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package com.sun.enterprise.admin.cli.optional;
import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Arrays;
import org.glassfish.api.Param;
import org.glassfish.api.admin.CommandException;
import org.glassfish.api.admin.CommandValidationException;
import org.glassfish.hk2.api.PerLookup;
import org.jvnet.hk2.annotations.Service;
import com.sun.enterprise.admin.cli.CLIProcessExecutor;
import com.sun.enterprise.universal.glassfish.GFLauncherUtils;
import com.sun.enterprise.universal.i18n.LocalStringsImpl;
import com.sun.enterprise.util.OS;
/**
* start-database command
* This command class will invoke DerbyControl to first ping
* if the database is running. If not then it will start
* the database. If the database is already started, then
* a message will be displayed to the user.
*
* @author <a href="mailto:jane.young@sun.com">Jane Young</a>
* @author Bill Shannon
*/
@Service(name = "start-database")
@PerLookup
public final class StartDatabaseCommand extends DatabaseCommand {
private final static String DATABASE_DIR_NAME = "databases";
@Param(name = "dbhome", optional = true)
private String dbHome;
@Param(name = "jvmoptions", optional = true, separator=' ')
private String[] jvmoptions;
private static final LocalStringsImpl strings =
new LocalStringsImpl(StartDatabaseCommand.class);
/**
* defines the command to start the derby database
* Note that when using Darwin (Mac), the property,
* "-Dderby.storage.fileSyncTransactionLog=True" is defined.
*/
public String[] startDatabaseCmd() {
ArrayList<String> cmd = new ArrayList<String>();
cmd.add(sJavaHome + File.separator + "bin" + File.separator + "java");
cmd.add("-Djava.library.path=" + sInstallRoot + File.separator + "lib");
if (OS.isDarwin()) {
cmd.add("-Dderby.storage.fileSyncTransactionLog=True");
}
cmd.add("-cp");
cmd.add(sClasspath + File.pathSeparator + sDatabaseClasspath);
if (jvmoptions != null) {
cmd.addAll(Arrays.asList(jvmoptions));
}
cmd.add("com.sun.enterprise.admin.cli.optional.DerbyControl");
cmd.add("start");
cmd.add(dbHost);
cmd.add(dbPort);
cmd.add("true");
cmd.add(dbHome);
return cmd.toArray(new String[cmd.size()]);
}
/**
* defines the command to print out the database sysinfo
* Note that when using Darwin (Mac), the property,
* "-Dderby.storage.fileSyncTransactionLog=True" is defined.
*/
public String[] sysinfoCmd() throws Exception {
if (OS.isDarwin()) {
return new String [] {
sJavaHome+File.separator+"bin"+File.separator+"java",
"-Djava.library.path="+sInstallRoot+File.separator+"lib",
"-Dderby.storage.fileSyncTransactionLog=True",
"-cp",
sClasspath + File.pathSeparator + sDatabaseClasspath,
"com.sun.enterprise.admin.cli.optional.DerbyControl",
"sysinfo",
dbHost, dbPort, "false"
};
} else {
return new String [] {
sJavaHome+File.separator+"bin"+File.separator+"java",
"-Djava.library.path="+sInstallRoot+File.separator+"lib",
"-cp",
sClasspath + File.pathSeparator + sDatabaseClasspath,
"com.sun.enterprise.admin.cli.optional.DerbyControl",
"sysinfo",
dbHost, dbPort, "false"
};
}
}
/**
* This method returns dbhome.
* If dbhome option is specified, then the option value is returned.
* If not, then go through series of conditions to determine the
* default dbhome directory.
* The conditions are as follow:
* 1. if derby.log exists in the current directory, then that is
* the default dbhome directory.
* 2. if derby.log does not exist in the current directory, then
* create a "databases" in <parent directory of domains>. This
* is usually <install-dir> in filebased installation. In
* package based installation this directory is /var/SUNWappserver.
*/
private String getDatabaseHomeDir() {
// dbhome is specified then return the dbhome option value
if (dbHome != null)
return dbHome;
// check if current directory contains derby.log
// for now we are going to rely on derby.log file to ascertain
// whether the current directory is where databases were created.
