Merge branch 'trunk' into HDFS-6581
This commit is contained in:
commit
e431d054cb
|
@ -780,6 +780,9 @@ Release 2.6.0 - UNRELEASED
|
|||
|
||||
HDFS-4227. Document dfs.namenode.resource.* (Daisuke Kobayashi via aw)
|
||||
|
||||
HDFS-6754. TestNamenodeCapacityReport may sometimes fail due to lack of
|
||||
retry. (Mit Desai via kihwal)
|
||||
|
||||
BREAKDOWN OF HDFS-6134 AND HADOOP-10150 SUBTASKS AND RELATED JIRAS
|
||||
|
||||
HDFS-6387. HDFS CLI admin tool for creating & deleting an
|
||||
|
|
|
@ -169,8 +169,8 @@ public class TestNamenodeCapacityReport {
|
|||
@Test
|
||||
public void testXceiverCount() throws Exception {
|
||||
Configuration conf = new HdfsConfiguration();
|
||||
// don't waste time retrying if close fails
|
||||
conf.setInt(DFS_CLIENT_BLOCK_WRITE_LOCATEFOLLOWINGBLOCK_RETRIES_KEY, 0);
|
||||
// retry one time, if close fails
|
||||
conf.setInt(DFS_CLIENT_BLOCK_WRITE_LOCATEFOLLOWINGBLOCK_RETRIES_KEY, 1);
|
||||
MiniDFSCluster cluster = null;
|
||||
|
||||
final int nodes = 8;
|
||||
|
|
|
@ -32,6 +32,9 @@ Release 2.7.0 - UNRELEASED
|
|||
INCOMPATIBLE CHANGES
|
||||
|
||||
NEW FEATURES
|
||||
|
||||
YARN-2179. [YARN-1492] Initial cache manager structure and context.
|
||||
(Chris Trezzo via kasha)
|
||||
|
||||
IMPROVEMENTS
|
||||
|
||||
|
|
|
@ -33,6 +33,7 @@ function hadoop_usage
|
|||
echo " resourcemanager run the ResourceManager"
|
||||
echo " resourcemanager -format-state-store deletes the RMStateStore"
|
||||
echo " rmadmin admin tools"
|
||||
echo " sharedcachemanager run the SharedCacheManager daemon"
|
||||
echo " timelineserver run the timeline server"
|
||||
echo " version print the version"
|
||||
echo " or"
|
||||
|
@ -149,6 +150,11 @@ case "${COMMAND}" in
|
|||
JAVA_HEAP_MAX="-Xmx${YARN_TIMELINESERVER_HEAPSIZE}m"
|
||||
fi
|
||||
;;
|
||||
sharedcachemanager)
|
||||
daemon="true"
|
||||
CLASS='org.apache.hadoop.yarn.server.sharedcachemanager.SharedCacheManager'
|
||||
YARN_OPTS="$YARN_OPTS $YARN_SHAREDCACHEMANAGER_OPTS"
|
||||
;;
|
||||
version)
|
||||
CLASS=org.apache.hadoop.util.VersionInfo
|
||||
hadoop_debug "Append YARN_CLIENT_OPTS onto YARN_OPTS"
|
||||
|
|
|
@ -1285,6 +1285,28 @@ public class YarnConfiguration extends Configuration {
|
|||
public static final boolean
|
||||
TIMELINE_SERVICE_HTTP_CROSS_ORIGIN_ENABLED_DEFAULT = false;
|
||||
|
||||
// ///////////////////////////////
|
||||
// Shared Cache Configs
|
||||
// ///////////////////////////////
|
||||
public static final String SHARED_CACHE_PREFIX = "yarn.sharedcache.";
|
||||
|
||||
// common configs
|
||||
/** whether the shared cache is enabled/disabled */
|
||||
public static final String SHARED_CACHE_ENABLED =
|
||||
SHARED_CACHE_PREFIX + "enabled";
|
||||
public static final boolean DEFAULT_SHARED_CACHE_ENABLED = false;
|
||||
|
||||
/** The config key for the shared cache root directory. */
|
||||
public static final String SHARED_CACHE_ROOT =
|
||||
SHARED_CACHE_PREFIX + "root-dir";
|
||||
public static final String DEFAULT_SHARED_CACHE_ROOT = "/sharedcache";
|
||||
|
||||
/** The config key for the level of nested directories before getting to the
|
||||
* checksum directory. */
|
||||
public static final String SHARED_CACHE_NESTED_LEVEL =
|
||||
SHARED_CACHE_PREFIX + "nested-level";
|
||||
public static final int DEFAULT_SHARED_CACHE_NESTED_LEVEL = 3;
|
||||
|
||||
////////////////////////////////
|
||||
// Other Configs
|
||||
////////////////////////////////
|
||||
|
|
|
