package org.apache.hadoop.mapreduce.v2.app.launcher;
import static org.mockito.Matchers.any;
import static org.mockito.Matchers.eq;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.never;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;
import java.net.InetSocketAddress;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.mapred.ShuffleHandler;
import org.apache.hadoop.mapreduce.v2.api.records.JobId;
import org.apache.hadoop.mapreduce.v2.api.records.TaskAttemptId;
import org.apache.hadoop.mapreduce.v2.api.records.TaskId;
import org.apache.hadoop.mapreduce.v2.api.records.TaskType;
import org.apache.hadoop.mapreduce.v2.app.AppContext;
import org.apache.hadoop.mapreduce.v2.app.launcher.ContainerLauncher.EventType;
import org.apache.hadoop.mapreduce.v2.util.MRBuilderUtils;
import org.apache.hadoop.yarn.api.ContainerManager;
import org.apache.hadoop.yarn.api.protocolrecords.StartContainerRequest;
import org.apache.hadoop.yarn.api.protocolrecords.StartContainerResponse;
import org.apache.hadoop.yarn.api.protocolrecords.StopContainerRequest;
import org.apache.hadoop.yarn.api.records.ApplicationId;
import org.apache.hadoop.yarn.api.records.ContainerId;
import org.apache.hadoop.yarn.event.EventHandler;
import org.apache.hadoop.yarn.factories.RecordFactory;
import org.apache.hadoop.yarn.factory.providers.RecordFactoryProvider;
import org.apache.hadoop.yarn.ipc.YarnRPC;
import org.apache.hadoop.yarn.util.BuilderUtils;
import org.junit.Test;
public class TestContainerLauncherImpl {
static final Log LOG = LogFactory.getLog(TestContainerLauncherImpl.class);
private static final RecordFactory recordFactory =
RecordFactoryProvider.getRecordFactory(null);
private static class ContainerLauncherImplUnderTest extends
ContainerLauncherImpl {
private YarnRPC rpc;
public ContainerLauncherImplUnderTest(AppContext context, YarnRPC rpc) {
super(context);
this.rpc = rpc;
}
@Override
protected YarnRPC createYarnRPC(Configuration conf) {
return rpc;
}
public void waitForPoolToIdle() throws InterruptedException {
//I wish that we did not need the sleep, but it is here so that we are sure
// That the other thread had time to insert the event into the queue and
// start processing it. For some reason we were getting interrupted
// exceptions within eventQueue without this sleep.
Thread.sleep(100l);
LOG.debug("POOL SIZE 1: "+this.eventQueue.size()+
" POOL SIZE 2: "+this.launcherPool.getQueue().size()+
" ACTIVE COUNT: "+ this.launcherPool.getActiveCount());
while(!this.eventQueue.isEmpty() ||
!this.launcherPool.getQueue().isEmpty() ||
this.launcherPool.getActiveCount() > 0) {
Thread.sleep(100l);
LOG.debug("POOL SIZE 1: "+this.eventQueue.size()+
" POOL SIZE 2: "+this.launcherPool.getQueue().size()+
" ACTIVE COUNT: "+ this.launcherPool.getActiveCount());
}
LOG.debug("POOL SIZE 1: "+this.eventQueue.size()+
" POOL SIZE 2: "+this.launcherPool.getQueue().size()+
" ACTIVE COUNT: "+ this.launcherPool.getActiveCount());
}
}
public static ContainerId makeContainerId(long ts, int appId, int attemptId,
int id) {
return BuilderUtils.newContainerId(
BuilderUtils.newApplicationAttemptId(
BuilderUtils.newApplicationId(ts, appId), attemptId), id);
}
public static TaskAttemptId makeTaskAttemptId(long ts, int appId, int taskId,
TaskType taskType, int id) {
ApplicationId aID = BuilderUtils.newApplicationId(ts, appId);
JobId jID = MRBuilderUtils.newJobId(aID, id);
TaskId tID = MRBuilderUtils.newTaskId(jID, taskId, taskType);
return MRBuilderUtils.newTaskAttemptId(tID, id);
}
@Test
public void testHandle() throws Exception {
LOG.info("STARTING testHandle");
YarnRPC mockRpc = mock(YarnRPC.class);
AppContext mockContext = mock(AppContext.class);
@SuppressWarnings("rawtypes")
EventHandler mockEventHandler = mock(EventHandler.class);
when(mockContext.getEventHandler()).thenReturn(mockEventHandler);
ContainerManager mockCM = mock(ContainerManager.class);
when(mockRpc.getProxy(eq(ContainerManager.class),
any(InetSocketAddress.class), any(Configuration.class)))
