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* 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.resourcemanager.rmcontainer;
import static org.junit.Assert.assertEquals;
import static org.mockito.Mockito.any;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.never;
import static org.mockito.Mockito.reset;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;
import java.util.ArrayList;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.yarn.api.records.ApplicationAttemptId;
import org.apache.hadoop.yarn.api.records.ApplicationId;
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.api.records.ResourceRequest;
import org.apache.hadoop.yarn.conf.YarnConfiguration;
import org.apache.hadoop.yarn.event.DrainDispatcher;
import org.apache.hadoop.yarn.event.EventHandler;
import org.apache.hadoop.yarn.server.resourcemanager.MockAM;
import org.apache.hadoop.yarn.server.resourcemanager.MockNM;
import org.apache.hadoop.yarn.server.resourcemanager.MockRM;
import org.apache.hadoop.yarn.server.resourcemanager.RMContext;
import org.apache.hadoop.yarn.server.resourcemanager.ahs.RMApplicationHistoryWriter;
import org.apache.hadoop.yarn.server.resourcemanager.rmapp.RMApp;
import org.apache.hadoop.yarn.server.resourcemanager.rmapp.attempt.RMAppAttemptEvent;
import org.apache.hadoop.yarn.server.resourcemanager.rmapp.attempt.RMAppAttemptEventType;
import org.apache.hadoop.yarn.server.resourcemanager.rmapp.attempt.event.RMAppAttemptContainerFinishedEvent;
import org.apache.hadoop.yarn.server.resourcemanager.rmnode.RMNodeEventType;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.ResourceScheduler;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.SchedulerUtils;
import org.apache.hadoop.yarn.server.utils.BuilderUtils;
import org.junit.Assert;
import org.junit.Test;
import org.mockito.ArgumentCaptor;
@SuppressWarnings({ "unchecked", "rawtypes" })
public class TestRMContainerImpl {
@Test
public void testReleaseWhileRunning() {
DrainDispatcher drainDispatcher = new DrainDispatcher();
EventHandler<RMAppAttemptEvent> appAttemptEventHandler = mock(EventHandler.class);
EventHandler generic = mock(EventHandler.class);
drainDispatcher.register(RMAppAttemptEventType.class,
appAttemptEventHandler);
drainDispatcher.register(RMNodeEventType.class, generic);
drainDispatcher.init(new YarnConfiguration());
drainDispatcher.start();
NodeId nodeId = BuilderUtils.newNodeId("host", 3425);
ApplicationId appId = BuilderUtils.newApplicationId(1, 1);
ApplicationAttemptId appAttemptId = BuilderUtils.newApplicationAttemptId(
appId, 1);
ContainerId containerId = BuilderUtils.newContainerId(appAttemptId, 1);
ContainerAllocationExpirer expirer = mock(ContainerAllocationExpirer.class);
Resource resource = BuilderUtils.newResource(512, 1);
Priority priority = BuilderUtils.newPriority(5);
Container container = BuilderUtils.newContainer(containerId, nodeId,
"host:3465", resource, priority, null);
RMApplicationHistoryWriter writer = mock(RMApplicationHistoryWriter.class);
RMContext rmContext = mock(RMContext.class);
when(rmContext.getDispatcher()).thenReturn(drainDispatcher);
when(rmContext.getContainerAllocationExpirer()).thenReturn(expirer);
when(rmContext.getRMApplicationHistoryWriter()).thenReturn(writer);
RMContainer rmContainer = new RMContainerImpl(container, appAttemptId,
nodeId, "user", rmContext);
assertEquals(RMContainerState.NEW, rmContainer.getState());
assertEquals(resource, rmContainer.getAllocatedResource());
assertEquals(nodeId, rmContainer.getAllocatedNode());
assertEquals(priority, rmContainer.getAllocatedPriority());
verify(writer).containerStarted(any(RMContainer.class));
rmContainer.handle(new RMContainerEvent(containerId,
RMContainerEventType.START));
drainDispatcher.await();
assertEquals(RMContainerState.ALLOCATED, rmContainer.getState());
rmContainer.handle(new RMContainerEvent(containerId,
RMContainerEventType.ACQUIRED));
drainDispatcher.await();
assertEquals(RMContainerState.ACQUIRED, rmContainer.getState());
rmContainer.handle(new RMContainerEvent(containerId,
RMContainerEventType.LAUNCHED));
drainDispatcher.await();
assertEquals(RMContainerState.RUNNING, rmContainer.getState());
assertEquals("//host:3465/node/containerlogs/container_1_0001_01_000001/user",
rmContainer.getLogURL());
// In RUNNING state. Verify RELEASED and associated actions.
reset(appAttemptEventHandler);
ContainerStatus containerStatus = SchedulerUtils
.createAbnormalContainerStatus(containerId,
SchedulerUtils.RELEASED_CONTAINER);
rmContainer.handle(new RMContainerFinishedEvent(containerId,
containerStatus, RMContainerEventType.RELEASED));
drainDispatcher.await();
assertEquals(RMContainerState.RELEASED, rmContainer.getState());
assertEquals(SchedulerUtils.RELEASED_CONTAINER,
rmContainer.getDiagnosticsInfo());
assertEquals(ContainerExitStatus.ABORTED,
rmContainer.getContainerExitStatus());
assertEquals(ContainerState.COMPLETE, rmContainer.getContainerState());
verify(writer).containerFinished(any(RMContainer.class));
ArgumentCaptor<RMAppAttemptContainerFinishedEvent> captor = ArgumentCaptor
.forClass(RMAppAttemptContainerFinishedEvent.class);
verify(appAttemptEventHandler).handle(captor.capture());
RMAppAttemptContainerFinishedEvent cfEvent = captor.getValue();
assertEquals(appAttemptId, cfEvent.getApplicationAttemptId());
assertEquals(containerStatus, cfEvent.getContainerStatus());
assertEquals(RMAppAttemptEventType.CONTAINER_FINISHED, cfEvent.getType());
// In RELEASED state. A FINIHSED event may come in.
