wrapper

README

grpc-jaeger

grpc-jaeger is a kind of interceptor to gRPC implemented by Go, which is based on opentracing and uber/jaeger. You can use it to build a distributed gRPC-tracing system.

Dependencies

github.com/opentracing/opentracing-go
github.com/uber/jaeger-client-go

Testing

get the result from the UI

Open the url http://192.168.174.135:16686/, and search the specified service. Then you should see the result like this as below：

Documentation

Index

• func ClientInterceptor(tracer opentracing.Tracer) grpc.UnaryClientInterceptor
• func DialOption(tracer opentracing.Tracer) grpc.DialOption
• func NewJaegerTracer(serviceName string, jaegerHost string) (tracer opentracing.Tracer, closer io.Closer, err error)
• func ServerInterceptor(tracer opentracing.Tracer) grpc.UnaryServerInterceptor
• func ServerOption(tracer opentracing.Tracer) grpc.ServerOption
• type MDReaderWriter
  • func (c MDReaderWriter) ForeachKey(handler func(key, val string) error) error
  • func (c MDReaderWriter) Set(key, val string)

Functions

func ClientInterceptor

func ClientInterceptor(tracer opentracing.Tracer) grpc.UnaryClientInterceptor

ClientInterceptor grpc client wrapper

func DialOption

func DialOption(tracer opentracing.Tracer) grpc.DialOption

DialOption grpc client option

func NewJaegerTracer

func NewJaegerTracer(serviceName string, jaegerHost string) (tracer opentracing.Tracer, closer io.Closer, err error)

NewJaegerTracer NewJaegerTracer for current service

func ServerInterceptor

func ServerInterceptor(tracer opentracing.Tracer) grpc.UnaryServerInterceptor

ServerInterceptor grpc server wrapper

func ServerOption

func ServerOption(tracer opentracing.Tracer) grpc.ServerOption

ServerOption grpc server option

Types

type MDReaderWriter

type MDReaderWriter struct {
	metadata.MD
}

MDReaderWriter metadata Reader and Writer

func (MDReaderWriter) ForeachKey

func (c MDReaderWriter) ForeachKey(handler func(key, val string) error) error

ForeachKey implements ForeachKey of opentracing.TextMapReader

func (MDReaderWriter) Set

func (c MDReaderWriter) Set(key, val string)

Set implements Set() of opentracing.TextMapWriter