Polish "Add health indicator for reactive MongoDB"

snicoll · snicoll · commit 28f5392787db · 2018-02-13T11:22:04.000+01:00
Closes gh-11997
diff --git a/spring-boot-project/spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/mongo/MongoHealthIndicatorAutoConfiguration.java b/spring-boot-project/spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/mongo/MongoHealthIndicatorAutoConfiguration.java
@@ -16,51 +16,32 @@
 
 package org.springframework.boot.actuate.autoconfigure.mongo;
 
-import java.util.Map;
-
-import org.springframework.boot.actuate.autoconfigure.health.CompositeHealthIndicatorConfiguration;
 import org.springframework.boot.actuate.autoconfigure.health.ConditionalOnEnabledHealthIndicator;
 import org.springframework.boot.actuate.autoconfigure.health.HealthIndicatorAutoConfiguration;
-import org.springframework.boot.actuate.health.HealthIndicator;
 import org.springframework.boot.actuate.mongo.MongoHealthIndicator;
 import org.springframework.boot.autoconfigure.AutoConfigureAfter;
 import org.springframework.boot.autoconfigure.AutoConfigureBefore;
 import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
-import org.springframework.boot.autoconfigure.condition.ConditionalOnBean;
-import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
-import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
 import org.springframework.boot.autoconfigure.data.mongo.MongoDataAutoConfiguration;
+import org.springframework.boot.autoconfigure.data.mongo.MongoReactiveDataAutoConfiguration;
 import org.springframework.boot.autoconfigure.mongo.MongoAutoConfiguration;
-import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
-import org.springframework.data.mongodb.core.MongoTemplate;
+import org.springframework.context.annotation.Import;
 
 /**
  * {@link EnableAutoConfiguration Auto-configuration} for {@link MongoHealthIndicator}.
  *
  * @author Christian Dupuis
+ * @author Stephane Nicoll
  * @since 2.0.0
  */
 @Configuration
-@ConditionalOnClass(MongoTemplate.class)
-@ConditionalOnBean(MongoTemplate.class)
 @ConditionalOnEnabledHealthIndicator("mongo")
 @AutoConfigureBefore(HealthIndicatorAutoConfiguration.class)
-@AutoConfigureAfter({ MongoAutoConfiguration.class, MongoDataAutoConfiguration.class })
-public class MongoHealthIndicatorAutoConfiguration extends
-		CompositeHealthIndicatorConfiguration<MongoHealthIndicator, MongoTemplate> {
-
-	private final Map<String, MongoTemplate> mongoTemplates;
-
-	public MongoHealthIndicatorAutoConfiguration(
-			Map<String, MongoTemplate> mongoTemplates) {
-		this.mongoTemplates = mongoTemplates;
-	}
-
-	@Bean
-	@ConditionalOnMissingBean(name = "mongoHealthIndicator")
-	public HealthIndicator mongoHealthIndicator() {
-		return createHealthIndicator(this.mongoTemplates);
-	}
+@AutoConfigureAfter({ MongoAutoConfiguration.class, MongoDataAutoConfiguration.class,
+		MongoReactiveDataAutoConfiguration.class })
+@Import({ MongoReactiveHealthIndicatorConfiguration.class,
+		MongoHealthIndicatorConfiguration.class })
+public class MongoHealthIndicatorAutoConfiguration {
 