.thenReturn(mockCM);
ContainerLauncherImplUnderTest ut =
new ContainerLauncherImplUnderTest(mockContext, mockRpc);
Configuration conf = new Configuration();
ut.init(conf);
ut.start();
try {
ContainerId contId = makeContainerId(0l, 0, 0, 1);
TaskAttemptId taskAttemptId = makeTaskAttemptId(0l, 0, 0, TaskType.MAP, 0);
String cmAddress = "127.0.0.1:8000";
StartContainerResponse startResp =
recordFactory.newRecordInstance(StartContainerResponse.class);
startResp.setServiceResponse(ShuffleHandler.MAPREDUCE_SHUFFLE_SERVICEID,
ShuffleHandler.serializeMetaData(80));
LOG.info("inserting launch event");
ContainerRemoteLaunchEvent mockLaunchEvent =
mock(ContainerRemoteLaunchEvent.class);
when(mockLaunchEvent.getType())
.thenReturn(EventType.CONTAINER_REMOTE_LAUNCH);
when(mockLaunchEvent.getContainerID())
.thenReturn(contId);
when(mockLaunchEvent.getTaskAttemptID()).thenReturn(taskAttemptId);
when(mockLaunchEvent.getContainerMgrAddress()).thenReturn(cmAddress);
when(mockCM.startContainer(any(StartContainerRequest.class))).thenReturn(startResp);
ut.handle(mockLaunchEvent);
ut.waitForPoolToIdle();
verify(mockCM).startContainer(any(StartContainerRequest.class));
LOG.info("inserting cleanup event");
ContainerLauncherEvent mockCleanupEvent =
mock(ContainerLauncherEvent.class);
when(mockCleanupEvent.getType())
.thenReturn(EventType.CONTAINER_REMOTE_CLEANUP);
when(mockCleanupEvent.getContainerID())
.thenReturn(contId);
when(mockCleanupEvent.getTaskAttemptID()).thenReturn(taskAttemptId);
when(mockCleanupEvent.getContainerMgrAddress()).thenReturn(cmAddress);
ut.handle(mockCleanupEvent);
ut.waitForPoolToIdle();
verify(mockCM).stopContainer(any(StopContainerRequest.class));
} finally {
ut.stop();
}
}
@Test
public void testOutOfOrder() throws Exception {
LOG.info("STARTING testOutOfOrder");
YarnRPC mockRpc = mock(YarnRPC.class);
AppContext mockContext = mock(AppContext.class);
@SuppressWarnings("rawtypes")
EventHandler mockEventHandler = mock(EventHandler.class);
when(mockContext.getEventHandler()).thenReturn(mockEventHandler);
ContainerManager mockCM = mock(ContainerManager.class);
when(mockRpc.getProxy(eq(ContainerManager.class),
any(InetSocketAddress.class), any(Configuration.class)))
.thenReturn(mockCM);
ContainerLauncherImplUnderTest ut =
new ContainerLauncherImplUnderTest(mockContext, mockRpc);
Configuration conf = new Configuration();
ut.init(conf);
ut.start();
try {
ContainerId contId = makeContainerId(0l, 0, 0, 1);
TaskAttemptId taskAttemptId = makeTaskAttemptId(0l, 0, 0, TaskType.MAP, 0);
String cmAddress = "127.0.0.1:8000";
StartContainerResponse startResp =
recordFactory.newRecordInstance(StartContainerResponse.class);
startResp.setServiceResponse(ShuffleHandler.MAPREDUCE_SHUFFLE_SERVICEID,
ShuffleHandler.serializeMetaData(80));
LOG.info("inserting cleanup event");
ContainerLauncherEvent mockCleanupEvent =
mock(ContainerLauncherEvent.class);
when(mockCleanupEvent.getType())
.thenReturn(EventType.CONTAINER_REMOTE_CLEANUP);
when(mockCleanupEvent.getContainerID())
.thenReturn(contId);
when(mockCleanupEvent.getTaskAttemptID()).thenReturn(taskAttemptId);
when(mockCleanupEvent.getContainerMgrAddress()).thenReturn(cmAddress);
ut.handle(mockCleanupEvent);
ut.waitForPoolToIdle();
verify(mockCM, never()).stopContainer(any(StopContainerRequest.class));
LOG.info("inserting launch event");
ContainerRemoteLaunchEvent mockLaunchEvent =
mock(ContainerRemoteLaunchEvent.class);
when(mockLaunchEvent.getType())
.thenReturn(EventType.CONTAINER_REMOTE_LAUNCH);
when(mockLaunchEvent.getContainerID())
.thenReturn(contId);
when(mockLaunchEvent.getTaskAttemptID()).thenReturn(taskAttemptId);
when(mockLaunchEvent.getContainerMgrAddress()).thenReturn(cmAddress);
when(mockCM.startContainer(any(StartContainerRequest.class))).thenReturn(startResp);
ut.handle(mockLaunchEvent);
ut.waitForPoolToIdle();
verify(mockCM, never()).startContainer(any(StartContainerRequest.class));
} finally {
ut.stop();
}
}
}