CloseOpenTracingMWSpan returns a new middleware for closing the OpenTracing span which then writes trace to underline tracing service.

GetSpanFromContext returns a OpenTracing span if available from provided context.

InitZipkinTracer inits the jaeger client Service PageName in Jaeger Query - edit accordingly to the Kubernetes service name (ask us if you don't know).

NewMethodSpanFromContext returns a OpenTracing span if available from provided context.

NewSpanFromContext returns a new OpenTracing child span which was created as a child of a existing span from the underline context if it exists, else returning no Span.

OpenTracingSpanMW returns a middleware function able to based on tracing configuration key, enable and setup tracing using opentracing spans.

WithKV as new key-value pair into the spans baggage store.

WithTrace returns a new context.Context and a function which can be used to finish the opentracing.Span attached to giving context.

WithTag adds a new tag into a giving span.

WithTrace returns a new context.Context and a function which can be used to finish the opentracing.Span attached to giving context.

SpanKey provides giving key-name used to store open-tracing span into the context.