/*
* Copyright 2010 LinkedIn, Inc
*
* 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 azkaban.web.pages;
import java.io.IOException;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.log4j.Logger;
import org.json.simple.JSONObject;
import azkaban.app.AzkabanApplication;
import azkaban.app.JobDescriptor;
import azkaban.app.JobManager;
import azkaban.web.AbstractAzkabanServlet;
import azkaban.common.utils.Props;
import azkaban.common.web.Page;
import azkaban.jobs.JobExecution;
/**
* Show the details of a job
*
* @author jkreps
*
*/
public class JobDetailServlet extends AbstractAzkabanServlet {
private static final long serialVersionUID = 1;
private static final Logger logger = Logger.getLogger(JobDetailServlet.class);
@Override
protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException,
IOException {
AzkabanApplication app = getApplication();
String jobId = req.getParameter("id");
JobManager jobManager = app.getJobManager();
Map<String, JobDescriptor> descriptors = jobManager.loadJobDescriptors();
boolean isEditing = req.getParameter("edit") != null;
if(jobId == null) {
Page page = newPage(req, resp, "azkaban/web/pages/edit_job.vm");
page.add("jsonData", getJSONText(new Props()));
page.render();
} else if(isEditing) {
Page page = newPage(req, resp, "azkaban/web/pages/edit_job.vm");
JobDescriptor jdesc = descriptors.get(jobId);
page.add("job", jdesc);
page.add("jsonData", getJSONText(jdesc.getProps()));
page.render();
} else {
Page page = newPage(req, resp, "azkaban/web/pages/job_detail.vm");
JobDescriptor jdesc = descriptors.get(jobId);
page.add("job", jdesc);
page.add("descriptors", descriptors);
page.add("jsonData", getJSONText(jdesc.getProps()));
if (req.getParameter("logs") != null) {
page.add("tab", "logs");
}
List<JobExecution> execs = jobManager.loadJobExecutions(jobId);
int successes = 0;
for(JobExecution exec: execs)
if(exec.isSucceeded())
successes++;
page.add("executions", execs);
page.add("successful_executions", successes);
page.render();
}
}
@SuppressWarnings("unchecked")
@Override
protected void doPost(HttpServletRequest req, HttpServletResponse resp)
throws ServletException, IOException {
AzkabanApplication app = getApplication();
JobManager jobManager = app.getJobManager();
String jobName = req.getParameter("job_name");
String jobPath = req.getParameter("job_path");
Map<String, String> props = new HashMap<String, String>();
for(int i = 0;; i++) {
String key = req.getParameter("key" + i);
String val = req.getParameter("val" + i);
if(key == null || val == null)
break;
if(key.length() > 0)
props.put(key, val);
}
try {
jobManager.deployJob(jobName, jobPath, new Props(null, props));
addMessage(req, jobName + " has been deployed to " + jobPath);
resp.sendRedirect(req.getContextPath() + "/job?id=" + jobName);
} catch(Exception e) {
logger.error("Failed to deploy job.", e);
addError(req, "Failed to deploy job: " + e.getMessage());
resp.sendRedirect(req.getContextPath() + "/job?id=" + jobName + "&edit");
}
}
@SuppressWarnings("unchecked")
private String getJSONText(Props prop) {
JSONObject jsonObj = new JSONObject();
for( String key : prop.localKeySet() ) {
Object value = prop.get(key);
jsonObj.put(key, value);
}
return jsonObj.toJSONString();
}
}