hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-applications-distributedshell/src/test/java/org/apache/hadoop/yarn/applications/distributedshell/TestDSAppMaster.java - hadoop - Git at Google

 /**
  * 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.applications.distributedshell;

 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.security.UserGroupInformation;
 import org.apache.hadoop.yarn.api.records.ApplicationId;
 import org.apache.hadoop.yarn.api.records.ApplicationAttemptId;
 import org.apache.hadoop.yarn.api.records.Container;
 import org.apache.hadoop.yarn.api.records.ContainerExitStatus;
 import org.apache.hadoop.yarn.api.records.ContainerId;
 import org.apache.hadoop.yarn.api.records.ContainerState;
 import org.apache.hadoop.yarn.api.records.ContainerStatus;
 import org.apache.hadoop.yarn.api.records.NodeId;
 import org.apache.hadoop.yarn.api.records.Priority;
 import org.apache.hadoop.yarn.api.records.Resource;
 import org.apache.hadoop.yarn.client.api.AMRMClient;
 import org.apache.hadoop.yarn.client.api.async.AMRMClientAsync;
 import org.apache.hadoop.yarn.client.api.impl.TimelineClientImpl;
 import org.apache.hadoop.yarn.conf.YarnConfiguration;
 import org.apache.hadoop.yarn.exceptions.YarnException;
 import org.apache.hadoop.yarn.server.timelineservice.storage.FileSystemTimelineWriterImpl;
 import org.apache.hadoop.yarn.server.timelineservice.storage.TimelineWriter;
 import org.apache.hadoop.yarn.server.utils.BuilderUtils;
 import org.junit.Assert;
 import org.junit.Test;
 import org.mockito.Matchers;
 import org.mockito.Mockito;

 import java.io.IOException;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;

 /**
  * A bunch of tests to make sure that the container allocations
  * and releases occur correctly.
  */
 public class TestDSAppMaster {

   static class TestAppMaster extends ApplicationMaster {
     private int threadsLaunched = 0;
     public List<String> yarnShellIds = new ArrayList<String>();

     @Override
     protected Thread createLaunchContainerThread(Container allocatedContainer,
         String shellId) {
       threadsLaunched++;
       launchedContainers.add(allocatedContainer.getId());
       yarnShellIds.add(shellId);
       return new Thread();
     }

     void setNumTotalContainers(int numTotalContainers) {
       this.numTotalContainers = numTotalContainers;
     }

     int getAllocatedContainers() {
       return this.numAllocatedContainers.get();
     }

     @Override
     void startTimelineClient(final Configuration conf) throws YarnException,
         IOException, InterruptedException {
       timelineClient = null;
     }
   }

   @SuppressWarnings("unchecked")
   @Test
   public void testDSAppMasterAllocateHandler() throws Exception {

     TestAppMaster master = new TestAppMaster();
     int targetContainers = 2;
     AMRMClientAsync mockClient = Mockito.mock(AMRMClientAsync.class);
     master.setAmRMClient(mockClient);
     master.setNumTotalContainers(targetContainers);
     Mockito.doNothing().when(mockClient)
         .addContainerRequest(Matchers.any(AMRMClient.ContainerRequest.class));

     ApplicationMaster.RMCallbackHandler handler = master.getRMCallbackHandler();

     List<Container> containers = new ArrayList<>(1);
     ContainerId id1 = BuilderUtils.newContainerId(1, 1, 1, 1);
     containers.add(generateContainer(id1));

     master.numRequestedContainers.set(targetContainers);

     // first allocate a single container, everything should be fine
     handler.onContainersAllocated(containers);
     Assert.assertEquals("Wrong container allocation count", 1,
         master.getAllocatedContainers());
     Mockito.verifyZeroInteractions(mockClient);
     Assert.assertEquals("Incorrect number of threads launched", 1,
         master.threadsLaunched);
     Assert.assertEquals("Incorrect YARN Shell IDs",
         Arrays.asList("1"), master.yarnShellIds);

