Polish "Add influxDB java client auto-configuration"

Closes gh-9066

spring-boot-autoconfigure/pom.xml

@@ -641,6 +641,11 @@
 			<artifactId>aspectjweaver</artifactId>
 			<optional>true</optional>
 		</dependency>
+		<dependency>
+			<groupId>org.influxdb</groupId>
+			<artifactId>influxdb-java</artifactId>
+			<optional>true</optional>
+		</dependency>
 		<dependency>
 			<groupId>org.jooq</groupId>
 			<artifactId>jooq</artifactId>
@@ -661,11 +666,6 @@
 			<artifactId>quartz</artifactId>
 			<optional>true</optional>
 		</dependency>
-		<dependency>
-			<groupId>org.influxdb</groupId>
-			<artifactId>influxdb-java</artifactId>
-			<optional>true</optional>
-		</dependency>
 		<!-- Annotation processing -->
 		<dependency>
 			<groupId>org.springframework.boot</groupId>

spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/influx/InfluxDBAutoConfiguration.java → spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/influx/InfluxDbAutoConfiguration.java

@@ -23,6 +23,7 @@ import org.influxdb.InfluxDBFactory;
 import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
 import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
 import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
+import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
 import org.springframework.boot.context.properties.EnableConfigurationProperties;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
@@ -31,32 +32,32 @@ import org.springframework.context.annotation.Configuration;
  * {@link EnableAutoConfiguration Auto-configuration} for InfluxDB.
  *
  * @author Sergey Kuptsov
+ * @author Stephane Nicoll
+ * @since 2.0.0
  */
 @Configuration
 @ConditionalOnClass(InfluxDB.class)
-@EnableConfigurationProperties(InfluxDBProperties.class)
-public class InfluxDBAutoConfiguration {
+@EnableConfigurationProperties(InfluxDbProperties.class)
+public class InfluxDbAutoConfiguration {
 
-	private final InfluxDBProperties properties;
+	private final InfluxDbProperties properties;
 
-	public InfluxDBAutoConfiguration(InfluxDBProperties properties) {
+	public InfluxDbAutoConfiguration(InfluxDbProperties properties) {
 		this.properties = properties;
 	}
 
 	@Bean
 	@ConditionalOnMissingBean
-	public InfluxDB influxDB() {
-		if (Strings.isNullOrEmpty(this.properties.getUser())) {
-			return InfluxDBFactory.connect(
-					this.properties.getUrl()
-			);
+	@ConditionalOnProperty("spring.influx.client.url")
+	public InfluxDB influxDb() {
+		InfluxDbProperties.Client client = this.properties.getClient();
+		if (Strings.isNullOrEmpty(client.getUser())) {
+			return InfluxDBFactory.connect(client.getUrl());
 		}
 		else {
-			return InfluxDBFactory.connect(
-					this.properties.getUrl(),
-					this.properties.getUser(),
-					this.properties.getPassword()
-			);
+			return InfluxDBFactory.connect(client.getUrl(), client.getUser(),
+					client.getPassword());
 		}
 	}
+
 }

spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/influx/InfluxDBProperties.java → spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/influx/InfluxDbProperties.java

@@ -22,22 +22,32 @@ import org.springframework.boot.context.properties.ConfigurationProperties;
  * Configuration properties for InfluxDB.
  *
  * @author Sergey Kuptsov
+ * @author Stephane Nicoll
+ * @since 2.0.0
  */
-@ConfigurationProperties(prefix = "spring.data.influx")
-public class InfluxDBProperties {
+@ConfigurationProperties(prefix = "spring.influx")
+public class InfluxDbProperties {
+
+	private final Client client = new Client();
+
+	public Client getClient() {
+		return this.client;
+	}
+
+	public static class Client {
 
 		/**
-	 * The url to connect to.
+		 * Url of the InfluxDB instance to connect to.
 		 */
 		private String url;
 
 		/**
-	 * The username which is used to authorize against the influxDB instance.
+		 * Login user.
 		 */
 		private String user;
 
