trace

Documentation

Index

• Constants
• func ContextWithSpan(c *gin.Context) (ctx context.Context, ok bool)
• func ExtraTraceID(ctx context.Context, key string) string
• func Init(sf int, svcName, addr string)
• func NewTracer(servicename string, addr string) (opentracing.Tracer, io.Closer, error)
• func SetSamplingFrequency(n int)
• func TracerWrapper(c *gin.Context)

Constants

const TracerKey = "Tracer-context"

Functions

func ContextWithSpan

func ContextWithSpan(c *gin.Context) (ctx context.Context, ok bool)

ContextWithSpan 返回context

func ExtraTraceID

func ExtraTraceID(ctx context.Context, key string) string

func Init

func Init(sf int, svcName, addr string)

func NewTracer

func NewTracer(servicename string, addr string) (opentracing.Tracer, io.Closer, error)

NewTracer 创建一个jaeger Tracer

func SetSamplingFrequency

func SetSamplingFrequency(n int)

采样频率

func TracerWrapper

func TracerWrapper(c *gin.Context)

包装context，添加 trace_id