| /** |
| * 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 |
| * <p> |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * <p> |
| * 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.hadoop.yarn.server.resourcemanager; |
| |
| import org.apache.hadoop.metrics2.util.MBeans; |
| import org.apache.hadoop.net.NetUtils; |
| import org.apache.hadoop.security.UserGroupInformation; |
| |
| import javax.management.NotCompliantMBeanException; |
| import javax.management.ObjectName; |
| import javax.management.StandardMBean; |
| |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| /** |
| * JMX bean for RM info. |
| */ |
| public class RMInfo implements RMInfoMXBean { |
| private static final Logger LOG = LoggerFactory.getLogger(RMNMInfo.class); |
| private ResourceManager resourceManager; |
| private ObjectName rmStatusBeanName; |
| |
| /** |
| * Constructor for RMInfo registers the bean with JMX. |
| * |
| * @param resourceManager resource manager's context object |
| */ |
| RMInfo(ResourceManager resourceManager) { |
| this.resourceManager = resourceManager; |
| } |
| |
| public void register() { |
| StandardMBean bean; |
| try { |
| bean = new StandardMBean(this, RMInfoMXBean.class); |
| rmStatusBeanName = MBeans.register("ResourceManager", "RMInfo", bean); |
| } catch (NotCompliantMBeanException e) { |
| LOG.warn("Error registering RMInfo MBean", e); |
| } |
| LOG.info("Registered RMInfo MBean"); |
| } |
| |
| public void unregister() { |
| if (rmStatusBeanName != null) { |
| MBeans.unregister(rmStatusBeanName); |
| } |
| } |
| |
| @Override public String getState() { |
| return this.resourceManager.getRMContext().getHAServiceState().toString(); |
| } |
| |
| @Override public String getHostAndPort() { |
| return NetUtils.getHostPortString(ResourceManager.getBindAddress( |
| this.resourceManager.getRMContext().getYarnConfiguration())); |
| } |
| |
| @Override public boolean isSecurityEnabled() { |
| return UserGroupInformation.isSecurityEnabled(); |
| } |
| } |