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Versions in this module

v1

v1.12.2

Oct 7, 2026

v1.12.1

Oct 5, 2026

v1.12.0

Oct 4, 2026

v1.11.0

Oct 3, 2026

v1.10.0

Oct 2, 2026

v1.9.1

Oct 2, 2026

Changes in this version

+ const TraceparentHeader

+ const TracestateHeader

+ func ContextWithRemote(ctx context.Context, sc SpanContext) context.Context

+ func ContextWithSpan(ctx context.Context, s *Span) context.Context

+ func Extract(ctx context.Context, h http.Header) context.Context

+ func Inject(ctx context.Context, h http.Header)

+ func TraceIDFromContext(ctx context.Context) string

+ func Transport(base http.RoundTripper) http.RoundTripper

+ type Event struct

+ Attrs map[string]any

+ Name string

+ Time time.Time

+ type Exporter interface

+ ExportSpans func(spans []SpanData)

+ Shutdown func(ctx context.Context) error

+ type OTLPConfig struct

+ BatchSize int

+ Client *http.Client

+ Endpoint string

+ FlushInterval time.Duration

+ Headers map[string]string

+ MaxQueue int

+ Resource map[string]string

+ ServiceName string

+ type OTLPExporter struct

+ func ConfigureFromEnv() *OTLPExporter

+ func NewOTLPExporter(cfg OTLPConfig) *OTLPExporter

+ func (e *OTLPExporter) ExportSpans(spans []SpanData)

+ func (e *OTLPExporter) Flush(ctx context.Context) error

+ func (e *OTLPExporter) Shutdown(ctx context.Context) error

+ type Span struct

+ func SpanFromContext(ctx context.Context) *Span

+ func Start(ctx context.Context, name string, opts ...StartOption) (context.Context, *Span)

+ func (s *Span) AddEvent(name string, attrs map[string]any)

+ func (s *Span) End()

+ func (s *Span) RecordError(err error)

+ func (s *Span) SetAttr(key string, value any)

+ func (s *Span) SetError(description string)

+ func (s *Span) SpanContext() SpanContext

+ type SpanContext struct

+ Remote bool

+ Sampled bool

+ SpanID SpanID

+ TraceID TraceID

+ TraceState string

+ func ParseTraceparent(h string) (SpanContext, error)

+ func SpanContextFromContext(ctx context.Context) SpanContext

+ func (sc SpanContext) IsValid() bool

+ func (sc SpanContext) Traceparent() string

+ type SpanData struct

+ Attrs map[string]any

+ End time.Time

+ Error bool

+ ErrorString string

+ Events []Event

+ Kind SpanKind

+ Name string

+ Parent SpanID

+ SpanID SpanID

+ Start time.Time

+ TraceID TraceID

+ TraceState string

+ type SpanID [8]byte

+ func (s SpanID) IsValid() bool

+ func (s SpanID) String() string

+ type SpanKind int

+ const KindClient

+ const KindConsumer

+ const KindInternal

+ const KindProducer

+ const KindServer

+ type StartOption func(*Span)

+ func WithAttrs(attrs map[string]any) StartOption

+ func WithKind(k SpanKind) StartOption

+ func WithParent(sc SpanContext) StartOption

+ type TraceID [16]byte

+ func (t TraceID) IsValid() bool

+ func (t TraceID) String() string

+ type Tracer struct

+ func Global() *Tracer

+ func (t *Tracer) SetExporter(e Exporter)

+ func (t *Tracer) SetSampleRatio(r float64)

+ func (t *Tracer) Start(ctx context.Context, name string, opts ...StartOption) (context.Context, *Span)