 }
diff --git a/spring-boot-project/spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/mongo/MongoHealthIndicatorConfiguration.java b/spring-boot-project/spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/mongo/MongoHealthIndicatorConfiguration.java
@@ -0,0 +1,55 @@
+/*
+ * Copyright 2012-2018 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.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.springframework.boot.actuate.autoconfigure.mongo;
+
+import java.util.Map;
+
+import org.springframework.boot.actuate.autoconfigure.health.CompositeHealthIndicatorConfiguration;
+import org.springframework.boot.actuate.health.HealthIndicator;
+import org.springframework.boot.actuate.mongo.MongoHealthIndicator;
+import org.springframework.boot.autoconfigure.condition.ConditionalOnBean;
+import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
+import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.data.mongodb.core.MongoTemplate;
+
+/**
+ * Configuration for {@link MongoHealthIndicator}.
+ *
+ * @author Stephane Nicoll
+ */
+@Configuration
+@ConditionalOnClass(MongoTemplate.class)
+@ConditionalOnBean(MongoTemplate.class)
+class MongoHealthIndicatorConfiguration extends
+		CompositeHealthIndicatorConfiguration<MongoHealthIndicator, MongoTemplate> {
+
+	private final Map<String, MongoTemplate> mongoTemplates;
+
+	MongoHealthIndicatorConfiguration(
+			Map<String, MongoTemplate> mongoTemplates) {
+		this.mongoTemplates = mongoTemplates;
+	}
+
+	@Bean
+	@ConditionalOnMissingBean(name = "mongoHealthIndicator")
+	public HealthIndicator mongoHealthIndicator() {
+		return createHealthIndicator(this.mongoTemplates);
+	}
+
+}
diff --git a/spring-boot-project/spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/mongo/MongoReactiveHealthIndicatorConfiguration.java b/spring-boot-project/spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/mongo/MongoReactiveHealthIndicatorConfiguration.java
@@ -19,48 +19,36 @@
 import java.util.Map;
 
 import org.springframework.boot.actuate.autoconfigure.health.CompositeReactiveHealthIndicatorConfiguration;
-import org.springframework.boot.actuate.autoconfigure.health.ConditionalOnEnabledHealthIndicator;
-import org.springframework.boot.actuate.autoconfigure.health.HealthIndicatorAutoConfiguration;
 import org.springframework.boot.actuate.health.ReactiveHealthIndicator;
 import org.springframework.boot.actuate.mongo.MongoReactiveHealthIndicator;
-import org.springframework.boot.autoconfigure.AutoConfigureAfter;
-import org.springframework.boot.autoconfigure.AutoConfigureBefore;
-import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
 import org.springframework.boot.autoconfigure.condition.ConditionalOnBean;
 import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
 import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
-import org.springframework.boot.autoconfigure.data.mongo.MongoReactiveDataAutoConfiguration;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.data.mongodb.core.ReactiveMongoTemplate;
 
-
-
 /**
- * {@link EnableAutoConfiguration Auto-configuration} for {@link MongoReactiveHealthIndicator}.
+ * Configuration for {@link MongoReactiveHealthIndicator}.
  *
- * @author Yulin Qin
- * @since 2.0.0
+ * @author Stephane Nicoll
  */
 @Configuration
 @ConditionalOnClass(ReactiveMongoTemplate.class)
 @ConditionalOnBean(ReactiveMongoTemplate.class)
-@ConditionalOnEnabledHealthIndicator("mongo")
-@AutoConfigureBefore(HealthIndicatorAutoConfiguration.class)
-@AutoConfigureAfter(MongoReactiveDataAutoConfiguration.class)
-public class MongoReactiveHealthIndicatorAutoConfiguration extends
+class MongoReactiveHealthIndicatorConfiguration extends
 		CompositeReactiveHealthIndicatorConfiguration<MongoReactiveHealthIndicator, ReactiveMongoTemplate> {
 
 	private final Map<String, ReactiveMongoTemplate> reactiveMongoTemplate;
 
-	public MongoReactiveHealthIndicatorAutoConfiguration(
+	MongoReactiveHealthIndicatorConfiguration(
 			Map<String, ReactiveMongoTemplate> reactiveMongoTemplate) {
 		this.reactiveMongoTemplate = reactiveMongoTemplate;
 	}
 
 	@Bean
-	@ConditionalOnMissingBean(name = "mongoReactiveHealthIndicator")
-	public ReactiveHealthIndicator mongoReactiveHealthIndicator() {
+	@ConditionalOnMissingBean(name = "mongoHealthIndicator")
+	public ReactiveHealthIndicator mongoHealthIndicator() {
 		return createHealthIndicator(this.reactiveMongoTemplate);
 	}
 