@ -1310,6 +1310,26 @@
|
|||
<value>/etc/krb5.keytab</value>
|
||||
</property>
|
||||
|
||||
<!-- Shared Cache Configuration -->
|
||||
<property>
|
||||
<description>Whether the shared cache is enabled</description>
|
||||
<name>yarn.sharedcache.enabled</name>
|
||||
<value>false</value>
|
||||
</property>
|
||||
|
||||
<property>
|
||||
<description>The root directory for the shared cache</description>
|
||||
<name>yarn.sharedcache.root-dir</name>
|
||||
<value>/sharedcache</value>
|
||||
</property>
|
||||
|
||||
<property>
|
||||
<description>The level of nested directories before getting to the checksum
|
||||
directories. It must be non-negative.</description>
|
||||
<name>yarn.sharedcache.nested-level</name>
|
||||
<value>3</value>
|
||||
</property>
|
||||
|
||||
<!-- Other configuration -->
|
||||
<property>
|
||||
<description>The interval that the yarn client library uses to poll the
|
||||
|
|
|
@ -0,0 +1,81 @@
|
|||
/**
|
||||
* 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.sharedcache;
|
||||
|
||||
import org.apache.commons.logging.Log;
|
||||
import org.apache.commons.logging.LogFactory;
|
||||
import org.apache.hadoop.classification.InterfaceAudience.Private;
|
||||
import org.apache.hadoop.classification.InterfaceStability.Unstable;
|
||||
import org.apache.hadoop.conf.Configuration;
|
||||
import org.apache.hadoop.fs.Path;
|
||||
import org.apache.hadoop.yarn.conf.YarnConfiguration;
|
||||
|
||||
/**
|
||||
* A utility class that contains helper methods for dealing with the internal
|
||||
* shared cache structure.
|
||||
*/
|
||||
@Private
|
||||
@Unstable
|
||||
public class SharedCacheStructureUtil {
|
||||
|
||||
private static final Log LOG = LogFactory.getLog(SharedCacheStructureUtil.class);
|
||||
|
||||
@Private
|
||||
public static int getCacheDepth(Configuration conf) {
|
||||
int cacheDepth =
|
||||
conf.getInt(YarnConfiguration.SHARED_CACHE_NESTED_LEVEL,
|
||||
YarnConfiguration.DEFAULT_SHARED_CACHE_NESTED_LEVEL);
|
||||
|
||||
if (cacheDepth <= 0) {
|
||||
LOG.warn("Specified cache depth was less than or equal to zero."
|
||||
+ " Using default value instead. Default: "
|
||||
+ YarnConfiguration.DEFAULT_SHARED_CACHE_NESTED_LEVEL
|
||||
+ ", Specified: " + cacheDepth);
|
||||
cacheDepth = YarnConfiguration.DEFAULT_SHARED_CACHE_NESTED_LEVEL;
|
||||
}
|
||||
|
||||
return cacheDepth;
|
||||
}
|
||||
|
||||
@Private
|
||||
public static String getCacheEntryPath(int cacheDepth, String cacheRoot,
|
||||
String checksum) {
|
||||
|
||||
if (cacheDepth <= 0) {
|
||||
throw new IllegalArgumentException(
|
||||
"The cache depth must be greater than 0. Passed value: " + cacheDepth);
|
||||
}
|
||||
if (checksum.length() < cacheDepth) {
|
||||
throw new IllegalArgumentException("The checksum passed was too short: "
|
||||
+ checksum);
|
||||
}
|
||||
|
||||
// Build the cache entry path to the specified depth. For example, if the
|
||||
// depth is 3 and the checksum is 3c4f, the path would be:
|
||||
// SHARED_CACHE_ROOT/3/c/4/3c4f
|
||||
StringBuilder sb = new StringBuilder(cacheRoot);
|
||||
for (int i = 0; i < cacheDepth; i++) {
|
||||
sb.append(Path.SEPARATOR_CHAR);
|
||||
sb.append(checksum.charAt(i));
|
||||
}
|
||||
sb.append(Path.SEPARATOR_CHAR).append(checksum);
|
||||
|
||||
return sb.toString();
|
||||
}
|
||||
}
|
|
@ -0,0 +1,90 @@
|
|||
<?xml version="1.0"?>
|
||||
<!--
|
||||
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. See accompanying LICENSE file.
