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/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) 2010-2012 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:
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* 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
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*/
package org.glassfish.cluster.ssh.connect;
import java.io.IOException;
import java.util.List;
import java.util.ArrayList;
import java.util.logging.Logger;
import org.glassfish.common.util.admin.AsadminInput;
import org.glassfish.api.admin.SSHCommandExecutionException;
import com.sun.enterprise.config.serverbeans.Node;
import com.sun.enterprise.util.SystemPropertyConstants;
import com.sun.enterprise.util.StringUtils;
import org.glassfish.cluster.ssh.launcher.SSHLauncher;
import org.glassfish.hk2.api.ServiceLocator;
import java.io.ByteArrayOutputStream;
public class NodeRunnerSsh {
private static final String NL = System.getProperty("line.separator");
private ServiceLocator habitat;
private Logger logger;
private String lastCommandRun = null;
private int commandStatus;
private SSHLauncher sshL = null;
public NodeRunnerSsh(ServiceLocator habitat, Logger logger) {
this.logger = logger;
this.habitat = habitat;
}
public boolean isSshNode(Node node) {
if (node == null) {
throw new IllegalArgumentException("Node is null");
}
if (node.getType() ==null)
return false;
return node.getType().equals("SSH");
}
String getLastCommandRun() {
return lastCommandRun;
}
public int runAdminCommandOnRemoteNode(Node node, StringBuilder output,
List args,
List stdinLines) throws
SSHCommandExecutionException, IllegalArgumentException,
UnsupportedOperationException {
args.add(0, AsadminInput.CLI_INPUT_OPTION);
args.add(1, AsadminInput.SYSTEM_IN_INDICATOR); // specified to read from System.in
if (! isSshNode(node)) {
throw new UnsupportedOperationException(
"Node is not of type SSH");
}
String installDir = node.getInstallDirUnixStyle() + "/" +
SystemPropertyConstants.getComponentName();
if (!StringUtils.ok(installDir)) {
throw new IllegalArgumentException("Node does not have an installDir");
}
List fullcommand = new ArrayList();
// We can just use "nadmin" even on Windows since the SSHD provider
// will locate the command (.exe or .bat) for us
fullcommand.add(installDir + "/lib/nadmin");
fullcommand.addAll(args);
try{
lastCommandRun = commandListToString(fullcommand);
trace("Running command on " + node.getNodeHost() + ": " +
lastCommandRun);
sshL=habitat.getService(SSHLauncher.class);
sshL.init(node, logger);
ByteArrayOutputStream outStream = new ByteArrayOutputStream();
commandStatus = sshL.runCommand(fullcommand, outStream, stdinLines);
output.append(outStream.toString());
return commandStatus;
}catch (IOException ex) {
String m1 = " Command execution failed. " +ex.getMessage();
String m2 = "";
Throwable e2 = ex.getCause();
if(e2 != null) {
m2 = e2.getMessage();
}
logger.severe("Command execution failed for "+ lastCommandRun);
SSHCommandExecutionException cee = new SSHCommandExecutionException(StringUtils.cat(":",
m1, m2));
cee.setSSHSettings(sshL.toString());
cee.setCommandRun(lastCommandRun);
throw cee;
} catch (java.lang.InterruptedException ei){
ei.printStackTrace();
String m1 = ei.getMessage();
String m2 = "";
Throwable e2 = ei.getCause();
if(e2 != null) {
m2 = e2.getMessage();
}
logger.severe("Command interrupted "+ lastCommandRun);
SSHCommandExecutionException cee = new SSHCommandExecutionException(StringUtils.cat(":",
m1, m2));
cee.setSSHSettings(sshL.toString());
cee.setCommandRun(lastCommandRun);
throw cee;
}
}
private void trace(String s) {
logger.fine(String.format("%s: %s", this.getClass().getSimpleName(), s));
}
private String commandListToString(List command) {
StringBuilder fullCommand = new StringBuilder();
for (String s : command) {
fullCommand.append(" ");
fullCommand.append(s);
}
return fullCommand.toString();
}
}