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Moves ServiceInfo to tracer module and reduce dependency exposure to …
…core module of plugins. (#3272) * Move ServiceInfo to tracer-api within custom tracer submodule. * Restore package structure and split test for ServiceInfo.
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apm-agent-core/src/main/java/co/elastic/apm/agent/configuration/AutoDetectedServiceInfo.java
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| @@ -0,0 +1,130 @@ | ||
| /* | ||
| * Licensed to Elasticsearch B.V. under one or more contributor | ||
| * license agreements. See the NOTICE file distributed with | ||
| * this work for additional information regarding copyright | ||
| * ownership. Elasticsearch B.V. licenses this file to you 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 | ||
| * | ||
| * http://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 co.elastic.apm.agent.configuration; | ||
|
|
||
| import co.elastic.apm.agent.sdk.internal.util.PrivilegedActionUtils; | ||
| import co.elastic.apm.agent.tracer.service.ServiceInfo; | ||
|
|
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| import javax.annotation.Nullable; | ||
| import java.util.Map; | ||
| import java.util.Properties; | ||
| import java.util.jar.JarFile; | ||
|
|
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| public class AutoDetectedServiceInfo { | ||
|
|
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| private static final String JAR_VERSION_SUFFIX = "-(\\d+\\.)+(\\d+)(.*)?$"; | ||
|
|
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| private static final ServiceInfo AUTO_DETECTED = AutoDetectedServiceInfo.autoDetect(System.getProperties(), PrivilegedActionUtils.getEnv()); | ||
|
|
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| private AutoDetectedServiceInfo() { | ||
| } | ||
|
|
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| public static ServiceInfo autoDetected() { | ||
| return AUTO_DETECTED; | ||
| } | ||
|
|
||
| public static ServiceInfo autoDetect(Properties sysProperties, Map<String,String> sysEnv) { | ||
| String lambdaFunctionName = sysEnv.get("AWS_LAMBDA_FUNCTION_NAME"); | ||
| if (lambdaFunctionName != null) { | ||
| return ServiceInfo.of(lambdaFunctionName, sysEnv.get("AWS_LAMBDA_FUNCTION_VERSION")); | ||
| } else { | ||
| ServiceInfo serviceInfo = createFromSunJavaCommand(sysProperties.getProperty("sun.java.command")); | ||
| if (serviceInfo != null) { | ||
| return serviceInfo; | ||
| } | ||
| return ServiceInfo.empty(); | ||
| } | ||
| } | ||
|
|
||
| @Nullable | ||
| private static ServiceInfo createFromSunJavaCommand(@Nullable String command) { | ||
| if (command == null) { | ||
| return null; | ||
| } | ||
| command = command.trim(); | ||
| String serviceName = getContainerServiceName(command); | ||
| if (serviceName != null) { | ||
| return ServiceInfo.ofMultiServiceContainer(serviceName); | ||
| } | ||
| if (command.contains(".jar")) { | ||
| return fromJarCommand(command); | ||
| } else { | ||
| return fromMainClassCommand(command); | ||
| } | ||
| } | ||
|
|
||
| @Nullable | ||
| private static String getContainerServiceName(String command) { | ||
| if (command.startsWith("org.apache.catalina.startup.Bootstrap")) { | ||
| return "tomcat-application"; | ||
| } else if (command.startsWith("org.eclipse.jetty")) { | ||
| return "jetty-application"; | ||
| } else if (command.startsWith("com.sun.enterprise.glassfish")) { | ||
| return "glassfish-application"; | ||
| } else if (command.contains("ws-server.jar")) { | ||
| return "websphere-application"; | ||
| } else if (command.contains("jboss-modules.jar")) { | ||
| return "jboss-application"; | ||
| } else if (command.contains("weblogic")) { | ||
| return "weblogic-application"; | ||
| } | ||
| return null; | ||
| } | ||
|
|
||
| private static ServiceInfo fromJarCommand(String command) { | ||
| final String[] commandParts = command.split(" "); | ||
| ServiceInfo serviceInfoFromManifest = ServiceInfo.empty(); | ||
| ServiceInfo serviceInfoFromJarName = ServiceInfo.empty(); | ||
| for (String commandPart : commandParts) { | ||
| if (commandPart.endsWith(".jar")) { | ||
| try (JarFile jarFile = new JarFile(commandPart)) { | ||
| serviceInfoFromManifest = ServiceInfo.fromManifest(jarFile.getManifest()); | ||
| } catch (Exception ignored) { | ||
| } | ||
|
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| serviceInfoFromJarName = ServiceInfo.of(removeVersionFromJar(removePath(removeJarExtension(commandPart)))); | ||
| break; | ||
| } | ||
| } | ||
| return serviceInfoFromManifest.withFallback(serviceInfoFromJarName); | ||
| } | ||
|
|
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| private static String removeJarExtension(String commandPart) { | ||
| return commandPart.substring(0, commandPart.indexOf(".jar")); | ||
| } | ||
|
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| private static String removePath(String path) { | ||
| return path.substring(path.lastIndexOf("/") + 1).substring(path.lastIndexOf("\\") + 1); | ||
| } | ||
|
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| private static String removeVersionFromJar(String jarFileName) { | ||
| return jarFileName.replaceFirst(JAR_VERSION_SUFFIX, ""); | ||
| } | ||
|
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| private static ServiceInfo fromMainClassCommand(String command) { | ||
| final String mainClassName; | ||
| int indexOfSpace = command.indexOf(' '); | ||
| if (indexOfSpace != -1) { | ||
| mainClassName = command.substring(0, indexOfSpace); | ||
| } else { | ||
| mainClassName = command; | ||
| } | ||
| return ServiceInfo.of(mainClassName.substring(mainClassName.lastIndexOf('.') + 1)); | ||
| } | ||
| } |
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