Function ExtractNoGenerateMetrics

modules/generator/generator.go:294–306

ExtractNoGenerateMetrics checks for presence of context keys that indicate no span-derived metrics should be generated for the request. If any such context key is present, this will return true, otherwise it will return false.

(ctx context.Context)

// span-derived metrics should be generated for the request. If any such context
// key is present, this will return true, otherwise it will return false.
func ExtractNoGenerateMetrics(ctx context.Context) bool {
	// check gRPC context
	if len(metadata.ValueFromIncomingContext(ctx, NoGenerateMetricsContextKey)) > 0 {
		return true
	}

	// check http context
	if len(client.FromContext(ctx).Metadata.Get(NoGenerateMetricsContextKey)) > 0 {
		return true
	}

	return false
}