tracing

Documentation

Index

• func ExtractSpan(ctx context.Context) (opentracing.SpanContext, error)
• func FinishSpan(ctx context.Context, err error)
• func InjectSpan(ctx context.Context) (context.Context, error)
• func LogError(span opentracing.Span, message string)
• func StartSpan(parentCtx context.Context, opName string, tags opentracing.Tags, ...) context.Context

Functions

func ExtractSpan

func ExtractSpan(ctx context.Context) (opentracing.SpanContext, error)

ExtractSpan retrieves an opentracing span context from the given context.Context The span context can be received directly (inside the context) or via an RPC call (encoded in binary format)

func FinishSpan

func FinishSpan(ctx context.Context, err error)

FinishSpan finishes a span retrieved from the given context and logs the error if it exists

func InjectSpan

func InjectSpan(ctx context.Context) (context.Context, error)

InjectSpan retrieves an opentrancing span from the current context and creates a new context with it encoded in binary format inside the propagatable context content

func LogError

func LogError(span opentracing.Span, message string)

LogError logs an error to an opentracing span

func StartSpan

func StartSpan(
	parentCtx context.Context,
	opName string,
	tags opentracing.Tags,
	reference ...opentracing.SpanContext,
) context.Context

StartSpan starts a new span with a given parent context, operation name, tags and optional parent span. It returns a context with the created span.