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Micro Distribution of the Payara Project for IBM JDK
/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) 2011-2013 Oracle and/or its affiliates. All rights reserved.
*
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* and Distribution License("CDDL") (collectively, the "License"). You
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* obtain a copy of the License at
* https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
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*/
package com.sun.enterprise.v3.admin.cluster;
import java.util.List;
import java.util.ArrayList;
import java.util.logging.Logger;
import java.util.logging.Level;
import java.io.File;
import com.sun.enterprise.util.StringUtils;
import com.sun.enterprise.util.SystemPropertyConstants;
import com.sun.enterprise.config.serverbeans.*;
import org.glassfish.api.ActionReport;
import org.glassfish.api.Param;
import org.glassfish.api.admin.*;
import org.glassfish.api.admin.CommandRunner.CommandInvocation;
import javax.inject.Inject;
import org.glassfish.hk2.api.IterableProvider;
import org.glassfish.hk2.api.ServiceLocator;
import com.sun.enterprise.universal.process.ProcessManager;
import com.sun.enterprise.universal.process.ProcessManagerException;
/**
* Remote AdminCommand to delete a config node. This command is run only on DAS.
*
* @author Carla Mott
*/
public abstract class DeleteNodeRemoteCommand implements AdminCommand {
private static final int DEFAULT_TIMEOUT_MSEC = 300000; // 5 minutes
@Inject
protected ServiceLocator habitat;
@Inject
IterableProvider nodeList;
@Inject
Nodes nodes;
@Inject
private CommandRunner cr;
@Param(name = "name", primary = true)
String name;
@Param(optional = true, defaultValue = "false")
boolean uninstall;
@Param(optional = true, defaultValue = "false")
boolean force;
protected String remotepassword = null;
protected String sshkeypassphrase = null;
private static final String NL = System.getProperty("line.separator");
protected Logger logger = null;
protected abstract List getPasswords();
protected abstract String getUninstallCommandName();
protected abstract void setTypeSpecificOperands(List command, ParameterMap map);
protected final void executeInternal(AdminCommandContext context) {
ActionReport report = context.getActionReport();
logger = context.getLogger();
Node node = nodes.getNode(name);
if (node == null) {
//no node to delete nothing to do here
String msg = Strings.get("noSuchNode", name);
logger.warning(msg);
report.setActionExitCode(ActionReport.ExitCode.FAILURE);
report.setMessage(msg);
return;
}
String type = node.getType();
if ((type == null) || (type.equals("CONFIG"))) {
//no node to delete nothing to do here
String msg = Strings.get("notRemoteNodeType", name);
logger.warning(msg);
report.setActionExitCode(ActionReport.ExitCode.FAILURE);
report.setMessage(msg);
return;
}
ParameterMap info = new ParameterMap();
if (uninstall) {
//store needed info for uninstall
SshConnector sshC = node.getSshConnector();
SshAuth sshAuth = sshC.getSshAuth();
if (sshAuth.getPassword() != null)
info.add(NodeUtils.PARAM_REMOTEPASSWORD, sshAuth.getPassword());
if (sshAuth.getKeyPassphrase() != null)
info.add(NodeUtils.PARAM_SSHKEYPASSPHRASE, sshAuth.getKeyPassphrase());
if (sshAuth.getKeyfile() != null)
info.add(NodeUtils.PARAM_SSHKEYFILE, sshAuth.getKeyfile());
info.add(NodeUtils.PARAM_INSTALLDIR, node.getInstallDir());
info.add(NodeUtils.PARAM_REMOTEPORT, sshC.getSshPort());
info.add(NodeUtils.PARAM_REMOTEUSER, sshAuth.getUserName());
info.add(NodeUtils.PARAM_NODEHOST, node.getNodeHost());
info.add(NodeUtils.PARAM_WINDOWS_DOMAIN, node.getWindowsDomain());
}
