| /* |
| * 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.geode.admin.jmx.internal; |
| |
| import javax.management.MalformedObjectNameException; |
| import javax.management.ObjectName; |
| import javax.management.modelmbean.ModelMBean; |
| |
| import org.apache.logging.log4j.Logger; |
| |
| import org.apache.geode.SystemFailure; |
| import org.apache.geode.admin.AdminException; |
| import org.apache.geode.admin.DistributedSystemHealthConfig; |
| import org.apache.geode.admin.GemFireHealthConfig; |
| import org.apache.geode.admin.RuntimeAdminException; |
| import org.apache.geode.admin.internal.GemFireHealthImpl; |
| import org.apache.geode.internal.admin.GfManagerAgent; |
| import org.apache.geode.logging.internal.log4j.api.LogService; |
| |
| /** |
| * The JMX "managed resource" that represents the health of GemFire. Basically, it provides the |
| * behavior of <code>GemFireHealthImpl</code>, but does some JMX stuff like registering beans with |
| * the agent. |
| * |
| * @see AdminDistributedSystemJmxImpl#createGemFireHealth |
| * |
| * |
| * @since GemFire 3.5 |
| */ |
| public class GemFireHealthJmxImpl extends GemFireHealthImpl implements ManagedResource { |
| |
| private static final Logger logger = LogService.getLogger(); |
| |
| /** The name of the MBean that will manage this resource */ |
| private String mbeanName; |
| |
| /** The ModelMBean that is configured to manage this resource */ |
| private ModelMBean modelMBean; |
| |
| /** The object name of the MBean created for this managed resource */ |
| private final ObjectName objectName; |
| |
| /////////////////////// Constructors /////////////////////// |
| |
| /** |
| * Creates a new <code>GemFireHealthJmxImpl</code> that monitors the health of the given |
| * distributed system and uses the given JMX agent. |
| */ |
| GemFireHealthJmxImpl(GfManagerAgent agent, AdminDistributedSystemJmxImpl system) |
| throws AdminException { |
| |
| super(agent, system); |
| this.mbeanName = new StringBuffer().append(MBEAN_NAME_PREFIX).append("GemFireHealth,id=") |
| .append(MBeanUtil.makeCompliantMBeanNameProperty(system.getId())).toString(); |
| this.objectName = MBeanUtil.createMBean(this); |
| } |
| |
| ////////////////////// Instance Methods ////////////////////// |
| |
| public String getHealthStatus() { |
| return getHealth().toString(); |
| } |
| |
| public ObjectName manageGemFireHealthConfig(String hostName) throws MalformedObjectNameException { |
| try { |
| GemFireHealthConfig config = getGemFireHealthConfig(hostName); |
| GemFireHealthConfigJmxImpl jmx = (GemFireHealthConfigJmxImpl) config; |
| return new ObjectName(jmx.getMBeanName()); |
| } catch (RuntimeException e) { |
| logger.warn(e.getMessage(), e); |
| throw e; |
| } catch (VirtualMachineError err) { |
| SystemFailure.initiateFailure(err); |
| // If this ever returns, rethrow the error. We're poisoned |
| // now, so don't let this thread continue. |
| throw err; |
| } catch (Error e) { |
| // Whenever you catch Error or Throwable, you must also |
| // catch VirtualMachineError (see above). However, there is |
| // _still_ a possibility that you are dealing with a cascading |
| // error condition, so you also need to check to see if the JVM |
| // is still usable: |
| SystemFailure.checkFailure(); |
| logger.error(e.getMessage(), e); |
| throw e; |
| } |
| } |
| |
| /** |
| * Creates a new {@link DistributedSystemHealthConfigJmxImpl} |
| */ |
| @Override |
| protected DistributedSystemHealthConfig createDistributedSystemHealthConfig() { |
| |
| try { |
| return new DistributedSystemHealthConfigJmxImpl(this); |
| |
| } catch (AdminException ex) { |
| throw new RuntimeAdminException( |
| "While getting the DistributedSystemHealthConfig", |
| ex); |
| } |
| } |
| |
| /** |
| * Creates a new {@link GemFireHealthConfigJmxImpl} |
| */ |
| @Override |
| protected GemFireHealthConfig createGemFireHealthConfig(String hostName) { |
| |
| try { |
| return new GemFireHealthConfigJmxImpl(this, hostName); |
| |
| } catch (AdminException ex) { |
| throw new RuntimeAdminException( |
| "While getting the GemFireHealthConfig", |
| ex); |
| } |
| } |
| |
| /** |
| * Ensures that the three primary Health MBeans are registered and returns their ObjectNames. |
| */ |
| protected void ensureMBeansAreRegistered() { |
| MBeanUtil.ensureMBeanIsRegistered(this); |
| MBeanUtil.ensureMBeanIsRegistered((ManagedResource) this.defaultConfig); |
| MBeanUtil.ensureMBeanIsRegistered((ManagedResource) this.dsHealthConfig); |
| } |
| |
| @Override |
| public String getMBeanName() { |
| return this.mbeanName; |
| } |
| |
| @Override |
| public ModelMBean getModelMBean() { |
| return this.modelMBean; |
| } |
| |
| @Override |
| public void setModelMBean(ModelMBean modelMBean) { |
| this.modelMBean = modelMBean; |
| } |
| |
| @Override |
| public ManagedResourceType getManagedResourceType() { |
| return ManagedResourceType.GEMFIRE_HEALTH; |
| } |
| |
| @Override |
| public ObjectName getObjectName() { |
| return this.objectName; |
| } |
| |
| @Override |
| public void cleanupResource() { |
| close(); |
| } |
| |
| } |