// However, this may not always be right.
// The reason for this behavior is so that it is
// compatible with 8.2PE and 9.0 release.
// In 8.2PE and 9.0, the current directory is the
// default dbhome.
final String currentDir = System.getProperty("user.dir");
if ((new File(currentDir, DerbyControl.DB_LOG_FILENAME)).exists())
return currentDir;
// the default dbhome is <AS_INSTALL>/databases
final File installPath = GFLauncherUtils.getInstallDir();
if (installPath != null) {
final File dbDir = new File(installPath, DATABASE_DIR_NAME);
if (!dbDir.isDirectory() && !dbDir.mkdir())
logger.warning(strings.get("CantCreateDatabaseDir", dbDir));
try {
return dbDir.getCanonicalPath();
} catch (IOException ioe) {
// if unable to get canonical path, then return absolute path
return dbDir.getAbsolutePath();
}
}
// hopefully it'll never get here. if installPath is null then
// asenv.conf is incorrect.
return null;
}
/**
* method that execute the command
* @throws CommandException
*/
@Override
protected int executeCommand()
throws CommandException, CommandValidationException {
final CLIProcessExecutor cpe = new CLIProcessExecutor();
String dbLog = "";
int exitCode = 0;
try {
prepareProcessExecutor();
dbHome = getDatabaseHomeDir();
if (dbHome != null)
dbLog = dbHome + File.separator + DerbyControl.DB_LOG_FILENAME;
logger.finer("Ping Database");
cpe.execute("pingDatabaseCmd", pingDatabaseCmd(true), true);
// if ping is unsuccesfull then database is not up and running
if (cpe.exitValue() > 0) {
logger.finer("Start Database");
cpe.execute("startDatabaseCmd", startDatabaseCmd(), false);
if (cpe.exitValue() != 0) {
throw new CommandException(strings.get("UnableToStartDatabase", dbLog));
}
} else if (cpe.exitValue() < 0) {
// Something terribly wrong!
throw new CommandException(strings.get("CommandUnSuccessful", name));
} else {
// database already started
logger.info(strings.get("StartDatabaseStatus", dbHost, dbPort));
}
} catch (IllegalThreadStateException ite) {
// IllegalThreadStateException is thrown if the
// process has not yet teminated and is still running.
// see http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Process.html#exitValue()
// This is good since that means the database is up and running.
CLIProcessExecutor cpePing = new CLIProcessExecutor();
CLIProcessExecutor cpeSysInfo = new CLIProcessExecutor();
try {
if (!programOpts.isTerse()) {
// try getting sysinfo
logger.fine(strings.get("database.info.msg", dbHost, dbPort));
}
cpePing.execute("pingDatabaseCmd", pingDatabaseCmd(true), true);
int counter = 0;
//give time for the database to be started
while (cpePing.exitValue() != 0 && counter < 10) {
cpePing.execute("pingDatabaseCmd", pingDatabaseCmd(true), true);
Thread.sleep(500);
counter++;
//break out if start-database failed
try {
cpe.exitValue();
break;
} catch (IllegalThreadStateException itse) {
continue;
}
}
if (!programOpts.isTerse()) {
logger.finer("Database SysInfo");
if (cpePing.exitValue() == 0) {
cpeSysInfo.execute("sysinfoCmd", sysinfoCmd(), true);
if (cpeSysInfo.exitValue() != 0) {
logger.info(strings.get("CouldNotGetSysInfo"));
}
}
}
} catch (Exception e) {
throw new CommandException(strings.get("CommandUnSuccessful", name), e);
}
if (cpePing.exitValue() == 0) {
logger.info(strings.get("DatabaseStartMsg"));
if ((new File(dbLog)).canWrite()) {
logger.info(strings.get("LogRedirectedTo", dbLog));
}
} else {
throw new CommandException(strings.get("UnableToStartDatabase", dbLog));
}
} catch (Exception e) {
throw new CommandException(strings.get("CommandUnSuccessful", name), e);
}
return exitCode;
}
}