Add service connection from Testcontainers Redpanda

Redpanda (https://redpanda.com/) is Kafka-compatible and
Testcontainers provides a module. This commit adds support for
creating KafkaConnectionDetails from a
@ServiceConnection-annotated RedpandaContainer.

See gh-34780

spring-boot-project/spring-boot-testcontainers/src/main/java/org/springframework/boot/testcontainers/service/connection/redpanda/RedpandaContainerConnectionDetailsFactory.java

@@ -0,0 +1,65 @@
+/*
+ * 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.testcontainers.service.connection.redpanda;
+
+import java.net.URI;
+import java.util.List;
+
+import org.testcontainers.redpanda.RedpandaContainer;
+
+import org.springframework.boot.autoconfigure.kafka.KafkaConnectionDetails;
+import org.springframework.boot.testcontainers.service.connection.ContainerConnectionDetailsFactory;
+import org.springframework.boot.testcontainers.service.connection.ContainerConnectionSource;
+import org.springframework.boot.testcontainers.service.connection.ServiceConnection;
+
+/**
+ * {@link ContainerConnectionDetailsFactory} to create {@link KafkaConnectionDetails} from
+ * a {@link ServiceConnection @ServiceConnection}-annotated {@link RedpandaContainer}.
+ *
+ * @author Eddú Meléndez
+ */
+class RedpandaContainerConnectionDetailsFactory
+		extends ContainerConnectionDetailsFactory<KafkaConnectionDetails, RedpandaContainer> {
+
+	@Override
+	protected KafkaConnectionDetails getContainerConnectionDetails(
+			ContainerConnectionSource<RedpandaContainer> source) {
+		return new RedpandaContainerConnectionDetails(source);
+	}
+
+	/**
+	 * {@link KafkaConnectionDetails} backed by a {@link ContainerConnectionSource}.
+	 */
+	private static final class RedpandaContainerConnectionDetails extends ContainerConnectionDetails
+			implements KafkaConnectionDetails {
+
+		private final RedpandaContainer container;
+
+		private RedpandaContainerConnectionDetails(ContainerConnectionSource<RedpandaContainer> source) {
+			super(source);
+			this.container = source.getContainer();
+		}
+
+		@Override
+		public List<Node> getBootstrapNodes() {
+			URI uri = URI.create(this.container.getBootstrapServers());
+			return List.of(new Node(uri.getHost(), uri.getPort()));
+		}
+
+	}
+
+}

spring-boot-project/spring-boot-testcontainers/src/main/java/org/springframework/boot/testcontainers/service/connection/redpanda/package-info.java

@@ -0,0 +1,20 @@
+/*
+ * 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.
+ */
+
+/**
+ * Support for testcontainers Redpanda service connections.
+ */
+package org.springframework.boot.testcontainers.service.connection.redpanda;

spring-boot-project/spring-boot-testcontainers/src/main/resources/META-INF/spring.factories

@@ -23,4 +23,5 @@ org.springframework.boot.testcontainers.service.connection.r2dbc.MariaDbR2dbcCon
 org.springframework.boot.testcontainers.service.connection.r2dbc.MsSqlServerR2dbcContainerConnectionDetailsFactory,\
 org.springframework.boot.testcontainers.service.connection.r2dbc.MySqlR2dbcContainerConnectionDetailsFactory,\
 org.springframework.boot.testcontainers.service.connection.r2dbc.PostgresR2dbcContainerConnectionDetailsFactory,\
-org.springframework.boot.testcontainers.service.connection.redis.RedisContainerConnectionDetailsFactory
+org.springframework.boot.testcontainers.service.connection.redis.RedisContainerConnectionDetailsFactory,\
+org.springframework.boot.testcontainers.service.connection.redpanda.RedpandaContainerConnectionDetailsFactory