 		/**
-	 * The password for the username which is used to authorize against the influxDB.
+		 * Login password.
 		 */
 		private String password;
 
@@ -64,4 +74,7 @@ public class InfluxDBProperties {
 		public void setPassword(String password) {
 			this.password = password;
 		}
+
+	}
+
 }

spring-boot-autoconfigure/src/main/resources/META-INF/spring.factories

@@ -62,6 +62,7 @@ org.springframework.boot.autoconfigure.hateoas.HypermediaAutoConfiguration,\
 org.springframework.boot.autoconfigure.hazelcast.HazelcastAutoConfiguration,\
 org.springframework.boot.autoconfigure.hazelcast.HazelcastJpaDependencyAutoConfiguration,\
 org.springframework.boot.autoconfigure.http.HttpMessageConvertersAutoConfiguration,\
+org.springframework.boot.autoconfigure.influx.InfluxDbAutoConfiguration,\
 org.springframework.boot.autoconfigure.info.ProjectInfoAutoConfiguration,\
 org.springframework.boot.autoconfigure.integration.IntegrationAutoConfiguration,\
 org.springframework.boot.autoconfigure.jackson.JacksonAutoConfiguration,\
@@ -122,8 +123,7 @@ org.springframework.boot.autoconfigure.web.servlet.WebMvcAutoConfiguration,\
 org.springframework.boot.autoconfigure.websocket.reactive.WebSocketReactiveAutoConfiguration,\
 org.springframework.boot.autoconfigure.websocket.servlet.WebSocketServletAutoConfiguration,\
 org.springframework.boot.autoconfigure.websocket.servlet.WebSocketMessagingAutoConfiguration,\
-org.springframework.boot.autoconfigure.webservices.WebServicesAutoConfiguration,\
-org.springframework.boot.autoconfigure.influx.InfluxDBAutoConfiguration
+org.springframework.boot.autoconfigure.webservices.WebServicesAutoConfiguration
 
 # Failure analyzers
 org.springframework.boot.diagnostics.FailureAnalyzer=\

spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/influx/InfluxDBAutoConfigurationTest.java → spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/influx/InfluxDbAutoConfigurationTest.java

@@ -16,29 +16,25 @@
 
 package org.springframework.boot.autoconfigure.influx;
 
-import org.assertj.core.api.Java6Assertions;
 import org.influxdb.InfluxDB;
 import org.junit.After;
-import org.junit.Before;
 import org.junit.Test;
 
-import org.springframework.boot.test.util.EnvironmentTestUtils;
+import org.springframework.boot.test.util.TestPropertyValues;
 import org.springframework.context.annotation.AnnotationConfigApplicationContext;
 
+import static org.assertj.core.api.Assertions.assertThat;
+
 /**
- * Tests for {@link InfluxDBAutoConfiguration}.
+ * Tests for {@link InfluxDbAutoConfiguration}.
  *
  * @author Sergey Kuptsov
+ * @author Stephane Nicoll
  */
-public class InfluxDBAutoConfigurationTest {
+public class InfluxDbAutoConfigurationTest {
 
 	private AnnotationConfigApplicationContext context;
 
-	@Before
-	public void setUp() {
-		this.context = new AnnotationConfigApplicationContext();
-	}
-
 	@After
 	public void tearDown() {
 		if (this.context != null) {
@@ -47,20 +43,31 @@ public class InfluxDBAutoConfigurationTest {
 	}
 
 	@Test
-	public void canEnableConfiguration() {
-		this.context.register(InfluxDBAutoConfiguration.class);
-		EnvironmentTestUtils.addEnvironment(this.context, "spring.data.influx.url=http://localhost");
-		EnvironmentTestUtils.addEnvironment(this.context, "spring.data.influx.password:password");
-		EnvironmentTestUtils.addEnvironment(this.context, "spring.data.influx.user:user");
-		this.context.refresh();
-		Java6Assertions.assertThat(this.context.getBeansOfType(InfluxDB.class)).isNotEmpty();
+	public void clientRequiresUrl() {
+		load();
+		assertThat(this.context.getBeansOfType(InfluxDB.class)).isEmpty();
 	}
 
