/**
* 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.yarn.server.webapp;
import static org.apache.hadoop.yarn.util.StringHelper.join;
import static org.apache.hadoop.yarn.webapp.YarnWebParams.APPLICATION_ATTEMPT_ID;
import java.io.IOException;
import java.util.Collection;
import org.apache.commons.lang.StringEscapeUtils;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.hadoop.yarn.api.records.ApplicationAttemptId;
import org.apache.hadoop.yarn.api.records.ApplicationAttemptReport;
import org.apache.hadoop.yarn.api.records.ContainerReport;
import org.apache.hadoop.yarn.server.api.ApplicationContext;
import org.apache.hadoop.yarn.server.webapp.dao.AppAttemptInfo;
import org.apache.hadoop.yarn.server.webapp.dao.ContainerInfo;
import org.apache.hadoop.yarn.util.ConverterUtils;
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.view.HtmlBlock;
import org.apache.hadoop.yarn.webapp.view.InfoBlock;
import com.google.inject.Inject;
public class AppAttemptBlock extends HtmlBlock {
private static final Log LOG = LogFactory.getLog(AppAttemptBlock.class);
private final ApplicationContext appContext;
@Inject
public AppAttemptBlock(ApplicationContext appContext) {
this.appContext = appContext;
}
@Override
protected void render(Block html) {
String attemptid = $(APPLICATION_ATTEMPT_ID);
if (attemptid.isEmpty()) {
puts("Bad request: requires application attempt ID");
return;
}
ApplicationAttemptId appAttemptId = null;
try {
appAttemptId = ConverterUtils.toApplicationAttemptId(attemptid);
} catch (IllegalArgumentException e) {
puts("Invalid application attempt ID: " + attemptid);
return;
}
ApplicationAttemptReport appAttemptReport;
try {
appAttemptReport = appContext.getApplicationAttempt(appAttemptId);
} catch (IOException e) {
String message =
"Failed to read the application attempt " + appAttemptId + ".";
LOG.error(message, e);
html.p()._(message)._();
return;
}
if (appAttemptReport == null) {
puts("Application Attempt not found: " + attemptid);
return;
}
AppAttemptInfo appAttempt = new AppAttemptInfo(appAttemptReport);
setTitle(join("Application Attempt ", attemptid));
String node = "N/A";
if (appAttempt.getHost() != null && appAttempt.getRpcPort() >= 0
&& appAttempt.getRpcPort() < 65536) {
node = appAttempt.getHost() + ":" + appAttempt.getRpcPort();
}
info("Application Attempt Overview")
._("State", appAttempt.getAppAttemptState())
._(
"Master Container",
appAttempt.getAmContainerId() == null ? "#" : root_url("container",
appAttempt.getAmContainerId()),
String.valueOf(appAttempt.getAmContainerId()))
._("Node:", node)
._(
"Tracking URL:",
appAttempt.getTrackingUrl() == null ? "#" : root_url(appAttempt
.getTrackingUrl()), "History")
._("Diagnostics Info:", appAttempt.getDiagnosticsInfo());
html._(InfoBlock.class);
Collection<ContainerReport> containers;
try {
containers = appContext.getContainers(appAttemptId).values();
} catch (IOException e) {
html
.p()
._(
"Sorry, Failed to get containers for application attempt" + attemptid
+ ".")._();
return;
}
// Container Table
TBODY<TABLE<Hamlet>> tbody =
html.table("#containers").thead().tr().th(".id", "Container ID")
.th(".node", "Node").th(".exitstatus", "Container Exit Status")
.th(".logs", "Logs")._()._().tbody();
StringBuilder containersTableData = new StringBuilder("[\n");
for (ContainerReport containerReport : containers) {
ContainerInfo container = new ContainerInfo(containerReport);
// ConatinerID numerical value parsed by parseHadoopID in
// yarn.dt.plugins.js
containersTableData
.append("[\"<a href='")
.append(url("container", container.getContainerId()))
.append("'>")
.append(container.getContainerId())
.append("</a>\",\"<a href='")
.append(container.getAssignedNodeId())
.append("'>")
.append(
StringEscapeUtils.escapeJavaScript(StringEscapeUtils
.escapeHtml(container.getAssignedNodeId()))).append("</a>\",\"")
.append(container.getContainerExitStatus()).append("\",\"<a href='")
.append(container.getLogUrl() == null ?
"#" : container.getLogUrl()).append("'>")
.append(container.getLogUrl() == null ?
"N/A" : "Logs").append("</a>\"],\n");
}
if (containersTableData.charAt(containersTableData.length() - 2) == ',') {
containersTableData.delete(containersTableData.length() - 2,
containersTableData.length() - 1);
}
containersTableData.append("]");
html.script().$type("text/javascript")
._("var containersTableData=" + containersTableData)._();
tbody._()._();
}
}