diff --git a/spring-boot-project/spring-boot-actuator-autoconfigure/src/main/resources/META-INF/spring.factories b/spring-boot-project/spring-boot-actuator-autoconfigure/src/main/resources/META-INF/spring.factories
@@ -53,7 +53,6 @@ org.springframework.boot.actuate.autoconfigure.metrics.web.client.RestTemplateMe
 org.springframework.boot.actuate.autoconfigure.metrics.web.reactive.WebFluxMetricsAutoConfiguration,\
 org.springframework.boot.actuate.autoconfigure.metrics.web.servlet.WebMvcMetricsAutoConfiguration,\
 org.springframework.boot.actuate.autoconfigure.mongo.MongoHealthIndicatorAutoConfiguration,\
-org.springframework.boot.actuate.autoconfigure.mongo.MongoReactiveHealthIndicatorAutoConfiguration,\
 org.springframework.boot.actuate.autoconfigure.neo4j.Neo4jHealthIndicatorAutoConfiguration,\
 org.springframework.boot.actuate.autoconfigure.redis.RedisHealthIndicatorAutoConfiguration,\
 org.springframework.boot.actuate.autoconfigure.scheduling.ScheduledTasksEndpointAutoConfiguration,\
diff --git a/spring-boot-project/spring-boot-actuator-autoconfigure/src/test/java/org/springframework/boot/actuate/autoconfigure/SpringApplicationHierarchyTests.java b/spring-boot-project/spring-boot-actuator-autoconfigure/src/test/java/org/springframework/boot/actuate/autoconfigure/SpringApplicationHierarchyTests.java
@@ -26,6 +26,7 @@
 import org.springframework.boot.autoconfigure.data.elasticsearch.ElasticsearchDataAutoConfiguration;
 import org.springframework.boot.autoconfigure.data.elasticsearch.ElasticsearchRepositoriesAutoConfiguration;
 import org.springframework.boot.autoconfigure.data.mongo.MongoDataAutoConfiguration;
+import org.springframework.boot.autoconfigure.data.mongo.MongoReactiveDataAutoConfiguration;
 import org.springframework.boot.autoconfigure.data.neo4j.Neo4jDataAutoConfiguration;
 import org.springframework.boot.autoconfigure.data.neo4j.Neo4jRepositoriesAutoConfiguration;
 import org.springframework.boot.autoconfigure.data.redis.RedisAutoConfiguration;
@@ -69,10 +70,11 @@ public void testChild() {
 	@EnableAutoConfiguration(exclude = { ElasticsearchDataAutoConfiguration.class,
 			ElasticsearchRepositoriesAutoConfiguration.class,
 			CassandraAutoConfiguration.class, CassandraDataAutoConfiguration.class,
-			MongoDataAutoConfiguration.class, Neo4jDataAutoConfiguration.class,
-			Neo4jRepositoriesAutoConfiguration.class, RedisAutoConfiguration.class,
-			RedisRepositoriesAutoConfiguration.class, FlywayAutoConfiguration.class,
-			JestAutoConfiguration.class, MetricsAutoConfiguration.class }, excludeName = {
+			MongoDataAutoConfiguration.class, MongoReactiveDataAutoConfiguration.class,
+			Neo4jDataAutoConfiguration.class, Neo4jRepositoriesAutoConfiguration.class,
+			RedisAutoConfiguration.class, RedisRepositoriesAutoConfiguration.class,
+			FlywayAutoConfiguration.class, JestAutoConfiguration.class,
+			MetricsAutoConfiguration.class }, excludeName = {
 					"org.springframework.boot.autoconfigure.data.elasticsearch.ElasticsearchAutoConfiguration" })
 	public static class Child {
 
@@ -81,10 +83,11 @@ public static class Child {
 	@EnableAutoConfiguration(exclude = { ElasticsearchDataAutoConfiguration.class,
 			ElasticsearchRepositoriesAutoConfiguration.class,
 			CassandraAutoConfiguration.class, CassandraDataAutoConfiguration.class,
-			MongoDataAutoConfiguration.class, Neo4jDataAutoConfiguration.class,
-			Neo4jRepositoriesAutoConfiguration.class, RedisAutoConfiguration.class,
-			RedisRepositoriesAutoConfiguration.class, FlywayAutoConfiguration.class,
-			JestAutoConfiguration.class, MetricsAutoConfiguration.class }, excludeName = {
+			MongoDataAutoConfiguration.class, MongoReactiveDataAutoConfiguration.class,
+			Neo4jDataAutoConfiguration.class, Neo4jRepositoriesAutoConfiguration.class,
+			RedisAutoConfiguration.class, RedisRepositoriesAutoConfiguration.class,
+			FlywayAutoConfiguration.class, JestAutoConfiguration.class,
+			MetricsAutoConfiguration.class }, excludeName = {
 					"org.springframework.boot.autoconfigure.data.elasticsearch.ElasticsearchAutoConfiguration" })
 	public static class Parent {
 
