Consistently use the spring.metrics configuration property prefix

See gh-9970

spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/metrics/export/atlas/AtlasExportConfiguration.java

@@ -44,7 +44,7 @@ import org.springframework.context.annotation.Import;
 public class AtlasExportConfiguration {
 
 	@Bean
-	@ConditionalOnProperty(value = "metrics.atlas.enabled", matchIfMissing = true)
+	@ConditionalOnProperty(value = "spring.metrics.atlas.enabled", matchIfMissing = true)
 	public MetricsExporter atlasExporter(AtlasConfig config, Clock clock) {
 		return () -> new AtlasMeterRegistry(config, clock);
 	}

spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/metrics/export/atlas/AtlasProperties.java

@@ -29,12 +29,12 @@ import org.springframework.boot.context.properties.ConfigurationProperties;
  * @since 2.0.0
  * @author Jon Schneider
  */
-@ConfigurationProperties(prefix = "metrics.atlas")
+@ConfigurationProperties(prefix = "spring.metrics.atlas")
 public class AtlasProperties extends RegistryProperties implements AtlasConfig {
 
 	@Override
 	protected String prefix() {
-		return "atlas";
+		return "spring.metrics.atlas";
 	}
 
 	public void setStep(Duration step) {

spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/metrics/export/datadog/DatadogExportConfiguration.java

@@ -43,7 +43,7 @@ import org.springframework.context.annotation.Import;
 public class DatadogExportConfiguration {
 
 	@Bean
-	@ConditionalOnProperty(value = "metrics.datadog.enabled", matchIfMissing = true)
+	@ConditionalOnProperty(value = "spring.metrics.datadog.enabled", matchIfMissing = true)
 	public MetricsExporter datadogExporter(DatadogConfig config, Clock clock) {
 		return () -> new DatadogMeterRegistry(config, clock);
 	}

spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/metrics/export/datadog/DatadogProperties.java

@@ -27,12 +27,12 @@ import org.springframework.boot.context.properties.ConfigurationProperties;
  * @author Jon Schneider
  * @since 2.0.0
  */
-@ConfigurationProperties(prefix = "metrics.datadog")
+@ConfigurationProperties(prefix = "spring.metrics.datadog")
 public class DatadogProperties extends StepRegistryProperties implements DatadogConfig {
 
 	@Override
 	public String prefix() {
-		return "metrics.datadog";
+		return "spring.metrics.datadog";
 	}
 
 	public DatadogProperties() {

spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/metrics/export/ganglia/GangliaExportConfiguration.java

@@ -44,7 +44,7 @@ import org.springframework.context.annotation.Import;
 public class GangliaExportConfiguration {
 
 	@Bean
-	@ConditionalOnProperty(value = "metrics.ganglia.enabled", matchIfMissing = true)
+	@ConditionalOnProperty(value = "spring.metrics.ganglia.enabled", matchIfMissing = true)
 	public MetricsExporter gangliaExporter(GangliaConfig config,
 			HierarchicalNameMapper nameMapper, Clock clock) {
 		return () -> new GangliaMeterRegistry(config, nameMapper, clock);

spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/metrics/export/ganglia/GangliaProperties.java

@@ -31,12 +31,12 @@ import org.springframework.boot.context.properties.ConfigurationProperties;
  * @author Jon Schneider
  * @since 2.0.0
  */
-@ConfigurationProperties(prefix = "metrics.ganglia")
+@ConfigurationProperties(prefix = "spring.metrics.ganglia")
 public class GangliaProperties extends RegistryProperties implements GangliaConfig {
 
 	@Override
 	public String prefix() {
-		return "metrics.ganglia";
+		return "spring.metrics.ganglia";
 	}
 
 	public void setStep(Duration step) {

spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/metrics/export/graphite/GraphiteExportConfiguration.java

@@ -44,7 +44,7 @@ import org.springframework.context.annotation.Import;
 public class GraphiteExportConfiguration {
 
