| /** |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF 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 org.apache.kafka.common.utils; |
| |
| import java.io.InputStream; |
| import java.lang.management.ManagementFactory; |
| import java.util.Properties; |
| |
| import javax.management.JMException; |
| import javax.management.MBeanServer; |
| import javax.management.ObjectName; |
| |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| public class AppInfoParser { |
| private static final Logger log = LoggerFactory.getLogger(AppInfoParser.class); |
| private static String version = "unknown"; |
| private static String commitId = "unknown"; |
| |
| static { |
| try (InputStream resourceStream = AppInfoParser.class.getResourceAsStream("/kafka/kafka-version.properties")) { |
| Properties props = new Properties(); |
| props.load(resourceStream); |
| version = props.getProperty("version", version).trim(); |
| commitId = props.getProperty("commitId", commitId).trim(); |
| } catch (Exception e) { |
| log.warn("Error while loading kafka-version.properties :" + e.getMessage()); |
| } |
| } |
| |
| public static String getVersion() { |
| return version; |
| } |
| |
| public static String getCommitId() { |
| return commitId; |
| } |
| |
| public static void registerAppInfo(String prefix, String id) { |
| try { |
| ObjectName name = new ObjectName(prefix + ":type=app-info,id=" + id); |
| AppInfo mBean = new AppInfo(); |
| ManagementFactory.getPlatformMBeanServer().registerMBean(mBean, name); |
| } catch (JMException e) { |
| log.warn("Error registering AppInfo mbean", e); |
| } |
| } |
| |
| public static void unregisterAppInfo(String prefix, String id) { |
| MBeanServer server = ManagementFactory.getPlatformMBeanServer(); |
| try { |
| ObjectName name = new ObjectName(prefix + ":type=app-info,id=" + id); |
| if (server.isRegistered(name)) |
| server.unregisterMBean(name); |
| } catch (JMException e) { |
| log.warn("Error unregistering AppInfo mbean", e); |
| } |
| } |
| |
| public interface AppInfoMBean { |
| public String getVersion(); |
| public String getCommitId(); |
| } |
| |
| public static class AppInfo implements AppInfoMBean { |
| |
| public AppInfo() { |
| log.info("Kafka version : " + AppInfoParser.getVersion()); |
| log.info("Kafka commitId : " + AppInfoParser.getCommitId()); |
| } |
| |
| @Override |
| public String getVersion() { |
| return AppInfoParser.getVersion(); |
| } |
| |
| @Override |
| public String getCommitId() { |
| return AppInfoParser.getCommitId(); |
| } |
| |
| } |
| } |