etrace

README

trace

Documentation

Index

• Variables
• func CustomTag(key string, val interface{}) opentracing.Tag
• func ExtractTraceID(ctx context.Context) string
• func FromIncomingContext(ctx context.Context) opentracing.StartSpanOption
• func HeaderExtractor(hdr map[string][]string) opentracing.StartSpanOption
• func HeaderInjector(ctx context.Context, hdr map[string][]string) context.Context
• func MetadataExtractor(md map[string][]string) opentracing.StartSpanOption
• func MetadataInjector(ctx context.Context, md metadata.MD) context.Context
• func SetGlobalTracer(tracer opentracing.Tracer)
• func SpanFromContext(ctx context.Context) opentracing.Span
• func StartSpanFromContext(ctx context.Context, op string, opts ...opentracing.StartSpanOption) (opentracing.Span, context.Context)
• func TagComponent(component string) opentracing.Tag
• func TagSpanKind(kind string) opentracing.Tag
• func TagSpanURL(url string) opentracing.Tag
• type MetadataReaderWriter
  • func (w MetadataReaderWriter) ForeachKey(handler func(key, val string) error) error
  • func (w MetadataReaderWriter) Set(key, val string)
• type NullStartSpanOption
  • func (sso NullStartSpanOption) Apply(options *opentracing.StartSpanOptions)

Variables

var (
	// String ...
	String = log.String
)

Functions

func CustomTag

func CustomTag(key string, val interface{}) opentracing.Tag

CustomTag ...

func ExtractTraceID

func ExtractTraceID(ctx context.Context) string

ExtractTraceID HTTP使用request.Context，不要使用错了

func FromIncomingContext

func FromIncomingContext(ctx context.Context) opentracing.StartSpanOption

FromIncomingContext ...

func HeaderExtractor

func HeaderExtractor(hdr map[string][]string) opentracing.StartSpanOption

HeaderExtractor ...

func HeaderInjector

func HeaderInjector(ctx context.Context, hdr map[string][]string) context.Context

HeaderInjector ...

func MetadataExtractor

func MetadataExtractor(md map[string][]string) opentracing.StartSpanOption

MetadataExtractor ...

func MetadataInjector

func MetadataInjector(ctx context.Context, md metadata.MD) context.Context

MetadataInjector ...

func SetGlobalTracer

func SetGlobalTracer(tracer opentracing.Tracer)

SetGlobalTracer ...

func SpanFromContext

func SpanFromContext(ctx context.Context) opentracing.Span

SpanFromContext ...

func StartSpanFromContext

func StartSpanFromContext(ctx context.Context, op string, opts ...opentracing.StartSpanOption) (opentracing.Span, context.Context)

StartSpanFromContext ...

func TagComponent

func TagComponent(component string) opentracing.Tag

TagComponent ...

func TagSpanKind

func TagSpanKind(kind string) opentracing.Tag

TagSpanKind ...

func TagSpanURL

func TagSpanURL(url string) opentracing.Tag

TagSpanURL ...

Types

type MetadataReaderWriter

type MetadataReaderWriter struct {
	MD map[string][]string
}

MetadataReaderWriter ...

func (MetadataReaderWriter) ForeachKey

func (w MetadataReaderWriter) ForeachKey(handler func(key, val string) error) error

ForeachKey ...

func (MetadataReaderWriter) Set

func (w MetadataReaderWriter) Set(key, val string)

Set ...

type NullStartSpanOption

type NullStartSpanOption struct{}

NullStartSpanOption ...

func (NullStartSpanOption) Apply

func (sso NullStartSpanOption) Apply(options *opentracing.StartSpanOptions)

Apply ...