 	@Bean
-	@ConditionalOnProperty(value = "metrics.graphite.enabled", matchIfMissing = true)
+	@ConditionalOnProperty(value = "spring.metrics.graphite.enabled", matchIfMissing = true)
 	public MetricsExporter graphiteExporter(GraphiteConfig config,
 			HierarchicalNameMapper nameMapper, Clock clock) {
 		return () -> new GraphiteMeterRegistry(config, nameMapper, clock);

spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/metrics/export/graphite/GraphiteProperties.java

@@ -30,12 +30,12 @@ import org.springframework.boot.context.properties.ConfigurationProperties;
  * @author Jon Schneider
  * @since 2.0.0
  */
-@ConfigurationProperties(prefix = "metrics.graphite")
+@ConfigurationProperties(prefix = "spring.metrics.graphite")
 public class GraphiteProperties extends RegistryProperties implements GraphiteConfig {
 
 	@Override
 	public String prefix() {
-		return "metrics.graphite";
+		return "spring.metrics.graphite";
 	}
 
 	public void setStep(Duration step) {

spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/metrics/export/influx/InfluxExportConfiguration.java

@@ -43,7 +43,7 @@ import org.springframework.context.annotation.Import;
 public class InfluxExportConfiguration {
 
 	@Bean
-	@ConditionalOnProperty(value = "metrics.influx.enabled", matchIfMissing = true)
+	@ConditionalOnProperty(value = "spring.metrics.influx.enabled", matchIfMissing = true)
 	public MetricsExporter influxExporter(InfluxConfig config, Clock clock) {
 		return () -> new InfluxMeterRegistry(config, clock);
 	}

spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/metrics/export/influx/InfluxProperties.java

@@ -28,12 +28,12 @@ import org.springframework.boot.context.properties.ConfigurationProperties;
  * @author Jon Schneider
  * @since 2.0.0
  */
-@ConfigurationProperties(prefix = "metrics.influx")
+@ConfigurationProperties(prefix = "spring.metrics.influx")
 public class InfluxProperties extends StepRegistryProperties implements InfluxConfig {
 
 	@Override
 	public String prefix() {
-		return "metrics.influx";
+		return "spring.metrics.influx";
 	}
 
 	public void setDb(String db) {

spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/metrics/export/jmx/JmxExportConfiguration.java

@@ -38,7 +38,7 @@ import org.springframework.context.annotation.Configuration;
 public class JmxExportConfiguration {
 
 	@Bean
-	@ConditionalOnProperty(value = "metrics.jmx.enabled", matchIfMissing = true)
+	@ConditionalOnProperty(value = "spring.metrics.jmx.enabled", matchIfMissing = true)
 	public MetricsExporter jmxExporter(HierarchicalNameMapper nameMapper, Clock clock) {
 		return () -> new JmxMeterRegistry(nameMapper, clock);
 	}

spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/metrics/export/prometheus/PrometheusExportConfiguration.java

@@ -43,7 +43,7 @@ import org.springframework.context.annotation.Configuration;
 public class PrometheusExportConfiguration {
 
 	@Bean
-	@ConditionalOnProperty(value = "metrics.prometheus.enabled", matchIfMissing = true)
+	@ConditionalOnProperty(value = "spring.metrics.prometheus.enabled", matchIfMissing = true)
 	public MetricsExporter prometheusExporter(PrometheusConfig config,
 			CollectorRegistry collectorRegistry, Clock clock) {
 		return () -> new PrometheusMeterRegistry(config, collectorRegistry, clock);

spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/metrics/export/prometheus/PrometheusProperties.java

@@ -27,7 +27,7 @@ import org.springframework.boot.context.properties.ConfigurationProperties;
  * @author Jon Schneider
  * @since 2.0.0
  */
-@ConfigurationProperties(prefix = "metrics.prometheus")
+@ConfigurationProperties(prefix = "spring.metrics.prometheus")
 public class PrometheusProperties extends RegistryProperties implements PrometheusConfig {
 
 	private boolean enabled = true;
@@ -46,7 +46,7 @@ public class PrometheusProperties extends RegistryProperties implements Promethe
 
