tracing

Documentation

Index

• func Client(opt ...Option) middleware.Middleware
• func Server(opt ...Option) middleware.Middleware
• type Metadata
  • func (b Metadata) Extract(parent context.Context, carrier propagation.TextMapCarrier) context.Context
  • func (b Metadata) Fields() []string
  • func (b Metadata) Inject(ctx context.Context, carrier propagation.TextMapCarrier)
• type Option
  • func WithName(name string) Option
  • func WithPropagator(propagator propagation.TextMapPropagator) Option
  • func WithProvider(provider trace.TracerProvider) Option
• type Tracer
  • func NewTracer(kind trace.SpanKind, opts ...Option) *Tracer
  • func (t *Tracer) End(ctx context.Context, span trace.Span, msg any, err error)
  • func (t *Tracer) Start(ctx context.Context, spanName string, carrier propagation.TextMapCarrier) (context.Context, trace.Span)

Functions

func Client

func Client(opt ...Option) middleware.Middleware

func Server

func Server(opt ...Option) middleware.Middleware

Types

type Metadata

type Metadata struct{}

func (Metadata) Extract

func (b Metadata) Extract(parent context.Context, carrier propagation.TextMapCarrier) context.Context

Extract reads cross-cutting concerns from the carrier into a Context.

func (Metadata) Fields

func (b Metadata) Fields() []string

Fields returns the keys who's values are set with Inject.

func (Metadata) Inject

func (b Metadata) Inject(ctx context.Context, carrier propagation.TextMapCarrier)

Inject set cross-cutting concerns from the Context into the carrier.

type Option

type Option func(o *options)

func WithName

func WithName(name string) Option

func WithPropagator

func WithPropagator(propagator propagation.TextMapPropagator) Option

func WithProvider

func WithProvider(provider trace.TracerProvider) Option

type Tracer

type Tracer struct {
	// contains filtered or unexported fields
}

func NewTracer

func NewTracer(kind trace.SpanKind, opts ...Option) *Tracer

func (*Tracer) End

func (t *Tracer) End(ctx context.Context, span trace.Span, msg any, err error)

func (*Tracer) Start

func (t *Tracer) Start(ctx context.Context, spanName string, carrier propagation.TextMapCarrier) (context.Context, trace.Span)