| <%! |
| /** |
| * 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. |
| */ |
| %> |
| <%@ page |
| contentType="text/html; charset=UTF-8" |
| import="java.io.*" |
| import="java.net.*" |
| import="java.util.*" |
| import="org.apache.hadoop.mapred.*" |
| import="org.apache.hadoop.util.*" |
| import="org.apache.hadoop.net.*" |
| import="org.apache.hadoop.fs.*" |
| import="javax.servlet.jsp.*" |
| import="java.text.SimpleDateFormat" |
| import="org.apache.hadoop.http.HtmlQuoting" |
| import="org.apache.hadoop.mapred.*" |
| %> |
| <% |
| JobConf jobConf = (JobConf) application.getAttribute("jobConf"); |
| String trackerUrl; |
| String trackerName; |
| |
| String trackerAddress = jobConf.get("mapred.job.tracker.http.address"); |
| InetSocketAddress infoSocAddr = NetUtils.createSocketAddr(trackerAddress); |
| if (JobHistoryServer.isEmbedded(jobConf)) { |
| trackerName = StringUtils.simpleHostname(InetAddress. |
| getLocalHost().getCanonicalHostName()); |
| trackerName = StringUtils.getHostname(); |
| trackerUrl = ""; |
| } else { |
| trackerUrl = "http://" + trackerAddress; |
| trackerName = StringUtils.simpleHostname(infoSocAddr.getHostName()); |
| } |
| %> |
| <%! |
| private static SimpleDateFormat dateFormat = |
| new SimpleDateFormat("d/MM HH:mm:ss"); |
| %> |
| <%! private static final long serialVersionUID = 1L; |
| %> |
| <!DOCTYPE html> |
| <html> |
| <head> |
| <script type="text/JavaScript"> |
| <!-- |
| function showUserHistory(search) |
| { |
| var url |
| if (search == null || "".equals(search)) { |
| url="legacyjobhistory.jsp"; |
| } else { |
| url="legacyjobhistory.jsp?pageno=1&search=" + search; |
| } |
| window.location.href = url; |
| } |
| //--> |
| </script> |
| <link rel="stylesheet" type="text/css" href="/static/hadoop.css"> |
| <title><%= trackerName %> Hadoop Map/Reduce History Viewer</title> |
| <link rel="stylesheet" type="text/css" href="/static/hadoop.css"> |
| </head> |
| <body> |
| <h1> <a href="<%=trackerUrl%>/jobtracker.jsp"><%= trackerName %></a> Hadoop Map/Reduce |
| <a href="jobhistoryhome.jsp">History Viewer</a></h1> |
| <hr> |
| <% |
| final String search = (request.getParameter("search") == null) |
| ? "" |
| : request.getParameter("search"); |
| |
| String parts[] = search.split(":"); |
| |
| final String user = (parts.length >= 1) |
| ? parts[0].toLowerCase() |
| : ""; |
| final String jobname = (parts.length >= 2) |
| ? parts[1].toLowerCase() |
| : ""; |
| PathFilter jobLogFileFilter = new PathFilter() { |
| // unquote params before encoding for search |
| final String uqUser = JobHistory.JobInfo.encodeJobHistoryFileName( |
| HtmlQuoting.unquoteHtmlChars(user)); |
| final String uqJobname = JobHistory.JobInfo.encodeJobHistoryFileName( |
| HtmlQuoting.unquoteHtmlChars(jobname)); |
| private boolean matchUser(String fileName) { |
| // return true if |
| // - user is not specified |
| // - user matches |
| return "".equals(uqUser) || uqUser.equals(fileName.split("_")[5]); |
| } |
| |
| private boolean matchJobName(String fileName) { |
| // return true if |
| // - jobname is not specified |
| // - jobname contains the keyword |
| return "".equals(uqJobname) || fileName.split("_")[6].toLowerCase().contains(uqJobname); |
| } |
| |
| public boolean accept(Path path) { |
| return !(path.getName().endsWith(".xml")) && matchUser(path.getName()) && matchJobName(path.getName()); |
| } |
| }; |
| |
| FileSystem fs = (FileSystem) application.getAttribute("fileSys"); |
| String historyLogDir = (String) application.getAttribute("historyLogDir"); |
| if (fs == null) { |
| out.println("Null file system. May be namenode is in safemode!"); |
| return; |
| } |
| |
| Path[] jobFiles |
| = JobHistory.filteredStat2Paths(fs.listStatus(new Path(historyLogDir), |
| jobLogFileFilter), |
| false, null); |
| |
| out.println("<!-- user : " + user + |
| ", jobname : " + jobname + "-->"); |
| if (null == jobFiles || jobFiles.length == 0) { |
