/**
* @param argv The parameters passed to this program.
* @exception Exception if the filesystem does not exist.
* @return 0 on success, non zero on error.
*/
@Override
public int run(String[] argv) throws Exception {
if (argv.length < 1) {
printUsage("");
return -1;
}
int exitCode = -1;
int i = 0;
String cmd = argv[i++];
//
// verify that we have enough command line parameters
//
if ("-safemode".equals(cmd)) {
if (argv.length != 2) {
printUsage(cmd);
return exitCode;
}
} else if ("-report".equals(cmd)) {
if (argv.length != 1) {
printUsage(cmd);
return exitCode;
}
} else if ("-saveNamespace".equals(cmd)) {
if (argv.length != 1) {
printUsage(cmd);
return exitCode;
}
} else if ("-refreshNodes".equals(cmd)) {
if (argv.length != 1) {
printUsage(cmd);
return exitCode;
}
} else if ("-finalizeUpgrade".equals(cmd)) {
if (argv.length != 1) {
printUsage(cmd);
return exitCode;
}
} else if ("-upgradeProgress".equals(cmd)) {
if (argv.length != 2) {
printUsage(cmd);
return exitCode;
}
} else if ("-metasave".equals(cmd)) {
if (argv.length != 2) {
printUsage(cmd);
return exitCode;
}
} else if ("-refreshServiceAcl".equals(cmd)) {
if (argv.length != 1) {
printUsage(cmd);
return exitCode;
}
}
// initialize DFSAdmin
try {
init();
} catch (RPC.VersionMismatch v) {
System.err.println("Version Mismatch between client and server" + "... command aborted.");
return exitCode;
} catch (IOException e) {
System.err.println("Bad connection to DFS... command aborted.");
return exitCode;
}
exitCode = 0;
try {
if ("-report".equals(cmd)) {
report();
} else if ("-safemode".equals(cmd)) {
setSafeMode(argv, i);
} else if ("-saveNamespace".equals(cmd)) {
exitCode = saveNamespace();
} else if ("-refreshNodes".equals(cmd)) {
exitCode = refreshNodes();
} else if ("-finalizeUpgrade".equals(cmd)) {
exitCode = finalizeUpgrade();
} else if ("-upgradeProgress".equals(cmd)) {
exitCode = upgradeProgress(argv, i);
} else if ("-metasave".equals(cmd)) {
exitCode = metaSave(argv, i);
} else if (ClearQuotaCommand.matches(cmd)) {
exitCode = new ClearQuotaCommand(argv, i, fs).runAll();
} else if (SetQuotaCommand.matches(cmd)) {
exitCode = new SetQuotaCommand(argv, i, fs).runAll();
} else if (ClearSpaceQuotaCommand.matches(cmd)) {
exitCode = new ClearSpaceQuotaCommand(argv, i, fs).runAll();
} else if (SetSpaceQuotaCommand.matches(cmd)) {
exitCode = new SetSpaceQuotaCommand(argv, i, fs).runAll();
} else if ("-refreshServiceAcl".equals(cmd)) {
exitCode = refreshServiceAcl();
} else if ("-help".equals(cmd)) {
if (i < argv.length) {
printHelp(argv[i]);
} else {
printHelp("");
}
} else {
exitCode = -1;
System.err.println(cmd.substring(1) + ": Unknown command");
printUsage("");
}
} catch (IllegalArgumentException arge) {
exitCode = -1;
System.err.println(cmd.substring(1) + ": " + arge.getLocalizedMessage());
printUsage(cmd);
} catch (RemoteException e) {
//
// This is a error returned by hadoop server. Print
// out the first line of the error mesage, ignore the stack trace.
exitCode = -1;
try {
String[] content;
content = e.getLocalizedMessage().split("\n");
System.err.println(cmd.substring(1) + ": " + content[0]);
} catch (Exception ex) {
System.err.println(cmd.substring(1) + ": " + ex.getLocalizedMessage());
}
} catch (Exception e) {
exitCode = -1;
System.err.println(cmd.substring(1) + ": " + e.getLocalizedMessage());
}
return exitCode;
}
