YARN-40. Provided support for missing YARN commands Contributed by Devaraj K and Vinod Kumar Vavilapalli.

svn merge --ignore-ancestry -c 1395793 ../../trunk/


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1395794 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Vinod Kumar Vavilapalli 2012-10-08 22:19:43 +00:00
parent c5fc614266
commit 8792f157a4
7 changed files with 644 additions and 2 deletions

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@ -29,6 +29,9 @@ Release 2.0.3-alpha - Unreleased
YARN-23. FairScheduler: FSQueueSchedulable#updateDemand() - potential
redundant aggregation. (kkambatl via tucu)
YARN-127. Move RMAdmin tool to its correct location - the client module.
(vinodkv)
OPTIMIZATIONS
BUG FIXES
@ -100,8 +103,8 @@ Release 0.23.5 - UNRELEASED
IMPROVEMENTS
YARN-127. Move RMAdmin tool to its correct location - the client module.
(vinodkv)
YARN-40. Provided support for missing YARN commands (Devaraj K and Vinod
Kumar Vavilapalli via vinodkv)
OPTIMIZATIONS

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@ -67,6 +67,8 @@ if [ $# = 0 ]; then
echo " rmadmin admin tools"
echo " version print the version"
echo " jar <jar> run a jar file"
echo " application prints application(s) report/kill application"
echo " node prints node report(s)"
echo " logs dump container logs"
echo " classpath prints the class path needed to get the"
echo " Hadoop jar and the required libraries"
@ -171,6 +173,12 @@ if [ "$COMMAND" = "classpath" ] ; then
elif [ "$COMMAND" = "rmadmin" ] ; then
CLASS='org.apache.hadoop.yarn.client.RMAdmin'
YARN_OPTS="$YARN_OPTS $YARN_CLIENT_OPTS"
elif [ "$COMMAND" = "application" ] ; then
CLASS=org.apache.hadoop.yarn.client.cli.ApplicationCLI
YARN_OPTS="$YARN_OPTS $YARN_CLIENT_OPTS"
elif [ "$COMMAND" = "node" ] ; then
CLASS=org.apache.hadoop.yarn.client.cli.NodeCLI
YARN_OPTS="$YARN_OPTS $YARN_CLIENT_OPTS"
elif [ "$COMMAND" = "resourcemanager" ] ; then
CLASSPATH=${CLASSPATH}:$YARN_CONF_DIR/rm-config/log4j.properties
CLASS='org.apache.hadoop.yarn.server.resourcemanager.ResourceManager'

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@ -0,0 +1,159 @@
/**
* 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.client.cli;
import java.io.PrintWriter;
import java.util.List;
import org.apache.commons.cli.CommandLine;
import org.apache.commons.cli.GnuParser;
import org.apache.commons.cli.HelpFormatter;
import org.apache.commons.cli.Options;
import org.apache.hadoop.util.ToolRunner;
import org.apache.hadoop.yarn.api.records.ApplicationId;
import org.apache.hadoop.yarn.api.records.ApplicationReport;
import org.apache.hadoop.yarn.exceptions.YarnRemoteException;
import org.apache.hadoop.yarn.util.ConverterUtils;
public class ApplicationCLI extends YarnCLI {
private static final String APPLICATIONS_PATTERN = "%30s\t%20s\t%10s\t%10s\t%18s\t%18s\t%35s\n";
public static void main(String[] args) throws Exception {
ApplicationCLI cli = new ApplicationCLI();
cli.setSysOutPrintStream(System.out);
cli.setSysErrPrintStream(System.err);
int res = ToolRunner.run(cli, args);
cli.stop();
System.exit(res);
}
@Override
public int run(String[] args) throws Exception {
Options opts = new Options();
opts.addOption(STATUS_CMD, true, "Prints the status of the application.");
opts.addOption(LIST_CMD, false, "Lists all the Applications from RM.");
opts.addOption(KILL_CMD, true, "Kills the application.");
CommandLine cliParser = new GnuParser().parse(opts, args);
int exitCode = -1;
if (cliParser.hasOption(STATUS_CMD)) {