 	@Override
 	public String prefix() {
-		return "metrics.prometheus";
+		return "spring.metrics.prometheus";
 	}
 
 }

spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/metrics/export/simple/SimpleExportConfiguration.java

@@ -37,7 +37,7 @@ import org.springframework.context.annotation.Configuration;
 public class SimpleExportConfiguration {
 
 	@Bean
-	@ConditionalOnProperty(value = "metrics.simple.enabled", matchIfMissing = true)
+	@ConditionalOnProperty(value = "spring.metrics.simple.enabled", matchIfMissing = true)
 	@ConditionalOnMissingBean(MetricsExporter.class)
 	public MetricsExporter simpleExporter(Clock clock) {
 		return () -> new SimpleMeterRegistry(clock);

spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/metrics/export/simple/SimpleProperties.java

@@ -27,7 +27,7 @@ import org.springframework.boot.context.properties.ConfigurationProperties;
  * @author Jon Schneider
  * @since 2.0.0
  */
-@ConfigurationProperties(prefix = "metrics.simple")
+@ConfigurationProperties(prefix = "spring.metrics.simple")
 public class SimpleProperties {
 
 	private boolean enabled = true;

spring-boot-actuator-autoconfigure/src/test/java/org/springframework/boot/actuate/autoconfigure/metrics/export/simple/SimpleExportConfigurationTests.java

@@ -39,10 +39,13 @@ public class SimpleExportConfigurationTests {
 	@Test
 	public void simpleMeterRegistryIsInTheCompositeWhenNoOtherRegistryIs() {
 		new ApplicationContextRunner()
-				.withPropertyValues("metrics.atlas.enabled=false",
-						"metrics.datadog.enabled=false", "metrics.ganglia.enabled=false",
-						"metrics.graphite.enabled=false", "metrics.influx.enabled=false",
-						"metrics.jmx.enabled=false", "metrics.prometheus.enabled=false")
+				.withPropertyValues("spring.metrics.atlas.enabled=false",
+						"spring.metrics.datadog.enabled=false",
+						"spring.metrics.ganglia.enabled=false",
+						"spring.metrics.graphite.enabled=false",
+						"spring.metrics.influx.enabled=false",
+						"spring.metrics.jmx.enabled=false",
+						"spring.metrics.prometheus.enabled=false")
 				.withConfiguration(AutoConfigurations.of(MetricsAutoConfiguration.class))
 				.run((context) -> {
 					CompositeMeterRegistry meterRegistry = context

spring-boot-docs/src/main/asciidoc/appendix-application-properties.adoc

@@ -1267,7 +1267,14 @@ content into your application; rather pick only the properties that you need.
 	management.trace.include=request-headers,response-headers,cookies,errors # Items to be included in the trace.
 
 	# METRICS
-	spring.metrics.use-global-registry=true #  Whether or not auto-configured MeterRegistry implementations should be bound to the global static registry on Metrics
+	spring.metrics.atlas.enabled=true # Whether not exporting of metrics to Atlas is enabled.
+	spring.metrics.ganglia.enabled=true # Whether not exporting of metrics to Ganglia is enabled.
+	spring.metrics.graphite.enabled=true # Whether not exporting of metrics to Graphite is enabled.
+	spring.metrics.influx.enabled=true # Whether not exporting of metrics to InfluxDB is enabled.
+	spring.metrics.jmx.enabled=true # Whether not exporting of metrics to JMX is enabled.
+	spring.metrics.prometheus.enabled=true # Whether not exporting of metrics to Prometheus is enabled.
+	spring.metrics.simple.enabled=true # Whether not exporting of metrics to a simple in-memory store is enabled.
+	spring.metrics.use-global-registry=true # Whether or not auto-configured MeterRegistry implementations should be bound to the global static registry on Metrics
 	spring.metrics.web.client.record-request-percentiles=false # Whether or not instrumented requests record percentiles histogram buckets by default.
 	spring.metrics.web.client.requests-metric-name=http.client.requests # Name of the metric for sent requests.
 	spring.metrics.web.server.auto-time-requests=true Whether or not requests handled by Spring MVC or WebFlux should be automatically timed.