Add ConnectionDetail support to Influx auto-configuration

Update Influx auto-configuration so that `InfluxDbConnectionDetails`
beans may be optionally used to provide connection details.

See gh-34657

Co-Authored-By: Mortitz Halbritter <mkammerer@vmware.com>
Co-Authored-By: Phillip Webb <pwebb@vmware.com>

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

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2022 the original author or authors.
+ * Copyright 2012-2023 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.
@@ -16,6 +16,8 @@
 
 package org.springframework.boot.autoconfigure.influx;
 
+import java.net.URI;
+
 import okhttp3.OkHttpClient;
 import org.influxdb.InfluxDB;
 import org.influxdb.impl.InfluxDBImpl;
@@ -23,11 +25,15 @@ import org.influxdb.impl.InfluxDBImpl;
 import org.springframework.beans.factory.ObjectProvider;
 import org.springframework.boot.autoconfigure.AutoConfiguration;
 import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
+import org.springframework.boot.autoconfigure.condition.AnyNestedCondition;
+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.condition.ConditionalOnProperty;
 import org.springframework.boot.context.properties.EnableConfigurationProperties;
 import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Condition;
+import org.springframework.context.annotation.Conditional;
 
 /**
  * {@link EnableAutoConfiguration Auto-configuration} for InfluxDB.
@@ -35,6 +41,9 @@ import org.springframework.context.annotation.Bean;
  * @author Sergey Kuptsov
  * @author Stephane Nicoll
  * @author Eddú Meléndez
+ * @author Moritz Halbritter
+ * @author Andy Wilkinson
+ * @author Phillip Webb
  * @since 2.0.0
  */
 @AutoConfiguration
@@ -44,11 +53,14 @@ public class InfluxDbAutoConfiguration {
 
 	@Bean
 	@ConditionalOnMissingBean
-	@ConditionalOnProperty("spring.influx.url")
+	@Conditional(InfluxDBCondition.class)
 	public InfluxDB influxDb(InfluxDbProperties properties, ObjectProvider<InfluxDbOkHttpClientBuilderProvider> builder,
-			ObjectProvider<InfluxDbCustomizer> customizers) {
-		InfluxDB influxDb = new InfluxDBImpl(properties.getUrl(), properties.getUser(), properties.getPassword(),
-				determineBuilder(builder.getIfAvailable()));
+			ObjectProvider<InfluxDbCustomizer> customizers,
+			ObjectProvider<InfluxDbConnectionDetails> connectionDetailsProvider) {
+		InfluxDbConnectionDetails connectionDetails = connectionDetailsProvider
+			.getIfAvailable(() -> new PropertiesInfluxDbConnectionDetails(properties));
+		InfluxDB influxDb = new InfluxDBImpl(connectionDetails.getUrl().toString(), connectionDetails.getUsername(),
+				connectionDetails.getPassword(), determineBuilder(builder.getIfAvailable()));
 		customizers.orderedStream().forEach((customizer) -> customizer.customize(influxDb));
 		return influxDb;
 	}
@@ -60,4 +72,54 @@ public class InfluxDbAutoConfiguration {
 		return new OkHttpClient.Builder();
 	}
 
+	/**
+	 * {@link Condition} that matches when either {@code spring.influx.url} has been set
+	 * or there is an {@link InfluxDbConnectionDetails} bean.
+	 */
+	static final class InfluxDBCondition extends AnyNestedCondition {
+
+		InfluxDBCondition() {
+			super(ConfigurationPhase.REGISTER_BEAN);
+		}
+
+		@ConditionalOnProperty(prefix = "spring.influx", name = "url")
+		private static final class InfluxUrlCondition {
+
+		}
+
+		@ConditionalOnBean(InfluxDbConnectionDetails.class)
+		private static final class InfluxDbConnectionDetailsCondition {
+
+		}
+
+	}
+
+	/**
+	 * Adapts {@link InfluxDbProperties} to {@link InfluxDbConnectionDetails}.
+	 */
+	static class PropertiesInfluxDbConnectionDetails implements InfluxDbConnectionDetails {
+
+		private final InfluxDbProperties properties;
+
+		PropertiesInfluxDbConnectionDetails(InfluxDbProperties properties) {
+			this.properties = properties;
+		}
+
+		@Override
+		public URI getUrl() {
+			return URI.create(this.properties.getUrl());
+		}
+
+		@Override
+		public String getUsername() {
+			return this.properties.getUser();
+		}
+
+		@Override
+		public String getPassword() {
+			return this.properties.getPassword();
+		}
+
+	}
+
 }

spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/influx/InfluxDbConnectionDetails.java