diff --git a/spring-boot-project/spring-boot-actuator-autoconfigure/src/test/java/org/springframework/boot/actuate/autoconfigure/integrationtest/WebEndpointsAutoConfigurationIntegrationTests.java b/spring-boot-project/spring-boot-actuator-autoconfigure/src/test/java/org/springframework/boot/actuate/autoconfigure/integrationtest/WebEndpointsAutoConfigurationIntegrationTests.java
@@ -28,6 +28,7 @@
 import org.springframework.boot.autoconfigure.data.elasticsearch.ElasticsearchAutoConfiguration;
 import org.springframework.boot.autoconfigure.data.elasticsearch.ElasticsearchDataAutoConfiguration;
 import org.springframework.boot.autoconfigure.data.mongo.MongoDataAutoConfiguration;
+import org.springframework.boot.autoconfigure.data.mongo.MongoReactiveDataAutoConfiguration;
 import org.springframework.boot.autoconfigure.data.neo4j.Neo4jDataAutoConfiguration;
 import org.springframework.boot.autoconfigure.data.neo4j.Neo4jRepositoriesAutoConfiguration;
 import org.springframework.boot.autoconfigure.data.redis.RedisAutoConfiguration;
@@ -39,6 +40,7 @@
 import org.springframework.boot.autoconfigure.hazelcast.HazelcastAutoConfiguration;
 import org.springframework.boot.autoconfigure.liquibase.LiquibaseAutoConfiguration;
 import org.springframework.boot.autoconfigure.mongo.MongoAutoConfiguration;
+import org.springframework.boot.autoconfigure.mongo.MongoReactiveAutoConfiguration;
 import org.springframework.boot.autoconfigure.solr.SolrAutoConfiguration;
 import org.springframework.boot.context.annotation.UserConfigurations;
 import org.springframework.boot.test.context.runner.ReactiveWebApplicationContextRunner;
@@ -81,8 +83,10 @@ private ReactiveWebApplicationContextRunner reactiveWebRunner() {
 			LiquibaseAutoConfiguration.class, CassandraAutoConfiguration.class,
 			CassandraDataAutoConfiguration.class, Neo4jDataAutoConfiguration.class,
 			Neo4jRepositoriesAutoConfiguration.class, MongoAutoConfiguration.class,
+			MongoDataAutoConfiguration.class, MongoReactiveAutoConfiguration.class,
+			MongoReactiveDataAutoConfiguration.class,
 			RepositoryRestMvcAutoConfiguration.class, HazelcastAutoConfiguration.class,
-			MongoDataAutoConfiguration.class, ElasticsearchAutoConfiguration.class,
+			ElasticsearchAutoConfiguration.class,
 			ElasticsearchDataAutoConfiguration.class, JestAutoConfiguration.class,
 			SolrRepositoriesAutoConfiguration.class, SolrAutoConfiguration.class,
 			RedisAutoConfiguration.class, RedisRepositoriesAutoConfiguration.class,
diff --git a/spring-boot-project/spring-boot-actuator-autoconfigure/src/test/java/org/springframework/boot/actuate/autoconfigure/mongo/MongoReactiveHealthIndicatorConfigurationTests.java b/spring-boot-project/spring-boot-actuator-autoconfigure/src/test/java/org/springframework/boot/actuate/autoconfigure/mongo/MongoReactiveHealthIndicatorConfigurationTests.java
@@ -32,19 +32,19 @@
 import static org.assertj.core.api.Assertions.assertThat;
 
