kooper handler opentracing

handler-opentracing.go

hand := &handler.HandlerFunc{
    AddFunc: func(ctx context.Context, obj runtime.Object) error {
        // Get the parent span.
        pSpan := opentracing.SpanFromContext(ctx)

        // Create a new span.
        span := tracer.StartSpan("AddFunc", opentracing.ChildOf(pSpan.Context()))
        defer span.Finish()

        // Do stuff...

        return nil
    },
    DeleteFunc: func(ctx context.Context, s string) error {
        // Get the parent span.
        pSpan := opentracing.SpanFromContext(ctx)

        // Create a new span.
        span := tracer.StartSpan("DeleteFunc", opentracing.ChildOf(pSpan.Context()))
        defer span.Finish()

        // Do stuff...

        return nil
    },
}