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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.jvnet.hk2.component.Habitat;
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 java.io.ByteArrayOutputStream;
public class NodeRunnerSsh {
private static final String NL = System.getProperty("line.separator");
private Habitat habitat;
private Logger logger;
private String lastCommandRun = null;
private int commandStatus;
private SSHLauncher sshL = null;
public NodeRunnerSsh(Habitat 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<String> args,
List<String> 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<String> fullcommand = new ArrayList<String>();
// We can just use "asadmin" even on Windows since the SSHD provider
// will locate the command (.exe or .bat) for us
fullcommand.add(installDir + "/bin/asadmin");
fullcommand.addAll(args);
try{
lastCommandRun = commandListToString(fullcommand);
trace("Running command on " + node.getNodeHost() + ": " +
lastCommandRun);
sshL=habitat.getComponent(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<String> command) {
StringBuilder fullCommand = new StringBuilder();
for (String s : command) {
fullCommand.append(" ");
fullCommand.append(s);
}
return fullCommand.toString();
}
}