     // now send 3 extra containers
     containers.clear();
     ContainerId id2 = BuilderUtils.newContainerId(1, 1, 1, 2);
     containers.add(generateContainer(id2));
     ContainerId id3 = BuilderUtils.newContainerId(1, 1, 1, 3);
     containers.add(generateContainer(id3));
     ContainerId id4 = BuilderUtils.newContainerId(1, 1, 1, 4);
     containers.add(generateContainer(id4));
     handler.onContainersAllocated(containers);
     Assert.assertEquals("Wrong final container allocation count", 4,
         master.getAllocatedContainers());

     Assert.assertEquals("Incorrect number of threads launched", 4,
         master.threadsLaunched);

     Assert.assertEquals("Incorrect YARN Shell IDs",
         Arrays.asList("1", "2", "3", "4"), master.yarnShellIds);

     // make sure we handle completion events correctly
     List<ContainerStatus> status = new ArrayList<>();
     status.add(generateContainerStatus(id1, ContainerExitStatus.SUCCESS));
     status.add(generateContainerStatus(id2, ContainerExitStatus.SUCCESS));
     status.add(generateContainerStatus(id3, ContainerExitStatus.ABORTED));
     status.add(generateContainerStatus(id4, ContainerExitStatus.ABORTED));
     handler.onContainersCompleted(status);

     Assert.assertEquals("Unexpected number of completed containers",
         targetContainers, master.getNumCompletedContainers());
     Assert.assertTrue("Master didn't finish containers as expected",
         master.getDone());

     // test for events from containers we know nothing about
     // these events should be ignored
     status = new ArrayList<>();
     ContainerId id5 = BuilderUtils.newContainerId(1, 1, 1, 5);
     status.add(generateContainerStatus(id5, ContainerExitStatus.ABORTED));
     Assert.assertEquals("Unexpected number of completed containers",
         targetContainers, master.getNumCompletedContainers());
     Assert.assertTrue("Master didn't finish containers as expected",
         master.getDone());
     status.add(generateContainerStatus(id5, ContainerExitStatus.SUCCESS));
     Assert.assertEquals("Unexpected number of completed containers",
         targetContainers, master.getNumCompletedContainers());
     Assert.assertTrue("Master didn't finish containers as expected",
         master.getDone());
   }

   private Container generateContainer(ContainerId cid) {
     return Container.newInstance(cid, NodeId.newInstance("host", 5000),
       "host:80", Resource.newInstance(1024, 1), Priority.newInstance(0), null);
   }

   private ContainerStatus
       generateContainerStatus(ContainerId id, int exitStatus) {
     return ContainerStatus.newInstance(id, ContainerState.COMPLETE, "",
       exitStatus);
   }

   @Test
   public void testTimelineClientInDSAppMasterV1() throws Exception {
     runTimelineClientInDSAppMaster(true, false);
   }

   @Test
   public void testTimelineClientInDSAppMasterV2() throws Exception {
     runTimelineClientInDSAppMaster(false, true);
   }

   @Test
   public void testTimelineClientInDSAppMasterV1V2() throws Exception {
     runTimelineClientInDSAppMaster(true, true);
   }

   @Test
   public void testTimelineClientInDSAppMasterDisabled() throws Exception {
     runTimelineClientInDSAppMaster(false, false);
   }

   private void runTimelineClientInDSAppMaster(boolean v1Enabled,
       boolean v2Enabled) throws Exception {
     ApplicationMaster appMaster = createAppMasterWithStartedTimelineService(
         v1Enabled, v2Enabled);
     validateAppMasterTimelineService(v1Enabled, v2Enabled, appMaster);
   }

   private void validateAppMasterTimelineService(boolean v1Enabled,
       boolean v2Enabled, ApplicationMaster appMaster) {
     if (v1Enabled) {
       Assert.assertEquals(appMaster.appSubmitterUgi,
           ((TimelineClientImpl)appMaster.timelineClient).getUgi());
     } else {
       Assert.assertNull(appMaster.timelineClient);
     }
     if (v2Enabled) {
       Assert.assertNotNull(appMaster.timelineV2Client);
     } else {
       Assert.assertNull(appMaster.timelineV2Client);
     }
   }

