Add service connection from Opentelemetry Collector for Logging

Adds ConnectionDetails from Docker Compose and Testcontainers.

See gh-41324

spring-boot-project/spring-boot-testcontainers/src/dockerTest/java/org/springframework/boot/testcontainers/service/connection/otlp/OpenTelemetryLoggingContainerConnectionDetailsFactoryIntegrationTests.java

@@ -0,0 +1,63 @@
+/*
+ * Copyright 2012-2024 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.otlp;
+
+import org.junit.jupiter.api.Test;
+import org.testcontainers.containers.GenericContainer;
+import org.testcontainers.junit.jupiter.Container;
+import org.testcontainers.junit.jupiter.Testcontainers;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.actuate.autoconfigure.logging.opentelemetry.otlp.OtlpLoggingConnectionDetails;
+import org.springframework.boot.actuate.autoconfigure.tracing.otlp.OtlpAutoConfiguration;
+import org.springframework.boot.autoconfigure.ImportAutoConfiguration;
+import org.springframework.boot.testcontainers.service.connection.ServiceConnection;
+import org.springframework.boot.testsupport.container.TestImage;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.test.context.junit.jupiter.SpringJUnitConfig;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+/**
+ * Tests for {@link OpenTelemetryLoggingContainerConnectionDetailsFactory}.
+ *
+ * @author Eddú Meléndez
+ */
+@SpringJUnitConfig
+@Testcontainers(disabledWithoutDocker = true)
+class OpenTelemetryLoggingContainerConnectionDetailsFactoryIntegrationTests {
+
+	@Container
+	@ServiceConnection
+	static final GenericContainer<?> container = TestImage.OPENTELEMETRY.genericContainer().withExposedPorts(4318);
+
+	@Autowired
+	private OtlpLoggingConnectionDetails connectionDetails;
+
+	@Test
+	void connectionCanBeMadeToOpenTelemetryContainer() {
+		assertThat(this.connectionDetails.getEndpoint())
+			.isEqualTo("http://" + container.getHost() + ":" + container.getMappedPort(4318) + "/v1/logs");
+	}
+
+	@Configuration(proxyBeanMethods = false)
+	@ImportAutoConfiguration(OtlpAutoConfiguration.class)
+	static class TestConfiguration {
+
+	}
+
+}

spring-boot-project/spring-boot-testcontainers/src/main/java/org/springframework/boot/testcontainers/service/connection/otlp/OpenTelemetryLoggingContainerConnectionDetailsFactory.java

@@ -0,0 +1,63 @@
+/*
+ * Copyright 2012-2024 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.otlp;
+
+import org.testcontainers.containers.Container;
+import org.testcontainers.containers.GenericContainer;
+
+import org.springframework.boot.actuate.autoconfigure.logging.opentelemetry.otlp.OtlpLoggingConnectionDetails;
+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 OtlpLoggingConnectionDetails} from a
+ * {@link ServiceConnection @ServiceConnection}-annotated {@link GenericContainer} using
+ * the {@code "otel/opentelemetry-collector-contrib"} image.
+ *
+ * @author Eddú Meléndez
+ */
+class OpenTelemetryLoggingContainerConnectionDetailsFactory
+		extends ContainerConnectionDetailsFactory<Container<?>, OtlpLoggingConnectionDetails> {
+
+	OpenTelemetryLoggingContainerConnectionDetailsFactory() {
+		super("otel/opentelemetry-collector-contrib",
+				"org.springframework.boot.actuate.autoconfigure.logging.opentelemetry.otlp.OtlpLoggingAutoConfiguration");
+	}
+
+	@Override
+	protected OtlpLoggingConnectionDetails getContainerConnectionDetails(
+			ContainerConnectionSource<Container<?>> source) {
+		return new OpenTelemetryLoggingContainerConnectionDetails(source);
+	}
+
+	private static final class OpenTelemetryLoggingContainerConnectionDetails
+			extends ContainerConnectionDetails<Container<?>> implements OtlpLoggingConnectionDetails {
+
+		private OpenTelemetryLoggingContainerConnectionDetails(ContainerConnectionSource<Container<?>> source) {
+			super(source);
+		}
+
+		@Override
+		public String getEndpoint() {
+			return "http://%s:%d/v1/logs".formatted(getContainer().getHost(), getContainer().getMappedPort(4318));
+		}
+
+	}
+
+}

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

@@ -25,6 +25,7 @@ org.springframework.boot.testcontainers.service.connection.mongo.MongoContainerC
 org.springframework.boot.testcontainers.service.connection.neo4j.Neo4jContainerConnectionDetailsFactory,\
 org.springframework.boot.testcontainers.service.connection.otlp.GrafanaOpenTelemetryMetricsContainerConnectionDetailsFactory,\
 org.springframework.boot.testcontainers.service.connection.otlp.GrafanaOpenTelemetryTracingContainerConnectionDetailsFactory,\
+org.springframework.boot.testcontainers.service.connection.otlp.OpenTelemetryLoggingContainerConnectionDetailsFactory,\
 org.springframework.boot.testcontainers.service.connection.otlp.OpenTelemetryMetricsContainerConnectionDetailsFactory,\
 org.springframework.boot.testcontainers.service.connection.otlp.OpenTelemetryTracingContainerConnectionDetailsFactory,\
 org.springframework.boot.testcontainers.service.connection.pulsar.PulsarContainerConnectionDetailsFactory,\