tencent cloud

nohup ./jaeger-agent --reporter.grpc.host-port={{collectorRPCHostPort}} --agent.tags=token={{token}}

cfg := &jaegerConfig.Configuration{
    ServiceName: grpcServerName, //对其发起请求的的调用链，叫什么服务
    Sampler: &jaegerConfig.SamplerConfig{ //采样策略的配置，详情见4.1.1
    Type:  "const",
    Param: 1,
    },
    Reporter: &jaegerConfig.ReporterConfig{ //配置客户端如何上报trace信息，所有字段都是可选的
    LogSpans:          true,
    LocalAgentHostPort: endPoint,
    },
    //Token配置
    Tags:        []opentracing.Tag{ //设置tag，token等信息可存于此
    opentracing.Tag{Key: "token", Value: token}, //设置token
    },
}
tracer, closer, err := cfg.NewTracer(jaegerConfig.Logger(jaeger.StdLogger)) //根据配置得到tracer

s := grpc.NewServer(grpc.UnaryInterceptor(otgrpc.OpenTracingServerInterceptor(tracer)))

// 在gRPC服务器处注册我们的服务
pb.RegisterHelloTraceServer(s, &server{})
if err := s.Serve(lis); err != nil {
   log.Fatalf("failed to serve: %v", err)
}

// Copyright © 2019-2020 Tencent Co., Ltd.

// This file is part of tencent project.
// Do not copy, cite, or distribute without the express
// permission from Cloud Monitor group.

package grpcdemo

import (
    "context"
    "fmt"
    "github.com/opentracing/opentracing-go"
    "github.com/uber/jaeger-client-go"
    jaegerConfig "github.com/uber/jaeger-client-go/config"
    "log"
    "net"

    "github.com/opentracing-contrib/go-grpc"
    "google.golang.org/grpc"
)

const (
    // 服务名 服务唯一标示，服务指标聚合过滤依据。
    grpcServerName = "demo-grpc-server"
    serverPort     = ":9090"
)

// server is used to implement proto.HelloTraceServer.
type server struct {
    UnimplementedHelloTraceServer
}

// SayHello implements proto.HelloTraceServer
func (s *server) SayHello(ctx context.Context, in *TraceRequest) (*TraceResponse, error) {
    log.Printf("Received: %v", in.GetName())
    return &TraceResponse{Message: "Hello " + in.GetName()}, nil
}

// StartServer
func StartServer() {
    cfg := &jaegerConfig.Configuration{
        ServiceName: grpcServerName, //对其发起请求的的调用链，叫什么服务
        Sampler: &jaegerConfig.SamplerConfig{ //采样策略的配置，详情见4.1.1
            Type:  "const",
            Param: 1,
        },
        Reporter: &jaegerConfig.ReporterConfig{ //配置客户端如何上报trace信息，所有字段都是可选的
            LogSpans:           true,
            LocalAgentHostPort: endPoint,
        },
        //Token配置
        Tags: []opentracing.Tag{ //设置tag，token等信息可存于此
            opentracing.Tag{Key: "token", Value: token}, //设置token
        },
    }
    tracer, closer, err := cfg.NewTracer(jaegerConfig.Logger(jaeger.StdLogger)) //根据配置得到tracer
    defer closer.Close()
    if err != nil {
        panic(fmt.Sprintf("ERROR: fail init Jaeger: %v\\n", err))
    }
    lis, err := net.Listen("tcp", serverPort)
    if err != nil {
        log.Fatalf("failed to listen: %v", err)
    }
    s := grpc.NewServer(grpc.UnaryInterceptor(otgrpc.OpenTracingServerInterceptor(tracer)))

    // 在gRPC服务器处注册我们的服务
    RegisterHelloTraceServer(s, &server{})
    if err := s.Serve(lis); err != nil {
        log.Fatalf("failed to serve: %v", err)
    }
}

cfg := &jaegerConfig.Configuration{
    ServiceName: grpcClientName, //对其发起请求的的调用链，叫什么服务
    Sampler: &jaegerConfig.SamplerConfig{ //采样策略的配置，详情见4.1.1
    Type:  "const",
    Param: 1,
    },
    Reporter: &jaegerConfig.ReporterConfig{ //配置客户端如何上报trace信息，所有字段都是可选的
    LogSpans:          true,
    LocalAgentHostPort: endPoint,
    },
    //Token配置
    Tags:        []opentracing.Tag{ //设置tag，token等信息可存于此
    opentracing.Tag{Key: "token", Value: token}, //设置token
    },
}
tracer, closer, err := cfg.NewTracer(jaegerConfig.Logger(jaeger.StdLogger)) //根据配置得到tracer

// 向服务端建立连接，配置拦截器
conn, err := grpc.Dial(serverAddress, grpc.WithInsecure(), grpc.WithBlock(),
        grpc.WithUnaryInterceptor(otgrpc.OpenTracingClientInterceptor(tracer)))

// Copyright © 2019-2020 Tencent Co., Ltd.

// This file is part of tencent project.
// Do not copy, cite, or distribute without the express
// permission from Cloud Monitor group.

package grpcdemo

import (
    "context"
    "fmt"
    "github.com/opentracing-contrib/go-grpc"
    "github.com/opentracing/opentracing-go"
    "github.com/uber/jaeger-client-go"
    jaegerConfig "github.com/uber/jaeger-client-go/config"
    "google.golang.org/grpc"
    "log"
    "time"
)

const (
    // 服务名 服务唯一标示，服务指标聚合过滤依据。
    grpcClientName = "demo-grpc-client"
    defaultName    = "TAW Tracing"
    serverAddress  = "localhost:9090"
    endPoint       = "xxxxx:6831" // 本地agent地址
    token          = "abc"
)

// StartClient
func StartClient() {
    cfg := &jaegerConfig.Configuration{
        ServiceName: grpcClientName, //对其发起请求的的调用链，叫什么服务
        Sampler: &jaegerConfig.SamplerConfig{ //采样策略的配置，详情见4.1.1
            Type:  "const",
            Param: 1,
        },
        Reporter: &jaegerConfig.ReporterConfig{ //配置客户端如何上报trace信息，所有字段都是可选的
            LogSpans:           true,
            LocalAgentHostPort: endPoint,
        },
        //Token配置
        Tags: []opentracing.Tag{ //设置tag，token等信息可存于此
            opentracing.Tag{Key: "token", Value: token}, //设置token
        },
    }
    tracer, closer, err := cfg.NewTracer(jaegerConfig.Logger(jaeger.StdLogger)) //根据配置得到tracer
    defer closer.Close()
    if err != nil {
        panic(fmt.Sprintf("ERROR: fail init Jaeger: %v\\n", err))
    }
    // 向服务端建立链接，配置拦截器
    conn, err := grpc.Dial(serverAddress, grpc.WithInsecure(), grpc.WithBlock(),
        grpc.WithUnaryInterceptor(otgrpc.OpenTracingClientInterceptor(tracer)))
    if err != nil {
        log.Fatalf("did not connect: %v", err)
    }
    defer conn.Close()

    //
    c := NewHelloTraceClient(conn)
    ctx, cancel := context.WithTimeout(context.Background(), time.Second)
    defer cancel()
    // 发起RPC调用
    r, err := c.SayHello(ctx, &TraceRequest{Name: defaultName})
    if err != nil {
        log.Fatalf("could not greet: %v", err)
    }
    log.Printf("RPC Client receive: %s", r.GetMessage())
}