NewStoreWithFallback takes several implementations of the Store and returns an instance of Store which calls all implementations concurrently with given interval and returns first non-error response.

NewStoreWithRetry returns StoreWithRetry.

NewStoreWithTracing returns StoreWithTracing.

StoreWithFallback implements Store interface wrapped with Prometheus metrics.

StoreWithRetry implements Store interface instrumented with retries.

StoreWithTracing implements Store interface instrumented with opentracing spans.