if (args.length != 2) {
printUsage(opts);
return exitCode;
}
printApplicationReport(cliParser.getOptionValue(STATUS_CMD));
} else if (cliParser.hasOption(LIST_CMD)) {
listAllApplications();
} else if (cliParser.hasOption(KILL_CMD)) {
if (args.length != 2) {
printUsage(opts);
return exitCode;
}
killApplication(cliParser.getOptionValue(KILL_CMD));
} else {
syserr.println("Invalid Command Usage : ");
printUsage(opts);
}
return 0;
}
/**
* It prints the usage of the command
*
* @param opts
*/
private void printUsage(Options opts) {
new HelpFormatter().printHelp("application", opts);
}
/**
* Lists all the applications present in the Resource Manager
*
* @throws YarnRemoteException
*/
private void listAllApplications() throws YarnRemoteException {
PrintWriter writer = new PrintWriter(sysout);
List<ApplicationReport> appsReport = client.getApplicationList();
writer.println("Total Applications:" + appsReport.size());
writer.printf(APPLICATIONS_PATTERN, "Application-Id",
"Application-Name", "User", "Queue", "State", "Final-State",
"Tracking-URL");
for (ApplicationReport appReport : appsReport) {
writer.printf(APPLICATIONS_PATTERN, appReport.getApplicationId(),
appReport.getName(), appReport.getUser(), appReport.getQueue(),
appReport.getYarnApplicationState(), appReport
.getFinalApplicationStatus(), appReport.getOriginalTrackingUrl());
}
writer.flush();
}
/**
* Kills the application with the application id as appId
*
* @param applicationId
* @throws YarnRemoteException
*/
private void killApplication(String applicationId) throws YarnRemoteException {
ApplicationId appId = ConverterUtils.toApplicationId(applicationId);
sysout.println("Killing application " + applicationId);
client.killApplication(appId);
}
/**
* Prints the application report for an application id.
*
* @param applicationId
* @throws YarnRemoteException
*/
private void printApplicationReport(String applicationId)
throws YarnRemoteException {
ApplicationReport appReport = client.getApplicationReport(ConverterUtils
.toApplicationId(applicationId));
StringBuffer appReportStr = new StringBuffer();
if (appReport != null) {
appReportStr.append("Application Report : ");
appReportStr.append("\n\tApplication-Id : ");
appReportStr.append(appReport.getApplicationId());
appReportStr.append("\n\tApplication-Name : ");
appReportStr.append(appReport.getName());
appReportStr.append("\n\tUser : ");
appReportStr.append(appReport.getUser());
appReportStr.append("\n\tQueue : ");
appReportStr.append(appReport.getQueue());
appReportStr.append("\n\tStart-Time : ");
appReportStr.append(appReport.getStartTime());
appReportStr.append("\n\tFinish-Time : ");
appReportStr.append(appReport.getFinishTime());
appReportStr.append("\n\tState : ");
appReportStr.append(appReport.getYarnApplicationState());
appReportStr.append("\n\tFinal-State : ");
appReportStr.append(appReport.getFinalApplicationStatus());
appReportStr.append("\n\tTracking-URL : ");
appReportStr.append(appReport.getOriginalTrackingUrl());
appReportStr.append("\n\tDiagnostics : ");
appReportStr.append(appReport.getDiagnostics());
} else {
appReportStr.append("Application with id '" + applicationId
+ "' doesn't exist in RM.");
}
sysout.println(appReportStr.toString());
}
}

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@ -0,0 +1,147 @@
/**
* 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.client.cli;
import java.io.PrintWriter;
import java.util.List;
import org.apache.commons.cli.CommandLine;