@@ -0,0 +1,51 @@
+/*
+ * Copyright 2012-2023 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
+ *
+ *      https://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.autoconfigure.influx;
+
+import java.net.URI;
+
+import org.springframework.boot.autoconfigure.service.connection.ConnectionDetails;
+
+/**
+ * Details required to establish a connection to an InfluxDB service.
+ *
+ * @author Moritz Halbritter
+ * @author Andy Wilkinson
+ * @author Phillip Webb
+ * @since 3.1.0
+ */
+public interface InfluxDbConnectionDetails extends ConnectionDetails {
+
+	/**
+	 * URL of the InfluxDB instance to which to connect.
+	 * @return the URL of the InfluxDB instance to which to connect
+	 */
+	URI getUrl();
+
+	/**
+	 * Login user.
+	 * @return the login user or {@code null}
+	 */
+	String getUsername();
+
+	/**
+	 * Login password.
+	 * @return the login password or {@code null}
+	 */
+	String getPassword();
+
+}

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/influx/InfluxDbAutoConfigurationTests.java

@@ -16,6 +16,7 @@
 
 package org.springframework.boot.autoconfigure.influx;
 
+import java.net.URI;
 import java.util.concurrent.TimeUnit;
 
 import okhttp3.OkHttpClient;
@@ -38,6 +39,9 @@ import static org.assertj.core.api.Assertions.assertThat;
  * @author Sergey Kuptsov
  * @author Stephane Nicoll
  * @author Eddú Meléndez
+ * @author Moritz Halbritter
+ * @author Andy Wilkinson
+ * @author Phillip Webb
  */
 class InfluxDbAutoConfigurationTests {
 
@@ -49,6 +53,27 @@ class InfluxDbAutoConfigurationTests {
 		this.contextRunner.run((context) -> assertThat(context).doesNotHaveBean(InfluxDB.class));
 	}
 
+	@Test
+	void shouldUseConnectionDetails() {
+		this.contextRunner.withBean(InfluxDbConnectionDetails.class, this::influxDbConnectionDetails).run((context) -> {
+			assertThat(context).hasSingleBean(InfluxDB.class);
+			InfluxDB influxDb = context.getBean(InfluxDB.class);
+			assertThat(influxDb).hasFieldOrPropertyWithValue("hostName", "localhost");
+		});
+	}
+
+	@Test
+	void connectionDetailsOverwriteProperties() {
+		this.contextRunner.withBean(InfluxDbConnectionDetails.class, this::influxDbConnectionDetails)
+			.withPropertyValues("spring.influx.url=http://some-other-host", "spring.influx.user=user",
+					"spring.influx.password=password")
+			.run((context) -> {
+				assertThat(context).hasSingleBean(InfluxDB.class);
+				InfluxDB influxDb = context.getBean(InfluxDB.class);
+				assertThat(influxDb).hasFieldOrPropertyWithValue("hostName", "localhost");
+			});
+	}
+
 	@Test
 	void influxDbCanBeCustomized() {
 		this.contextRunner
@@ -95,6 +120,27 @@ class InfluxDbAutoConfigurationTests {
 		return callFactory.readTimeoutMillis();
 	}
 
+	private InfluxDbConnectionDetails influxDbConnectionDetails() {
+		return new InfluxDbConnectionDetails() {
+
+			@Override
+			public URI getUrl() {
+				return URI.create("http://localhost");
+			}
+
+			@Override
+			public String getUsername() {
+				return "user-1";
+			}
+
+			@Override
+			public String getPassword() {
+				return "password-1";
+			}
+
+		};
+	}
+
 	@Configuration(proxyBeanMethods = false)
 	static class CustomOkHttpClientBuilderProviderConfig {