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org.apache.hadoop.yarn.server.webapp.AppAttemptBlock Maven / Gradle / Ivy
/**
* 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.security.PrivilegedExceptionAction;
import java.util.Collection;
import java.util.List;
import org.apache.commons.text.StringEscapeUtils;
import org.apache.hadoop.security.UserGroupInformation;
import org.apache.hadoop.yarn.api.ApplicationBaseProtocol;
import org.apache.hadoop.yarn.api.protocolrecords.GetApplicationAttemptReportRequest;
import org.apache.hadoop.yarn.api.protocolrecords.GetContainersRequest;
import org.apache.hadoop.yarn.api.records.ApplicationAttemptId;
import org.apache.hadoop.yarn.api.records.ApplicationAttemptReport;
import org.apache.hadoop.yarn.api.records.ContainerId;
import org.apache.hadoop.yarn.api.records.ContainerReport;
import org.apache.hadoop.yarn.api.records.YarnApplicationAttemptState;
import org.apache.hadoop.yarn.exceptions.YarnException;
import org.apache.hadoop.yarn.server.webapp.dao.AppAttemptInfo;
import org.apache.hadoop.yarn.server.webapp.dao.ContainerInfo;
import org.apache.hadoop.yarn.webapp.hamlet2.Hamlet;
import org.apache.hadoop.yarn.webapp.hamlet2.Hamlet.TABLE;
import org.apache.hadoop.yarn.webapp.hamlet2.Hamlet.TBODY;
import org.apache.hadoop.yarn.webapp.view.HtmlBlock;
import org.apache.hadoop.yarn.webapp.view.InfoBlock;
import com.google.inject.Inject;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class AppAttemptBlock extends HtmlBlock {
private static final Logger LOG =
LoggerFactory.getLogger(AppAttemptBlock.class);
protected ApplicationBaseProtocol appBaseProt;
protected ApplicationAttemptId appAttemptId = null;
@Inject
public AppAttemptBlock(ApplicationBaseProtocol appBaseProt, ViewContext ctx) {
super(ctx);
this.appBaseProt = appBaseProt;
}
@Override
protected void render(Block html) {
String attemptid = $(APPLICATION_ATTEMPT_ID);
if (attemptid.isEmpty()) {
puts("Bad request: requires application attempt ID");
return;
}
try {
appAttemptId = ApplicationAttemptId.fromString(attemptid);
} catch (IllegalArgumentException e) {
puts("Invalid application attempt ID: " + attemptid);
return;
}
UserGroupInformation callerUGI = getCallerUGI();
ApplicationAttemptReport appAttemptReport;
try {
final GetApplicationAttemptReportRequest request =
GetApplicationAttemptReportRequest.newInstance(appAttemptId);
if (callerUGI == null) {
appAttemptReport =
getApplicationAttemptReport(request);
} else {
appAttemptReport = callerUGI.doAs(
new PrivilegedExceptionAction () {
@Override
public ApplicationAttemptReport run() throws Exception {
return getApplicationAttemptReport(request);
}
});
}
} catch (Exception 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;
}
boolean exceptionWhenGetContainerReports = false;
Collection containers = null;
try {
final GetContainersRequest request =
GetContainersRequest.newInstance(appAttemptId);
if (callerUGI == null) {
containers = getContainers(request);
} else {
containers = callerUGI.doAs(
new PrivilegedExceptionAction> () {
@Override
public Collection run() throws Exception {
return getContainers(request);
}
});
}
} catch (RuntimeException e) {
// have this block to suppress the findbugs warning
exceptionWhenGetContainerReports = true;
} catch (Exception e) {
exceptionWhenGetContainerReports = true;
}
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();
}
generateOverview(appAttemptReport, containers, appAttempt, node);
if (exceptionWhenGetContainerReports) {
html
.p()
.__(
"Sorry, Failed to get containers for application attempt" + attemptid
+ ".").__();
return;
}
createAttemptHeadRoomTable(html);
html.__(InfoBlock.class);
createTablesForAttemptMetrics(html);
// Container Table
TBODY> tbody =
html.table("#containers").$style("width:100%")
.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);
containersTableData
.append("[\"")
.append(container.getContainerId())
.append(" \",\"")
.append(container.getNodeHttpAddress() == null ? "N/A" :
StringEscapeUtils.escapeEcmaScript(StringEscapeUtils
.escapeHtml4(container.getNodeHttpAddress())))
.append(" \",\"")
.append(container.getContainerExitStatus()).append("\",\"")
.append(container.getLogUrl() == null ?
"N/A" : "Logs").append(" \"],\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.__().__();
}
protected List getContainers(
final GetContainersRequest request) throws YarnException, IOException {
return appBaseProt.getContainers(request).getContainerList();
}
protected ApplicationAttemptReport getApplicationAttemptReport(
final GetApplicationAttemptReportRequest request)
throws YarnException, IOException {
return appBaseProt.getApplicationAttemptReport(request)
.getApplicationAttemptReport();
}
protected void generateOverview(ApplicationAttemptReport appAttemptReport,
Collection containers, AppAttemptInfo appAttempt,
String node) {
String amContainerId = appAttempt.getAmContainerId();
info("Application Attempt Overview")
.__(
"Application Attempt State:",
appAttempt.getAppAttemptState() == null ? UNAVAILABLE : appAttempt
.getAppAttemptState())
.__("AM Container:",
amContainerId == null
|| containers == null
|| !hasAMContainer(appAttemptReport.getAMContainerId(),
containers) ? null : root_url("container", amContainerId),
amContainerId == null ? "N/A" : amContainerId)
.__("Node:", node)
.__(
"Tracking URL:",
appAttempt.getTrackingUrl() == null
|| appAttempt.getTrackingUrl().equals(UNAVAILABLE) ? null
: root_url(appAttempt.getTrackingUrl()),
appAttempt.getTrackingUrl() == null
|| appAttempt.getTrackingUrl().equals(UNAVAILABLE)
? "Unassigned"
: appAttempt.getAppAttemptState() == YarnApplicationAttemptState.FINISHED
|| appAttempt.getAppAttemptState() == YarnApplicationAttemptState.FAILED
|| appAttempt.getAppAttemptState() == YarnApplicationAttemptState.KILLED
? "History" : "ApplicationMaster")
.__(
"Diagnostics Info:",
appAttempt.getDiagnosticsInfo() == null ? "" : appAttempt
.getDiagnosticsInfo());
}
protected boolean hasAMContainer(ContainerId containerId,
Collection containers) {
for (ContainerReport container : containers) {
if (containerId.equals(container.getContainerId())) {
return true;
}
}
return false;
}
protected void createAttemptHeadRoomTable(Block html) {
}
protected void createTablesForAttemptMetrics(Block html) {
}
}
