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package org.glassfish.cluster.ssh.connect;
import com.sun.enterprise.util.cluster.Paths;
import com.sun.enterprise.util.cluster.windows.process.WindowsRemoteAsadmin;
import com.sun.enterprise.util.cluster.windows.io.WindowsRemoteFile;
import java.io.*;
import java.net.*;
import java.util.*;
import java.util.logging.*;
import com.sun.enterprise.config.serverbeans.SshAuth;
import com.sun.enterprise.config.serverbeans.SshConnector;
import com.sun.enterprise.util.cluster.windows.process.WindowsCredentials;
import com.sun.enterprise.util.cluster.windows.process.WindowsException;
import com.sun.enterprise.util.cluster.windows.process.WindowsRemoteScripter;
import org.glassfish.api.admin.SSHCommandExecutionException;
import com.sun.enterprise.config.serverbeans.Node;
import com.sun.enterprise.util.StringUtils;
import com.sun.enterprise.util.SystemPropertyConstants;
import com.sun.enterprise.util.cluster.windows.io.WindowsRemoteFileSystem;
import org.glassfish.cluster.ssh.util.DcomInfo;
import org.glassfish.cluster.ssh.util.DcomUtils;
import org.glassfish.common.util.admin.AsadminInput;
import static com.sun.enterprise.util.StringUtils.ok;
public class NodeRunnerDcom {
private final Logger logger;
private Node node;
private WindowsRemoteFile authTokenFile;
private String authTokenFilePath;
private DcomInfo dcomInfo;
public NodeRunnerDcom(Logger logger) {
this.logger = logger;
}
/*
* return 0 is success, otherwise failure
*/
public final int runAdminCommandOnRemoteNode(Node thisNode, StringBuilder output,
List<String> args,
List<String> stdinLines) throws
SSHCommandExecutionException, IllegalArgumentException,
UnsupportedOperationException {
String humanreadable = null;
try {
this.node = thisNode;
dcomInfo = new DcomInfo(node);
List<String> fullcommand = new ArrayList<String>();
WindowsRemoteAsadmin asadmin = dcomInfo.getAsadmin();
if (stdinLines != null && !stdinLines.isEmpty())
setupAuthTokenFile(fullcommand, stdinLines);
fullcommand.addAll(args);
humanreadable = dcomInfo.getNadminPath() + " " + commandListToString(fullcommand);
// This is where the rubber meets the road...
String out = asadmin.run(fullcommand);
output.append(out);
logger.info(Strings.get("remote.command.summary", humanreadable, out));
return determineStatus(args);
}
catch (WindowsException ex) {
throw new SSHCommandExecutionException(Strings.get(
"remote.command.error", ex.getMessage(), humanreadable), ex);
}
finally {
teardownAuthTokenFile();
}
}
private void trace(String s) {
logger.fine(String.format("%s: %s", this.getClass().getSimpleName(), s));
}
private static String commandListToString(List<String> command) {
StringBuilder fullCommand = new StringBuilder();
for (String s : command) {
fullCommand.append(" ");
fullCommand.append(s);
}
return fullCommand.toString();
}
/*
* BE CAREFUL -- Don't introduce "Distributed Concurrency Bugs"
* e.g. you have to make sure the filename is unique.
* 1. create a remote file
* 2. copy the token/auth stuff into it
* 3. add the correct args to the remote commandline
* Put the file in the same directory that nadmin lives in (lib)
*/
private void setupAuthTokenFile(List<String> cmd, List<String> stdin) throws WindowsException {
WindowsRemoteFileSystem wrfs = new WindowsRemoteFileSystem(dcomInfo.getCredentials());
authTokenFilePath = dcomInfo.getNadminParentPath() + "\\token_" + System.nanoTime() + new Random().nextInt(1000);
authTokenFilePath = createUniqueFilename(dcomInfo.getNadminParentPath());
authTokenFile = new WindowsRemoteFile(wrfs, authTokenFilePath);
authTokenFile.copyFrom(stdin);
cmd.add(AsadminInput.CLI_INPUT_OPTION);
cmd.add(authTokenFilePath);
}
private void teardownAuthTokenFile() {
if (authTokenFile != null)
try {
authTokenFile.delete();
}
catch (WindowsException ex) {
logger.warning(Strings.get("cant.delete", dcomInfo.getHost(), authTokenFilePath));
}
}
private String createUniqueFilename(String path) {
String random = "" + System.nanoTime();
// just use the last 16 numbers
if(random.length() > 16)
random = random.substring(random.length() - 16);
random += "" + new Random(System.currentTimeMillis()).nextInt(10000);
return path + "\\DELETE_ME_" + random;
}
/* hack TODO do not know how to get int status back from Windows
* Stick in code that handles particular commands that we can figure out
* the status.
*/
private int determineStatus(List<String> args) {
if (args == null)
throw new NullPointerException();
if (args.size() < 2)
return 0;
String instanceName = args.get(args.size() - 1);
if (isCommand(args, "_delete-instance-filesystem")) {
try {
String dir = Paths.getInstanceDirPath(node, instanceName);
WindowsRemoteFile instanceDir = new WindowsRemoteFile(dcomInfo.getCredentials(), dir);
return instanceDir.exists() ? 1 : 0;
}
catch (WindowsException ex) {
return 0;
}
}
else if (isCommand(args, "_create-instance-filesystem")) {
try {
String dir = Paths.getDasPropsPath(node);
WindowsRemoteFile dasProps = new WindowsRemoteFile(dcomInfo.getCredentials(), dir);
if (dasProps.exists())
return 0;
// uh-oh. Wipe out the instance directory that was created
dir = Paths.getInstanceDirPath(node, instanceName);
WindowsRemoteFile instanceDir = new WindowsRemoteFile(dcomInfo.getCredentials(), dir);
instanceDir.delete();
return 1;
}
catch (WindowsException ex) {
return 1;
}
}
return 0;
}
private boolean isCommand(List<String> args, final String cmd) {
if (!ok(cmd))
return false;
for (String arg : args)
if (arg != null && arg.equals(cmd))
return true;
return false;
}
}