opentracing

README

Opentracing

Tracing仅由Gateway控制，在下游服务中仅在有Tracing时启动

Documentation

Overview

Package opentracing provides wrappers for OpenTracing

Index

• func NewCallWrapper(ot opentracing.Tracer) client.CallWrapper
• func NewClientWrapper(ot opentracing.Tracer) client.Wrapper
• func NewHandlerWrapper(ot opentracing.Tracer) server.HandlerWrapper
• func NewSubscriberWrapper(ot opentracing.Tracer) server.SubscriberWrapper
• func SpanFromContext(ctx context.Context, tracer opentracing.Tracer, name string, ...) (context.Context, opentracing.Span, error)
• func StartSpanFromContext(ctx context.Context, tracer opentracing.Tracer, name string, ...) (context.Context, opentracing.Span, error)

Functions

func NewCallWrapper

func NewCallWrapper(ot opentracing.Tracer) client.CallWrapper

NewCallWrapper accepts an opentracing Tracer and returns a Call Wrapper

func NewClientWrapper

func NewClientWrapper(ot opentracing.Tracer) client.Wrapper

NewClientWrapper accepts an open tracing Trace and returns a Client Wrapper

func NewHandlerWrapper

func NewHandlerWrapper(ot opentracing.Tracer) server.HandlerWrapper

NewHandlerWrapper accepts an opentracing Tracer and returns a Handler Wrapper

func NewSubscriberWrapper

func NewSubscriberWrapper(ot opentracing.Tracer) server.SubscriberWrapper

NewSubscriberWrapper accepts an opentracing Tracer and returns a Subscriber Wrapper

func SpanFromContext

func SpanFromContext(ctx context.Context, tracer opentracing.Tracer, name string, opts ...opentracing.StartSpanOption) (context.Context, opentracing.Span, error)

SpanFromContext returns a new span with the given operation name and options. 如果没在context中没有找到span，返回nil

func StartSpanFromContext

func StartSpanFromContext(ctx context.Context, tracer opentracing.Tracer, name string, opts ...opentracing.StartSpanOption) (context.Context, opentracing.Span, error)

StartSpanFromContext returns a new span with the given operation name and options. If a span is found in the context, it will be used as the parent of the resulting span.