Merge pull request #11922 from jkschneider:micrometer-389

* pr/11922:
  Polish "Add influx property to govern whether db is auto-created or not"
  Add influx property to govern whether db is auto-created or not

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

@@ -67,6 +67,12 @@ public class InfluxProperties extends StepRegistryProperties {
 	 */
 	private Boolean compressed;
 
+	/**
+	 * Whether to create the Influx database if it does not exist before attempting to
+	 * publish metrics to it.
+	 */
+	private Boolean autoCreateDb;
+
 	public String getDb() {
 		return this.db;
 	}
@@ -123,4 +129,11 @@ public class InfluxProperties extends StepRegistryProperties {
 		this.compressed = compressed;
 	}
 
+	public Boolean getAutoCreateDb() {
+		return this.autoCreateDb;
+	}
+
+	public void setAutoCreateDb(Boolean autoCreateDb) {
+		this.autoCreateDb = autoCreateDb;
+	}
 }

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

@@ -70,4 +70,9 @@ class InfluxPropertiesConfigAdapter extends
 		return get(InfluxProperties::getCompressed, InfluxConfig.super::compressed);
 	}
 
+	@Override
+	public boolean autoCreateDb() {
+		return get(InfluxProperties::getAutoCreateDb, InfluxConfig.super::autoCreateDb);
+	}
+	
 }

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

@@ -1340,6 +1340,7 @@ content into your application. Rather, pick only the properties that you need.
 	management.metrics.export.graphite.rate-units= # Base time unit used to report rates.
 	management.metrics.export.graphite.step= # Step size (i.e. reporting frequency) to use.
 	management.metrics.export.graphite.tags-as-prefix= # For the default naming convention, turn the specified tag keys into part of the metric prefix.
+	management.metrics.export.influx.auto-create-db= # Whether to create the Influx database if it does not exist before attempting to publish metrics to it.
 	management.metrics.export.influx.batch-size= # Number of measurements per request to use for the backend. If more measurements are found, then multiple requests will be made.
 	management.metrics.export.influx.compressed= # Enable GZIP compression of metrics batches published to Influx.
 	management.metrics.export.influx.connect-timeout= # Connection timeout for requests to the backend.