CommandInvocation ci = cr.getCommandInvocation("_delete-node", report, context.getSubject());
ParameterMap map = new ParameterMap();
map.add("DEFAULT", name);
ci.parameters(map);
ci.execute();
//uninstall GlassFish after deleting the node
if (uninstall) {
boolean s = uninstallNode(context, info, node);
if (!s && !force) {
report.setActionExitCode(ActionReport.ExitCode.FAILURE);
return;
}
}
}
/**
* Prepares for invoking uninstall-node on DAS
* @param ctx command context
* @return true if uninstall-node succeeds, false otherwise
*/
private boolean uninstallNode(AdminCommandContext ctx, ParameterMap map, Node node) {
boolean res = false;
remotepassword = map.getOne(NodeUtils.PARAM_REMOTEPASSWORD);
sshkeypassphrase = map.getOne(NodeUtils.PARAM_SSHKEYPASSPHRASE);
ArrayList command = new ArrayList();
command.add(getUninstallCommandName());
command.add("--installdir");
command.add(map.getOne(NodeUtils.PARAM_INSTALLDIR));
if (force) {
command.add("--force");
}
setTypeSpecificOperands(command, map);
String host = map.getOne(NodeUtils.PARAM_NODEHOST);
command.add(host);
String firstErrorMessage = Strings.get("delete.node.ssh.uninstall.failed", node.getName(), host);
StringBuilder out = new StringBuilder();
int exitCode = execCommand(command, out);
//capture the output in server.log
logger.info(out.toString().trim());
ActionReport report = ctx.getActionReport();
if (exitCode == 0) {
// If it was successful say so and display the command output
String msg = Strings.get("delete.node.ssh.uninstall.success", host);
report.setMessage(msg);
res = true;
}
else {
report.setMessage(firstErrorMessage);
}
return res;
}
/**
* Invokes install-node using ProcessManager and returns the exit message/status.
* @param cmdLine list of args
* @param output contains output message
* @return exit status of uninstall-node
*/
private int execCommand(List cmdLine, StringBuilder output) {
int exit = -1;
List fullcommand = new ArrayList();
String installDir = nodes.getDefaultLocalNode().getInstallDirUnixStyle() + "/glassfish";
if (!StringUtils.ok(installDir)) {
throw new IllegalArgumentException(Strings.get("create.node.ssh.no.installdir"));
}
File asadmin = new File(SystemPropertyConstants.getAsAdminScriptLocation(installDir));
fullcommand.add(asadmin.getAbsolutePath());
//if password auth is used for deleting the node, use the same auth mechanism for
//uinstall-node as well. The passwords are passed directly through input stream
List pass = new ArrayList();
if (remotepassword != null) {
fullcommand.add("--passwordfile");
fullcommand.add("-");
pass = getPasswords();
}
fullcommand.add("--interactive=false");
fullcommand.addAll(cmdLine);
ProcessManager pm = new ProcessManager(fullcommand);
if (!pass.isEmpty())
pm.setStdinLines(pass);
if (logger.isLoggable(Level.INFO)) {
logger.info("Running command on DAS: " + commandListToString(fullcommand));
}
pm.setTimeoutMsec(DEFAULT_TIMEOUT_MSEC);
if (logger.isLoggable(Level.FINER))
pm.setEcho(true);
else
pm.setEcho(false);
try {
exit = pm.execute();
}
catch (ProcessManagerException ex) {
if (logger.isLoggable(Level.FINE)) {
logger.fine("Error while executing command: " + ex.getMessage());
}
exit = 1;
}
String stdout = pm.getStdout();
String stderr = pm.getStderr();
if (output != null) {
if (StringUtils.ok(stdout)) {
output.append(stdout);
}
if (StringUtils.ok(stderr)) {
if (output.length() > 0) {
output.append(NL);
}
output.append(stderr);
}
}
return exit;
}
private String commandListToString(List command) {
StringBuilder fullCommand = new StringBuilder();
for (String s : command) {
fullCommand.append(" ");
fullCommand.append(s);
}
return fullCommand.toString();
}
}
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