tracing

package

v2.4.4 Latest Latest Go to latest Published: Feb 15, 2022 License: MIT Imports: 5 Imported by: 0

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Package tracing contains opentracing support.

This section is empty.

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var (
	// TracingMDKey is the meta data key to carry tracing data.
	TracingMDKey = "nptracing"
)

func ExtractSpanCtx(tracer ot.Tracer, md npmd.MD) (ot.SpanContext, error)

ExtractSpanCtx extracts span context from `md` or nil if not found.

func InjectSpanCtx(tracer ot.Tracer, spanCtx ot.SpanContext, md npmd.MD) (npmd.MD, error)

InjectSpanCtx adds span context to `md` (a new one is created). `md` can be nil.

func SetSpanError(span ot.Span, err error)

SetSpanError set error on the span. If `err` is nil, then nop.

func SpanCtxFromCtx(ctx context.Context) ot.SpanContext

SpanCtxFromCtx gets span context from context. Returns nil if there is no span set.

This section is empty.

Path	Synopsis
msg Package msgtracing contains msg middlewares to add opentracing support.	Package msgtracing contains msg middlewares to add opentracing support.
rpc Package rpctracing contains rpc middlewares to add opentracing support.	Package rpctracing contains rpc middlewares to add opentracing support.