Expose Elastic's pipeline and indexDateSeparator properties

Closes gh-20852

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

 /*
- * Copyright 2012-2019 the original author or authors.
+ * Copyright 2012-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -40,11 +40,15 @@ public class ElasticProperties extends StepRegistryProperties {
 	private String index = "metrics";
 
 	/**
-	 * Index date format used for rolling indices. Appended to the index name, preceded by
-	 * a '-'.
+	 * Index date format used for rolling indices. Appended to the index name.
 	 */
 	private String indexDateFormat = "yyyy-MM";
 
+	/**
+	 * Prefix to separate the index name from the date format used for rolling indices.
+	 */
+	private String indexDateSeparator = "-";
+
 	/**
 	 * Name of the timestamp field.
 	 */
@@ -65,6 +69,11 @@ public class ElasticProperties extends StepRegistryProperties {
 	 */
 	private String password = "";
 
+	/**
+	 * Ingest pipeline name. By default, events are not pre-processed.
+	 */
+	private String pipeline = "";
+
 	public String getHost() {
 		return this.host;
 	}
@@ -89,6 +98,14 @@ public class ElasticProperties extends StepRegistryProperties {
 		this.indexDateFormat = indexDateFormat;
 	}
 
+	public String getIndexDateSeparator() {
+		return this.indexDateSeparator;
+	}
+
+	public void setIndexDateSeparator(String indexDateSeparator) {
+		this.indexDateSeparator = indexDateSeparator;
+	}
+
 	public String getTimestampFieldName() {
 		return this.timestampFieldName;
 	}
@@ -121,4 +138,12 @@ public class ElasticProperties extends StepRegistryProperties {
 		this.password = password;
 	}
 
+	public String getPipeline() {
+		return this.pipeline;
+	}
+
+	public void setPipeline(String pipeline) {
+		this.pipeline = pipeline;
+	}
+
 }

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

 /*
- * Copyright 2012-2019 the original author or authors.
+ * Copyright 2012-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -47,6 +47,11 @@ class ElasticPropertiesConfigAdapter extends StepRegistryPropertiesConfigAdapter
 		return get(ElasticProperties::getIndexDateFormat, ElasticConfig.super::indexDateFormat);
 	}
 
+	@Override
+	public String indexDateSeparator() {
+		return get(ElasticProperties::getIndexDateSeparator, ElasticConfig.super::indexDateSeparator);
+	}
+
 	@Override
 	public String timestampFieldName() {
 		return get(ElasticProperties::getTimestampFieldName, ElasticConfig.super::timestampFieldName);
@@ -67,4 +72,9 @@ class ElasticPropertiesConfigAdapter extends StepRegistryPropertiesConfigAdapter
 		return get(ElasticProperties::getPassword, ElasticConfig.super::password);
 	}
 
+	@Override
+	public String pipeline() {
+		return get(ElasticProperties::getPipeline, ElasticConfig.super::pipeline);
+	}
+
 }

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

 /*
- * Copyright 2012-2019 the original author or authors.
+ * Copyright 2012-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -48,6 +48,13 @@ class ElasticPropertiesConfigAdapterTests {
 		assertThat(new ElasticPropertiesConfigAdapter(properties).indexDateFormat()).isEqualTo("yyyy");
 	}
 
+	@Test
+	void whenPropertiesIndexDateSeparatorIsSetAdapterIndexDateFormatReturnsIt() {
+		ElasticProperties properties = new ElasticProperties();
+		properties.setIndexDateSeparator("*");
+		assertThat(new ElasticPropertiesConfigAdapter(properties).indexDateSeparator()).isEqualTo("*");
+	}
+
 	@Test
 	void whenPropertiesTimestampFieldNameIsSetAdapterTimestampFieldNameReturnsIt() {
 		ElasticProperties properties = new ElasticProperties();
@@ -76,4 +83,11 @@ class ElasticPropertiesConfigAdapterTests {
 		assertThat(new ElasticPropertiesConfigAdapter(properties).password()).isEqualTo("secret");
 	}
 
+	@Test
+	void whenPropertiesPipelineIsSetAdapterPasswordReturnsIt() {
+		ElasticProperties properties = new ElasticProperties();
+		properties.setPipeline("testPipeline");
+		assertThat(new ElasticPropertiesConfigAdapter(properties).pipeline()).isEqualTo("testPipeline");
+	}
+
 }

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

 /*
- * Copyright 2012-2019 the original author or authors.
+ * Copyright 2012-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -38,10 +38,12 @@ class ElasticPropertiesTests extends StepRegistryPropertiesTests {
 		assertThat(properties.getHost()).isEqualTo(config.host());
 		assertThat(properties.getIndex()).isEqualTo(config.index());
 		assertThat(properties.getIndexDateFormat()).isEqualTo(config.indexDateFormat());
+		assertThat(properties.getIndexDateSeparator()).isEqualTo(config.indexDateSeparator());
 		assertThat(properties.getPassword()).isEqualTo(config.password());
 		assertThat(properties.getTimestampFieldName()).isEqualTo(config.timestampFieldName());
 		assertThat(properties.getUserName()).isEqualTo(config.userName());
 		assertThat(properties.isAutoCreateIndex()).isEqualTo(config.autoCreateIndex());
+		assertThat(properties.getPipeline()).isEqualTo(config.pipeline());
 	}
 
 }