 	@Test
-	public void canEnableWithEmptyUserConfiguration() {
-		this.context.register(InfluxDBAutoConfiguration.class);
-		EnvironmentTestUtils.addEnvironment(this.context, "spring.data.influx.url=http://localhost");
-		this.context.refresh();
-		Java6Assertions.assertThat(this.context.getBeansOfType(InfluxDB.class)).isNotEmpty();
+	public void clientCanBeCustomized() {
+		load("spring.influx.client.url=http://localhost",
+				"spring.influx.client.password:password",
+				"spring.influx.client.user:user");
+		assertThat(this.context.getBeansOfType(InfluxDB.class)).hasSize(1);
 	}
+
+	@Test
+	public void clientCanBeCreatedWithoutCredentials() {
+		load("spring.influx.client.url=http://localhost");
+		assertThat(this.context.getBeansOfType(InfluxDB.class)).hasSize(1);
+	}
+
+	private void load(String... environment) {
+		AnnotationConfigApplicationContext ctx = new AnnotationConfigApplicationContext();
+		TestPropertyValues.of(environment).applyTo(ctx);
+		ctx.register(InfluxDbAutoConfiguration.class);
+		ctx.refresh();
+		this.context = ctx;
+	}
+
 }

spring-boot-dependencies/pom.xml

@@ -93,6 +93,7 @@
 		<httpclient.version>4.5.3</httpclient.version>
 		<httpcore.version>4.4.6</httpcore.version>
 		<infinispan.version>8.2.6.Final</infinispan.version>
+		<influxdb-java.version>2.5</influxdb-java.version>
 		<jackson.version>2.9.0.pr3</jackson.version>
 		<janino.version>3.0.7</janino.version>
 		<javassist.version>3.21.0-GA</javassist.version> <!-- Same as Hibernate -->
@@ -190,7 +191,6 @@
 		<webjars-locator.version>0.32-1</webjars-locator.version>
 		<wsdl4j.version>1.6.3</wsdl4j.version>
 		<xml-apis.version>1.4.01</xml-apis.version>
-		<influxdb-java.version>2.5</influxdb-java.version>
 		<!-- Plugin versions -->
 		<build-helper-maven-plugin.version>1.10</build-helper-maven-plugin.version>
 		<exec-maven-plugin.version>1.5.0</exec-maven-plugin.version>
@@ -1857,6 +1857,11 @@
 					</exclusion>
 				</exclusions>
 			</dependency>
+			<dependency>
+				<groupId>org.influxdb</groupId>
+				<artifactId>influxdb-java</artifactId>
+				<version>${influxdb-java.version}</version>
+			</dependency>
 			<dependency>
 				<groupId>org.javassist</groupId>
 				<artifactId>javassist</artifactId>
@@ -2473,11 +2478,6 @@
 				<artifactId>xml-apis</artifactId>
 				<version>${xml-apis.version}</version>
 			</dependency>
-			<dependency>
-				<groupId>org.influxdb</groupId>
-				<artifactId>influxdb-java</artifactId>
-				<version>${influxdb-java.version}</version>
-			</dependency>
 		</dependencies>
 	</dependencyManagement>
 	<build>

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

@@ -714,6 +714,11 @@ content into your application; rather pick only the properties that you need.
 	spring.h2.console.settings.trace=false # Enable trace output.
 	spring.h2.console.settings.web-allow-others=false # Enable remote access.
 
+	# InfluxDB ({sc-spring-boot-autoconfigure}/influx/InfluxProperties.{sc-ext}[InfluxProperties])
+	spring.influx.client.password= # Login password.
+	spring.influx.client.url= # Url of the InfluxDB instance to connect to.
+	spring.influx.client.user= # Login user.
+
 	# JOOQ ({sc-spring-boot-autoconfigure}/jooq/JooqAutoConfiguration.{sc-ext}[JooqAutoConfiguration])
 	spring.jooq.sql-dialect= # Sql dialect to use, auto-detected by default.