Add service connection from Opentelemetry Collector for Logging

Adds ConnectionDetails from Docker Compose and Testcontainers.

See gh-41324

spring-boot-project/spring-boot-docker-compose/src/dockerTest/java/org/springframework/boot/docker/compose/service/connection/otlp/OpenTelemetryLoggingDockerComposeConnectionDetailsFactoryIntegrationTests.java

@@ -0,0 +1,38 @@
+/*
+ * 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.docker.compose.service.connection.otlp;
+
+import org.springframework.boot.actuate.autoconfigure.logging.opentelemetry.otlp.OtlpLoggingConnectionDetails;
+import org.springframework.boot.docker.compose.service.connection.test.DockerComposeTest;
+import org.springframework.boot.testsupport.container.TestImage;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+/**
+ * Integration tests for
+ * {@link OpenTelemetryLoggingDockerComposeConnectionDetailsFactory}.
+ *
+ * @author Eddú Meléndez
+ */
+class OpenTelemetryLoggingDockerComposeConnectionDetailsFactoryIntegrationTests {
+
+	@DockerComposeTest(composeFile = "otlp-compose.yaml", image = TestImage.OPENTELEMETRY)
+	void runCreatesConnectionDetails(OtlpLoggingConnectionDetails connectionDetails) {
+		assertThat(connectionDetails.getEndpoint()).startsWith("http://").endsWith("/v1/logs");
+	}
+
+}

spring-boot-project/spring-boot-docker-compose/src/main/java/org/springframework/boot/docker/compose/service/connection/otlp/OpenTelemetryLoggingDockerComposeConnectionDetailsFactory.java

@@ -0,0 +1,65 @@
+/*
+ * 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.docker.compose.service.connection.otlp;
+
+import org.springframework.boot.actuate.autoconfigure.logging.opentelemetry.otlp.OtlpLoggingConnectionDetails;
+import org.springframework.boot.docker.compose.core.RunningService;
+import org.springframework.boot.docker.compose.service.connection.DockerComposeConnectionDetailsFactory;
+import org.springframework.boot.docker.compose.service.connection.DockerComposeConnectionSource;
+
+/**
+ * {@link DockerComposeConnectionDetailsFactory} to create
+ * {@link OtlpLoggingConnectionDetails} for an OTLP service.
+ *
+ * @author Eddú Meléndez
+ */
+class OpenTelemetryLoggingDockerComposeConnectionDetailsFactory
+		extends DockerComposeConnectionDetailsFactory<OtlpLoggingConnectionDetails> {
+
+	private static final int OTLP_PORT = 4318;
+
+	OpenTelemetryLoggingDockerComposeConnectionDetailsFactory() {
+		super("otel/opentelemetry-collector-contrib",
+				"org.springframework.boot.actuate.autoconfigure.logging.opentelemetry.otlp.OtlpLoggingAutoConfiguration");
+	}
+
+	@Override
+	protected OtlpLoggingConnectionDetails getDockerComposeConnectionDetails(DockerComposeConnectionSource source) {
+		return new OpenTelemetryLoggingDockerComposeConnectionDetails(source.getRunningService());
+	}
+
+	private static final class OpenTelemetryLoggingDockerComposeConnectionDetails extends DockerComposeConnectionDetails
+			implements OtlpLoggingConnectionDetails {
+
+		private final String host;
+
+		private final int port;
+
+		private OpenTelemetryLoggingDockerComposeConnectionDetails(RunningService source) {
+			super(source);
+			this.host = source.host();
+			this.port = source.ports().get(OTLP_PORT);
+		}
+
+		@Override
+		public String getEndpoint() {
+			return "http://%s:%d/v1/logs".formatted(this.host, this.port);
+		}
+
+	}
+
+}

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

@@ -23,6 +23,7 @@ org.springframework.boot.docker.compose.service.connection.oracle.OracleFreeJdbc
 org.springframework.boot.docker.compose.service.connection.oracle.OracleXeJdbcDockerComposeConnectionDetailsFactory,\
 org.springframework.boot.docker.compose.service.connection.oracle.OracleFreeR2dbcDockerComposeConnectionDetailsFactory,\
 org.springframework.boot.docker.compose.service.connection.oracle.OracleXeR2dbcDockerComposeConnectionDetailsFactory,\
+org.springframework.boot.docker.compose.service.connection.otlp.OpenTelemetryLoggingDockerComposeConnectionDetailsFactory,\
 org.springframework.boot.docker.compose.service.connection.otlp.OpenTelemetryMetricsDockerComposeConnectionDetailsFactory,\
 org.springframework.boot.docker.compose.service.connection.otlp.OpenTelemetryTracingDockerComposeConnectionDetailsFactory,\
 org.springframework.boot.docker.compose.service.connection.postgres.PostgresJdbcDockerComposeConnectionDetailsFactory,\