Function ExampleConfig_metrics

config_test.go:587–607

This example shows how to integrate with an existing registry as well as publishing metrics on the standard output

()

// This example shows how to integrate with an existing registry as well as publishing metrics
// on the standard output
func ExampleConfig_metrics() {
	// Our application registry
	appMetricRegistry := metrics.NewRegistry()
	appGauge := metrics.GetOrRegisterGauge("m1", appMetricRegistry)
	appGauge.Update(1)

	config := NewTestConfig()
	// Use a prefix registry instead of the default local one
	config.MetricRegistry = metrics.NewPrefixedChildRegistry(appMetricRegistry, "sarama.")

	// Simulate a metric created by sarama without starting a broker
	saramaGauge := metrics.GetOrRegisterGauge("m2", config.MetricRegistry)
	saramaGauge.Update(2)

	metrics.WriteOnce(appMetricRegistry, os.Stdout)
	// Output:
	// gauge m1
	//   value:               1
	// gauge sarama.m2
	//   value:               2
}