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Glassfish example source code file (StopInstanceCommand.java)
The Glassfish StopInstanceCommand.java source code/* * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. * * Copyright (c) 2008-2010 Oracle and/or its affiliates. All rights reserved. * * The contents of this file are subject to the terms of either the GNU * General Public License Version 2 only ("GPL") or the Common Development * and Distribution License("CDDL") (collectively, the "License"). You * may not use this file except in compliance with the License. You can * obtain a copy of the License at * https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html * or packager/legal/LICENSE.txt. See the License for the specific * language governing permissions and limitations under the License. * * When distributing the software, include this License Header Notice in each * file and include the License file at packager/legal/LICENSE.txt. * * GPL Classpath Exception: * Oracle designates this particular file as subject to the "Classpath" * exception as provided by Oracle in the GPL Version 2 section of the License * file that accompanied this code. * * Modifications: * If applicable, add the following below the License Header, with the fields * enclosed by brackets [] replaced by your own identifying information: * "Portions Copyright [year] [name of copyright owner]" * * Contributor(s): * If you wish your version of this file to be governed by only the CDDL or * only the GPL Version 2, indicate your decision by adding "[Contributor] * elects to include this software in this distribution under the [CDDL or GPL * Version 2] license." If you don't indicate a single choice of license, a * recipient has the option to distribute your version of this file under * either the CDDL, the GPL Version 2 or to extend the choice of license to * its licensees as provided above. However, if you add GPL Version 2 code * and therefore, elected the GPL Version 2 license, then the option applies * only if the new code is made subject to such option by the copyright * holder. */ package com.sun.enterprise.v3.admin.cluster; import com.sun.enterprise.admin.remote.ServerRemoteAdminCommand; import java.util.logging.Logger; import java.io.File; import java.io.IOException; import java.util.ArrayList; import java.util.List; import com.sun.enterprise.admin.remote.RemoteAdminCommand; import com.sun.enterprise.admin.util.RemoteInstanceCommandHelper; import com.sun.enterprise.config.serverbeans.*; import com.sun.enterprise.module.ModulesRegistry; import com.sun.enterprise.util.StringUtils; import com.sun.enterprise.v3.admin.StopServer; import org.glassfish.api.ActionReport; import org.glassfish.api.I18n; import org.glassfish.api.Param; import org.glassfish.api.admin.AdminCommand; import org.glassfish.api.admin.AdminCommandContext; import org.glassfish.api.admin.ExecuteOn; import org.glassfish.api.admin.CommandException; import org.glassfish.api.admin.CommandLock; import org.glassfish.api.admin.ParameterMap; import org.glassfish.api.admin.RuntimeType; import org.glassfish.api.admin.ServerEnvironment; import org.glassfish.internal.api.ServerContext; import org.glassfish.cluster.ssh.connect.RemoteConnectHelper; import com.sun.enterprise.util.SystemPropertyConstants; import org.jvnet.hk2.annotations.Inject; import org.jvnet.hk2.annotations.Scoped; import org.jvnet.hk2.annotations.Service; import org.jvnet.hk2.component.Habitat; import org.jvnet.hk2.component.PostConstruct; import org.jvnet.hk2.component.PerLookup; import org.glassfish.cluster.ssh.launcher.SSHLauncher; import org.glassfish.cluster.ssh.sftp.SFTPClient; /** * AdminCommand to stop the instance * server. * Shutdown of an instance. * This command only runs on DAS. It calls the instance and asks it to * kill itself * @author Byron Nevins */ @Service(name = "stop-instance") @Scoped(PerLookup.class) @CommandLock(CommandLock.LockType.NONE) // allow stop-instance always @I18n("stop.instance.command") @ExecuteOn(RuntimeType.DAS) public class StopInstanceCommand extends StopServer implements AdminCommand, PostConstruct { @Inject private Habitat habitat; @Inject private ServerContext serverContext; @Inject private Nodes nodes; @Inject private ServerEnvironment env; @Inject Node[] nodeList; @Inject private ModulesRegistry registry; @Param(optional = true, defaultValue = "true") private Boolean force = true; @Param(optional = true, defaultValue = "false") private Boolean kill = false; @Param(optional = false, primary = true) private String instanceName; private Logger logger; private RemoteInstanceCommandHelper helper; private ActionReport report; private String errorMessage = null; private String cmdName = "stop-instance"; private Server instance; File pidFile = null; SFTPClient ftpClient=null; public void execute(AdminCommandContext context) { report = context.getActionReport(); logger = context.getLogger(); SSHLauncher launcher; RemoteConnectHelper rch; int dasPort; String dasHost; if (env.isDas()) { if (kill) { errorMessage = killInstance(context); } else { errorMessage = callInstance(); } } else { errorMessage = Strings.get("stop.instance.notDas", env.getRuntimeType().toString()); } if(errorMessage == null && !kill) { errorMessage = pollForDeath(); } if (errorMessage != null) { report.setActionExitCode(ActionReport.ExitCode.FAILURE); report.setMessage(errorMessage); return; } report.setActionExitCode(ActionReport.ExitCode.SUCCESS); report.setMessage(Strings.get("stop.instance.success", instanceName)); if (kill) { // If we killed then stop-local-instance already waited for death return; } // we think the instance is down but it might not be completely down so do further checking // get the node name and then the node // if localhost check if files exists // else if SSH check if file exists on remote system // else can't check anything else. String nodeName = instance.getNodeRef(); Node node = nodes.getNode(nodeName); String nodeHost = node.getNodeHost(); InstanceDirUtils insDU = new InstanceDirUtils(node, serverContext); try { pidFile = new File (insDU.getLocalInstanceDir(instance.getName()) , "config/pid"); } catch (java.io.IOException eio){ // could not get the file name so can't see if it still exists. Need to exit return; } // this should be replaced with method from Node config bean. dasPort = helper.getAdminPort(SystemPropertyConstants.DAS_SERVER_NAME); dasHost = System.getProperty(SystemPropertyConstants.HOST_NAME_PROPERTY); rch = new RemoteConnectHelper(habitat, node, logger, dasHost, dasPort); if (rch.isLocalhost()){ if (pidFile.exists()){ //server still not down completely, do we poll? errorMessage = pollForRealDeath("local"); } } else if (node.getType().equals("SSH")) { //use SFTPClient to see if file exists. launcher = habitat.getComponent(SSHLauncher.class); launcher.init(node, logger); try { ftpClient = launcher.getSFTPClient(); if (ftpClient.exists(pidFile.toString())){ // server still not down, do we poll? errorMessage = pollForRealDeath("remote"); } } catch (IOException ex) { //could not get to other host } } if (errorMessage != null) { report.setActionExitCode(ActionReport.ExitCode.FAILURE); report.setMessage(errorMessage); } } @Override public void postConstruct() { helper = new RemoteInstanceCommandHelper(habitat); } private String initializeInstance() { if (!StringUtils.ok(instanceName)) return Strings.get("stop.instance.noInstanceName", cmdName); instance = helper.getServer(instanceName); if (instance == null) return Strings.get("stop.instance.noSuchInstance", instanceName); return null; } /** * return null if all went OK... * */ private String callInstance() { String msg = initializeInstance(); if (msg != null) return msg; String host = instance.getAdminHost(); if (host == null) return Strings.get("stop.instance.noHost", instanceName); int port = helper.getAdminPort(instance); if (port < 0) return Strings.get("stop.instance.noPort", instanceName); if(!instance.isRunning()) return null; try { logger.info(Strings.get("stop.instance.init", instanceName)); RemoteAdminCommand rac = new ServerRemoteAdminCommand(habitat, "_stop-instance", host, port, false, "admin", null, logger); // notice how we do NOT send in the instance's name as an operand!! ParameterMap map = new ParameterMap(); map.add("force", Boolean.toString(force)); rac.executeCommand(map); } catch (CommandException ex) { return Strings.get("stop.instance.racError", instanceName, ex.getLocalizedMessage()); } return null; } private String killInstance(AdminCommandContext context) { String msg = initializeInstance(); if (msg != null) return msg; String nodeName = instance.getNodeRef(); Node node = nodes.getNode(nodeName); NodeUtils nodeUtils = new NodeUtils(habitat, logger); // asadmin command to run on instances node ArrayList<String> command = new ArrayList Other Glassfish examples (source code examples)Here is a short list of links related to this Glassfish StopInstanceCommand.java source code file: |
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