jlite.cli.JobCancel.java Source code

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Here is the source code for jlite.cli.JobCancel.java

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/*   
 * Copyright 2008-2010 Oleg Sukhoroslov
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *     http://www.apache.org/licenses/LICENSE-2.0
 *     
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package jlite.cli;

import java.util.ArrayList;
import java.util.List;

import jlite.GridAPIException;
import jlite.GridSession;
import jlite.GridSessionConfig;
import jlite.GridSessionFactory;
import jlite.util.Util;

import org.apache.commons.cli.CommandLine;
import org.apache.commons.cli.CommandLineParser;
import org.apache.commons.cli.GnuParser;
import org.apache.commons.cli.HelpFormatter;
import org.apache.commons.cli.OptionBuilder;
import org.apache.commons.cli.Options;
import org.apache.commons.cli.ParseException;

public class JobCancel {

    private static final String COMMAND = "job-cancel [options] <jobId> ...";

    public static void main(String[] args) {
        System.out.println(); // extra line
        CommandLineParser parser = new GnuParser();
        Options options = setupOptions();
        HelpFormatter helpFormatter = new HelpFormatter();
        helpFormatter.setSyntaxPrefix("Usage: ");
        CommandLine line = null;
        try {
            line = parser.parse(options, args);
            if (line.hasOption("help")) {
                helpFormatter.printHelp(100, COMMAND, "\noptions:", options, "\n" + CLI.FOOTER, false);
                System.out.println(); // extra line
                System.exit(0);
            } else {
                if (line.hasOption("xml")) {
                    System.out.println("<output>");
                }
                run(line.getArgs(), line);
            }
        } catch (ParseException e) {
            System.err.println(e.getMessage() + "\n");
            helpFormatter.printHelp(100, COMMAND, "\noptions:", options, "\n" + CLI.FOOTER, false);
            System.out.println(); // extra line
            System.exit(-1);
        } catch (Exception e) {
            if (line.hasOption("xml")) {
                System.out.println("<error>" + e.getMessage() + "</error>");
            } else {
                System.err.println(e.getMessage());
            }
        } finally {
            if (line.hasOption("xml")) {
                System.out.println("</output>");
            }
        }
        System.out.println(); // extra line
    }

    private static Options setupOptions() {
        Options options = new Options();

        options.addOption(OptionBuilder.withDescription("displays usage").create("help"));

        options.addOption(OptionBuilder.withArgName("file_path")
                .withDescription("select JobId(s) from the specified file").hasArg().create("i"));

        options.addOption(OptionBuilder.withArgName("service_URL").withDescription("WMProxy service endpoint")
                .hasArg().create("e"));

        options.addOption(OptionBuilder.withArgName("proxyfile")
                .withDescription("non-standard location of proxy cert").hasArg().create("proxypath"));

        options.addOption(OptionBuilder.withArgName("xml").withDescription("output as xml").create("xml"));

        return options;
    }

    private static void run(String[] jobIdArgs, CommandLine line) throws Exception {
        GridSessionConfig conf = new GridSessionConfig();

        if (line.hasOption("proxypath")) {
            conf.setProxyPath(line.getOptionValue("proxypath"));
        }

        GridSession grid = GridSessionFactory.create(conf);

        List<String> jobIds = new ArrayList<String>();
        ;
        if (jobIdArgs.length > 0) {
            for (String jobId : jobIdArgs) {
                jobIds.add(jobId);
            }
        }

        if (line.hasOption("i")) {
            for (String jobId : JobsSelector.select(line.getOptionValue("i"))) {
                jobIds.add(jobId);
            }
        }

        if (jobIds.size() == 0) {
            throw new Exception("JobId(s) not found");
        }

        String vo = Util.readVOFromVOMSProxy(conf.getProxyPath());
        if (line.hasOption("xml")) {
            System.out.println("<vo>" + vo + "</vo>");
        } else {
            System.out.println("Working VO: " + vo);
        }
        String wmProxyURL = conf.getWMProxies().get(vo);
        if (line.hasOption("e")) {
            wmProxyURL = line.getOptionValue("e");
        }
        if (wmProxyURL == null) {
            throw new GridAPIException("Could not find WMProxy server for VO: " + vo);
        }

        if (line.hasOption("xml")) {
            System.out.println("<wmProxy>" + wmProxyURL + "</wmProxy>");
        } else {
            System.out.println("Connecting to WMProxy service: " + wmProxyURL + "\n");
        }

        if (line.hasOption("xml")) {
            System.out.println("<cancelledJobs>");
        }
        for (String jobId : jobIds) {
            try {
                if (line.hasOption("xml")) {
                    System.out.println("<jobId>" + jobId + "</jobId>");
                } else {
                    System.out.println("Requesting cancellation of job: " + jobId);
                }
                grid.cancelJob(wmProxyURL, jobId);
                if (!line.hasOption("xml")) {
                    System.out.println("The cancellation request has been successfully submitted");
                }
            } catch (GridAPIException e) {
                if (line.hasOption("xml")) {
                    System.out.println("<error>" + e.getMessage() + "</error>");
                } else {
                    System.err.println(e.getMessage());
                    e.printStackTrace();
                }
            }
            if (jobIds.size() > 1) {
                System.out.println();
            }

        }

        if (line.hasOption("xml")) {
            System.out.println("</cancelledJobs>");
        }

    }

}