rmContainer.handle(new RMContainerFinishedEvent(containerId, SchedulerUtils
.createAbnormalContainerStatus(containerId, "FinishedContainer"),
RMContainerEventType.FINISHED));
assertEquals(RMContainerState.RELEASED, rmContainer.getState());
}
@Test
public void testExpireWhileRunning() {
DrainDispatcher drainDispatcher = new DrainDispatcher();
EventHandler<RMAppAttemptEvent> appAttemptEventHandler = mock(EventHandler.class);
EventHandler generic = mock(EventHandler.class);
drainDispatcher.register(RMAppAttemptEventType.class,
appAttemptEventHandler);
drainDispatcher.register(RMNodeEventType.class, generic);
drainDispatcher.init(new YarnConfiguration());
drainDispatcher.start();
NodeId nodeId = BuilderUtils.newNodeId("host", 3425);
ApplicationId appId = BuilderUtils.newApplicationId(1, 1);
ApplicationAttemptId appAttemptId = BuilderUtils.newApplicationAttemptId(
appId, 1);
ContainerId containerId = BuilderUtils.newContainerId(appAttemptId, 1);
ContainerAllocationExpirer expirer = mock(ContainerAllocationExpirer.class);
Resource resource = BuilderUtils.newResource(512, 1);
Priority priority = BuilderUtils.newPriority(5);
Container container = BuilderUtils.newContainer(containerId, nodeId,
"host:3465", resource, priority, null);
RMApplicationHistoryWriter writer = mock(RMApplicationHistoryWriter.class);
RMContext rmContext = mock(RMContext.class);
when(rmContext.getDispatcher()).thenReturn(drainDispatcher);
when(rmContext.getContainerAllocationExpirer()).thenReturn(expirer);
when(rmContext.getRMApplicationHistoryWriter()).thenReturn(writer);
RMContainer rmContainer = new RMContainerImpl(container, appAttemptId,
nodeId, "user", rmContext);
assertEquals(RMContainerState.NEW, rmContainer.getState());
assertEquals(resource, rmContainer.getAllocatedResource());
assertEquals(nodeId, rmContainer.getAllocatedNode());
assertEquals(priority, rmContainer.getAllocatedPriority());
verify(writer).containerStarted(any(RMContainer.class));
rmContainer.handle(new RMContainerEvent(containerId,
RMContainerEventType.START));
drainDispatcher.await();
assertEquals(RMContainerState.ALLOCATED, rmContainer.getState());
rmContainer.handle(new RMContainerEvent(containerId,
RMContainerEventType.ACQUIRED));
drainDispatcher.await();
assertEquals(RMContainerState.ACQUIRED, rmContainer.getState());
rmContainer.handle(new RMContainerEvent(containerId,
RMContainerEventType.LAUNCHED));
drainDispatcher.await();
assertEquals(RMContainerState.RUNNING, rmContainer.getState());
assertEquals("//host:3465/node/containerlogs/container_1_0001_01_000001/user",
rmContainer.getLogURL());
// In RUNNING state. Verify EXPIRE and associated actions.
reset(appAttemptEventHandler);
ContainerStatus containerStatus = SchedulerUtils
.createAbnormalContainerStatus(containerId,
SchedulerUtils.EXPIRED_CONTAINER);
rmContainer.handle(new RMContainerFinishedEvent(containerId,
containerStatus, RMContainerEventType.EXPIRE));
drainDispatcher.await();
assertEquals(RMContainerState.RUNNING, rmContainer.getState());
verify(writer, never()).containerFinished(any(RMContainer.class));
}
@Test
public void testExistenceOfResourceRequestInRMContainer() throws Exception {
Configuration conf = new Configuration();
MockRM rm1 = new MockRM(conf);
rm1.start();
MockNM nm1 = rm1.registerNode("unknownhost:1234", 8000);
RMApp app1 = rm1.submitApp(1024);
MockAM am1 = MockRM.launchAndRegisterAM(app1, rm1, nm1);
ResourceScheduler scheduler = rm1.getResourceScheduler();
// request a container.
am1.allocate("127.0.0.1", 1024, 1, new ArrayList<ContainerId>());
ContainerId containerId2 = ContainerId.newInstance(
am1.getApplicationAttemptId(), 2);
rm1.waitForState(nm1, containerId2, RMContainerState.ALLOCATED);
// Verify whether list of ResourceRequest is present in RMContainer
// while moving to ALLOCATED state
Assert.assertNotNull(scheduler.getRMContainer(containerId2)
.getResourceRequests());
// Allocate container
am1.allocate(new ArrayList<ResourceRequest>(), new ArrayList<ContainerId>())
.getAllocatedContainers();
rm1.waitForState(nm1, containerId2, RMContainerState.ACQUIRED);
// After RMContainer moving to ACQUIRED state, list of ResourceRequest will
// be empty
Assert.assertNull(scheduler.getRMContainer(containerId2)
.getResourceRequests());
}
}