import org.apache.commons.cli.GnuParser;
import org.apache.commons.cli.HelpFormatter;
import org.apache.commons.cli.Options;
import org.apache.hadoop.util.ToolRunner;
import org.apache.hadoop.yarn.api.records.NodeId;
import org.apache.hadoop.yarn.api.records.NodeReport;
import org.apache.hadoop.yarn.exceptions.YarnRemoteException;
import org.apache.hadoop.yarn.util.ConverterUtils;
public class NodeCLI extends YarnCLI {
private static final String NODES_PATTERN = "%16s\t%10s\t%17s\t%26s\t%18s\n";
public static void main(String[] args) throws Exception {
NodeCLI cli = new NodeCLI();
cli.setSysOutPrintStream(System.out);
cli.setSysErrPrintStream(System.err);
int res = ToolRunner.run(cli, args);
cli.stop();
System.exit(res);
}
@Override
public int run(String[] args) throws Exception {
Options opts = new Options();
opts.addOption(STATUS_CMD, true, "Prints the status report of the node.");
opts.addOption(LIST_CMD, false, "Lists all the nodes.");
CommandLine cliParser = new GnuParser().parse(opts, args);
int exitCode = -1;
if (cliParser.hasOption("status")) {
if (args.length != 2) {
printUsage(opts);
return exitCode;
}
printNodeStatus(cliParser.getOptionValue("status"));
} else if (cliParser.hasOption("list")) {
listClusterNodes();
} else {
syserr.println("Invalid Command Usage : ");
printUsage(opts);
}
return 0;
}
/**
* It prints the usage of the command
*
* @param opts
*/
private void printUsage(Options opts) {
new HelpFormatter().printHelp("node", opts);
}
/**
* Lists all the nodes present in the cluster
*
* @throws YarnRemoteException
*/
private void listClusterNodes() throws YarnRemoteException {
PrintWriter writer = new PrintWriter(sysout);
List<NodeReport> nodesReport = client.getNodeReports();
writer.println("Total Nodes:" + nodesReport.size());
writer.printf(NODES_PATTERN, "Node-Id", "Node-State", "Node-Http-Address",
"Health-Status(isNodeHealthy)", "Running-Containers");
for (NodeReport nodeReport : nodesReport) {
writer.printf(NODES_PATTERN, nodeReport.getNodeId(), nodeReport
.getNodeState(), nodeReport.getHttpAddress(), nodeReport
.getNodeHealthStatus().getIsNodeHealthy(), nodeReport
.getNumContainers());
}
writer.flush();
}
/**
* Prints the node report for node id.
*
* @param nodeIdStr
* @throws YarnRemoteException
*/
private void printNodeStatus(String nodeIdStr) throws YarnRemoteException {
NodeId nodeId = ConverterUtils.toNodeId(nodeIdStr);
List<NodeReport> nodesReport = client.getNodeReports();
StringBuffer nodeReportStr = new StringBuffer();
NodeReport nodeReport = null;
for (NodeReport report : nodesReport) {
if (!report.getNodeId().equals(nodeId)) {
continue;
}
nodeReport = report;
nodeReportStr.append("Node Report : ");
nodeReportStr.append("\n\tNode-Id : ");
nodeReportStr.append(nodeReport.getNodeId());
nodeReportStr.append("\n\tRack : ");
nodeReportStr.append(nodeReport.getRackName());
nodeReportStr.append("\n\tNode-State : ");
nodeReportStr.append(nodeReport.getNodeState());
nodeReportStr.append("\n\tNode-Http-Address : ");
nodeReportStr.append(nodeReport.getHttpAddress());
nodeReportStr.append("\n\tHealth-Status(isNodeHealthy) : ");
nodeReportStr.append(nodeReport.getNodeHealthStatus()
.getIsNodeHealthy());
nodeReportStr.append("\n\tLast-Last-Health-Update : ");
nodeReportStr.append(nodeReport.getNodeHealthStatus()
.getLastHealthReportTime());
nodeReportStr.append("\n\tHealth-Report : ");
nodeReportStr
.append(nodeReport.getNodeHealthStatus().getHealthReport());
nodeReportStr.append("\n\tContainers : ");