 /**
- * Tests for {@link MongoReactiveHealthIndicatorAutoConfiguration}
+ * Tests for {@link MongoReactiveHealthIndicatorConfiguration}.
  *
  * @author Yulin Qin
  */
-public class MongoReactiveHealthIndicatorAutoConfigurationTests {
+public class MongoReactiveHealthIndicatorConfigurationTests {
 
 	private ApplicationContextRunner contextRunner = new ApplicationContextRunner()
 			.withConfiguration(AutoConfigurations.of(
 					MongoAutoConfiguration.class,
 					MongoDataAutoConfiguration.class,
 					MongoReactiveAutoConfiguration.class,
 					MongoReactiveDataAutoConfiguration.class,
-					MongoReactiveHealthIndicatorAutoConfiguration.class,
+					MongoHealthIndicatorAutoConfiguration.class,
 					HealthIndicatorAutoConfiguration.class));
 
 	@Test
diff --git a/spring-boot-project/spring-boot-actuator/pom.xml b/spring-boot-project/spring-boot-actuator/pom.xml
@@ -142,6 +142,16 @@
 			<artifactId>liquibase-core</artifactId>
 			<optional>true</optional>
 		</dependency>
+		<dependency>
+			<groupId>org.mongodb</groupId>
+			<artifactId>mongodb-driver-async</artifactId>
+			<optional>true</optional>
+		</dependency>
+		<dependency>
+			<groupId>org.mongodb</groupId>
+			<artifactId>mongodb-driver-reactivestreams</artifactId>
+			<optional>true</optional>
+		</dependency>
 		<dependency>
 			<groupId>org.springframework</groupId>
 			<artifactId>spring-jdbc</artifactId>
diff --git a/spring-boot-project/spring-boot-actuator/src/main/java/org/springframework/boot/actuate/mongo/MongoReactiveHealthIndicator.java b/spring-boot-project/spring-boot-actuator/src/main/java/org/springframework/boot/actuate/mongo/MongoReactiveHealthIndicator.java
@@ -25,8 +25,6 @@
 import org.springframework.data.mongodb.core.ReactiveMongoTemplate;
 import org.springframework.util.Assert;
 
-
-
 /**
  * A {@link ReactiveHealthIndicator} for Mongo.
  *
@@ -44,12 +42,14 @@ public MongoReactiveHealthIndicator(ReactiveMongoTemplate reactiveMongoTemplate)
 
 	@Override
 	protected Mono<Health> doHealthCheck(Health.Builder builder) {
-		Mono<Document> documentMono = this.reactiveMongoTemplate.executeCommand("{ buildInfo: 1 }");
-		return documentMono.map(document -> up(builder, document));
+		Mono<Document> buildInfo = this.reactiveMongoTemplate.executeCommand(
+				"{ buildInfo: 1 }");
+		return buildInfo.map(document -> up(builder, document));
 	}
 
 	private Health up(Health.Builder builder, Document document) {
 		return builder.up().withDetail("version", document.getString("version")).build();
 	}
+
 }
 
diff --git a/spring-boot-project/spring-boot-actuator/src/test/java/org/springframework/boot/actuate/mongo/MongoReactiveHealthIndicatorTest.java b/spring-boot-project/spring-boot-actuator/src/test/java/org/springframework/boot/actuate/mongo/MongoReactiveHealthIndicatorTest.java
@@ -38,11 +38,12 @@
 public class MongoReactiveHealthIndicatorTest {
 
 	@Test
-	public void testMongoIsUp() throws Exception {
-		Document document = mock(Document.class);
+	public void testMongoIsUp() {
+		Document buildInfo = mock(Document.class);
+		given(buildInfo.getString("version")).willReturn("2.6.4");
 		ReactiveMongoTemplate reactiveMongoTemplate = mock(ReactiveMongoTemplate.class);
-		given(reactiveMongoTemplate.executeCommand("{ buildInfo: 1 }")).willReturn(Mono.just(document));
-		given(document.getString("version")).willReturn("2.6.4");
+		given(reactiveMongoTemplate.executeCommand("{ buildInfo: 1 }")).willReturn(
+				Mono.just(buildInfo));
 
 		MongoReactiveHealthIndicator mongoReactiveHealthIndicator = new MongoReactiveHealthIndicator(reactiveMongoTemplate);
 		Mono<Health> health = mongoReactiveHealthIndicator.health();
@@ -54,9 +55,10 @@ public void testMongoIsUp() throws Exception {
 	}
 