|
||||
-->
|
||||
<project xmlns:pom="http://maven.apache.org/POM/4.0.0">
|
||||
<modelVersion>4.0.0</modelVersion>
|
||||
<parent>
|
||||
<artifactId>hadoop-yarn-server</artifactId>
|
||||
<groupId>org.apache.hadoop</groupId>
|
||||
<version>3.0.0-SNAPSHOT</version>
|
||||
</parent>
|
||||
<groupId>org.apache.hadoop</groupId>
|
||||
<artifactId>hadoop-yarn-server-sharedcachemanager</artifactId>
|
||||
<version>3.0.0-SNAPSHOT</version>
|
||||
<name>hadoop-yarn-server-sharedcachemanager</name>
|
||||
|
||||
<properties>
|
||||
<!-- Needed for generating FindBugs warnings using parent pom -->
|
||||
<yarn.basedir>${project.parent.parent.basedir}</yarn.basedir>
|
||||
</properties>
|
||||
|
||||
<dependencies>
|
||||
<dependency>
|
||||
<groupId>org.apache.hadoop</groupId>
|
||||
<artifactId>hadoop-common</artifactId>
|
||||
</dependency>
|
||||
<dependency>
|
||||
<groupId>org.apache.hadoop</groupId>
|
||||
<artifactId>hadoop-yarn-api</artifactId>
|
||||
</dependency>
|
||||
<dependency>
|
||||
<groupId>org.apache.hadoop</groupId>
|
||||
<artifactId>hadoop-yarn-common</artifactId>
|
||||
</dependency>
|
||||
<dependency>
|
||||
<groupId>org.apache.hadoop</groupId>
|
||||
<artifactId>hadoop-yarn-client</artifactId>
|
||||
</dependency>
|
||||
<dependency>
|
||||
<groupId>junit</groupId>
|
||||
<artifactId>junit</artifactId>
|
||||
<scope>test</scope>
|
||||
</dependency>
|
||||
<dependency>
|
||||
<groupId>org.mockito</groupId>
|
||||
<artifactId>mockito-all</artifactId>
|
||||
<scope>test</scope>
|
||||
</dependency>
|
||||
<dependency>
|
||||
<groupId>org.apache.hadoop</groupId>
|
||||
<artifactId>hadoop-common</artifactId>
|
||||
<type>test-jar</type>
|
||||
<scope>test</scope>
|
||||
</dependency>
|
||||
<dependency>
|
||||
<groupId>org.apache.hadoop</groupId>
|
||||
<artifactId>hadoop-yarn-server-tests</artifactId>
|
||||
<scope>test</scope>
|
||||
<type>test-jar</type>
|
||||
</dependency>
|
||||
</dependencies>
|
||||
|
||||
<build>
|
||||
<plugins>
|
||||
|
||||
<!-- Publish tests jar -->
|
||||
<plugin>
|
||||
<artifactId>maven-jar-plugin</artifactId>
|
||||
<executions>
|
||||
<execution>
|
||||
<goals>
|
||||
<goal>test-jar</goal>
|
||||
</goals>
|
||||
<phase>test-compile</phase>
|
||||
</execution>
|
||||
</executions>
|
||||
</plugin>
|
||||
</plugins>
|
||||
</build>
|
||||
</project>
|
|
@ -0,0 +1,65 @@
|
|||
/**
|
||||
* 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.sharedcachemanager;
|
||||
|
||||
import java.util.Collection;
|
||||
|
||||
import org.apache.hadoop.classification.InterfaceAudience.Private;
|
||||
import org.apache.hadoop.classification.InterfaceStability.Evolving;
|
||||
import org.apache.hadoop.service.CompositeService;
|
||||
import org.apache.hadoop.yarn.api.records.ApplicationId;
|
||||
import org.apache.hadoop.yarn.exceptions.YarnException;
|
||||
|
||||
/**
|
||||
* An interface for checking whether an app is running so that the cleaner
|
||||
* service may determine if it can safely remove a cached entry.
