NewHttpMetrics returns a HttpMetrics object.

To support grpc prometheus options.

HttpMetrics represents a collection of metrics to be registered on a Prometheus metrics registry for a http server.

Counter is a Metric that represents a single numerical value that only ever goes up.

CounterVec is returned by NewCounterVec.

Gauge is a Metric that represents a single numerical value that can arbitrarily go up and down.

GaugeVec is returned by NewGaugeVec.

A Histogram counts individual observations from an event or sample stream in configurable buckets.

HistogramVec is returned by NewHistogramVec.

HttpServerMetrics is an integrated metric collector to measure count of any kind of error and elapsed time of each http call.

Registry is a metrics gather.

ServerMetrics is an integrated metric collector to measure count of any kind of error and elapsed time of each grpc method.

Timer represents a Histogram Metrics to observe the time duration according to given begin time.

Worker includes Timer Metrics to observe the time duration according to given begin time, and counter Metreic to gather the success count and fail count.