/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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 org.apache.hadoop.mapreduce.v2.app.webapp;
import static org.apache.hadoop.yarn.util.StringHelper.percent;
import static org.apache.hadoop.yarn.webapp.view.JQueryUI.ACCORDION;
import static org.apache.hadoop.yarn.webapp.view.JQueryUI.DATATABLES;
import static org.apache.hadoop.yarn.webapp.view.JQueryUI.DATATABLES_ID;
import static org.apache.hadoop.yarn.webapp.view.JQueryUI.initID;
import static org.apache.hadoop.yarn.webapp.view.JQueryUI.tableInit;
import java.util.Collection;
import org.apache.hadoop.mapreduce.v2.app.job.TaskAttempt;
import org.apache.hadoop.mapreduce.v2.app.webapp.dao.TaskAttemptInfo;
import org.apache.hadoop.util.StringUtils;
import org.apache.hadoop.yarn.api.records.ContainerId;
import org.apache.hadoop.yarn.util.Times;
import org.apache.hadoop.yarn.webapp.SubView;
import org.apache.hadoop.yarn.webapp.hamlet.Hamlet;
import org.apache.hadoop.yarn.webapp.hamlet.Hamlet.TABLE;
import org.apache.hadoop.yarn.webapp.hamlet.Hamlet.TBODY;
import org.apache.hadoop.yarn.webapp.hamlet.Hamlet.TD;
import org.apache.hadoop.yarn.webapp.hamlet.Hamlet.TR;
import org.apache.hadoop.yarn.webapp.view.HtmlBlock;
import com.google.inject.Inject;
public class TaskPage extends AppView {
static class AttemptsBlock extends HtmlBlock {
final App app;
@Inject
AttemptsBlock(App ctx) {
app = ctx;
}
@Override
protected void render(Block html) {
if (!isValidRequest()) {
html.
h2($(TITLE));
return;
}
TBODY<TABLE<Hamlet>> tbody = html.
table("#attempts").
thead().
tr().
th(".id", "Attempt").
th(".progress", "Progress").
th(".state", "State").
th(".node", "node").
th(".tsh", "Started").
th(".tsh", "Finished").
th(".tsh", "Elapsed").
th(".note", "Note")._()._().
tbody();
for (TaskAttempt attempt : getTaskAttempts()) {
TaskAttemptInfo ta = new TaskAttemptInfo(attempt, true);
String taid = ta.getId();
String progress = percent(ta.getProgress() / 100);
ContainerId containerId = ta.getAssignedContainerId();
String nodeHttpAddr = ta.getNode();
long startTime = ta.getStartTime();
long finishTime = ta.getFinishTime();
long elapsed = ta.getElapsedTime();
String diag = ta.getNote() == null ? "" : ta.getNote();
TD<TR<TBODY<TABLE<Hamlet>>>> nodeTd = tbody.
tr().
td(".id", taid).
td(".progress", progress).
td(".state", ta.getState()).
td().
a(".nodelink", url("http://", nodeHttpAddr), nodeHttpAddr);
if (containerId != null) {
String containerIdStr = ta.getAssignedContainerIdStr();
nodeTd._(" ").
a(".logslink", url("http://", nodeHttpAddr, "node", "containerlogs",
containerIdStr, app.getJob().getUserName()), "logs");
}
nodeTd._().
td(".ts", Times.format(startTime)).
td(".ts", Times.format(finishTime)).
td(".dt", StringUtils.formatTime(elapsed)).
td(".note", diag)._();
}
tbody._()._();
}
protected boolean isValidRequest() {
return app.getTask() != null;
}
protected Collection<TaskAttempt> getTaskAttempts() {
return app.getTask().getAttempts().values();
}
}
@Override protected void preHead(Page.HTML<_> html) {
commonPreHead(html);
// This page is a list of all attempts which are limited in number. Okay to
// refresh automatically.
html.meta_http("refresh", "10");
set(initID(ACCORDION, "nav"), "{autoHeight:false, active:3}");
set(DATATABLES_ID, "attempts");
set(initID(DATATABLES, "attempts"), attemptsTableInit());
setTableStyles(html, "attempts");
}
@Override protected Class<? extends SubView> content() {
return AttemptsBlock.class;
}
private String attemptsTableInit() {
return tableInit().
// Sort by id upon page load
append(", aaSorting: [[0, 'asc']]").
append("}").toString();
}
}