Examples with HelpFormatter org.apache.commons.cli.HelpFormatter used on opensource projects

Example 6 with HelpFormatter

use of org.apache.commons.cli.HelpFormatter in project hadoop by apache.

the class MiniDFSClusterManager method parseArguments.

/**
   * Parses arguments and fills out the member variables.
   * @param args Command-line arguments.
   * @return true on successful parse; false to indicate that the
   * program should exit.
   */
private boolean parseArguments(String[] args) {
    Options options = makeOptions();
    CommandLine cli;
    try {
        CommandLineParser parser = new GnuParser();
        cli = parser.parse(options, args);
    } catch (ParseException e) {
        LOG.warn("options parsing failed:  " + e.getMessage());
        new HelpFormatter().printHelp("...", options);
        return false;
    }
    if (cli.hasOption("help")) {
        new HelpFormatter().printHelp("...", options);
        return false;
    }
    if (cli.getArgs().length > 0) {
        for (String arg : cli.getArgs()) {
            LOG.error("Unrecognized option: " + arg);
            new HelpFormatter().printHelp("...", options);
            return false;
        }
    }
    // HDFS
    numDataNodes = intArgument(cli, "datanodes", 1);
    nameNodePort = intArgument(cli, "nnport", 0);
    nameNodeHttpPort = intArgument(cli, "httpport", 0);
    if (cli.hasOption("format")) {
        dfsOpts = StartupOption.FORMAT;
        format = true;
    } else {
        dfsOpts = StartupOption.REGULAR;
        format = false;
    }
    // Runner
    writeDetails = cli.getOptionValue("writeDetails");
    writeConfig = cli.getOptionValue("writeConfig");
    // General
    conf = new HdfsConfiguration();
    updateConfiguration(conf, cli.getOptionValues("D"));
    return true;
}

Example 7 with HelpFormatter

use of org.apache.commons.cli.HelpFormatter in project hadoop by apache.

the class JMXGet method printUsage.

/**
   * Print JMXGet usage information
   */
static void printUsage(Options opts) {
    HelpFormatter formatter = new HelpFormatter();
    formatter.printHelp("jmxget options are: ", opts);
}

Example 8 with HelpFormatter

use of org.apache.commons.cli.HelpFormatter in project hadoop by apache.

the class HadoopArchiveLogs method handleOpts.

