Expose step property for StatsdConfig

Author: izeye

spring-boot-project/spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/metrics/export/statsd/StatsdProperties.java

@@ -71,6 +71,13 @@ public class StatsdProperties {
 	 */
 	private Duration pollingFrequency = Duration.ofSeconds(10);
 
+	/**
+	 * The step size to use in computing windowed statistics like max. The default is 1
+	 * minute. To get the most out of these statistics, align the step interval to be
+	 * close to your scrape interval.
+	 */
+	private Duration step = Duration.ofMinutes(1);
+
 	/**
 	 * Whether to send unchanged meters to the StatsD server.
 	 */
@@ -137,6 +144,14 @@ public void setPollingFrequency(Duration pollingFrequency) {
 		this.pollingFrequency = pollingFrequency;
 	}
 
+	public Duration getStep() {
+		return this.step;
+	}
+
+	public void setStep(Duration step) {
+		this.step = step;
+	}
+
 	public boolean isPublishUnchangedMeters() {
 		return this.publishUnchangedMeters;
 	}

spring-boot-project/spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/metrics/export/statsd/StatsdPropertiesConfigAdapter.java

@@ -81,6 +81,11 @@ public Duration pollingFrequency() {
 		return get(StatsdProperties::getPollingFrequency, StatsdConfig.super::pollingFrequency);
 	}
 
+	@Override
+	public Duration step() {
+		return get(StatsdProperties::getStep, StatsdConfig.super::step);
+	}
+
 	@Override
 	public boolean publishUnchangedMeters() {
 		return get(StatsdProperties::isPublishUnchangedMeters, StatsdConfig.super::publishUnchangedMeters);

spring-boot-project/spring-boot-actuator-autoconfigure/src/test/java/org/springframework/boot/actuate/autoconfigure/metrics/export/statsd/StatsdPropertiesConfigAdapterTests.java

@@ -82,6 +82,13 @@ void whenPropertiesPollingFrequencyIsSetAdapterPollingFrequencyReturnsIt() {
 				.isEqualTo(properties.getPollingFrequency());
 	}
 
+	@Test
+	void whenPropertiesStepIsSetAdapterStepReturnsIt() {
+		StatsdProperties properties = new StatsdProperties();
+		properties.setStep(Duration.ofSeconds(1));
+		assertThat(new StatsdPropertiesConfigAdapter(properties).step()).isEqualTo(properties.getStep());
+	}
+
 	@Test
 	void whenPropertiesPublishUnchangedMetersIsSetAdapterPublishUnchangedMetersReturnsIt() {
 		StatsdProperties properties = new StatsdProperties();

spring-boot-project/spring-boot-actuator-autoconfigure/src/test/java/org/springframework/boot/actuate/autoconfigure/metrics/export/statsd/StatsdPropertiesTests.java

@@ -39,6 +39,7 @@ void defaultValuesAreConsistent() {
 		assertThat(properties.getProtocol()).isEqualTo(config.protocol());
 		assertThat(properties.getMaxPacketLength()).isEqualTo(config.maxPacketLength());
 		assertThat(properties.getPollingFrequency()).isEqualTo(config.pollingFrequency());
+		assertThat(properties.getStep()).isEqualTo(config.step());
 		assertThat(properties.isPublishUnchangedMeters()).isEqualTo(config.publishUnchangedMeters());
 		assertThat(properties.isBuffered()).isEqualTo(config.buffered());
 	}