，以实现分布式追踪，包括创建TracerProvider、设置资源属性和使用gRPC的拦截器进行OpenTelemetry追踪。

服务端代码：

package main

import (
   "context"
   "flag"
   "fmt"
   "go.opentelemetry.io/otel"
   "go.opentelemetry.io/otel/attribute"
   "go.opentelemetry.io/otel/exporters/jaeger"
   "go.opentelemetry.io/otel/propagation"
   "go.opentelemetry.io/otel/sdk/resource"
   "go.opentelemetry.io/otel/sdk/trace"
   "google.golang.org/grpc/codes"
   "google.golang.org/grpc/status"
   "log"
   "net"

   pb "GoStart/error/rpc"
   "go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc"
   "google.golang.org/grpc"

   semconv "go.opentelemetry.io/otel/semconv/v1.12.0"
)

const (
   traceName = "mxshop-otel"
)

var tp *trace.TracerProvider

func tracerProvider() error {
   
   
   url := "http://127.0.0.1:14268/api/traces"
   jexp, err := jaeger.New(jaeger.WithCollectorEndpoint(jaeger.WithEndpoint(url)))
   if err != nil {
   
   
      panic(err)
   }

   tp = trace.NewTracerProvider(
      trace.WithBatcher(jexp),
      trace.WithResource(
         resource.NewWithAttributes(
            semconv.SchemaURL,
            semconv.ServiceNameKey.String("mxshop-user"),
            attribute.String("environment", "dev"),
            attribute.Int("ID", 1),
         ),
      ),
   )
   otel.SetTracerProvider(tp