tracing

Documentation

Index

• func Component(span opentracing.Span, component string)
• func CtxWith(parentCtx context.Context, operationName string, ...) (opentracing.Span, context.Context)
• func Error(span opentracing.Span, err error)
• func IDFromCtx(ctx context.Context) []byte
• func LoggerWith(ctx context.Context, logger log.Logger) log.Logger
• func ResultLabel(span opentracing.Span, label string)
• func StartSpanFromCtx(ctx context.Context, operationName string, opts ...opentracing.StartSpanOption) (opentracing.Span, context.Context)

Functions

func Component

func Component(span opentracing.Span, component string)

Component sets the 'component' tag according to the provided value.

func CtxWith

func CtxWith(parentCtx context.Context, operationName string,
	opts ...opentracing.StartSpanOption) (opentracing.Span, context.Context)

CtxWith creates a new span and attaches it to the context, it also sets the debug id of the logger and the span id and attaches the logger to the context.

func Error

func Error(span opentracing.Span, err error)

Error sets the 'error' and 'error.msg' tags according to the provided error.

func IDFromCtx

func IDFromCtx(ctx context.Context) []byte

IDFromCtx reads the tracing ID from the context.

func LoggerWith

func LoggerWith(ctx context.Context, logger log.Logger) log.Logger

LoggerWith attaches the trace ID if the context contains a span.

func ResultLabel

func ResultLabel(span opentracing.Span, label string)

ResultLabel sets the operation result label on the span.

func StartSpanFromCtx

func StartSpanFromCtx(ctx context.Context, operationName string,
	opts ...opentracing.StartSpanOption) (opentracing.Span, context.Context)

StartSpanFromCtx wraps opentracing.StartSpanFromContext for convenience.