 	@Test
-	public void testMongoIsDown() throws Exception {
+	public void testMongoIsDown() {
 		ReactiveMongoTemplate reactiveMongoTemplate = mock(ReactiveMongoTemplate.class);
-		given(reactiveMongoTemplate.executeCommand("{ buildInfo: 1 }")).willThrow(new MongoException("Connection failed"));
+		given(reactiveMongoTemplate.executeCommand("{ buildInfo: 1 }")).willThrow(
+				new MongoException("Connection failed"));
 
 		MongoReactiveHealthIndicator mongoReactiveHealthIndicator = new MongoReactiveHealthIndicator(reactiveMongoTemplate);
 		Mono<Health> health = mongoReactiveHealthIndicator.health();
@@ -65,6 +67,6 @@ public void testMongoIsDown() throws Exception {
 			assertThat(h.getDetails()).containsOnlyKeys("error");
 			assertThat(h.getDetails().get("error")).isEqualTo("Connection failed");
 		}).verifyComplete();
-
 	}
+
 }
diff --git a/spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/data/mongo/MongoReactiveDataAutoConfiguration.java b/spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/data/mongo/MongoReactiveDataAutoConfiguration.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2017 the original author or authors.
+ * Copyright 2012-2018 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.
@@ -32,7 +32,6 @@
 import org.springframework.data.mongodb.core.SimpleReactiveMongoDatabaseFactory;
 import org.springframework.data.mongodb.core.convert.MongoConverter;
 
-
 /**
  * {@link EnableAutoConfiguration Auto-configuration} for Spring Data's reactive mongo
  * support.
@@ -44,7 +43,6 @@
  * to the {@literal test} database.
  *
  * @author Mark Paluch
- * @author Yulin Qin
  * @since 2.0.0
  */
 @Configuration
@@ -75,4 +73,5 @@ public ReactiveMongoTemplate reactiveMongoTemplate(
 			MongoConverter converter) {
 		return new ReactiveMongoTemplate(reactiveMongoDatabaseFactory, converter);
 	}
+
 }
diff --git a/spring-boot-project/spring-boot-docs/src/main/asciidoc/production-ready-features.adoc b/spring-boot-project/spring-boot-docs/src/main/asciidoc/production-ready-features.adoc
@@ -723,6 +723,9 @@ appropriate:
 |===
 |Name |Description
 
+|{sc-spring-boot-actuator}/mongo/MongoReactiveHealthIndicator.{sc-ext}[`MongoReactiveHealthIndicator`]
+|Checks that a Mongo database is up.
+
 |{sc-spring-boot-actuator}/redis/RedisReactiveHealthIndicator.{sc-ext}[`RedisReactiveHealthIndicator`]
 |Checks that a Redis server is up.
 |===

Original file line number	Diff line number	Diff line change
`@@ -25,8 +25,6 @@`
`25`	`25`	`import org.springframework.data.mongodb.core.ReactiveMongoTemplate;`
`26`	`26`	`import org.springframework.util.Assert;`
`27`	`27`
`28`		`-`
`29`		`-`
`30`	`28`	`/**`
`31`	`29`	`* A {@link ReactiveHealthIndicator} for Mongo.`
`32`	`30`	`*`
`@@ -44,12 +42,14 @@ public MongoReactiveHealthIndicator(ReactiveMongoTemplate reactiveMongoTemplate)`
`44`	`42`
`45`	`43`	`@Override`
`46`	`44`	`protected Mono<Health> doHealthCheck(Health.Builder builder) {`
`47`		`- Mono<Document> documentMono = this.reactiveMongoTemplate.executeCommand("{ buildInfo: 1 }");`
`48`		`- return documentMono.map(document -> up(builder, document));`
	`45`	`+ Mono<Document> buildInfo = this.reactiveMongoTemplate.executeCommand(`
	`46`	`+ "{ buildInfo: 1 }");`
	`47`	`+ return buildInfo.map(document -> up(builder, document));`
`49`	`48`	`}`
`50`	`49`
`51`	`50`	`private Health up(Health.Builder builder, Document document) {`
`52`	`51`	`return builder.up().withDetail("version", document.getString("version")).build();`
`53`	`52`	`}`
	`53`	`+`
`54`	`54`	`}`
`55`	`55`