|
||||
*/
|
||||
@Private
|
||||
@Evolving
|
||||
public abstract class AppChecker extends CompositeService {
|
||||
|
||||
public AppChecker() {
|
||||
super("AppChecker");
|
||||
}
|
||||
|
||||
public AppChecker(String name) {
|
||||
super(name);
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns whether the app is in an active state.
|
||||
*
|
||||
* @return true if the app is found and is not in one of the completed states;
|
||||
* false otherwise
|
||||
* @throws YarnException if there is an error in determining the app state
|
||||
*/
|
||||
@Private
|
||||
public abstract boolean isApplicationActive(ApplicationId id)
|
||||
throws YarnException;
|
||||
|
||||
/**
|
||||
* Returns the list of all active apps at the given time.
|
||||
*
|
||||
* @return the list of active apps, or an empty list if there is none
|
||||
* @throws YarnException if there is an error in obtaining the list
|
||||
*/
|
||||
@Private
|
||||
public abstract Collection<ApplicationId> getActiveApplications()
|
||||
throws YarnException;
|
||||
}
|
|
@ -0,0 +1,102 @@
|
|||
/**
|
||||
* 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.sharedcachemanager;
|
||||
|
||||
import java.io.IOException;
|
||||
import java.util.ArrayList;
|
||||
import java.util.Collection;
|
||||
import java.util.EnumSet;
|
||||
import java.util.List;
|
||||
|
||||
import org.apache.hadoop.classification.InterfaceAudience.Private;
|
||||
import org.apache.hadoop.classification.InterfaceStability.Unstable;
|
||||
import org.apache.hadoop.conf.Configuration;
|
||||
import org.apache.hadoop.yarn.api.records.ApplicationId;
|
||||
import org.apache.hadoop.yarn.api.records.ApplicationReport;
|
||||
import org.apache.hadoop.yarn.api.records.YarnApplicationState;
|
||||
import org.apache.hadoop.yarn.client.api.YarnClient;
|
||||
import org.apache.hadoop.yarn.exceptions.ApplicationNotFoundException;
|
||||
import org.apache.hadoop.yarn.exceptions.YarnException;
|
||||
|
||||
/**
|
||||
* An implementation of AppChecker that queries the resource manager remotely to
|
||||
* determine whether the app is running.
|
||||
*/
|
||||
@Private
|
||||
@Unstable
|
||||
public class RemoteAppChecker extends AppChecker {
|
||||
|
||||
private static final EnumSet<YarnApplicationState> ACTIVE_STATES = EnumSet
|
||||
.of(YarnApplicationState.NEW, YarnApplicationState.ACCEPTED,
|
||||
YarnApplicationState.NEW_SAVING, YarnApplicationState.SUBMITTED,
|
||||
YarnApplicationState.RUNNING);
|
||||
|
||||
private final YarnClient client;
|
||||
|
||||
public RemoteAppChecker() {
|
||||
this(YarnClient.createYarnClient());
|
||||
}
|
||||
|
||||
RemoteAppChecker(YarnClient client) {
|
||||
super("RemoteAppChecker");
|
||||
this.client = client;
|
||||
}
|
||||
|
||||
@Override
|
||||
protected void serviceInit(Configuration conf) throws Exception {
|
||||
addService(client);
|
||||
super.serviceInit(conf);
|
||||
}
|
||||
|
||||
@Override
|
||||
@Private
|
||||
public boolean isApplicationActive(ApplicationId id) throws YarnException {
|
||||
ApplicationReport report = null;
|
||||
try {
|
||||
report = client.getApplicationReport(id);
|
||||
} catch (ApplicationNotFoundException e) {
|
||||
// the app does not exist
|
||||
return false;
|
||||
} catch (IOException e) {
|
||||
throw new YarnException(e);
|
||||
}
|
||||
|
||||
if (report == null) {
|
||||
// the app does not exist
|
||||
return false;
|
||||
}
|
||||
|
||||
return ACTIVE_STATES.contains(report.getYarnApplicationState());