private void handleOpts(String[] args) throws ParseException {
    Options opts = new Options();
    Option helpOpt = new Option(HELP_OPTION, false, "Prints this message");
    Option maxEligibleOpt = new Option(MAX_ELIGIBLE_APPS_OPTION, true, "The maximum number of eligible apps to process (default: " + DEFAULT_MAX_ELIGIBLE + " (all))");
    maxEligibleOpt.setArgName("n");
    Option minNumLogFilesOpt = new Option(MIN_NUM_LOG_FILES_OPTION, true, "The minimum number of log files required to be eligible (default: " + DEFAULT_MIN_NUM_LOG_FILES + ")");
    minNumLogFilesOpt.setArgName("n");
    Option maxTotalLogsSizeOpt = new Option(MAX_TOTAL_LOGS_SIZE_OPTION, true, "The maximum total logs size (in megabytes) required to be eligible" + " (default: " + DEFAULT_MAX_TOTAL_LOGS_SIZE + ")");
    maxTotalLogsSizeOpt.setArgName("megabytes");
    Option memoryOpt = new Option(MEMORY_OPTION, true, "The amount of memory (in megabytes) for each container (default: " + DEFAULT_MEMORY + ")");
    memoryOpt.setArgName("megabytes");
    Option verboseOpt = new Option(VERBOSE_OPTION, false, "Print more details.");
    Option forceOpt = new Option(FORCE_OPTION, false, "Force recreating the working directory if an existing one is found. " + "This should only be used if you know that another instance is " + "not currently running");
    Option noProxyOpt = new Option(NO_PROXY_OPTION, false, "When specified, all processing will be done as the user running this" + " command (or the Yarn user if DefaultContainerExecutor is in " + "use). When not specified, all processing will be done as the " + "user who owns that application; if the user running this command" + " is not allowed to impersonate that user, it will fail");
    opts.addOption(helpOpt);
    opts.addOption(maxEligibleOpt);
    opts.addOption(minNumLogFilesOpt);
    opts.addOption(maxTotalLogsSizeOpt);
    opts.addOption(memoryOpt);
    opts.addOption(verboseOpt);
    opts.addOption(forceOpt);
    opts.addOption(noProxyOpt);
    try {
        CommandLineParser parser = new GnuParser();
        CommandLine commandLine = parser.parse(opts, args);
        if (commandLine.hasOption(HELP_OPTION)) {
            HelpFormatter formatter = new HelpFormatter();
            formatter.printHelp("mapred archive-logs", opts);
            System.exit(0);
        }
        if (commandLine.hasOption(MAX_ELIGIBLE_APPS_OPTION)) {
            maxEligible = Integer.parseInt(commandLine.getOptionValue(MAX_ELIGIBLE_APPS_OPTION));
            if (maxEligible == 0) {
                LOG.info("Setting " + MAX_ELIGIBLE_APPS_OPTION + " to 0 accomplishes " + "nothing. Please either set it to a negative value " + "(default, all) or a more reasonable value.");
                System.exit(0);
            }
        }
        if (commandLine.hasOption(MIN_NUM_LOG_FILES_OPTION)) {
            minNumLogFiles = Integer.parseInt(commandLine.getOptionValue(MIN_NUM_LOG_FILES_OPTION));
        }
        if (commandLine.hasOption(MAX_TOTAL_LOGS_SIZE_OPTION)) {
            maxTotalLogsSize = Long.parseLong(commandLine.getOptionValue(MAX_TOTAL_LOGS_SIZE_OPTION));
            maxTotalLogsSize *= 1024L * 1024L;
        }
        if (commandLine.hasOption(MEMORY_OPTION)) {
            memory = Long.parseLong(commandLine.getOptionValue(MEMORY_OPTION));
        }
        if (commandLine.hasOption(VERBOSE_OPTION)) {
            verbose = true;
        }
        if (commandLine.hasOption(FORCE_OPTION)) {
            force = true;
        }
        if (commandLine.hasOption(NO_PROXY_OPTION)) {
            proxy = false;
        }
    } catch (ParseException pe) {
        HelpFormatter formatter = new HelpFormatter();
        formatter.printHelp("mapred archive-logs", opts);
        throw pe;
    }
}

Example 9 with HelpFormatter

use of org.apache.commons.cli.HelpFormatter in project hadoop by apache.

the class LogsCLI method printHelpMessage.

private void printHelpMessage(Options options) {
    outStream.println("Retrieve logs for YARN applications.");
    HelpFormatter formatter = new HelpFormatter();
    formatter.printHelp("yarn logs -applicationId <application ID> [OPTIONS]", new Options());
    formatter.setSyntaxPrefix("");
    formatter.printHelp("general options are:", options);
}

Example 10 with HelpFormatter

use of org.apache.commons.cli.HelpFormatter in project hadoop by apache.

the class HamletGen method main.

public static void main(String[] args) throws Exception {
    CommandLine cmd = new GnuParser().parse(opts, args);
    if (cmd.hasOption("help")) {
        new HelpFormatter().printHelp("Usage: hbgen [OPTIONS]", opts);
        return;
    }
    // defaults
    Class<?> specClass = HamletSpec.class;
    Class<?> implClass = HamletImpl.class;
    String outputClass = "HamletTmp";
    String outputPackage = implClass.getPackage().getName();
    if (cmd.hasOption("spec-class")) {
        specClass = Class.forName(cmd.getOptionValue("spec-class"));
    }
    if (cmd.hasOption("impl-class")) {
        implClass = Class.forName(cmd.getOptionValue("impl-class"));
    }
    if (cmd.hasOption("output-class")) {
        outputClass = cmd.getOptionValue("output-class");
    }
    if (cmd.hasOption("output-package")) {
        outputPackage = cmd.getOptionValue("output-package");
    }
    new HamletGen().generate(specClass, implClass, outputClass, outputPackage);
}