   private ApplicationMaster createAppMasterWithStartedTimelineService(
       boolean v1Enabled, boolean v2Enabled) throws Exception {
     ApplicationMaster appMaster = new ApplicationMaster();
     appMaster.appSubmitterUgi = UserGroupInformation
         .createUserForTesting("foo", new String[] {"bar"});
     Configuration conf = this.getTimelineServiceConf(v1Enabled, v2Enabled);
     ApplicationId appId = ApplicationId.newInstance(1L, 1);
     appMaster.appAttemptID = ApplicationAttemptId.newInstance(appId, 1);
     appMaster.startTimelineClient(conf);
     return appMaster;
   }

   private Configuration getTimelineServiceConf(boolean v1Enabled,
       boolean v2Enabled) {
     Configuration conf = new YarnConfiguration(new Configuration(false));
     Assert.assertFalse(YarnConfiguration.timelineServiceEnabled(conf));

     if (v1Enabled || v2Enabled) {
       conf.setBoolean(YarnConfiguration.TIMELINE_SERVICE_ENABLED, true);
     }

     if (v1Enabled) {
       conf.setFloat(YarnConfiguration.TIMELINE_SERVICE_VERSION, 1.0f);
     }

     if (v2Enabled) {
       conf.setFloat(YarnConfiguration.TIMELINE_SERVICE_VERSION, 2.0f);
       conf.setClass(YarnConfiguration.TIMELINE_SERVICE_WRITER_CLASS,
           FileSystemTimelineWriterImpl.class, TimelineWriter.class);
     }

     if (v1Enabled && v2Enabled) {
       conf.set(YarnConfiguration.TIMELINE_SERVICE_VERSION, "1.0");
       conf.set(YarnConfiguration.TIMELINE_SERVICE_VERSIONS, "1.0,2.0f");
     }
     return conf;
   }
 }
	/**
	* 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.applications.distributedshell;

	import org.apache.hadoop.conf.Configuration;
	import org.apache.hadoop.security.UserGroupInformation;
	import org.apache.hadoop.yarn.api.records.ApplicationId;
	import org.apache.hadoop.yarn.api.records.ApplicationAttemptId;
	import org.apache.hadoop.yarn.api.records.Container;
	import org.apache.hadoop.yarn.api.records.ContainerExitStatus;
	import org.apache.hadoop.yarn.api.records.ContainerId;
	import org.apache.hadoop.yarn.api.records.ContainerState;
	import org.apache.hadoop.yarn.api.records.ContainerStatus;
	import org.apache.hadoop.yarn.api.records.NodeId;
	import org.apache.hadoop.yarn.api.records.Priority;
	import org.apache.hadoop.yarn.api.records.Resource;
	import org.apache.hadoop.yarn.client.api.AMRMClient;
	import org.apache.hadoop.yarn.client.api.async.AMRMClientAsync;
	import org.apache.hadoop.yarn.client.api.impl.TimelineClientImpl;
	import org.apache.hadoop.yarn.conf.YarnConfiguration;
	import org.apache.hadoop.yarn.exceptions.YarnException;
	import org.apache.hadoop.yarn.server.timelineservice.storage.FileSystemTimelineWriterImpl;
	import org.apache.hadoop.yarn.server.timelineservice.storage.TimelineWriter;
	import org.apache.hadoop.yarn.server.utils.BuilderUtils;
	import org.junit.Assert;
	import org.junit.Test;
	import org.mockito.Matchers;
	import org.mockito.Mockito;

	import java.io.IOException;
	import java.util.ArrayList;
	import java.util.Arrays;
	import java.util.List;

	/**
	* A bunch of tests to make sure that the container allocations
	* and releases occur correctly.
	*/
	public class TestDSAppMaster {

	static class TestAppMaster extends ApplicationMaster {
	private int threadsLaunched = 0;
	public List<String> yarnShellIds = new ArrayList<String>();