| out.println("No files found!"); |
| return ; |
| } |
| |
| // get the pageno |
| int pageno = request.getParameter("pageno") == null |
| ? 1 |
| : Integer.parseInt(request.getParameter("pageno")); |
| |
| // get the total number of files to display |
| int size = 100; |
| |
| // if show-all is requested or jobfiles < size(100) |
| if (pageno == -1 || size > jobFiles.length) { |
| size = jobFiles.length; |
| } |
| |
| if (pageno == -1) { // special case 'show all' |
| pageno = 1; |
| } |
| |
| int maxPageNo = (int)Math.ceil((float)jobFiles.length / size); |
| |
| // check and fix pageno |
| if (pageno < 1 || pageno > maxPageNo) { |
| out.println("Invalid page index"); |
| return ; |
| } |
| |
| int length = size ; // determine the length of job history files to be displayed |
| if (pageno == maxPageNo) { |
| // find the number of files to be shown on the last page |
| int startOnLast = ((pageno - 1) * size) + 1; |
| length = jobFiles.length - startOnLast + 1; |
| } |
| |
| // Display the search box |
| out.println("<form name=search><b> Filter (username:jobname) </b>"); // heading |
| out.println("<input type=text name=search size=\"20\" value=\"" + search + "\">"); // search box |
| out.println("<input type=submit value=\"Filter!\" onClick=\"showUserHistory(document.getElementById('search').value)\"></form>"); |
| out.println("<span class=\"small\">Example: 'smith' will display jobs either submitted by user 'smith'. 'smith:sort' will display jobs from user 'smith' having 'sort' keyword in the jobname.</span>"); // example |
| out.println("<hr>"); |
| |
| //Show the status |
| int start = (pageno - 1) * size + 1; |
| |
| // DEBUG |
| out.println("<!-- pageno : " + pageno + ", size : " + size + ", length : " + length + ", start : " + start + ", maxpg : " + maxPageNo + "-->"); |
| |
| out.println("<font size=5><b>Available Jobs in History </b></font>"); |
| // display the number of jobs, start index, end index |
| out.println("(<i> <span class=\"small\">Displaying <b>" + length + "</b> jobs from <b>" + start + "</b> to <b>" + (start + length - 1) + "</b> out of <b>" + jobFiles.length + "</b> jobs"); |
| if (!"".equals(user)) { |
| // show the user if present |
| out.println(" for user <b>" + user + "</b>"); |
| } |
| if (!"".equals(jobname)) { |
| out.println(" with jobname having the keyword <b>" + |
| jobname + "</b> in it."); // show the jobname keyword if present |
| } |
| out.print("</span></i>)"); |
| |
| // show the 'show-all' link |
| out.println(" [<span class=\"small\"><a href=\"legacyjobhistory.jsp?pageno=-1&search=" + search + "\">show all</a></span>]"); |
| |
| // show the 'first-page' link |
| if (pageno > 1) { |
| out.println(" [<span class=\"small\"><a href=\"legacyjobhistory.jsp?pageno=1&search=" + search + "\">first page</a></span>]"); |
| } else { |
| out.println("[<span class=\"small\">first page]</span>"); |
| } |
| |
| // show the 'last-page' link |
| if (pageno < maxPageNo) { |
| out.println(" [<span class=\"small\"><a href=\"legacyjobhistory.jsp?pageno=" + maxPageNo + "&search=" + search + "\">last page</a></span>]"); |
| } else { |
| out.println("<span class=\"small\">[last page]</span>"); |
| } |
| |
| // sort the files on creation time. |
| Arrays.sort(jobFiles, new Comparator<Path>() { |
| public int compare(Path p1, Path p2) { |
| String dp1 = null; |
| String dp2 = null; |
| |
| try { |
| dp1 = JobHistory.JobInfo.decodeJobHistoryFileName(p1.getName()); |
| dp2 = JobHistory.JobInfo.decodeJobHistoryFileName(p2.getName()); |
| } catch (IOException ioe) { |
| throw new RuntimeException(ioe); |
| } |
| |
| String[] split1 = dp1.split("_"); |
| String[] split2 = dp2.split("_"); |
| |
| // compare job tracker start time |
| int res = new Date(Long.parseLong(split1[1])).compareTo( |
| new Date(Long.parseLong(split2[1]))); |
| if (res == 0) { |
| res = new Date(Long.parseLong(split1[3])).compareTo( |
