observ

Documentation

Index

• func RegisterExporter(traceExporter, URL, service, ENV string) (func(), error)
• func StartSpan(ctx context.Context, op string) (context.Context, *trace.Span)
• func Tracer(service string) buffalo.MiddlewareFunc

Functions

func RegisterExporter

func RegisterExporter(traceExporter, URL, service, ENV string) (func(), error)

RegisterExporter determines the type of TraceExporter service for exporting traces from opencensus User can choose from multiple tracing services (datadog, jaegar) RegisterExporter returns the 'Flush' function for that particular tracing service

func StartSpan

func StartSpan(ctx context.Context, op string) (context.Context, *trace.Span)

StartSpan takes in a Context Interface and opName and starts a span. It returns the new attached ObserverContext and span

func Tracer

func Tracer(service string) buffalo.MiddlewareFunc

Tracer is a middleware that starts a span from the top of a buffalo context and propates it to the bottom of the stack