	@Override
	protected Thread createLaunchContainerThread(Container allocatedContainer,
	String shellId) {
	threadsLaunched++;
	launchedContainers.add(allocatedContainer.getId());
	yarnShellIds.add(shellId);
	return new Thread();
	}

	void setNumTotalContainers(int numTotalContainers) {
	this.numTotalContainers = numTotalContainers;
	}

	int getAllocatedContainers() {
	return this.numAllocatedContainers.get();
	}

	@Override
	void startTimelineClient(final Configuration conf) throws YarnException,
	IOException, InterruptedException {
	timelineClient = null;
	}
	}

	@SuppressWarnings("unchecked")
	@Test
	public void testDSAppMasterAllocateHandler() throws Exception {

	TestAppMaster master = new TestAppMaster();
	int targetContainers = 2;
	AMRMClientAsync mockClient = Mockito.mock(AMRMClientAsync.class);
	master.setAmRMClient(mockClient);
	master.setNumTotalContainers(targetContainers);
	Mockito.doNothing().when(mockClient)
	.addContainerRequest(Matchers.any(AMRMClient.ContainerRequest.class));

	ApplicationMaster.RMCallbackHandler handler = master.getRMCallbackHandler();

	List<Container> containers = new ArrayList<>(1);
	ContainerId id1 = BuilderUtils.newContainerId(1, 1, 1, 1);
	containers.add(generateContainer(id1));

	master.numRequestedContainers.set(targetContainers);

	// first allocate a single container, everything should be fine
	handler.onContainersAllocated(containers);
	Assert.assertEquals("Wrong container allocation count", 1,
	master.getAllocatedContainers());
	Mockito.verifyZeroInteractions(mockClient);
	Assert.assertEquals("Incorrect number of threads launched", 1,
	master.threadsLaunched);
	Assert.assertEquals("Incorrect YARN Shell IDs",
	Arrays.asList("1"), master.yarnShellIds);

	// now send 3 extra containers
	containers.clear();
	ContainerId id2 = BuilderUtils.newContainerId(1, 1, 1, 2);
	containers.add(generateContainer(id2));
	ContainerId id3 = BuilderUtils.newContainerId(1, 1, 1, 3);
	containers.add(generateContainer(id3));
	ContainerId id4 = BuilderUtils.newContainerId(1, 1, 1, 4);
	containers.add(generateContainer(id4));
	handler.onContainersAllocated(containers);
	Assert.assertEquals("Wrong final container allocation count", 4,
	master.getAllocatedContainers());

	Assert.assertEquals("Incorrect number of threads launched", 4,
	master.threadsLaunched);

	Assert.assertEquals("Incorrect YARN Shell IDs",
	Arrays.asList("1", "2", "3", "4"), master.yarnShellIds);

	// make sure we handle completion events correctly
	List<ContainerStatus> status = new ArrayList<>();
	status.add(generateContainerStatus(id1, ContainerExitStatus.SUCCESS));
	status.add(generateContainerStatus(id2, ContainerExitStatus.SUCCESS));
	status.add(generateContainerStatus(id3, ContainerExitStatus.ABORTED));
	status.add(generateContainerStatus(id4, ContainerExitStatus.ABORTED));
	handler.onContainersCompleted(status);

	Assert.assertEquals("Unexpected number of completed containers",
	targetContainers, master.getNumCompletedContainers());
	Assert.assertTrue("Master didn't finish containers as expected",
	master.getDone());