|
||||
}
|
||||
|
||||
@Override
|
||||
@Private
|
||||
public Collection<ApplicationId> getActiveApplications() throws YarnException {
|
||||
try {
|
||||
List<ApplicationId> activeApps = new ArrayList<ApplicationId>();
|
||||
List<ApplicationReport> apps = client.getApplications(ACTIVE_STATES);
|
||||
for (ApplicationReport app: apps) {
|
||||
activeApps.add(app.getApplicationId());
|
||||
}
|
||||
return activeApps;
|
||||
} catch (IOException e) {
|
||||
throw new YarnException(e);
|
||||
}
|
||||
}
|
||||
}
|
|
@ -0,0 +1,86 @@
|
|||
/**
|
||||
* 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.sharedcachemanager;
|
||||
|
||||
import org.apache.commons.logging.Log;
|
||||
import org.apache.commons.logging.LogFactory;
|
||||
import org.apache.hadoop.classification.InterfaceAudience.Private;
|
||||
import org.apache.hadoop.classification.InterfaceStability.Unstable;
|
||||
import org.apache.hadoop.conf.Configuration;
|
||||
import org.apache.hadoop.metrics2.lib.DefaultMetricsSystem;
|
||||
import org.apache.hadoop.metrics2.source.JvmMetrics;
|
||||
import org.apache.hadoop.service.CompositeService;
|
||||
import org.apache.hadoop.util.ShutdownHookManager;
|
||||
import org.apache.hadoop.util.StringUtils;
|
||||
import org.apache.hadoop.yarn.YarnUncaughtExceptionHandler;
|
||||
import org.apache.hadoop.yarn.conf.YarnConfiguration;
|
||||
|
||||
/**
|
||||
* This service maintains the shared cache meta data. It handles claiming and
|
||||
* releasing of resources, all rpc calls from the client to the shared cache
|
||||
* manager, and administrative commands. It also persists the shared cache meta
|
||||
* data to a backend store, and cleans up stale entries on a regular basis.
|
||||
*/
|
||||
@Private
|
||||
@Unstable
|
||||
public class SharedCacheManager extends CompositeService {
|
||||
/**
|
||||
* Priority of the SharedCacheManager shutdown hook.
|
||||
*/
|
||||
public static final int SHUTDOWN_HOOK_PRIORITY = 30;
|
||||
|
||||
private static final Log LOG = LogFactory.getLog(SharedCacheManager.class);
|
||||
|
||||
public SharedCacheManager() {
|
||||
super("SharedCacheManager");
|
||||
}
|
||||
|
||||
@Override
|
||||
protected void serviceInit(Configuration conf) throws Exception {
|
||||
// init metrics
|
||||
DefaultMetricsSystem.initialize("SharedCacheManager");
|
||||
JvmMetrics.initSingleton("SharedCacheManager", null);
|
||||
|
||||
super.serviceInit(conf);
|
||||
}
|
||||
|
||||
@Override
|
||||
protected void serviceStop() throws Exception {
|
||||
|
||||
DefaultMetricsSystem.shutdown();
|
||||
super.serviceStop();
|
||||
}
|
||||
|
||||
public static void main(String[] args) {
|
||||
Thread.setDefaultUncaughtExceptionHandler(new YarnUncaughtExceptionHandler());
|
||||
StringUtils.startupShutdownMessage(SharedCacheManager.class, args, LOG);
|
||||
try {
|
||||
Configuration conf = new YarnConfiguration();
|
||||
SharedCacheManager sharedCacheManager = new SharedCacheManager();
|
||||
ShutdownHookManager.get().addShutdownHook(
|
||||
new CompositeServiceShutdownHook(sharedCacheManager),
|
||||
SHUTDOWN_HOOK_PRIORITY);
|
||||
sharedCacheManager.init(conf);
|
||||
sharedCacheManager.start();
|
||||
} catch (Throwable t) {
|
||||
LOG.fatal("Error starting SharedCacheManager", t);
|
||||
System.exit(-1);
|
||||
}
|
||||
}
|
||||
}
|
|
@ -0,0 +1,107 @@
|
|||
/**
|
||||
* 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.sharedcachemanager;
|
||||
|
||||
