Adapt to latest change in Micrometer 1.1

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

@@ -29,9 +29,9 @@ import org.springframework.boot.context.properties.ConfigurationProperties;
 public class ElasticProperties extends StepRegistryProperties {
 
 	/**
-	 * Hosts to export metrics to.
+	 * Host to export metrics to.
 	 */
-	private String[] hosts = new String[] { "http://localhost:9200" };
+	private String host = "http://localhost:9200";
 
 	/**
 	 * Index to export metrics to.
@@ -64,12 +64,12 @@ public class ElasticProperties extends StepRegistryProperties {
 	 */
 	private String password = "";
 
-	public String[] getHosts() {
-		return this.hosts;
+	public String getHost() {
+		return this.host;
 	}
 
-	public void setHosts(String[] hosts) {
-		this.hosts = hosts;
+	public void setHost(String host) {
+		this.host = host;
 	}
 
 	public String getIndex() {

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

@@ -33,8 +33,8 @@ class ElasticPropertiesConfigAdapter extends
 	}
 
 	@Override
-	public String[] hosts() {
-		return get(ElasticProperties::getHosts, ElasticConfig.super::hosts);
+	public String host() {
+		return get(ElasticProperties::getHost, ElasticConfig.super::host);
 	}
 
 	@Override

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

@@ -30,9 +30,9 @@ public class ElasticPropertiesConfigAdapterTests {
 	@Test
 	public void whenPropertiesHostsIsSetAdapterHostsReturnsIt() {
 		ElasticProperties properties = new ElasticProperties();
-		properties.setHosts(new String[] { "https://elastic.example.com" });
-		assertThat(new ElasticPropertiesConfigAdapter(properties).hosts())
-				.isEqualTo(new String[] { "https://elastic.example.com" });
+		properties.setHost("https://elastic.example.com");
+		assertThat(new ElasticPropertiesConfigAdapter(properties).host())
+				.isEqualTo("https://elastic.example.com");
 	}
 
 	@Test

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

@@ -34,7 +34,7 @@ public class ElasticPropertiesTests extends StepRegistryPropertiesTests {
 		ElasticProperties properties = new ElasticProperties();
 		ElasticConfig config = ElasticConfig.DEFAULT;
 		assertStepRegistryDefaultValues(properties, config);
-		assertThat(properties.getHosts()).isEqualTo(config.hosts());
+		assertThat(properties.getHost()).isEqualTo(config.host());
 		assertThat(properties.getIndex()).isEqualTo(config.index());
 		assertThat(properties.getIndexDateFormat()).isEqualTo(config.indexDateFormat());
 		assertThat(properties.getPassword()).isEqualTo(config.password());

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

@@ -1422,7 +1422,7 @@ content into your application. Rather, pick only the properties that you need.
 	management.metrics.export.elastic.batch-size=10000 # Number of measurements per request to use for this backend. If more measurements are found, then multiple requests will be made.
 	management.metrics.export.elastic.connect-timeout=1s # Connection timeout for requests to this backend.
 	management.metrics.export.elastic.enabled=true # Whether exporting of metrics to this backend is enabled.
-	management.metrics.export.elastic.hosts=http://localhost:9200 # Hosts to export metrics to.
+	management.metrics.export.elastic.host=http://localhost:9200 # Host to export metrics to.
 	management.metrics.export.elastic.index=metrics # Index to export metrics to.
 	management.metrics.export.elastic.index-date-format=yyyy-MM # Index date format used for rolling indices. Appended to the index name, preceded by a '-'.
 	management.metrics.export.elastic.num-threads=2 # Number of threads to use with the metrics publishing scheduler.

spring-boot-project/spring-boot-docs/src/main/asciidoc/production-ready-features.adoc

@@ -1490,7 +1490,7 @@ using the following property:
 
 [source,properties,indent=0]
 ----
-	management.metrics.export.elastic.hosts=http://elastic.example.com:8086
+	management.metrics.export.elastic.host=http://elastic.example.com:8086
 ----