nodeReportStr.append(nodeReport.getNumContainers());
nodeReportStr.append("\n\tMemory-Used : ");
nodeReportStr.append((nodeReport.getUsed() == null) ? "0M"
: (nodeReport.getUsed().getMemory() + "M"));
nodeReportStr.append("\n\tMemory-Capacity : ");
nodeReportStr.append(nodeReport.getCapability().getMemory());
}
if (nodeReport == null) {
nodeReportStr.append("Could not find the node report for node id : "
+ nodeIdStr);
}
sysout.println(nodeReportStr.toString());
}
}

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@ -0,0 +1,63 @@
/**
* 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.client.cli;
import java.io.PrintStream;
import org.apache.hadoop.conf.Configured;
import org.apache.hadoop.util.Tool;
import org.apache.hadoop.yarn.client.YarnClient;
import org.apache.hadoop.yarn.client.YarnClientImpl;
import org.apache.hadoop.yarn.conf.YarnConfiguration;
public abstract class YarnCLI extends Configured implements Tool {
public static final String STATUS_CMD = "status";
public static final String LIST_CMD = "list";
public static final String KILL_CMD = "kill";
protected PrintStream sysout;
protected PrintStream syserr;
protected YarnClient client;
public YarnCLI() {
super(new YarnConfiguration());
client = new YarnClientImpl();
client.init(getConf());
client.start();
}
public void setSysOutPrintStream(PrintStream sysout) {
this.sysout = sysout;
}
public void setSysErrPrintStream(PrintStream syserr) {
this.syserr = syserr;
}
public YarnClient getClient() {
return client;
}
public void setClient(YarnClient client) {
this.client = client;
}
public void stop() {
this.client.stop();
}
}

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@ -0,0 +1,228 @@
/**
* 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.client.cli;
import static org.junit.Assert.assertEquals;
import static org.mockito.Matchers.any;
import static org.mockito.Matchers.anyInt;
import static org.mockito.Matchers.isA;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.spy;
import static org.mockito.Mockito.times;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;
import java.io.ByteArrayOutputStream;
import java.io.PrintStream;
import java.util.ArrayList;
import java.util.List;
import junit.framework.Assert;
import org.apache.hadoop.yarn.api.records.ApplicationId;
import org.apache.hadoop.yarn.api.records.ApplicationReport;
import org.apache.hadoop.yarn.api.records.FinalApplicationStatus;
import org.apache.hadoop.yarn.api.records.NodeHealthStatus;
import org.apache.hadoop.yarn.api.records.NodeId;
import org.apache.hadoop.yarn.api.records.NodeReport;
import org.apache.hadoop.yarn.api.records.NodeState;
import org.apache.hadoop.yarn.api.records.Resource;
import org.apache.hadoop.yarn.api.records.YarnApplicationState;
import org.apache.hadoop.yarn.client.YarnClient;
import org.apache.hadoop.yarn.util.BuilderUtils;
import org.apache.hadoop.yarn.util.Records;
import org.junit.Before;
import org.junit.Test;
public class TestYarnCLI {
private YarnClient client = mock(YarnClient.class);
ByteArrayOutputStream sysOutStream;
private PrintStream sysOut;
ByteArrayOutputStream sysErrStream;
private PrintStream sysErr;
@Before
public void setup() {
sysOutStream = new ByteArrayOutputStream();
sysOut = spy(new PrintStream(sysOutStream));
sysErrStream = new ByteArrayOutputStream();
sysErr = spy(new PrintStream(sysErrStream));
}
@Test
public void testGetApplicationReport() throws Exception {
ApplicationCLI cli = createAndGetAppCLI();
