func NewHandler ¶

NewHandler creates new instance of Handler using Prometheus default registry.

func NewHandlerWithConfig ¶

NewHandlerWithConfig creates new instance of Handler using given configuration.

NewMiddleware creates new instance of middleware using Prometheus default registry.

NewMiddlewareWithConfig creates new instance of middleware using given configuration.

RunPushGatewayGatherer starts pushing collected metrics and waits for it context to complete or ErrorHandler to return error.

Example: ```

go func() {
	config := echoprometheus.PushGatewayConfig{
		PushGatewayURL: "https://host:9080",
		PushInterval:   10 * time.Millisecond,
	}
	if err := echoprometheus.RunPushGatewayGatherer(context.Background(), config); !errors.Is(err, context.Canceled) {
		log.Fatal(err)
	}
}()

```

WriteGatheredMetrics gathers collected metrics and writes them to given writer

type HandlerConfig ¶

HandlerConfig contains the configuration for creating HTTP handler for metrics.

LabelValueFunc is a function that returns a label value for a given context and error.

MiddlewareConfig contains the configuration for creating prometheus middleware collecting several default metrics.

PushGatewayConfig contains the configuration for pushing to a Prometheus push gateway.