Function WithContext

pkg/metrics/interface.go:30–37

WithContext returns a new context with a metrics recorder.

(ctx context.Context, name, prefix string)

// WithContext returns a new context with a metrics recorder.
func WithContext(ctx context.Context, name, prefix string) (context.Context, error) {
	pm := NewPromMetrics(prometheus.DefaultRegisterer, name, prefix)
	if pm == nil {
		return nil, errors.New("failed to create prometheus metrics")
	}

	return context.WithValue(ctx, ctxKey{}, pm), nil
}

// FromContext returns the metrics recorder from the context.
func FromContext(ctx context.Context) Metrics {