ApplicationId applicationId = BuilderUtils.newApplicationId(1234, 5);
ApplicationReport newApplicationReport = BuilderUtils.newApplicationReport(
applicationId, BuilderUtils.newApplicationAttemptId(applicationId, 1),
"user", "queue", "appname", "host", 124, null,
YarnApplicationState.FINISHED, "diagnostics", "url", 0, 0,
FinalApplicationStatus.SUCCEEDED, null, "N/A");
when(client.getApplicationReport(any(ApplicationId.class))).thenReturn(
newApplicationReport);
int result = cli.run(new String[] { "-status", applicationId.toString() });
assertEquals(0, result);
verify(client).getApplicationReport(applicationId);
String appReportStr = "Application Report : \n\t"
+ "Application-Id : application_1234_0005\n\t"
+ "Application-Name : appname\n\tUser : user\n\t"
+ "Queue : queue\n\tStart-Time : 0\n\tFinish-Time : 0\n\t"
+ "State : FINISHED\n\tFinal-State : SUCCEEDED\n\t"
+ "Tracking-URL : N/A\n\tDiagnostics : diagnostics\n";
Assert.assertEquals(appReportStr, sysOutStream.toString());
verify(sysOut, times(1)).println(isA(String.class));
}
@Test
public void testGetAllApplications() throws Exception {
ApplicationCLI cli = createAndGetAppCLI();
ApplicationId applicationId = BuilderUtils.newApplicationId(1234, 5);
ApplicationReport newApplicationReport = BuilderUtils.newApplicationReport(
applicationId, BuilderUtils.newApplicationAttemptId(applicationId, 1),
"user", "queue", "appname", "host", 124, null,
YarnApplicationState.FINISHED, "diagnostics", "url", 0, 0,
FinalApplicationStatus.SUCCEEDED, null, "N/A");
List<ApplicationReport> applicationReports = new ArrayList<ApplicationReport>();
applicationReports.add(newApplicationReport);
when(client.getApplicationList()).thenReturn(applicationReports);
int result = cli.run(new String[] { "-list" });
assertEquals(0, result);
verify(client).getApplicationList();
StringBuffer appsReportStrBuf = new StringBuffer();
appsReportStrBuf.append("Total Applications:1\n");
appsReportStrBuf
.append(" Application-Id\t Application-Name"
+ "\t User\t Queue\t State\t "
+ "Final-State\t Tracking-URL\n");
appsReportStrBuf.append(" application_1234_0005\t "
+ "appname\t user\t queue\t FINISHED\t "
+ "SUCCEEDED\t N/A\n");
Assert.assertEquals(appsReportStrBuf.toString(), sysOutStream.toString());
verify(sysOut, times(1)).write(any(byte[].class), anyInt(), anyInt());
}
@Test
public void testKillApplication() throws Exception {
ApplicationCLI cli = createAndGetAppCLI();
ApplicationId applicationId = BuilderUtils.newApplicationId(1234, 5);
int result = cli.run(new String[] { "-kill", applicationId.toString() });
assertEquals(0, result);
verify(client).killApplication(any(ApplicationId.class));
verify(sysOut).println("Killing application application_1234_0005");
}
@Test
public void testListClusterNodes() throws Exception {
NodeCLI cli = new NodeCLI();
when(client.getNodeReports()).thenReturn(getNodeReports(3));
cli.setClient(client);
cli.setSysOutPrintStream(sysOut);
int result = cli.run(new String[] { "-list" });
assertEquals(0, result);
verify(client).getNodeReports();
StringBuffer nodesReportStr = new StringBuffer();
nodesReportStr.append("Total Nodes:3");
nodesReportStr
.append("\n Node-Id\tNode-State\tNode-Http-Address\t"
+ "Health-Status(isNodeHealthy)\tRunning-Containers");
nodesReportStr.append("\n host0:0\t RUNNING\t host1:8888"
+ "\t false\t 0");
nodesReportStr.append("\n host1:0\t RUNNING\t host1:8888"
+ "\t false\t 0");
nodesReportStr.append("\n host2:0\t RUNNING\t host1:8888"
+ "\t false\t 0\n");