	// test for events from containers we know nothing about
	// these events should be ignored
	status = new ArrayList<>();
	ContainerId id5 = BuilderUtils.newContainerId(1, 1, 1, 5);
	status.add(generateContainerStatus(id5, ContainerExitStatus.ABORTED));
	Assert.assertEquals("Unexpected number of completed containers",
	targetContainers, master.getNumCompletedContainers());
	Assert.assertTrue("Master didn't finish containers as expected",
	master.getDone());
	status.add(generateContainerStatus(id5, ContainerExitStatus.SUCCESS));
	Assert.assertEquals("Unexpected number of completed containers",
	targetContainers, master.getNumCompletedContainers());
	Assert.assertTrue("Master didn't finish containers as expected",
	master.getDone());
	}

	private Container generateContainer(ContainerId cid) {
	return Container.newInstance(cid, NodeId.newInstance("host", 5000),
	"host:80", Resource.newInstance(1024, 1), Priority.newInstance(0), null);
	}

	private ContainerStatus
	generateContainerStatus(ContainerId id, int exitStatus) {
	return ContainerStatus.newInstance(id, ContainerState.COMPLETE, "",
	exitStatus);
	}

	@Test
	public void testTimelineClientInDSAppMasterV1() throws Exception {
	runTimelineClientInDSAppMaster(true, false);
	}

	@Test
	public void testTimelineClientInDSAppMasterV2() throws Exception {
	runTimelineClientInDSAppMaster(false, true);
	}

	@Test
	public void testTimelineClientInDSAppMasterV1V2() throws Exception {
	runTimelineClientInDSAppMaster(true, true);
	}

	@Test
	public void testTimelineClientInDSAppMasterDisabled() throws Exception {
	runTimelineClientInDSAppMaster(false, false);
	}

	private void runTimelineClientInDSAppMaster(boolean v1Enabled,
	boolean v2Enabled) throws Exception {
	ApplicationMaster appMaster = createAppMasterWithStartedTimelineService(
	v1Enabled, v2Enabled);
	validateAppMasterTimelineService(v1Enabled, v2Enabled, appMaster);
	}

	private void validateAppMasterTimelineService(boolean v1Enabled,
	boolean v2Enabled, ApplicationMaster appMaster) {
	if (v1Enabled) {
	Assert.assertEquals(appMaster.appSubmitterUgi,
	((TimelineClientImpl)appMaster.timelineClient).getUgi());
	} else {
	Assert.assertNull(appMaster.timelineClient);
	}
	if (v2Enabled) {
	Assert.assertNotNull(appMaster.timelineV2Client);
	} else {
	Assert.assertNull(appMaster.timelineV2Client);
	}
	}

	private ApplicationMaster createAppMasterWithStartedTimelineService(
	boolean v1Enabled, boolean v2Enabled) throws Exception {
	ApplicationMaster appMaster = new ApplicationMaster();
	appMaster.appSubmitterUgi = UserGroupInformation
	.createUserForTesting("foo", new String[] {"bar"});
	Configuration conf = this.getTimelineServiceConf(v1Enabled, v2Enabled);
	ApplicationId appId = ApplicationId.newInstance(1L, 1);
	appMaster.appAttemptID = ApplicationAttemptId.newInstance(appId, 1);
	appMaster.startTimelineClient(conf);
	return appMaster;
	}

	private Configuration getTimelineServiceConf(boolean v1Enabled,
	boolean v2Enabled) {
	Configuration conf = new YarnConfiguration(new Configuration(false));
	Assert.assertFalse(YarnConfiguration.timelineServiceEnabled(conf));

	if (v1Enabled \|\| v2Enabled) {
	conf.setBoolean(YarnConfiguration.TIMELINE_SERVICE_ENABLED, true);
	}

	if (v1Enabled) {
	conf.setFloat(YarnConfiguration.TIMELINE_SERVICE_VERSION, 1.0f);
	}

	if (v2Enabled) {
	conf.setFloat(YarnConfiguration.TIMELINE_SERVICE_VERSION, 2.0f);
	conf.setClass(YarnConfiguration.TIMELINE_SERVICE_WRITER_CLASS,
	FileSystemTimelineWriterImpl.class, TimelineWriter.class);
	}

	if (v1Enabled && v2Enabled) {
	conf.set(YarnConfiguration.TIMELINE_SERVICE_VERSION, "1.0");
	conf.set(YarnConfiguration.TIMELINE_SERVICE_VERSIONS, "1.0,2.0f");
	}
	return conf;
	}
	}