| new Date(Long.parseLong(split2[3]))); |
| } |
| if (res == 0) { |
| Long l1 = Long.parseLong(split1[4]); |
| res = l1.compareTo(Long.parseLong(split2[4])); |
| } |
| return res; |
| } |
| }); |
| |
| out.println("<br><br>"); |
| |
| // print the navigation info (top) |
| printNavigation(pageno, size, maxPageNo, search, out); |
| |
| out.print("<table align=center border=2 cellpadding=\"5\" cellspacing=\"2\">"); |
| out.print("<tr>"); |
| out.print("<td>Job tracker Host Name</td>" + |
| "<td>Job tracker Start time</td>" + |
| "<td>Job Id</td><td>Name</td><td>User</td>") ; |
| out.print("</tr>"); |
| |
| Set<String> displayedJobs = new HashSet<String>(); |
| for (int i = start - 1; i < start + length - 1; ++i) { |
| Path jobFile = jobFiles[i]; |
| |
| String decodedJobFileName = |
| JobHistory.JobInfo.decodeJobHistoryFileName(jobFile.getName()); |
| |
| String[] jobDetails = decodedJobFileName.split("_"); |
| String trackerHostName = jobDetails[0]; |
| String trackerStartTime = jobDetails[1]; |
| String jobId = jobDetails[2] + "_" +jobDetails[3] + "_" + jobDetails[4] ; |
| String userName = jobDetails[5]; |
| String jobName = jobDetails[6]; |
| |
| // Check if the job is already displayed. There can be multiple job |
| // history files for jobs that have restarted |
| if (displayedJobs.contains(jobId)) { |
| continue; |
| } else { |
| displayedJobs.add(jobId); |
| } |
| |
| // Encode the logfile name again to cancel the decoding done by the browser |
| String encodedJobFileName = |
| JobHistory.JobInfo.encodeJobHistoryFileName(jobFile.getName()); |
| %> |
| <center> |
| <% |
| printJob(trackerHostName, trackerStartTime, jobId, |
| jobName, userName, new Path(jobFile.getParent(), encodedJobFileName), |
| out) ; |
| %> |
| </center> |
| <% |
| } // end while trackers |
| out.print("</table>"); |
| |
| // show the navigation info (bottom) |
| printNavigation(pageno, size, maxPageNo, search, out); |
| %> |
| <%! |
| private void printJob(String trackerHostName, String trackerid, |
| String jobId, String jobName, |
| String user, Path logFile, JspWriter out) |
| throws IOException { |
| out.print("<tr>"); |
| out.print("<td>" + trackerHostName + "</td>"); |
| out.print("<td>" + new Date(Long.parseLong(trackerid)) + "</td>"); |
| out.print("<td>" + "<a href=\"jobdetailshistory.jsp?logFile=" |
| + logFile.toString() + "\">" + jobId + "</a></td>"); |
| out.print("<td>" + HtmlQuoting.quoteHtmlChars(jobName) + "</td>"); |
| out.print("<td>" + HtmlQuoting.quoteHtmlChars(user) + "</td>"); |
| out.print("</tr>"); |
| } |
| |
| private void printNavigation(int pageno, int size, int max, String search, |
| JspWriter out) throws IOException { |
| int numIndexToShow = 5; // num indexes to show on either side |
| |
| //TODO check this on boundary cases |
| out.print("<center> <"); |
| |
| // show previous link |
| if (pageno > 1) { |
| out.println("<a href=\"legacyjobhistory.jsp?pageno=" + (pageno - 1) + |
| "&search=" + search + "\">Previous</a>"); |
| } |
| |
| // display the numbered index 1 2 3 4 |
| int firstPage = pageno - numIndexToShow; |
| if (firstPage < 1) { |
| firstPage = 1; // boundary condition |
| } |
| |
| int lastPage = pageno + numIndexToShow; |
| if (lastPage > max) { |
| lastPage = max; // boundary condition |
| } |
| |
| // debug |
| out.println("<!--DEBUG : firstPage : " + firstPage + ", lastPage : " + lastPage + " -->"); |
| |
| for (int i = firstPage; i <= lastPage; ++i) { |
| if (i != pageno) {// needs hyperlink |
| out.println(" <a href=\"legacyjobhistory.jsp?pageno=" + i + "&search=" + |
| search + "\">" + i + "</a> "); |
| } else { // current page |
| out.println(i); |
| } |
| } |
| |
| // show the next link |
| if (pageno < max) { |
| out.println("<a href=\"legacyjobhistory.jsp?pageno=" + (pageno + 1) + "&search=" + search + "\">Next</a>"); |
| } |
| out.print("></center>"); |
| } |
| %> |
| </body></html> |