Assert.assertEquals(nodesReportStr.toString(), sysOutStream.toString());
verify(sysOut, times(1)).write(any(byte[].class), anyInt(), anyInt());
}
@Test
public void testNodeStatus() throws Exception {
NodeId nodeId = BuilderUtils.newNodeId("host0", 0);
NodeCLI cli = new NodeCLI();
when(client.getNodeReports()).thenReturn(getNodeReports(3));
cli.setClient(client);
cli.setSysOutPrintStream(sysOut);
cli.setSysErrPrintStream(sysErr);
int result = cli.run(new String[] { "-status", nodeId.toString() });
assertEquals(0, result);
verify(client).getNodeReports();
String nodeStatusStr = "Node Report : \n\tNode-Id : host0:0\n\t"
+ "Rack : rack1\n\tNode-State : RUNNING\n\t"
+ "Node-Http-Address : host1:8888\n\tHealth-Status(isNodeHealthy) "
+ ": false\n\tLast-Last-Health-Update : 0\n\tHealth-Report : null"
+ "\n\tContainers : 0\n\tMemory-Used : 0M\n\tMemory-Capacity : 0";
verify(sysOut, times(1)).println(isA(String.class));
verify(sysOut).println(nodeStatusStr);
}
@Test
public void testAbsentNodeStatus() throws Exception {
NodeId nodeId = BuilderUtils.newNodeId("Absenthost0", 0);
NodeCLI cli = new NodeCLI();
when(client.getNodeReports()).thenReturn(getNodeReports(0));
cli.setClient(client);
cli.setSysOutPrintStream(sysOut);
cli.setSysErrPrintStream(sysErr);
int result = cli.run(new String[] { "-status", nodeId.toString() });
assertEquals(0, result);
verify(client).getNodeReports();
verify(sysOut, times(1)).println(isA(String.class));
verify(sysOut).println(
"Could not find the node report for node id : " + nodeId.toString());
}
@Test
public void testAppCLIUsageInfo() throws Exception {
verifyUsageInfo(new ApplicationCLI());
}
@Test
public void testNodeCLIUsageInfo() throws Exception {
verifyUsageInfo(new NodeCLI());
}
private void verifyUsageInfo(YarnCLI cli) throws Exception {
cli.setSysErrPrintStream(sysErr);
cli.run(new String[0]);
verify(sysErr).println("Invalid Command Usage : ");
}
private List<NodeReport> getNodeReports(int noOfNodes) {
List<NodeReport> nodeReports = new ArrayList<NodeReport>();
for (int i = 0; i < noOfNodes; i++) {
NodeReport nodeReport = BuilderUtils.newNodeReport(BuilderUtils
.newNodeId("host" + i, 0), NodeState.RUNNING, "host" + 1 + ":8888",
"rack1", Records.newRecord(Resource.class), Records
.newRecord(Resource.class), 0, Records
.newRecord(NodeHealthStatus.class));
nodeReports.add(nodeReport);
}
return nodeReports;
}
private ApplicationCLI createAndGetAppCLI() {
ApplicationCLI cli = new ApplicationCLI();
cli.setClient(client);
cli.setSysOutPrintStream(sysOut);
return cli;
}
}

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@ -52,6 +52,40 @@ Usage: yarn [--config confdir] COMMAND
Usage: yarn jar <jar> [mainClass] args...
-------
** application
Prints application(s) report/kill application
-------
Usage: yarn application <options>
-------
*---------------+--------------+
|| COMMAND_OPTIONS || Description |
*---------------+--------------+
| -status ApplicationId | Specify an application id |
*---------------+--------------+
| -list | Lists all the Applications from RM |
*---------------+--------------+
| -kill ApplicationId | Specify an application id |
*---------------+--------------+
** node
Prints node report(s)
-------
Usage: yarn node <options>
-------
*---------------+--------------+
|| COMMAND_OPTIONS || Description |
*---------------+--------------+
| -status NodeId | Specify a node id |
*---------------+--------------+
| -list | Lists all the Nodes |
*---------------+--------------+
** logs
Dump the container logs