import static org.junit.Assert.assertFalse;
|
||||
import static org.junit.Assert.assertTrue;
|
||||
import static org.mockito.Mockito.doReturn;
|
||||
import static org.mockito.Mockito.doThrow;
|
||||
import static org.mockito.Mockito.spy;
|
||||
|
||||
import org.apache.hadoop.conf.Configuration;
|
||||
import org.apache.hadoop.yarn.api.records.ApplicationId;
|
||||
import org.apache.hadoop.yarn.api.records.ApplicationReport;
|
||||
import org.apache.hadoop.yarn.api.records.YarnApplicationState;
|
||||
import org.apache.hadoop.yarn.api.records.impl.pb.ApplicationReportPBImpl;
|
||||
import org.apache.hadoop.yarn.client.api.YarnClient;
|
||||
import org.apache.hadoop.yarn.client.api.impl.YarnClientImpl;
|
||||
import org.apache.hadoop.yarn.exceptions.ApplicationNotFoundException;
|
||||
import org.junit.After;
|
||||
import org.junit.Test;
|
||||
|
||||
public class TestRemoteAppChecker {
|
||||
|
||||
private RemoteAppChecker checker;
|
||||
|
||||
@After
|
||||
public void cleanup() {
|
||||
if (checker != null) {
|
||||
checker.stop();
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Creates/initializes/starts a RemoteAppChecker with a spied
|
||||
* DummyYarnClientImpl.
|
||||
*
|
||||
* @return the spied DummyYarnClientImpl in the created AppChecker
|
||||
*/
|
||||
private YarnClient createCheckerWithMockedClient() {
|
||||
YarnClient client = spy(new DummyYarnClientImpl());
|
||||
checker = new RemoteAppChecker(client);
|
||||
checker.init(new Configuration());
|
||||
checker.start();
|
||||
return client;
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testNonExistentApp() throws Exception {
|
||||
YarnClient client = createCheckerWithMockedClient();
|
||||
ApplicationId id = ApplicationId.newInstance(1, 1);
|
||||
|
||||
// test for null
|
||||
doReturn(null).when(client).getApplicationReport(id);
|
||||
assertFalse(checker.isApplicationActive(id));
|
||||
|
||||
// test for ApplicationNotFoundException
|
||||
doThrow(new ApplicationNotFoundException("Throw!")).when(client)
|
||||
.getApplicationReport(id);
|
||||
assertFalse(checker.isApplicationActive(id));
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testRunningApp() throws Exception {
|
||||
YarnClient client = createCheckerWithMockedClient();
|
||||
ApplicationId id = ApplicationId.newInstance(1, 1);
|
||||
|
||||
// create a report and set the state to an active one
|
||||
ApplicationReport report = new ApplicationReportPBImpl();
|
||||
report.setYarnApplicationState(YarnApplicationState.ACCEPTED);
|
||||
doReturn(report).when(client).getApplicationReport(id);
|
||||
|
||||
assertTrue(checker.isApplicationActive(id));
|
||||
}
|
||||
|
||||
class DummyYarnClientImpl extends YarnClientImpl {
|
||||
@Override
|
||||
protected void serviceInit(Configuration conf) throws Exception {
|
||||
// do nothing
|
||||
}
|
||||
|
||||
@Override
|
||||
protected void serviceStart() {
|
||||
// do nothing
|
||||
}
|
||||
|
||||
@Override
|
||||
protected void serviceStop() {
|
||||
// do nothing
|
||||
}
|
||||
}
|
||||
}
|
|
@ -39,6 +39,7 @@
|
|||
<module>hadoop-yarn-server-nodemanager</module>
|
||||
<module>hadoop-yarn-server-web-proxy</module>
|
||||
<module>hadoop-yarn-server-resourcemanager</module>
|
||||
<module>hadoop-yarn-server-sharedcachemanager</module>
|
||||
<module>hadoop-yarn-server-tests</module>
|
||||
<module>hadoop-yarn-server-applicationhistoryservice</module>
|
||||
</modules>
|
||||
|
|
Loading…
Reference in New Issue